5 Changes between 0.9.8e and 0.9.8f [xx XXX xxxx]
7 *) Fix crypto/ec/ec_mult.c to work properly with scalars of value 0
8 (which previously caused an internal error).
11 *) Squeeze another 10% out of IGE mode when in != out.
14 *) AES IGE mode speedup.
15 [Dean Gaudet (Google)]
17 *) Add the Korean symmetric 128-bit cipher SEED (see
18 http://www.kisa.or.kr/kisa/seed/jsp/seed_eng.jsp) and
19 add SEED ciphersuites from RFC 4162:
21 TLS_RSA_WITH_SEED_CBC_SHA = "SEED-SHA"
22 TLS_DHE_DSS_WITH_SEED_CBC_SHA = "DHE-DSS-SEED-SHA"
23 TLS_DHE_RSA_WITH_SEED_CBC_SHA = "DHE-RSA-SEED-SHA"
24 TLS_DH_anon_WITH_SEED_CBC_SHA = "ADH-SEED-SHA"
26 To minimize changes between patchlevels in the OpenSSL 0.9.8
27 series, SEED remains excluded from compilation unless OpenSSL
28 is configured with 'enable-seed'.
31 *) Mitigate branch prediction attacks, which can be practical if a
32 single processor is shared, allowing a spy process to extract
33 information. For detailed background information, see
34 http://eprint.iacr.org/2007/039 (O. Aciicmez, S. Gueron,
35 J.-P. Seifert, "New Branch Prediction Vulnerabilities in OpenSSL
36 and Necessary Software Countermeasures"). The core of the change
37 are new versions BN_div_no_branch() and
38 BN_mod_inverse_no_branch() of BN_div() and BN_mod_inverse(),
39 respectively, which are slower, but avoid the security-relevant
40 conditional branches. These are automatically called by BN_div()
41 and BN_mod_inverse() if the flag BN_FLG_CONSTTIME is set for one
42 of the input BIGNUMs. Also, BN_is_bit_set() has been changed to
43 remove a conditional branch.
45 BN_FLG_CONSTTIME is the new name for the previous
46 BN_FLG_EXP_CONSTTIME flag, since it now affects more than just
47 modular exponentiation. (Since OpenSSL 0.9.7h, setting this flag
48 in the exponent causes BN_mod_exp_mont() to use the alternative
49 implementation in BN_mod_exp_mont_consttime().) The old name
50 remains as a deprecated alias.
52 Similary, RSA_FLAG_NO_EXP_CONSTTIME is replaced by a more general
53 RSA_FLAG_NO_CONSTTIME flag since the RSA implementation now uses
54 constant-time implementations for more than just exponentiation.
55 Here too the old name is kept as a deprecated alias.
57 BN_BLINDING_new() will now use BN_dup() for the modulus so that
58 the BN_BLINDING structure gets an independent copy of the
59 modulus. This means that the previous "BIGNUM *m" argument to
60 BN_BLINDING_new() and to BN_BLINDING_create_param() now
61 essentially becomes "const BIGNUM *m", although we can't actually
62 change this in the header file before 0.9.9. It allows
63 RSA_setup_blinding() to use BN_with_flags() on the modulus to
64 enable BN_FLG_CONSTTIME.
66 [Matthew D Wood (Intel Corp)]
68 *) In the SSL/TLS server implementation, be strict about session ID
69 context matching (which matters if an application uses a single
70 external cache for different purposes). Previously,
71 out-of-context reuse was forbidden only if SSL_VERIFY_PEER was
72 set. This did ensure strict client verification, but meant that,
73 with applications using a single external cache for quite
74 different requirements, clients could circumvent ciphersuite
75 restrictions for a given session ID context by starting a session
76 in a different context.
79 *) Include "!eNULL" in SSL_DEFAULT_CIPHER_LIST to make sure that
80 a ciphersuite string such as "DEFAULT:RSA" cannot enable
81 authentication-only ciphersuites.
84 Changes between 0.9.8d and 0.9.8e [23 Feb 2007]
86 *) Since AES128 and AES256 (and similarly Camellia128 and
87 Camellia256) share a single mask bit in the logic of
88 ssl/ssl_ciph.c, the code for masking out disabled ciphers needs a
89 kludge to work properly if AES128 is available and AES256 isn't
90 (or if Camellia128 is available and Camellia256 isn't).
93 *) Fix the BIT STRING encoding generated by crypto/ec/ec_asn1.c
94 (within i2d_ECPrivateKey, i2d_ECPKParameters, i2d_ECParameters):
95 When a point or a seed is encoded in a BIT STRING, we need to
96 prevent the removal of trailing zero bits to get the proper DER
97 encoding. (By default, crypto/asn1/a_bitstr.c assumes the case
98 of a NamedBitList, for which trailing 0 bits need to be removed.)
101 *) Have SSL/TLS server implementation tolerate "mismatched" record
102 protocol version while receiving ClientHello even if the
103 ClientHello is fragmented. (The server can't insist on the
104 particular protocol version it has chosen before the ServerHello
105 message has informed the client about his choice.)
108 *) Add RFC 3779 support.
109 [Rob Austein for ARIN, Ben Laurie]
111 *) Load error codes if they are not already present instead of using a
112 static variable. This allows them to be cleanly unloaded and reloaded.
113 Improve header file function name parsing.
116 *) extend SMTP and IMAP protocol emulation in s_client to use EHLO
117 or CAPABILITY handshake as required by RFCs.
120 Changes between 0.9.8c and 0.9.8d [28 Sep 2006]
122 *) Introduce limits to prevent malicious keys being able to
123 cause a denial of service. (CVE-2006-2940)
124 [Steve Henson, Bodo Moeller]
126 *) Fix ASN.1 parsing of certain invalid structures that can result
127 in a denial of service. (CVE-2006-2937) [Steve Henson]
129 *) Fix buffer overflow in SSL_get_shared_ciphers() function.
130 (CVE-2006-3738) [Tavis Ormandy and Will Drewry, Google Security Team]
132 *) Fix SSL client code which could crash if connecting to a
133 malicious SSLv2 server. (CVE-2006-4343)
134 [Tavis Ormandy and Will Drewry, Google Security Team]
136 *) Since 0.9.8b, ciphersuite strings naming explicit ciphersuites
137 match only those. Before that, "AES256-SHA" would be interpreted
138 as a pattern and match "AES128-SHA" too (since AES128-SHA got
139 the same strength classification in 0.9.7h) as we currently only
140 have a single AES bit in the ciphersuite description bitmap.
141 That change, however, also applied to ciphersuite strings such as
142 "RC4-MD5" that intentionally matched multiple ciphersuites --
143 namely, SSL 2.0 ciphersuites in addition to the more common ones
144 from SSL 3.0/TLS 1.0.
146 So we change the selection algorithm again: Naming an explicit
147 ciphersuite selects this one ciphersuite, and any other similar
148 ciphersuite (same bitmap) from *other* protocol versions.
149 Thus, "RC4-MD5" again will properly select both the SSL 2.0
150 ciphersuite and the SSL 3.0/TLS 1.0 ciphersuite.
152 Since SSL 2.0 does not have any ciphersuites for which the
153 128/256 bit distinction would be relevant, this works for now.
154 The proper fix will be to use different bits for AES128 and
155 AES256, which would have avoided the problems from the beginning;
156 however, bits are scarce, so we can only do this in a new release
157 (not just a patchlevel) when we can change the SSL_CIPHER
158 definition to split the single 'unsigned long mask' bitmap into
159 multiple values to extend the available space.
163 Changes between 0.9.8b and 0.9.8c [05 Sep 2006]
165 *) Avoid PKCS #1 v1.5 signature attack discovered by Daniel Bleichenbacher
166 (CVE-2006-4339) [Ben Laurie and Google Security Team]
168 *) Add AES IGE and biIGE modes.
171 *) Change the Unix randomness entropy gathering to use poll() when
172 possible instead of select(), since the latter has some
173 undesirable limitations.
174 [Darryl Miles via Richard Levitte and Bodo Moeller]
176 *) Disable "ECCdraft" ciphersuites more thoroughly. Now special
177 treatment in ssl/ssl_ciph.s makes sure that these ciphersuites
178 cannot be implicitly activated as part of, e.g., the "AES" alias.
179 However, please upgrade to OpenSSL 0.9.9[-dev] for
180 non-experimental use of the ECC ciphersuites to get TLS extension
181 support, which is required for curve and point format negotiation
182 to avoid potential handshake problems.
185 *) Disable rogue ciphersuites:
187 - SSLv2 0x08 0x00 0x80 ("RC4-64-MD5")
188 - SSLv3/TLSv1 0x00 0x61 ("EXP1024-RC2-CBC-MD5")
189 - SSLv3/TLSv1 0x00 0x60 ("EXP1024-RC4-MD5")
191 The latter two were purportedly from
192 draft-ietf-tls-56-bit-ciphersuites-0[01].txt, but do not really
195 Also deactivate the remaining ciphersuites from
196 draft-ietf-tls-56-bit-ciphersuites-01.txt. These are just as
197 unofficial, and the ID has long expired.
200 *) Fix RSA blinding Heisenbug (problems sometimes occured on
201 dual-core machines) and other potential thread-safety issues.
204 *) Add the symmetric cipher Camellia (128-bit, 192-bit, 256-bit key
205 versions), which is now available for royalty-free use
206 (see http://info.isl.ntt.co.jp/crypt/eng/info/chiteki.html).
207 Also, add Camellia TLS ciphersuites from RFC 4132.
209 To minimize changes between patchlevels in the OpenSSL 0.9.8
210 series, Camellia remains excluded from compilation unless OpenSSL
211 is configured with 'enable-camellia'.
214 *) Disable the padding bug check when compression is in use. The padding
215 bug check assumes the first packet is of even length, this is not
216 necessarily true if compresssion is enabled and can result in false
217 positives causing handshake failure. The actual bug test is ancient
218 code so it is hoped that implementations will either have fixed it by
219 now or any which still have the bug do not support compression.
222 Changes between 0.9.8a and 0.9.8b [04 May 2006]
224 *) When applying a cipher rule check to see if string match is an explicit
225 cipher suite and only match that one cipher suite if it is.
228 *) Link in manifests for VC++ if needed.
229 [Austin Ziegler <halostatue@gmail.com>]
231 *) Update support for ECC-based TLS ciphersuites according to
232 draft-ietf-tls-ecc-12.txt with proposed changes (but without
233 TLS extensions, which are supported starting with the 0.9.9
234 branch, not in the OpenSSL 0.9.8 branch).
237 *) New functions EVP_CIPHER_CTX_new() and EVP_CIPHER_CTX_free() to support
238 opaque EVP_CIPHER_CTX handling.
241 *) Fixes and enhancements to zlib compression code. We now only use
242 "zlib1.dll" and use the default __cdecl calling convention on Win32
243 to conform with the standards mentioned here:
244 http://www.zlib.net/DLL_FAQ.txt
245 Static zlib linking now works on Windows and the new --with-zlib-include
246 --with-zlib-lib options to Configure can be used to supply the location
247 of the headers and library. Gracefully handle case where zlib library
251 *) Several fixes and enhancements to the OID generation code. The old code
252 sometimes allowed invalid OIDs (1.X for X >= 40 for example), couldn't
253 handle numbers larger than ULONG_MAX, truncated printing and had a
254 non standard OBJ_obj2txt() behaviour.
257 *) Add support for building of engines under engine/ as shared libraries
258 under VC++ build system.
261 *) Corrected the numerous bugs in the Win32 path splitter in DSO.
262 Hopefully, we will not see any false combination of paths any more.
265 Changes between 0.9.8 and 0.9.8a [11 Oct 2005]
267 *) Remove the functionality of SSL_OP_MSIE_SSLV2_RSA_PADDING
268 (part of SSL_OP_ALL). This option used to disable the
269 countermeasure against man-in-the-middle protocol-version
270 rollback in the SSL 2.0 server implementation, which is a bad
271 idea. (CVE-2005-2969)
273 [Bodo Moeller; problem pointed out by Yutaka Oiwa (Research Center
274 for Information Security, National Institute of Advanced Industrial
275 Science and Technology [AIST], Japan)]
277 *) Add two function to clear and return the verify parameter flags.
280 *) Keep cipherlists sorted in the source instead of sorting them at
281 runtime, thus removing the need for a lock.
284 *) Avoid some small subgroup attacks in Diffie-Hellman.
285 [Nick Mathewson and Ben Laurie]
287 *) Add functions for well-known primes.
290 *) Extended Windows CE support.
291 [Satoshi Nakamura and Andy Polyakov]
293 *) Initialize SSL_METHOD structures at compile time instead of during
294 runtime, thus removing the need for a lock.
297 *) Make PKCS7_decrypt() work even if no certificate is supplied by
298 attempting to decrypt each encrypted key in turn. Add support to
302 Changes between 0.9.7h and 0.9.8 [05 Jul 2005]
304 [NB: OpenSSL 0.9.7i and later 0.9.7 patch levels were released after
307 *) Add libcrypto.pc and libssl.pc for those who feel they need them.
310 *) Change CA.sh and CA.pl so they don't bundle the CSR and the private
311 key into the same file any more.
314 *) Add initial support for Win64, both IA64 and AMD64/x64 flavors.
317 *) Add -utf8 command line and config file option to 'ca'.
318 [Stefan <stf@udoma.org]
320 *) Removed the macro des_crypt(), as it seems to conflict with some
321 libraries. Use DES_crypt().
324 *) Correct naming of the 'chil' and '4758cca' ENGINEs. This
325 involves renaming the source and generated shared-libs for
326 both. The engines will accept the corrected or legacy ids
327 ('ncipher' and '4758_cca' respectively) when binding. NB,
328 this only applies when building 'shared'.
329 [Corinna Vinschen <vinschen@redhat.com> and Geoff Thorpe]
331 *) Add attribute functions to EVP_PKEY structure. Modify
332 PKCS12_create() to recognize a CSP name attribute and
333 use it. Make -CSP option work again in pkcs12 utility.
336 *) Add new functionality to the bn blinding code:
337 - automatic re-creation of the BN_BLINDING parameters after
338 a fixed number of uses (currently 32)
339 - add new function for parameter creation
340 - introduce flags to control the update behaviour of the
341 BN_BLINDING parameters
342 - hide BN_BLINDING structure
343 Add a second BN_BLINDING slot to the RSA structure to improve
344 performance when a single RSA object is shared among several
348 *) Add support for DTLS.
349 [Nagendra Modadugu <nagendra@cs.stanford.edu> and Ben Laurie]
351 *) Add support for DER encoded private keys (SSL_FILETYPE_ASN1)
352 to SSL_CTX_use_PrivateKey_file() and SSL_use_PrivateKey_file()
355 *) Remove buggy and incompletet DH cert support from
356 ssl/ssl_rsa.c and ssl/s3_both.c
359 *) Use SHA-1 instead of MD5 as the default digest algorithm for
360 the apps/openssl applications.
363 *) Compile clean with "-Wall -Wmissing-prototypes
364 -Wstrict-prototypes -Wmissing-declarations -Werror". Currently
365 DEBUG_SAFESTACK must also be set.
368 *) Change ./Configure so that certain algorithms can be disabled by default.
369 The new counterpiece to "no-xxx" is "enable-xxx".
371 The patented RC5 and MDC2 algorithms will now be disabled unless
372 "enable-rc5" and "enable-mdc2", respectively, are specified.
374 (IDEA remains enabled despite being patented. This is because IDEA
375 is frequently required for interoperability, and there is no license
376 fee for non-commercial use. As before, "no-idea" can be used to
377 avoid this algorithm.)
381 *) Add processing of proxy certificates (see RFC 3820). This work was
382 sponsored by KTH (The Royal Institute of Technology in Stockholm) and
383 EGEE (Enabling Grids for E-science in Europe).
386 *) RC4 performance overhaul on modern architectures/implementations, such
387 as Intel P4, IA-64 and AMD64.
390 *) New utility extract-section.pl. This can be used specify an alternative
391 section number in a pod file instead of having to treat each file as
392 a separate case in Makefile. This can be done by adding two lines to the
395 =for comment openssl_section:XXX
397 The blank line is mandatory.
401 *) New arguments -certform, -keyform and -pass for s_client and s_server
402 to allow alternative format key and certificate files and passphrase
406 *) New structure X509_VERIFY_PARAM which combines current verify parameters,
407 update associated structures and add various utility functions.
409 Add new policy related verify parameters, include policy checking in
410 standard verify code. Enhance 'smime' application with extra parameters
411 to support policy checking and print out.
414 *) Add a new engine to support VIA PadLock ACE extensions in the VIA C3
415 Nehemiah processors. These extensions support AES encryption in hardware
416 as well as RNG (though RNG support is currently disabled).
417 [Michal Ludvig <michal@logix.cz>, with help from Andy Polyakov]
419 *) Deprecate BN_[get|set]_params() functions (they were ignored internally).
422 *) New FIPS 180-2 algorithms, SHA-224/-256/-384/-512 are implemented.
423 [Andy Polyakov and a number of other people]
425 *) Improved PowerPC platform support. Most notably BIGNUM assembler
426 implementation contributed by IBM.
427 [Suresh Chari, Peter Waltenberg, Andy Polyakov]
429 *) The new 'RSA_generate_key_ex' function now takes a BIGNUM for the public
430 exponent rather than 'unsigned long'. There is a corresponding change to
431 the new 'rsa_keygen' element of the RSA_METHOD structure.
432 [Jelte Jansen, Geoff Thorpe]
434 *) Functionality for creating the initial serial number file is now
435 moved from CA.pl to the 'ca' utility with a new option -create_serial.
437 (Before OpenSSL 0.9.7e, CA.pl used to initialize the serial
438 number file to 1, which is bound to cause problems. To avoid
439 the problems while respecting compatibility between different 0.9.7
440 patchlevels, 0.9.7e employed 'openssl x509 -next_serial' in
441 CA.pl for serial number initialization. With the new release 0.9.8,
442 we can fix the problem directly in the 'ca' utility.)
445 *) Reduced header interdepencies by declaring more opaque objects in
446 ossl_typ.h. As a consequence, including some headers (eg. engine.h) will
447 give fewer recursive includes, which could break lazy source code - so
448 this change is covered by the OPENSSL_NO_DEPRECATED symbol. As always,
449 developers should define this symbol when building and using openssl to
450 ensure they track the recommended behaviour, interfaces, [etc], but
451 backwards-compatible behaviour prevails when this isn't defined.
454 *) New function X509_POLICY_NODE_print() which prints out policy nodes.
457 *) Add new EVP function EVP_CIPHER_CTX_rand_key and associated functionality.
458 This will generate a random key of the appropriate length based on the
459 cipher context. The EVP_CIPHER can provide its own random key generation
460 routine to support keys of a specific form. This is used in the des and
461 3des routines to generate a key of the correct parity. Update S/MIME
462 code to use new functions and hence generate correct parity DES keys.
463 Add EVP_CHECK_DES_KEY #define to return an error if the key is not
464 valid (weak or incorrect parity).
467 *) Add a local set of CRLs that can be used by X509_verify_cert() as well
468 as looking them up. This is useful when the verified structure may contain
469 CRLs, for example PKCS#7 signedData. Modify PKCS7_verify() to use any CRLs
470 present unless the new PKCS7_NO_CRL flag is asserted.
473 *) Extend ASN1 oid configuration module. It now additionally accepts the
476 shortName = some long name, 1.2.3.4
479 *) Reimplemented the BN_CTX implementation. There is now no more static
480 limitation on the number of variables it can handle nor the depth of the
481 "stack" handling for BN_CTX_start()/BN_CTX_end() pairs. The stack
482 information can now expand as required, and rather than having a single
483 static array of bignums, BN_CTX now uses a linked-list of such arrays
484 allowing it to expand on demand whilst maintaining the usefulness of
488 *) Add a missing BN_CTX parameter to the 'rsa_mod_exp' callback in RSA_METHOD
489 to allow all RSA operations to function using a single BN_CTX.
492 *) Preliminary support for certificate policy evaluation and checking. This
493 is initially intended to pass the tests outlined in "Conformance Testing
494 of Relying Party Client Certificate Path Processing Logic" v1.07.
497 *) bn_dup_expand() has been deprecated, it was introduced in 0.9.7 and
498 remained unused and not that useful. A variety of other little bignum
499 tweaks and fixes have also been made continuing on from the audit (see
503 *) Constify all or almost all d2i, c2i, s2i and r2i functions, along with
504 associated ASN1, EVP and SSL functions and old ASN1 macros.
507 *) BN_zero() only needs to set 'top' and 'neg' to zero for correct results,
508 and this should never fail. So the return value from the use of
509 BN_set_word() (which can fail due to needless expansion) is now deprecated;
510 if OPENSSL_NO_DEPRECATED is defined, BN_zero() is a void macro.
513 *) BN_CTX_get() should return zero-valued bignums, providing the same
514 initialised value as BN_new().
515 [Geoff Thorpe, suggested by Ulf Möller]
517 *) Support for inhibitAnyPolicy certificate extension.
520 *) An audit of the BIGNUM code is underway, for which debugging code is
521 enabled when BN_DEBUG is defined. This makes stricter enforcements on what
522 is considered valid when processing BIGNUMs, and causes execution to
523 assert() when a problem is discovered. If BN_DEBUG_RAND is defined,
524 further steps are taken to deliberately pollute unused data in BIGNUM
525 structures to try and expose faulty code further on. For now, openssl will
526 (in its default mode of operation) continue to tolerate the inconsistent
527 forms that it has tolerated in the past, but authors and packagers should
528 consider trying openssl and their own applications when compiled with
529 these debugging symbols defined. It will help highlight potential bugs in
530 their own code, and will improve the test coverage for OpenSSL itself. At
531 some point, these tighter rules will become openssl's default to improve
532 maintainability, though the assert()s and other overheads will remain only
533 in debugging configurations. See bn.h for more details.
534 [Geoff Thorpe, Nils Larsch, Ulf Möller]
536 *) BN_CTX_init() has been deprecated, as BN_CTX is an opaque structure
537 that can only be obtained through BN_CTX_new() (which implicitly
538 initialises it). The presence of this function only made it possible
539 to overwrite an existing structure (and cause memory leaks).
542 *) Because of the callback-based approach for implementing LHASH as a
543 template type, lh_insert() adds opaque objects to hash-tables and
544 lh_doall() or lh_doall_arg() are typically used with a destructor callback
545 to clean up those corresponding objects before destroying the hash table
546 (and losing the object pointers). So some over-zealous constifications in
547 LHASH have been relaxed so that lh_insert() does not take (nor store) the
548 objects as "const" and the lh_doall[_arg] callback wrappers are not
549 prototyped to have "const" restrictions on the object pointers they are
550 given (and so aren't required to cast them away any more).
553 *) The tmdiff.h API was so ugly and minimal that our own timing utility
554 (speed) prefers to use its own implementation. The two implementations
555 haven't been consolidated as yet (volunteers?) but the tmdiff API has had
556 its object type properly exposed (MS_TM) instead of casting to/from "char
557 *". This may still change yet if someone realises MS_TM and "ms_time_***"
558 aren't necessarily the greatest nomenclatures - but this is what was used
559 internally to the implementation so I've used that for now.
562 *) Ensure that deprecated functions do not get compiled when
563 OPENSSL_NO_DEPRECATED is defined. Some "openssl" subcommands and a few of
564 the self-tests were still using deprecated key-generation functions so
565 these have been updated also.
568 *) Reorganise PKCS#7 code to separate the digest location functionality
569 into PKCS7_find_digest(), digest addtion into PKCS7_bio_add_digest().
570 New function PKCS7_set_digest() to set the digest type for PKCS#7
571 digestedData type. Add additional code to correctly generate the
572 digestedData type and add support for this type in PKCS7 initialization
576 *) New function PKCS7_set0_type_other() this initializes a PKCS7
577 structure of type "other".
580 *) Fix prime generation loop in crypto/bn/bn_prime.pl by making
581 sure the loop does correctly stop and breaking ("division by zero")
582 modulus operations are not performed. The (pre-generated) prime
583 table crypto/bn/bn_prime.h was already correct, but it could not be
584 re-generated on some platforms because of the "division by zero"
585 situation in the script.
586 [Ralf S. Engelschall]
588 *) Update support for ECC-based TLS ciphersuites according to
589 draft-ietf-tls-ecc-03.txt: the KDF1 key derivation function with
590 SHA-1 now is only used for "small" curves (where the
591 representation of a field element takes up to 24 bytes); for
592 larger curves, the field element resulting from ECDH is directly
593 used as premaster secret.
594 [Douglas Stebila (Sun Microsystems Laboratories)]
596 *) Add code for kP+lQ timings to crypto/ec/ectest.c, and add SEC2
597 curve secp160r1 to the tests.
598 [Douglas Stebila (Sun Microsystems Laboratories)]
600 *) Add the possibility to load symbols globally with DSO.
601 [Götz Babin-Ebell <babin-ebell@trustcenter.de> via Richard Levitte]
603 *) Add the functions ERR_set_mark() and ERR_pop_to_mark() for better
604 control of the error stack.
607 *) Add support for STORE in ENGINE.
610 *) Add the STORE type. The intention is to provide a common interface
611 to certificate and key stores, be they simple file-based stores, or
612 HSM-type store, or LDAP stores, or...
613 NOTE: The code is currently UNTESTED and isn't really used anywhere.
616 *) Add a generic structure called OPENSSL_ITEM. This can be used to
617 pass a list of arguments to any function as well as provide a way
618 for a function to pass data back to the caller.
621 *) Add the functions BUF_strndup() and BUF_memdup(). BUF_strndup()
622 works like BUF_strdup() but can be used to duplicate a portion of
623 a string. The copy gets NUL-terminated. BUF_memdup() duplicates
627 *) Add the function sk_find_ex() which works like sk_find(), but will
628 return an index to an element even if an exact match couldn't be
629 found. The index is guaranteed to point at the element where the
630 searched-for key would be inserted to preserve sorting order.
633 *) Add the function OBJ_bsearch_ex() which works like OBJ_bsearch() but
634 takes an extra flags argument for optional functionality. Currently,
635 the following flags are defined:
637 OBJ_BSEARCH_VALUE_ON_NOMATCH
638 This one gets OBJ_bsearch_ex() to return a pointer to the first
639 element where the comparing function returns a negative or zero
642 OBJ_BSEARCH_FIRST_VALUE_ON_MATCH
643 This one gets OBJ_bsearch_ex() to return a pointer to the first
644 element where the comparing function returns zero. This is useful
645 if there are more than one element where the comparing function
649 *) Make it possible to create self-signed certificates with 'openssl ca'
650 in such a way that the self-signed certificate becomes part of the
651 CA database and uses the same mechanisms for serial number generation
652 as all other certificate signing. The new flag '-selfsign' enables
653 this functionality. Adapt CA.sh and CA.pl.in.
656 *) Add functionality to check the public key of a certificate request
657 against a given private. This is useful to check that a certificate
658 request can be signed by that key (self-signing).
661 *) Make it possible to have multiple active certificates with the same
662 subject in the CA index file. This is done only if the keyword
663 'unique_subject' is set to 'no' in the main CA section (default
664 if 'CA_default') of the configuration file. The value is saved
665 with the database itself in a separate index attribute file,
666 named like the index file with '.attr' appended to the name.
669 *) Generate muti valued AVAs using '+' notation in config files for
673 *) Support for nameConstraints certificate extension.
676 *) Support for policyConstraints certificate extension.
679 *) Support for policyMappings certificate extension.
682 *) Make sure the default DSA_METHOD implementation only uses its
683 dsa_mod_exp() and/or bn_mod_exp() handlers if they are non-NULL,
684 and change its own handlers to be NULL so as to remove unnecessary
685 indirection. This lets alternative implementations fallback to the
686 default implementation more easily.
689 *) Support for directoryName in GeneralName related extensions
693 *) Make it possible to link applications using Makefile.shared.
694 Make that possible even when linking against static libraries!
697 *) Support for single pass processing for S/MIME signing. This now
698 means that S/MIME signing can be done from a pipe, in addition
699 cleartext signing (multipart/signed type) is effectively streaming
700 and the signed data does not need to be all held in memory.
702 This is done with a new flag PKCS7_STREAM. When this flag is set
703 PKCS7_sign() only initializes the PKCS7 structure and the actual signing
704 is done after the data is output (and digests calculated) in
708 *) Add full support for -rpath/-R, both in shared libraries and
709 applications, at least on the platforms where it's known how
713 *) In crypto/ec/ec_mult.c, implement fast point multiplication with
714 precomputation, based on wNAF splitting: EC_GROUP_precompute_mult()
715 will now compute a table of multiples of the generator that
716 makes subsequent invocations of EC_POINTs_mul() or EC_POINT_mul()
717 faster (notably in the case of a single point multiplication,
719 [Nils Larsch, Bodo Moeller]
721 *) IPv6 support for certificate extensions. The various extensions
722 which use the IP:a.b.c.d can now take IPv6 addresses using the
723 formats of RFC1884 2.2 . IPv6 addresses are now also displayed
727 *) Added an ENGINE that implements RSA by performing private key
728 exponentiations with the GMP library. The conversions to and from
729 GMP's mpz_t format aren't optimised nor are any montgomery forms
730 cached, and on x86 it appears OpenSSL's own performance has caught up.
731 However there are likely to be other architectures where GMP could
732 provide a boost. This ENGINE is not built in by default, but it can be
733 specified at Configure time and should be accompanied by the necessary
734 linker additions, eg;
735 ./config -DOPENSSL_USE_GMP -lgmp
738 *) "openssl engine" will not display ENGINE/DSO load failure errors when
739 testing availability of engines with "-t" - the old behaviour is
740 produced by increasing the feature's verbosity with "-tt".
743 *) ECDSA routines: under certain error conditions uninitialized BN objects
744 could be freed. Solution: make sure initialization is performed early
745 enough. (Reported and fix supplied by Nils Larsch <nla@trustcenter.de>
749 *) Key-generation can now be implemented in RSA_METHOD, DSA_METHOD
750 and DH_METHOD (eg. by ENGINE implementations) to override the normal
751 software implementations. For DSA and DH, parameter generation can
752 also be overriden by providing the appropriate method callbacks.
755 *) Change the "progress" mechanism used in key-generation and
756 primality testing to functions that take a new BN_GENCB pointer in
757 place of callback/argument pairs. The new API functions have "_ex"
758 postfixes and the older functions are reimplemented as wrappers for
759 the new ones. The OPENSSL_NO_DEPRECATED symbol can be used to hide
760 declarations of the old functions to help (graceful) attempts to
761 migrate to the new functions. Also, the new key-generation API
762 functions operate on a caller-supplied key-structure and return
763 success/failure rather than returning a key or NULL - this is to
764 help make "keygen" another member function of RSA_METHOD etc.
766 Example for using the new callback interface:
768 int (*my_callback)(int a, int b, BN_GENCB *cb) = ...;
772 BN_GENCB_set(&my_cb, my_callback, my_arg);
774 return BN_is_prime_ex(some_bignum, BN_prime_checks, NULL, &cb);
775 /* For the meaning of a, b in calls to my_callback(), see the
776 * documentation of the function that calls the callback.
777 * cb will point to my_cb; my_arg can be retrieved as cb->arg.
778 * my_callback should return 1 if it wants BN_is_prime_ex()
779 * to continue, or 0 to stop.
784 *) Change the ZLIB compression method to be stateful, and make it
785 available to TLS with the number defined in
786 draft-ietf-tls-compression-04.txt.
789 *) Add the ASN.1 structures and functions for CertificatePair, which
790 is defined as follows (according to X.509_4thEditionDraftV6.pdf):
792 CertificatePair ::= SEQUENCE {
793 forward [0] Certificate OPTIONAL,
794 reverse [1] Certificate OPTIONAL,
795 -- at least one of the pair shall be present -- }
797 Also implement the PEM functions to read and write certificate
798 pairs, and defined the PEM tag as "CERTIFICATE PAIR".
800 This needed to be defined, mostly for the sake of the LDAP
801 attribute crossCertificatePair, but may prove useful elsewhere as
805 *) Make it possible to inhibit symlinking of shared libraries in
806 Makefile.shared, for Cygwin's sake.
809 *) Extend the BIGNUM API by creating a function
810 void BN_set_negative(BIGNUM *a, int neg);
811 and a macro that behave like
812 int BN_is_negative(const BIGNUM *a);
814 to avoid the need to access 'a->neg' directly in applications.
817 *) Implement fast modular reduction for pseudo-Mersenne primes
818 used in NIST curves (crypto/bn/bn_nist.c, crypto/ec/ecp_nist.c).
819 EC_GROUP_new_curve_GFp() will now automatically use this
821 [Nils Larsch <nla@trustcenter.de>]
823 *) Add new lock type (CRYPTO_LOCK_BN).
826 *) Change the ENGINE framework to automatically load engines
827 dynamically from specific directories unless they could be
828 found to already be built in or loaded. Move all the
829 current engines except for the cryptodev one to a new
831 The engines in engines/ are built as shared libraries if
832 the "shared" options was given to ./Configure or ./config.
833 Otherwise, they are inserted in libcrypto.a.
834 /usr/local/ssl/engines is the default directory for dynamic
835 engines, but that can be overriden at configure time through
836 the usual use of --prefix and/or --openssldir, and at run
837 time with the environment variable OPENSSL_ENGINES.
838 [Geoff Thorpe and Richard Levitte]
840 *) Add Makefile.shared, a helper makefile to build shared
841 libraries. Addapt Makefile.org.
844 *) Add version info to Win32 DLLs.
845 [Peter 'Luna' Runestig" <peter@runestig.com>]
847 *) Add new 'medium level' PKCS#12 API. Certificates and keys
848 can be added using this API to created arbitrary PKCS#12
849 files while avoiding the low level API.
851 New options to PKCS12_create(), key or cert can be NULL and
852 will then be omitted from the output file. The encryption
853 algorithm NIDs can be set to -1 for no encryption, the mac
854 iteration count can be set to 0 to omit the mac.
856 Enhance pkcs12 utility by making the -nokeys and -nocerts
857 options work when creating a PKCS#12 file. New option -nomac
858 to omit the mac, NONE can be set for an encryption algorithm.
859 New code is modified to use the enhanced PKCS12_create()
860 instead of the low level API.
863 *) Extend ASN1 encoder to support indefinite length constructed
864 encoding. This can output sequences tags and octet strings in
865 this form. Modify pk7_asn1.c to support indefinite length
866 encoding. This is experimental and needs additional code to
867 be useful, such as an ASN1 bio and some enhanced streaming
870 Extend template encode functionality so that tagging is passed
871 down to the template encoder.
874 *) Let 'openssl req' fail if an argument to '-newkey' is not
875 recognized instead of using RSA as a default.
878 *) Add support for ECC-based ciphersuites from draft-ietf-tls-ecc-01.txt.
879 As these are not official, they are not included in "ALL";
880 the "ECCdraft" ciphersuite group alias can be used to select them.
881 [Vipul Gupta and Sumit Gupta (Sun Microsystems Laboratories)]
883 *) Add ECDH engine support.
884 [Nils Gura and Douglas Stebila (Sun Microsystems Laboratories)]
886 *) Add ECDH in new directory crypto/ecdh/.
887 [Douglas Stebila (Sun Microsystems Laboratories)]
889 *) Let BN_rand_range() abort with an error after 100 iterations
890 without success (which indicates a broken PRNG).
893 *) Change BN_mod_sqrt() so that it verifies that the input value
894 is really the square of the return value. (Previously,
895 BN_mod_sqrt would show GIGO behaviour.)
898 *) Add named elliptic curves over binary fields from X9.62, SECG,
899 and WAP/WTLS; add OIDs that were still missing.
901 [Sheueling Chang Shantz and Douglas Stebila
902 (Sun Microsystems Laboratories)]
904 *) Extend the EC library for elliptic curves over binary fields
905 (new files ec2_smpl.c, ec2_smpt.c, ec2_mult.c in crypto/ec/).
908 EC_GF2m_simple_method
912 EC_GROUP_new_curve_GF2m
913 EC_GROUP_set_curve_GF2m
914 EC_GROUP_get_curve_GF2m
915 EC_POINT_set_affine_coordinates_GF2m
916 EC_POINT_get_affine_coordinates_GF2m
917 EC_POINT_set_compressed_coordinates_GF2m
919 Point compression for binary fields is disabled by default for
920 patent reasons (compile with OPENSSL_EC_BIN_PT_COMP defined to
923 As binary polynomials are represented as BIGNUMs, various members
924 of the EC_GROUP and EC_POINT data structures can be shared
925 between the implementations for prime fields and binary fields;
926 the above ..._GF2m functions (except for EX_GROUP_new_curve_GF2m)
927 are essentially identical to their ..._GFp counterparts.
928 (For simplicity, the '..._GFp' prefix has been dropped from
929 various internal method names.)
931 An internal 'field_div' method (similar to 'field_mul' and
932 'field_sqr') has been added; this is used only for binary fields.
934 [Sheueling Chang Shantz and Douglas Stebila
935 (Sun Microsystems Laboratories)]
937 *) Optionally dispatch EC_POINT_mul(), EC_POINT_precompute_mult()
938 through methods ('mul', 'precompute_mult').
940 The generic implementations (now internally called 'ec_wNAF_mul'
941 and 'ec_wNAF_precomputed_mult') remain the default if these
942 methods are undefined.
944 [Sheueling Chang Shantz and Douglas Stebila
945 (Sun Microsystems Laboratories)]
947 *) New function EC_GROUP_get_degree, which is defined through
948 EC_METHOD. For curves over prime fields, this returns the bit
949 length of the modulus.
951 [Sheueling Chang Shantz and Douglas Stebila
952 (Sun Microsystems Laboratories)]
954 *) New functions EC_GROUP_dup, EC_POINT_dup.
955 (These simply call ..._new and ..._copy).
957 [Sheueling Chang Shantz and Douglas Stebila
958 (Sun Microsystems Laboratories)]
960 *) Add binary polynomial arithmetic software in crypto/bn/bn_gf2m.c.
961 Polynomials are represented as BIGNUMs (where the sign bit is not
962 used) in the following functions [macros]:
965 BN_GF2m_sub [= BN_GF2m_add]
966 BN_GF2m_mod [wrapper for BN_GF2m_mod_arr]
967 BN_GF2m_mod_mul [wrapper for BN_GF2m_mod_mul_arr]
968 BN_GF2m_mod_sqr [wrapper for BN_GF2m_mod_sqr_arr]
970 BN_GF2m_mod_exp [wrapper for BN_GF2m_mod_exp_arr]
971 BN_GF2m_mod_sqrt [wrapper for BN_GF2m_mod_sqrt_arr]
972 BN_GF2m_mod_solve_quad [wrapper for BN_GF2m_mod_solve_quad_arr]
973 BN_GF2m_cmp [= BN_ucmp]
975 (Note that only the 'mod' functions are actually for fields GF(2^m).
976 BN_GF2m_add() is misnomer, but this is for the sake of consistency.)
978 For some functions, an the irreducible polynomial defining a
979 field can be given as an 'unsigned int[]' with strictly
980 decreasing elements giving the indices of those bits that are set;
981 i.e., p[] represents the polynomial
982 f(t) = t^p[0] + t^p[1] + ... + t^p[k]
984 p[0] > p[1] > ... > p[k] = 0.
985 This applies to the following functions:
990 BN_GF2m_mod_inv_arr [wrapper for BN_GF2m_mod_inv]
991 BN_GF2m_mod_div_arr [wrapper for BN_GF2m_mod_div]
994 BN_GF2m_mod_solve_quad_arr
998 Conversion can be performed by the following functions:
1003 bntest.c has additional tests for binary polynomial arithmetic.
1005 Two implementations for BN_GF2m_mod_div() are available.
1006 The default algorithm simply uses BN_GF2m_mod_inv() and
1007 BN_GF2m_mod_mul(). The alternative algorithm is compiled in only
1008 if OPENSSL_SUN_GF2M_DIV is defined (patent pending; read the
1009 copyright notice in crypto/bn/bn_gf2m.c before enabling it).
1011 [Sheueling Chang Shantz and Douglas Stebila
1012 (Sun Microsystems Laboratories)]
1014 *) Add new error code 'ERR_R_DISABLED' that can be used when some
1015 functionality is disabled at compile-time.
1016 [Douglas Stebila <douglas.stebila@sun.com>]
1018 *) Change default behaviour of 'openssl asn1parse' so that more
1019 information is visible when viewing, e.g., a certificate:
1021 Modify asn1_parse2 (crypto/asn1/asn1_par.c) so that in non-'dump'
1022 mode the content of non-printable OCTET STRINGs is output in a
1023 style similar to INTEGERs, but with '[HEX DUMP]' prepended to
1024 avoid the appearance of a printable string.
1025 [Nils Larsch <nla@trustcenter.de>]
1027 *) Add 'asn1_flag' and 'asn1_form' member to EC_GROUP with access
1029 EC_GROUP_set_asn1_flag()
1030 EC_GROUP_get_asn1_flag()
1031 EC_GROUP_set_point_conversion_form()
1032 EC_GROUP_get_point_conversion_form()
1033 These control ASN1 encoding details:
1034 - Curves (i.e., groups) are encoded explicitly unless asn1_flag
1035 has been set to OPENSSL_EC_NAMED_CURVE.
1036 - Points are encoded in uncompressed form by default; options for
1037 asn1_for are as for point2oct, namely
1038 POINT_CONVERSION_COMPRESSED
1039 POINT_CONVERSION_UNCOMPRESSED
1040 POINT_CONVERSION_HYBRID
1042 Also add 'seed' and 'seed_len' members to EC_GROUP with access
1045 EC_GROUP_get0_seed()
1046 EC_GROUP_get_seed_len()
1047 This is used only for ASN1 purposes (so far).
1048 [Nils Larsch <nla@trustcenter.de>]
1050 *) Add 'field_type' member to EC_METHOD, which holds the NID
1051 of the appropriate field type OID. The new function
1052 EC_METHOD_get_field_type() returns this value.
1053 [Nils Larsch <nla@trustcenter.de>]
1058 EC_POINT_point2hex()
1059 EC_POINT_hex2point()
1060 providing useful interfaces to EC_POINT_point2oct() and
1061 EC_POINT_oct2point().
1062 [Nils Larsch <nla@trustcenter.de>]
1064 *) Change internals of the EC library so that the functions
1065 EC_GROUP_set_generator()
1066 EC_GROUP_get_generator()
1067 EC_GROUP_get_order()
1068 EC_GROUP_get_cofactor()
1069 are implemented directly in crypto/ec/ec_lib.c and not dispatched
1070 to methods, which would lead to unnecessary code duplication when
1071 adding different types of curves.
1072 [Nils Larsch <nla@trustcenter.de> with input by Bodo Moeller]
1074 *) Implement compute_wNAF (crypto/ec/ec_mult.c) without BIGNUM
1075 arithmetic, and such that modified wNAFs are generated
1076 (which avoid length expansion in many cases).
1079 *) Add a function EC_GROUP_check_discriminant() (defined via
1080 EC_METHOD) that verifies that the curve discriminant is non-zero.
1082 Add a function EC_GROUP_check() that makes some sanity tests
1083 on a EC_GROUP, its generator and order. This includes
1084 EC_GROUP_check_discriminant().
1085 [Nils Larsch <nla@trustcenter.de>]
1087 *) Add ECDSA in new directory crypto/ecdsa/.
1089 Add applications 'openssl ecparam' and 'openssl ecdsa'
1090 (these are based on 'openssl dsaparam' and 'openssl dsa').
1092 ECDSA support is also included in various other files across the
1093 library. Most notably,
1094 - 'openssl req' now has a '-newkey ecdsa:file' option;
1095 - EVP_PKCS82PKEY (crypto/evp/evp_pkey.c) now can handle ECDSA;
1096 - X509_PUBKEY_get (crypto/asn1/x_pubkey.c) and
1097 d2i_PublicKey (crypto/asn1/d2i_pu.c) have been modified to make
1098 them suitable for ECDSA where domain parameters must be
1099 extracted before the specific public key;
1100 - ECDSA engine support has been added.
1101 [Nils Larsch <nla@trustcenter.de>]
1103 *) Include some named elliptic curves, and add OIDs from X9.62,
1104 SECG, and WAP/WTLS. Each curve can be obtained from the new
1106 EC_GROUP_new_by_curve_name(),
1107 and the list of available named curves can be obtained with
1108 EC_get_builtin_curves().
1109 Also add a 'curve_name' member to EC_GROUP objects, which can be
1111 EC_GROUP_set_curve_name()
1112 EC_GROUP_get_curve_name()
1113 [Nils Larsch <larsch@trustcenter.de, Bodo Moeller]
1115 *) Remove a few calls to bn_wexpand() in BN_sqr() (the one in there
1116 was actually never needed) and in BN_mul(). The removal in BN_mul()
1117 required a small change in bn_mul_part_recursive() and the addition
1118 of the functions bn_cmp_part_words(), bn_sub_part_words() and
1119 bn_add_part_words(), which do the same thing as bn_cmp_words(),
1120 bn_sub_words() and bn_add_words() except they take arrays with
1124 Changes between 0.9.7m and 0.9.7n [xx XXX xxxx]
1126 *) In the SSL/TLS server implementation, be strict about session ID
1127 context matching (which matters if an application uses a single
1128 external cache for different purposes). Previously,
1129 out-of-context reuse was forbidden only if SSL_VERIFY_PEER was
1130 set. This did ensure strict client verification, but meant that,
1131 with applications using a single external cache for quite
1132 different requirements, clients could circumvent ciphersuite
1133 restrictions for a given session ID context by starting a session
1134 in a different context.
1137 Changes between 0.9.7l and 0.9.7m [23 Feb 2007]
1139 *) Cleanse PEM buffers before freeing them since they may contain
1141 [Benjamin Bennett <ben@psc.edu>]
1143 *) Include "!eNULL" in SSL_DEFAULT_CIPHER_LIST to make sure that
1144 a ciphersuite string such as "DEFAULT:RSA" cannot enable
1145 authentication-only ciphersuites.
1148 *) Since AES128 and AES256 share a single mask bit in the logic of
1149 ssl/ssl_ciph.c, the code for masking out disabled ciphers needs a
1150 kludge to work properly if AES128 is available and AES256 isn't.
1153 *) Expand security boundary to match 1.1.1 module.
1156 *) Remove redundant features: hash file source, editing of test vectors
1157 modify fipsld to use external fips_premain.c signature.
1160 *) New perl script mkfipsscr.pl to create shell scripts or batch files to
1161 run algorithm test programs.
1164 *) Make algorithm test programs more tolerant of whitespace.
1167 *) Have SSL/TLS server implementation tolerate "mismatched" record
1168 protocol version while receiving ClientHello even if the
1169 ClientHello is fragmented. (The server can't insist on the
1170 particular protocol version it has chosen before the ServerHello
1171 message has informed the client about his choice.)
1174 *) Load error codes if they are not already present instead of using a
1175 static variable. This allows them to be cleanly unloaded and reloaded.
1178 Changes between 0.9.7k and 0.9.7l [28 Sep 2006]
1180 *) Introduce limits to prevent malicious keys being able to
1181 cause a denial of service. (CVE-2006-2940)
1182 [Steve Henson, Bodo Moeller]
1184 *) Fix ASN.1 parsing of certain invalid structures that can result
1185 in a denial of service. (CVE-2006-2937) [Steve Henson]
1187 *) Fix buffer overflow in SSL_get_shared_ciphers() function.
1188 (CVE-2006-3738) [Tavis Ormandy and Will Drewry, Google Security Team]
1190 *) Fix SSL client code which could crash if connecting to a
1191 malicious SSLv2 server. (CVE-2006-4343)
1192 [Tavis Ormandy and Will Drewry, Google Security Team]
1194 *) Change ciphersuite string processing so that an explicit
1195 ciphersuite selects this one ciphersuite (so that "AES256-SHA"
1196 will no longer include "AES128-SHA"), and any other similar
1197 ciphersuite (same bitmap) from *other* protocol versions (so that
1198 "RC4-MD5" will still include both the SSL 2.0 ciphersuite and the
1199 SSL 3.0/TLS 1.0 ciphersuite). This is a backport combining
1200 changes from 0.9.8b and 0.9.8d.
1203 Changes between 0.9.7j and 0.9.7k [05 Sep 2006]
1205 *) Avoid PKCS #1 v1.5 signature attack discovered by Daniel Bleichenbacher
1206 (CVE-2006-4339) [Ben Laurie and Google Security Team]
1208 *) Change the Unix randomness entropy gathering to use poll() when
1209 possible instead of select(), since the latter has some
1210 undesirable limitations.
1211 [Darryl Miles via Richard Levitte and Bodo Moeller]
1213 *) Disable rogue ciphersuites:
1215 - SSLv2 0x08 0x00 0x80 ("RC4-64-MD5")
1216 - SSLv3/TLSv1 0x00 0x61 ("EXP1024-RC2-CBC-MD5")
1217 - SSLv3/TLSv1 0x00 0x60 ("EXP1024-RC4-MD5")
1219 The latter two were purportedly from
1220 draft-ietf-tls-56-bit-ciphersuites-0[01].txt, but do not really
1223 Also deactive the remaining ciphersuites from
1224 draft-ietf-tls-56-bit-ciphersuites-01.txt. These are just as
1225 unofficial, and the ID has long expired.
1228 *) Fix RSA blinding Heisenbug (problems sometimes occured on
1229 dual-core machines) and other potential thread-safety issues.
1232 Changes between 0.9.7i and 0.9.7j [04 May 2006]
1234 *) Adapt fipsld and the build system to link against the validated FIPS
1235 module in FIPS mode.
1238 *) Fixes for VC++ 2005 build under Windows.
1241 *) Add new Windows build target VC-32-GMAKE for VC++. This uses GNU make
1242 from a Windows bash shell such as MSYS. It is autodetected from the
1243 "config" script when run from a VC++ environment. Modify standard VC++
1244 build to use fipscanister.o from the GNU make build.
1247 Changes between 0.9.7h and 0.9.7i [14 Oct 2005]
1249 *) Wrapped the definition of EVP_MAX_MD_SIZE in a #ifdef OPENSSL_FIPS.
1250 The value now differs depending on if you build for FIPS or not.
1251 BEWARE! A program linked with a shared FIPSed libcrypto can't be
1252 safely run with a non-FIPSed libcrypto, as it may crash because of
1253 the difference induced by this change.
1256 Changes between 0.9.7g and 0.9.7h [11 Oct 2005]
1258 *) Remove the functionality of SSL_OP_MSIE_SSLV2_RSA_PADDING
1259 (part of SSL_OP_ALL). This option used to disable the
1260 countermeasure against man-in-the-middle protocol-version
1261 rollback in the SSL 2.0 server implementation, which is a bad
1262 idea. (CVE-2005-2969)
1264 [Bodo Moeller; problem pointed out by Yutaka Oiwa (Research Center
1265 for Information Security, National Institute of Advanced Industrial
1266 Science and Technology [AIST], Japan)]
1268 *) Minimal support for X9.31 signatures and PSS padding modes. This is
1269 mainly for FIPS compliance and not fully integrated at this stage.
1272 *) For DSA signing, unless DSA_FLAG_NO_EXP_CONSTTIME is set, perform
1273 the exponentiation using a fixed-length exponent. (Otherwise,
1274 the information leaked through timing could expose the secret key
1275 after many signatures; cf. Bleichenbacher's attack on DSA with
1279 *) Make a new fixed-window mod_exp implementation the default for
1280 RSA, DSA, and DH private-key operations so that the sequence of
1281 squares and multiplies and the memory access pattern are
1282 independent of the particular secret key. This will mitigate
1283 cache-timing and potential related attacks.
1285 BN_mod_exp_mont_consttime() is the new exponentiation implementation,
1286 and this is automatically used by BN_mod_exp_mont() if the new flag
1287 BN_FLG_EXP_CONSTTIME is set for the exponent. RSA, DSA, and DH
1288 will use this BN flag for private exponents unless the flag
1289 RSA_FLAG_NO_EXP_CONSTTIME, DSA_FLAG_NO_EXP_CONSTTIME, or
1290 DH_FLAG_NO_EXP_CONSTTIME, respectively, is set.
1292 [Matthew D Wood (Intel Corp), with some changes by Bodo Moeller]
1294 *) Change the client implementation for SSLv23_method() and
1295 SSLv23_client_method() so that is uses the SSL 3.0/TLS 1.0
1296 Client Hello message format if the SSL_OP_NO_SSLv2 option is set.
1297 (Previously, the SSL 2.0 backwards compatible Client Hello
1298 message format would be used even with SSL_OP_NO_SSLv2.)
1301 *) Add support for smime-type MIME parameter in S/MIME messages which some
1305 *) New function BN_MONT_CTX_set_locked() to set montgomery parameters in
1306 a threadsafe manner. Modify rsa code to use new function and add calls
1307 to dsa and dh code (which had race conditions before).
1310 *) Include the fixed error library code in the C error file definitions
1311 instead of fixing them up at runtime. This keeps the error code
1312 structures constant.
1315 Changes between 0.9.7f and 0.9.7g [11 Apr 2005]
1317 [NB: OpenSSL 0.9.7h and later 0.9.7 patch levels were released after
1320 *) Fixes for newer kerberos headers. NB: the casts are needed because
1321 the 'length' field is signed on one version and unsigned on another
1322 with no (?) obvious way to tell the difference, without these VC++
1323 complains. Also the "definition" of FAR (blank) is no longer included
1324 nor is the error ENOMEM. KRB5_PRIVATE has to be set to 1 to pick up
1325 some needed definitions.
1328 *) Undo Cygwin change.
1331 *) Added support for proxy certificates according to RFC 3820.
1332 Because they may be a security thread to unaware applications,
1333 they must be explicitely allowed in run-time. See
1334 docs/HOWTO/proxy_certificates.txt for further information.
1337 Changes between 0.9.7e and 0.9.7f [22 Mar 2005]
1339 *) Use (SSL_RANDOM_VALUE - 4) bytes of pseudo random data when generating
1340 server and client random values. Previously
1341 (SSL_RANDOM_VALUE - sizeof(time_t)) would be used which would result in
1342 less random data when sizeof(time_t) > 4 (some 64 bit platforms).
1344 This change has negligible security impact because:
1346 1. Server and client random values still have 24 bytes of pseudo random
1349 2. Server and client random values are sent in the clear in the initial
1352 3. The master secret is derived using the premaster secret (48 bytes in
1353 size for static RSA ciphersuites) as well as client server and random
1356 The OpenSSL team would like to thank the UK NISCC for bringing this issue
1359 [Stephen Henson, reported by UK NISCC]
1361 *) Use Windows randomness collection on Cygwin.
1364 *) Fix hang in EGD/PRNGD query when communication socket is closed
1365 prematurely by EGD/PRNGD.
1366 [Darren Tucker <dtucker@zip.com.au> via Lutz Jänicke, resolves #1014]
1368 *) Prompt for pass phrases when appropriate for PKCS12 input format.
1371 *) Back-port of selected performance improvements from development
1372 branch, as well as improved support for PowerPC platforms.
1375 *) Add lots of checks for memory allocation failure, error codes to indicate
1376 failure and freeing up memory if a failure occurs.
1377 [Nauticus Networks SSL Team <openssl@nauticusnet.com>, Steve Henson]
1379 *) Add new -passin argument to dgst.
1382 *) Perform some character comparisons of different types in X509_NAME_cmp:
1383 this is needed for some certificates that reencode DNs into UTF8Strings
1384 (in violation of RFC3280) and can't or wont issue name rollover
1388 *) Make an explicit check during certificate validation to see that
1389 the CA setting in each certificate on the chain is correct. As a
1390 side effect always do the following basic checks on extensions,
1391 not just when there's an associated purpose to the check:
1393 - if there is an unhandled critical extension (unless the user
1394 has chosen to ignore this fault)
1395 - if the path length has been exceeded (if one is set at all)
1396 - that certain extensions fit the associated purpose (if one has
1400 Changes between 0.9.7d and 0.9.7e [25 Oct 2004]
1402 *) Avoid a race condition when CRLs are checked in a multi threaded
1403 environment. This would happen due to the reordering of the revoked
1404 entries during signature checking and serial number lookup. Now the
1405 encoding is cached and the serial number sort performed under a lock.
1406 Add new STACK function sk_is_sorted().
1409 *) Add Delta CRL to the extension code.
1412 *) Various fixes to s3_pkt.c so alerts are sent properly.
1413 [David Holmes <d.holmes@f5.com>]
1415 *) Reduce the chances of duplicate issuer name and serial numbers (in
1416 violation of RFC3280) using the OpenSSL certificate creation utilities.
1417 This is done by creating a random 64 bit value for the initial serial
1418 number when a serial number file is created or when a self signed
1419 certificate is created using 'openssl req -x509'. The initial serial
1420 number file is created using 'openssl x509 -next_serial' in CA.pl
1421 rather than being initialized to 1.
1424 Changes between 0.9.7c and 0.9.7d [17 Mar 2004]
1426 *) Fix null-pointer assignment in do_change_cipher_spec() revealed
1427 by using the Codenomicon TLS Test Tool (CVE-2004-0079)
1428 [Joe Orton, Steve Henson]
1430 *) Fix flaw in SSL/TLS handshaking when using Kerberos ciphersuites
1432 [Joe Orton, Steve Henson]
1434 *) Make it possible to have multiple active certificates with the same
1435 subject in the CA index file. This is done only if the keyword
1436 'unique_subject' is set to 'no' in the main CA section (default
1437 if 'CA_default') of the configuration file. The value is saved
1438 with the database itself in a separate index attribute file,
1439 named like the index file with '.attr' appended to the name.
1442 *) X509 verify fixes. Disable broken certificate workarounds when
1443 X509_V_FLAGS_X509_STRICT is set. Check CRL issuer has cRLSign set if
1444 keyUsage extension present. Don't accept CRLs with unhandled critical
1445 extensions: since verify currently doesn't process CRL extensions this
1446 rejects a CRL with *any* critical extensions. Add new verify error codes
1450 *) When creating an OCSP nonce use an OCTET STRING inside the extnValue.
1451 A clarification of RFC2560 will require the use of OCTET STRINGs and
1452 some implementations cannot handle the current raw format. Since OpenSSL
1453 copies and compares OCSP nonces as opaque blobs without any attempt at
1454 parsing them this should not create any compatibility issues.
1457 *) New md flag EVP_MD_CTX_FLAG_REUSE this allows md_data to be reused when
1458 calling EVP_MD_CTX_copy_ex() to avoid calling OPENSSL_malloc(). Without
1459 this HMAC (and other) operations are several times slower than OpenSSL
1463 *) Print out GeneralizedTime and UTCTime in ASN1_STRING_print_ex().
1464 [Peter Sylvester <Peter.Sylvester@EdelWeb.fr>]
1466 *) Use the correct content when signing type "other".
1469 Changes between 0.9.7b and 0.9.7c [30 Sep 2003]
1471 *) Fix various bugs revealed by running the NISCC test suite:
1473 Stop out of bounds reads in the ASN1 code when presented with
1474 invalid tags (CVE-2003-0543 and CVE-2003-0544).
1476 Free up ASN1_TYPE correctly if ANY type is invalid (CVE-2003-0545).
1478 If verify callback ignores invalid public key errors don't try to check
1479 certificate signature with the NULL public key.
1483 *) New -ignore_err option in ocsp application to stop the server
1484 exiting on the first error in a request.
1487 *) In ssl3_accept() (ssl/s3_srvr.c) only accept a client certificate
1488 if the server requested one: as stated in TLS 1.0 and SSL 3.0
1492 *) In ssl3_get_client_hello() (ssl/s3_srvr.c), tolerate additional
1493 extra data after the compression methods not only for TLS 1.0
1494 but also for SSL 3.0 (as required by the specification).
1495 [Bodo Moeller; problem pointed out by Matthias Loepfe]
1497 *) Change X509_certificate_type() to mark the key as exported/exportable
1498 when it's 512 *bits* long, not 512 bytes.
1501 *) Change AES_cbc_encrypt() so it outputs exact multiple of
1502 blocks during encryption.
1505 *) Various fixes to base64 BIO and non blocking I/O. On write
1506 flushes were not handled properly if the BIO retried. On read
1507 data was not being buffered properly and had various logic bugs.
1508 This also affects blocking I/O when the data being decoded is a
1512 *) Various S/MIME bugfixes and compatibility changes:
1513 output correct application/pkcs7 MIME type if
1514 PKCS7_NOOLDMIMETYPE is set. Tolerate some broken signatures.
1515 Output CR+LF for EOL if PKCS7_CRLFEOL is set (this makes opening
1516 of files as .eml work). Correctly handle very long lines in MIME
1520 Changes between 0.9.7a and 0.9.7b [10 Apr 2003]
1522 *) Countermeasure against the Klima-Pokorny-Rosa extension of
1523 Bleichbacher's attack on PKCS #1 v1.5 padding: treat
1524 a protocol version number mismatch like a decryption error
1525 in ssl3_get_client_key_exchange (ssl/s3_srvr.c).
1528 *) Turn on RSA blinding by default in the default implementation
1529 to avoid a timing attack. Applications that don't want it can call
1530 RSA_blinding_off() or use the new flag RSA_FLAG_NO_BLINDING.
1531 They would be ill-advised to do so in most cases.
1532 [Ben Laurie, Steve Henson, Geoff Thorpe, Bodo Moeller]
1534 *) Change RSA blinding code so that it works when the PRNG is not
1535 seeded (in this case, the secret RSA exponent is abused as
1536 an unpredictable seed -- if it is not unpredictable, there
1537 is no point in blinding anyway). Make RSA blinding thread-safe
1538 by remembering the creator's thread ID in rsa->blinding and
1539 having all other threads use local one-time blinding factors
1540 (this requires more computation than sharing rsa->blinding, but
1541 avoids excessive locking; and if an RSA object is not shared
1542 between threads, blinding will still be very fast).
1545 *) Fixed a typo bug that would cause ENGINE_set_default() to set an
1546 ENGINE as defaults for all supported algorithms irrespective of
1547 the 'flags' parameter. 'flags' is now honoured, so applications
1548 should make sure they are passing it correctly.
1551 *) Target "mingw" now allows native Windows code to be generated in
1552 the Cygwin environment as well as with the MinGW compiler.
1555 Changes between 0.9.7 and 0.9.7a [19 Feb 2003]
1557 *) In ssl3_get_record (ssl/s3_pkt.c), minimize information leaked
1558 via timing by performing a MAC computation even if incorrrect
1559 block cipher padding has been found. This is a countermeasure
1560 against active attacks where the attacker has to distinguish
1561 between bad padding and a MAC verification error. (CVE-2003-0078)
1563 [Bodo Moeller; problem pointed out by Brice Canvel (EPFL),
1564 Alain Hiltgen (UBS), Serge Vaudenay (EPFL), and
1565 Martin Vuagnoux (EPFL, Ilion)]
1567 *) Make the no-err option work as intended. The intention with no-err
1568 is not to have the whole error stack handling routines removed from
1569 libcrypto, it's only intended to remove all the function name and
1570 reason texts, thereby removing some of the footprint that may not
1571 be interesting if those errors aren't displayed anyway.
1573 NOTE: it's still possible for any application or module to have it's
1574 own set of error texts inserted. The routines are there, just not
1575 used by default when no-err is given.
1578 *) Add support for FreeBSD on IA64.
1579 [dirk.meyer@dinoex.sub.org via Richard Levitte, resolves #454]
1581 *) Adjust DES_cbc_cksum() so it returns the same value as the MIT
1582 Kerberos function mit_des_cbc_cksum(). Before this change,
1583 the value returned by DES_cbc_cksum() was like the one from
1584 mit_des_cbc_cksum(), except the bytes were swapped.
1585 [Kevin Greaney <Kevin.Greaney@hp.com> and Richard Levitte]
1587 *) Allow an application to disable the automatic SSL chain building.
1588 Before this a rather primitive chain build was always performed in
1589 ssl3_output_cert_chain(): an application had no way to send the
1590 correct chain if the automatic operation produced an incorrect result.
1592 Now the chain builder is disabled if either:
1594 1. Extra certificates are added via SSL_CTX_add_extra_chain_cert().
1596 2. The mode flag SSL_MODE_NO_AUTO_CHAIN is set.
1598 The reasoning behind this is that an application would not want the
1599 auto chain building to take place if extra chain certificates are
1600 present and it might also want a means of sending no additional
1601 certificates (for example the chain has two certificates and the
1605 *) Add the possibility to build without the ENGINE framework.
1606 [Steven Reddie <smr@essemer.com.au> via Richard Levitte]
1608 *) Under Win32 gmtime() can return NULL: check return value in
1609 OPENSSL_gmtime(). Add error code for case where gmtime() fails.
1612 *) DSA routines: under certain error conditions uninitialized BN objects
1613 could be freed. Solution: make sure initialization is performed early
1614 enough. (Reported and fix supplied by Ivan D Nestlerode <nestler@MIT.EDU>,
1615 Nils Larsch <nla@trustcenter.de> via PR#459)
1618 *) Another fix for SSLv2 session ID handling: the session ID was incorrectly
1619 checked on reconnect on the client side, therefore session resumption
1620 could still fail with a "ssl session id is different" error. This
1621 behaviour is masked when SSL_OP_ALL is used due to
1622 SSL_OP_MICROSOFT_SESS_ID_BUG being set.
1623 Behaviour observed by Crispin Flowerday <crispin@flowerday.cx> as
1624 followup to PR #377.
1627 *) IA-32 assembler support enhancements: unified ELF targets, support
1628 for SCO/Caldera platforms, fix for Cygwin shared build.
1631 *) Add support for FreeBSD on sparc64. As a consequence, support for
1632 FreeBSD on non-x86 processors is separate from x86 processors on
1633 the config script, much like the NetBSD support.
1634 [Richard Levitte & Kris Kennaway <kris@obsecurity.org>]
1636 Changes between 0.9.6h and 0.9.7 [31 Dec 2002]
1638 [NB: OpenSSL 0.9.6i and later 0.9.6 patch levels were released after
1641 *) Fix session ID handling in SSLv2 client code: the SERVER FINISHED
1642 code (06) was taken as the first octet of the session ID and the last
1643 octet was ignored consequently. As a result SSLv2 client side session
1644 caching could not have worked due to the session ID mismatch between
1646 Behaviour observed by Crispin Flowerday <crispin@flowerday.cx> as
1650 *) Change the declaration of needed Kerberos libraries to use EX_LIBS
1651 instead of the special (and badly supported) LIBKRB5. LIBKRB5 is
1655 *) The hw_ncipher.c engine requires dynamic locks. Unfortunately, it
1656 seems that in spite of existing for more than a year, many application
1657 author have done nothing to provide the necessary callbacks, which
1658 means that this particular engine will not work properly anywhere.
1659 This is a very unfortunate situation which forces us, in the name
1660 of usability, to give the hw_ncipher.c a static lock, which is part
1662 NOTE: This is for the 0.9.7 series ONLY. This hack will never
1663 appear in 0.9.8 or later. We EXPECT application authors to have
1664 dealt properly with this when 0.9.8 is released (unless we actually
1665 make such changes in the libcrypto locking code that changes will
1666 have to be made anyway).
1669 *) In asn1_d2i_read_bio() repeatedly call BIO_read() until all content
1670 octets have been read, EOF or an error occurs. Without this change
1671 some truncated ASN1 structures will not produce an error.
1674 *) Disable Heimdal support, since it hasn't been fully implemented.
1675 Still give the possibility to force the use of Heimdal, but with
1676 warnings and a request that patches get sent to openssl-dev.
1679 *) Add the VC-CE target, introduce the WINCE sysname, and add
1680 INSTALL.WCE and appropriate conditionals to make it build.
1681 [Steven Reddie <smr@essemer.com.au> via Richard Levitte]
1683 *) Change the DLL names for Cygwin to cygcrypto-x.y.z.dll and
1684 cygssl-x.y.z.dll, where x, y and z are the major, minor and
1685 edit numbers of the version.
1686 [Corinna Vinschen <vinschen@redhat.com> and Richard Levitte]
1688 *) Introduce safe string copy and catenation functions
1689 (BUF_strlcpy() and BUF_strlcat()).
1690 [Ben Laurie (CHATS) and Richard Levitte]
1692 *) Avoid using fixed-size buffers for one-line DNs.
1693 [Ben Laurie (CHATS)]
1695 *) Add BUF_MEM_grow_clean() to avoid information leakage when
1696 resizing buffers containing secrets, and use where appropriate.
1697 [Ben Laurie (CHATS)]
1699 *) Avoid using fixed size buffers for configuration file location.
1700 [Ben Laurie (CHATS)]
1702 *) Avoid filename truncation for various CA files.
1703 [Ben Laurie (CHATS)]
1705 *) Use sizeof in preference to magic numbers.
1706 [Ben Laurie (CHATS)]
1708 *) Avoid filename truncation in cert requests.
1709 [Ben Laurie (CHATS)]
1711 *) Add assertions to check for (supposedly impossible) buffer
1713 [Ben Laurie (CHATS)]
1715 *) Don't cache truncated DNS entries in the local cache (this could
1716 potentially lead to a spoofing attack).
1717 [Ben Laurie (CHATS)]
1719 *) Fix various buffers to be large enough for hex/decimal
1720 representations in a platform independent manner.
1721 [Ben Laurie (CHATS)]
1723 *) Add CRYPTO_realloc_clean() to avoid information leakage when
1724 resizing buffers containing secrets, and use where appropriate.
1725 [Ben Laurie (CHATS)]
1727 *) Add BIO_indent() to avoid much slightly worrying code to do
1729 [Ben Laurie (CHATS)]
1731 *) Convert sprintf()/BIO_puts() to BIO_printf().
1732 [Ben Laurie (CHATS)]
1734 *) buffer_gets() could terminate with the buffer only half
1736 [Ben Laurie (CHATS)]
1738 *) Add assertions to prevent user-supplied crypto functions from
1739 overflowing internal buffers by having large block sizes, etc.
1740 [Ben Laurie (CHATS)]
1742 *) New OPENSSL_assert() macro (similar to assert(), but enabled
1744 [Ben Laurie (CHATS)]
1746 *) Eliminate unused copy of key in RC4.
1747 [Ben Laurie (CHATS)]
1749 *) Eliminate unused and incorrectly sized buffers for IV in pem.h.
1750 [Ben Laurie (CHATS)]
1752 *) Fix off-by-one error in EGD path.
1753 [Ben Laurie (CHATS)]
1755 *) If RANDFILE path is too long, ignore instead of truncating.
1756 [Ben Laurie (CHATS)]
1758 *) Eliminate unused and incorrectly sized X.509 structure
1760 [Ben Laurie (CHATS)]
1762 *) Eliminate unused and dangerous function knumber().
1763 [Ben Laurie (CHATS)]
1765 *) Eliminate unused and dangerous structure, KSSL_ERR.
1766 [Ben Laurie (CHATS)]
1768 *) Protect against overlong session ID context length in an encoded
1769 session object. Since these are local, this does not appear to be
1771 [Ben Laurie (CHATS)]
1773 *) Change from security patch (see 0.9.6e below) that did not affect
1774 the 0.9.6 release series:
1776 Remote buffer overflow in SSL3 protocol - an attacker could
1777 supply an oversized master key in Kerberos-enabled versions.
1779 [Ben Laurie (CHATS)]
1781 *) Change the SSL kerb5 codes to match RFC 2712.
1784 *) Make -nameopt work fully for req and add -reqopt switch.
1785 [Michael Bell <michael.bell@rz.hu-berlin.de>, Steve Henson]
1787 *) The "block size" for block ciphers in CFB and OFB mode should be 1.
1788 [Steve Henson, reported by Yngve Nysaeter Pettersen <yngve@opera.com>]
1790 *) Make sure tests can be performed even if the corresponding algorithms
1791 have been removed entirely. This was also the last step to make
1792 OpenSSL compilable with DJGPP under all reasonable conditions.
1793 [Richard Levitte, Doug Kaufman <dkaufman@rahul.net>]
1795 *) Add cipher selection rules COMPLEMENTOFALL and COMPLEMENTOFDEFAULT
1796 to allow version independent disabling of normally unselected ciphers,
1797 which may be activated as a side-effect of selecting a single cipher.
1799 (E.g., cipher list string "RSA" enables ciphersuites that are left
1800 out of "ALL" because they do not provide symmetric encryption.
1801 "RSA:!COMPLEMEMENTOFALL" avoids these unsafe ciphersuites.)
1802 [Lutz Jaenicke, Bodo Moeller]
1804 *) Add appropriate support for separate platform-dependent build
1805 directories. The recommended way to make a platform-dependent
1806 build directory is the following (tested on Linux), maybe with
1809 # Place yourself outside of the OpenSSL source tree. In
1810 # this example, the environment variable OPENSSL_SOURCE
1811 # is assumed to contain the absolute OpenSSL source directory.
1812 mkdir -p objtree/"`uname -s`-`uname -r`-`uname -m`"
1813 cd objtree/"`uname -s`-`uname -r`-`uname -m`"
1814 (cd $OPENSSL_SOURCE; find . -type f) | while read F; do
1815 mkdir -p `dirname $F`
1816 ln -s $OPENSSL_SOURCE/$F $F
1819 To be absolutely sure not to disturb the source tree, a "make clean"
1820 is a good thing. If it isn't successfull, don't worry about it,
1821 it probably means the source directory is very clean.
1824 *) Make sure any ENGINE control commands make local copies of string
1825 pointers passed to them whenever necessary. Otherwise it is possible
1826 the caller may have overwritten (or deallocated) the original string
1827 data when a later ENGINE operation tries to use the stored values.
1828 [Götz Babin-Ebell <babinebell@trustcenter.de>]
1830 *) Improve diagnostics in file reading and command-line digests.
1831 [Ben Laurie aided and abetted by Solar Designer <solar@openwall.com>]
1833 *) Add AES modes CFB and OFB to the object database. Correct an
1834 error in AES-CFB decryption.
1837 *) Remove most calls to EVP_CIPHER_CTX_cleanup() in evp_enc.c, this
1838 allows existing EVP_CIPHER_CTX structures to be reused after
1839 calling EVP_*Final(). This behaviour is used by encryption
1840 BIOs and some applications. This has the side effect that
1841 applications must explicitly clean up cipher contexts with
1842 EVP_CIPHER_CTX_cleanup() or they will leak memory.
1845 *) Check the values of dna and dnb in bn_mul_recursive before calling
1846 bn_mul_comba (a non zero value means the a or b arrays do not contain
1847 n2 elements) and fallback to bn_mul_normal if either is not zero.
1850 *) Fix escaping of non-ASCII characters when using the -subj option
1851 of the "openssl req" command line tool. (Robert Joop <joop@fokus.gmd.de>)
1854 *) Make object definitions compliant to LDAP (RFC2256): SN is the short
1855 form for "surname", serialNumber has no short form.
1856 Use "mail" as the short name for "rfc822Mailbox" according to RFC2798;
1857 therefore remove "mail" short name for "internet 7".
1858 The OID for unique identifiers in X509 certificates is
1859 x500UniqueIdentifier, not uniqueIdentifier.
1860 Some more OID additions. (Michael Bell <michael.bell@rz.hu-berlin.de>)
1863 *) Add an "init" command to the ENGINE config module and auto initialize
1864 ENGINEs. Without any "init" command the ENGINE will be initialized
1865 after all ctrl commands have been executed on it. If init=1 the
1866 ENGINE is initailized at that point (ctrls before that point are run
1867 on the uninitialized ENGINE and after on the initialized one). If
1868 init=0 then the ENGINE will not be iniatialized at all.
1871 *) Fix the 'app_verify_callback' interface so that the user-defined
1872 argument is actually passed to the callback: In the
1873 SSL_CTX_set_cert_verify_callback() prototype, the callback
1874 declaration has been changed from
1877 int (*cb)(X509_STORE_CTX *,void *);
1878 in ssl_verify_cert_chain (ssl/ssl_cert.c), the call
1879 i=s->ctx->app_verify_callback(&ctx)
1880 has been changed into
1881 i=s->ctx->app_verify_callback(&ctx, s->ctx->app_verify_arg).
1883 To update applications using SSL_CTX_set_cert_verify_callback(),
1884 a dummy argument can be added to their callback functions.
1885 [D. K. Smetters <smetters@parc.xerox.com>]
1887 *) Added the '4758cca' ENGINE to support IBM 4758 cards.
1888 [Maurice Gittens <maurice@gittens.nl>, touchups by Geoff Thorpe]
1890 *) Add and OPENSSL_LOAD_CONF define which will cause
1891 OpenSSL_add_all_algorithms() to load the openssl.cnf config file.
1892 This allows older applications to transparently support certain
1893 OpenSSL features: such as crypto acceleration and dynamic ENGINE loading.
1894 Two new functions OPENSSL_add_all_algorithms_noconf() which will never
1895 load the config file and OPENSSL_add_all_algorithms_conf() which will
1896 always load it have also been added.
1899 *) Add the OFB, CFB and CTR (all with 128 bit feedback) to AES.
1900 Adjust NIDs and EVP layer.
1901 [Stephen Sprunk <stephen@sprunk.org> and Richard Levitte]
1903 *) Config modules support in openssl utility.
1905 Most commands now load modules from the config file,
1906 though in a few (such as version) this isn't done
1907 because it couldn't be used for anything.
1909 In the case of ca and req the config file used is
1910 the same as the utility itself: that is the -config
1911 command line option can be used to specify an
1915 *) Move default behaviour from OPENSSL_config(). If appname is NULL
1916 use "openssl_conf" if filename is NULL use default openssl config file.
1919 *) Add an argument to OPENSSL_config() to allow the use of an alternative
1920 config section name. Add a new flag to tolerate a missing config file
1921 and move code to CONF_modules_load_file().
1924 *) Support for crypto accelerator cards from Accelerated Encryption
1925 Processing, www.aep.ie. (Use engine 'aep')
1926 The support was copied from 0.9.6c [engine] and adapted/corrected
1927 to work with the new engine framework.
1928 [AEP Inc. and Richard Levitte]
1930 *) Support for SureWare crypto accelerator cards from Baltimore
1931 Technologies. (Use engine 'sureware')
1932 The support was copied from 0.9.6c [engine] and adapted
1933 to work with the new engine framework.
1936 *) Have the CHIL engine fork-safe (as defined by nCipher) and actually
1937 make the newer ENGINE framework commands for the CHIL engine work.
1938 [Toomas Kiisk <vix@cyber.ee> and Richard Levitte]
1940 *) Make it possible to produce shared libraries on ReliantUNIX.
1941 [Robert Dahlem <Robert.Dahlem@ffm2.siemens.de> via Richard Levitte]
1943 *) Add the configuration target debug-linux-ppro.
1944 Make 'openssl rsa' use the general key loading routines
1945 implemented in apps.c, and make those routines able to
1946 handle the key format FORMAT_NETSCAPE and the variant
1948 [Toomas Kiisk <vix@cyber.ee> via Richard Levitte]
1950 *) Fix a crashbug and a logic bug in hwcrhk_load_pubkey().
1951 [Toomas Kiisk <vix@cyber.ee> via Richard Levitte]
1953 *) Add -keyform to rsautl, and document -engine.
1954 [Richard Levitte, inspired by Toomas Kiisk <vix@cyber.ee>]
1956 *) Change BIO_new_file (crypto/bio/bss_file.c) to use new
1957 BIO_R_NO_SUCH_FILE error code rather than the generic
1958 ERR_R_SYS_LIB error code if fopen() fails with ENOENT.
1961 *) Add new functions
1963 ERR_peek_last_error_line
1964 ERR_peek_last_error_line_data.
1965 These are similar to
1968 ERR_peek_error_line_data,
1969 but report on the latest error recorded rather than the first one
1970 still in the error queue.
1971 [Ben Laurie, Bodo Moeller]
1973 *) default_algorithms option in ENGINE config module. This allows things
1975 default_algorithms = ALL
1976 default_algorithms = RSA, DSA, RAND, CIPHERS, DIGESTS
1979 *) Prelminary ENGINE config module.
1982 *) New experimental application configuration code.
1985 *) Change the AES code to follow the same name structure as all other
1986 symmetric ciphers, and behave the same way. Move everything to
1987 the directory crypto/aes, thereby obsoleting crypto/rijndael.
1988 [Stephen Sprunk <stephen@sprunk.org> and Richard Levitte]
1990 *) SECURITY: remove unsafe setjmp/signal interaction from ui_openssl.c.
1991 [Ben Laurie and Theo de Raadt]
1993 *) Add option to output public keys in req command.
1994 [Massimiliano Pala madwolf@openca.org]
1996 *) Use wNAFs in EC_POINTs_mul() for improved efficiency
1997 (up to about 10% better than before for P-192 and P-224).
2000 *) New functions/macros
2002 SSL_CTX_set_msg_callback(ctx, cb)
2003 SSL_CTX_set_msg_callback_arg(ctx, arg)
2004 SSL_set_msg_callback(ssl, cb)
2005 SSL_set_msg_callback_arg(ssl, arg)
2007 to request calling a callback function
2009 void cb(int write_p, int version, int content_type,
2010 const void *buf, size_t len, SSL *ssl, void *arg)
2012 whenever a protocol message has been completely received
2013 (write_p == 0) or sent (write_p == 1). Here 'version' is the
2014 protocol version according to which the SSL library interprets
2015 the current protocol message (SSL2_VERSION, SSL3_VERSION, or
2016 TLS1_VERSION). 'content_type' is 0 in the case of SSL 2.0, or
2017 the content type as defined in the SSL 3.0/TLS 1.0 protocol
2018 specification (change_cipher_spec(20), alert(21), handshake(22)).
2019 'buf' and 'len' point to the actual message, 'ssl' to the
2020 SSL object, and 'arg' is the application-defined value set by
2021 SSL[_CTX]_set_msg_callback_arg().
2023 'openssl s_client' and 'openssl s_server' have new '-msg' options
2024 to enable a callback that displays all protocol messages.
2027 *) Change the shared library support so shared libraries are built as
2028 soon as the corresponding static library is finished, and thereby get
2029 openssl and the test programs linked against the shared library.
2030 This still only happens when the keyword "shard" has been given to
2031 the configuration scripts.
2033 NOTE: shared library support is still an experimental thing, and
2034 backward binary compatibility is still not guaranteed.
2035 ["Maciej W. Rozycki" <macro@ds2.pg.gda.pl> and Richard Levitte]
2037 *) Add support for Subject Information Access extension.
2038 [Peter Sylvester <Peter.Sylvester@EdelWeb.fr>]
2040 *) Make BUF_MEM_grow() behaviour more consistent: Initialise to zero
2041 additional bytes when new memory had to be allocated, not just
2042 when reusing an existing buffer.
2045 *) New command line and configuration option 'utf8' for the req command.
2046 This allows field values to be specified as UTF8 strings.
2049 *) Add -multi and -mr options to "openssl speed" - giving multiple parallel
2050 runs for the former and machine-readable output for the latter.
2053 *) Add '-noemailDN' option to 'openssl ca'. This prevents inclusion
2054 of the e-mail address in the DN (i.e., it will go into a certificate
2055 extension only). The new configuration file option 'email_in_dn = no'
2056 has the same effect.
2057 [Massimiliano Pala madwolf@openca.org]
2059 *) Change all functions with names starting with des_ to be starting
2060 with DES_ instead. Add wrappers that are compatible with libdes,
2061 but are named _ossl_old_des_*. Finally, add macros that map the
2062 des_* symbols to the corresponding _ossl_old_des_* if libdes
2063 compatibility is desired. If OpenSSL 0.9.6c compatibility is
2064 desired, the des_* symbols will be mapped to DES_*, with one
2067 Since we provide two compatibility mappings, the user needs to
2068 define the macro OPENSSL_DES_LIBDES_COMPATIBILITY if libdes
2069 compatibility is desired. The default (i.e., when that macro
2070 isn't defined) is OpenSSL 0.9.6c compatibility.
2072 There are also macros that enable and disable the support of old
2073 des functions altogether. Those are OPENSSL_ENABLE_OLD_DES_SUPPORT
2074 and OPENSSL_DISABLE_OLD_DES_SUPPORT. If none or both of those
2075 are defined, the default will apply: to support the old des routines.
2077 In either case, one must include openssl/des.h to get the correct
2078 definitions. Do not try to just include openssl/des_old.h, that
2081 NOTE: This is a major break of an old API into a new one. Software
2082 authors are encouraged to switch to the DES_ style functions. Some
2083 time in the future, des_old.h and the libdes compatibility functions
2084 will be disable (i.e. OPENSSL_DISABLE_OLD_DES_SUPPORT will be the
2085 default), and then completely removed.
2088 *) Test for certificates which contain unsupported critical extensions.
2089 If such a certificate is found during a verify operation it is
2090 rejected by default: this behaviour can be overridden by either
2091 handling the new error X509_V_ERR_UNHANDLED_CRITICAL_EXTENSION or
2092 by setting the verify flag X509_V_FLAG_IGNORE_CRITICAL. A new function
2093 X509_supported_extension() has also been added which returns 1 if a
2094 particular extension is supported.
2097 *) Modify the behaviour of EVP cipher functions in similar way to digests
2098 to retain compatibility with existing code.
2101 *) Modify the behaviour of EVP_DigestInit() and EVP_DigestFinal() to retain
2102 compatibility with existing code. In particular the 'ctx' parameter does
2103 not have to be to be initialized before the call to EVP_DigestInit() and
2104 it is tidied up after a call to EVP_DigestFinal(). New function
2105 EVP_DigestFinal_ex() which does not tidy up the ctx. Similarly function
2106 EVP_MD_CTX_copy() changed to not require the destination to be
2107 initialized valid and new function EVP_MD_CTX_copy_ex() added which
2108 requires the destination to be valid.
2110 Modify all the OpenSSL digest calls to use EVP_DigestInit_ex(),
2111 EVP_DigestFinal_ex() and EVP_MD_CTX_copy_ex().
2114 *) Change ssl3_get_message (ssl/s3_both.c) and the functions using it
2115 so that complete 'Handshake' protocol structures are kept in memory
2116 instead of overwriting 'msg_type' and 'length' with 'body' data.
2119 *) Add an implementation of SSL_add_dir_cert_subjects_to_stack for Win32.
2120 [Massimo Santin via Richard Levitte]
2122 *) Major restructuring to the underlying ENGINE code. This includes
2123 reduction of linker bloat, separation of pure "ENGINE" manipulation
2124 (initialisation, etc) from functionality dealing with implementations
2125 of specific crypto iterfaces. This change also introduces integrated
2126 support for symmetric ciphers and digest implementations - so ENGINEs
2127 can now accelerate these by providing EVP_CIPHER and EVP_MD
2128 implementations of their own. This is detailed in crypto/engine/README
2129 as it couldn't be adequately described here. However, there are a few
2130 API changes worth noting - some RSA, DSA, DH, and RAND functions that
2131 were changed in the original introduction of ENGINE code have now
2132 reverted back - the hooking from this code to ENGINE is now a good
2133 deal more passive and at run-time, operations deal directly with
2134 RSA_METHODs, DSA_METHODs (etc) as they did before, rather than
2135 dereferencing through an ENGINE pointer any more. Also, the ENGINE
2136 functions dealing with BN_MOD_EXP[_CRT] handlers have been removed -
2137 they were not being used by the framework as there is no concept of a
2138 BIGNUM_METHOD and they could not be generalised to the new
2139 'ENGINE_TABLE' mechanism that underlies the new code. Similarly,
2140 ENGINE_cpy() has been removed as it cannot be consistently defined in
2144 *) Change ASN1_GENERALIZEDTIME_check() to allow fractional seconds.
2147 *) Change mkdef.pl to sort symbols that get the same entry number,
2148 and make sure the automatically generated functions ERR_load_*
2149 become part of libeay.num as well.
2152 *) New function SSL_renegotiate_pending(). This returns true once
2153 renegotiation has been requested (either SSL_renegotiate() call
2154 or HelloRequest/ClientHello receveived from the peer) and becomes
2155 false once a handshake has been completed.
2156 (For servers, SSL_renegotiate() followed by SSL_do_handshake()
2157 sends a HelloRequest, but does not ensure that a handshake takes
2158 place. SSL_renegotiate_pending() is useful for checking if the
2159 client has followed the request.)
2162 *) New SSL option SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION.
2163 By default, clients may request session resumption even during
2164 renegotiation (if session ID contexts permit); with this option,
2165 session resumption is possible only in the first handshake.
2167 SSL_OP_ALL is now 0x00000FFFL instead of 0x000FFFFFL. This makes
2168 more bits available for options that should not be part of
2169 SSL_OP_ALL (such as SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION).
2172 *) Add some demos for certificate and certificate request creation.
2175 *) Make maximum certificate chain size accepted from the peer application
2176 settable (SSL*_get/set_max_cert_list()), as proposed by
2177 "Douglas E. Engert" <deengert@anl.gov>.
2180 *) Add support for shared libraries for Unixware-7
2181 (Boyd Lynn Gerber <gerberb@zenez.com>).
2184 *) Add a "destroy" handler to ENGINEs that allows structural cleanup to
2185 be done prior to destruction. Use this to unload error strings from
2186 ENGINEs that load their own error strings. NB: This adds two new API
2187 functions to "get" and "set" this destroy handler in an ENGINE.
2190 *) Alter all existing ENGINE implementations (except "openssl" and
2191 "openbsd") to dynamically instantiate their own error strings. This
2192 makes them more flexible to be built both as statically-linked ENGINEs
2193 and self-contained shared-libraries loadable via the "dynamic" ENGINE.
2194 Also, add stub code to each that makes building them as self-contained
2195 shared-libraries easier (see README.ENGINE).
2198 *) Add a "dynamic" ENGINE that provides a mechanism for binding ENGINE
2199 implementations into applications that are completely implemented in
2200 self-contained shared-libraries. The "dynamic" ENGINE exposes control
2201 commands that can be used to configure what shared-library to load and
2202 to control aspects of the way it is handled. Also, made an update to
2203 the README.ENGINE file that brings its information up-to-date and
2204 provides some information and instructions on the "dynamic" ENGINE
2205 (ie. how to use it, how to build "dynamic"-loadable ENGINEs, etc).
2208 *) Make it possible to unload ranges of ERR strings with a new
2209 "ERR_unload_strings" function.
2212 *) Add a copy() function to EVP_MD.
2215 *) Make EVP_MD routines take a context pointer instead of just the
2216 md_data void pointer.
2219 *) Add flags to EVP_MD and EVP_MD_CTX. EVP_MD_FLAG_ONESHOT indicates
2220 that the digest can only process a single chunk of data
2221 (typically because it is provided by a piece of
2222 hardware). EVP_MD_CTX_FLAG_ONESHOT indicates that the application
2223 is only going to provide a single chunk of data, and hence the
2224 framework needn't accumulate the data for oneshot drivers.
2227 *) As with "ERR", make it possible to replace the underlying "ex_data"
2228 functions. This change also alters the storage and management of global
2229 ex_data state - it's now all inside ex_data.c and all "class" code (eg.
2230 RSA, BIO, SSL_CTX, etc) no longer stores its own STACKS and per-class
2231 index counters. The API functions that use this state have been changed
2232 to take a "class_index" rather than pointers to the class's local STACK
2233 and counter, and there is now an API function to dynamically create new
2234 classes. This centralisation allows us to (a) plug a lot of the
2235 thread-safety problems that existed, and (b) makes it possible to clean
2236 up all allocated state using "CRYPTO_cleanup_all_ex_data()". W.r.t. (b)
2237 such data would previously have always leaked in application code and
2238 workarounds were in place to make the memory debugging turn a blind eye
2239 to it. Application code that doesn't use this new function will still
2240 leak as before, but their memory debugging output will announce it now
2241 rather than letting it slide.
2243 Besides the addition of CRYPTO_cleanup_all_ex_data(), another API change
2244 induced by the "ex_data" overhaul is that X509_STORE_CTX_init() now
2245 has a return value to indicate success or failure.
2248 *) Make it possible to replace the underlying "ERR" functions such that the
2249 global state (2 LHASH tables and 2 locks) is only used by the "default"
2250 implementation. This change also adds two functions to "get" and "set"
2251 the implementation prior to it being automatically set the first time
2252 any other ERR function takes place. Ie. an application can call "get",
2253 pass the return value to a module it has just loaded, and that module
2254 can call its own "set" function using that value. This means the
2255 module's "ERR" operations will use (and modify) the error state in the
2256 application and not in its own statically linked copy of OpenSSL code.
2259 *) Give DH, DSA, and RSA types their own "**_up_ref()" function to increment
2260 reference counts. This performs normal REF_PRINT/REF_CHECK macros on
2261 the operation, and provides a more encapsulated way for external code
2262 (crypto/evp/ and ssl/) to do this. Also changed the evp and ssl code
2263 to use these functions rather than manually incrementing the counts.
2265 Also rename "DSO_up()" function to more descriptive "DSO_up_ref()".
2268 *) Add EVP test program.
2271 *) Add symmetric cipher support to ENGINE. Expect the API to change!
2274 *) New CRL functions: X509_CRL_set_version(), X509_CRL_set_issuer_name()
2275 X509_CRL_set_lastUpdate(), X509_CRL_set_nextUpdate(), X509_CRL_sort(),
2276 X509_REVOKED_set_serialNumber(), and X509_REVOKED_set_revocationDate().
2277 These allow a CRL to be built without having to access X509_CRL fields
2278 directly. Modify 'ca' application to use new functions.
2281 *) Move SSL_OP_TLS_ROLLBACK_BUG out of the SSL_OP_ALL list of recommended
2282 bug workarounds. Rollback attack detection is a security feature.
2283 The problem will only arise on OpenSSL servers when TLSv1 is not
2284 available (sslv3_server_method() or SSL_OP_NO_TLSv1).
2285 Software authors not wanting to support TLSv1 will have special reasons
2286 for their choice and can explicitly enable this option.
2287 [Bodo Moeller, Lutz Jaenicke]
2289 *) Rationalise EVP so it can be extended: don't include a union of
2290 cipher/digest structures, add init/cleanup functions for EVP_MD_CTX
2291 (similar to those existing for EVP_CIPHER_CTX).
2296 EVP_MD_CTX_init(&md); /* new function call */
2297 EVP_DigestInit(&md, EVP_sha1());
2298 EVP_DigestUpdate(&md, in, len);
2299 EVP_DigestFinal(&md, out, NULL);
2300 EVP_MD_CTX_cleanup(&md); /* new function call */
2304 *) Make DES key schedule conform to the usual scheme, as well as
2305 correcting its structure. This means that calls to DES functions
2306 now have to pass a pointer to a des_key_schedule instead of a
2307 plain des_key_schedule (which was actually always a pointer
2310 des_key_schedule ks;
2312 des_set_key_checked(..., &ks);
2313 des_ncbc_encrypt(..., &ks, ...);
2315 (Note that a later change renames 'des_...' into 'DES_...'.)
2318 *) Initial reduction of linker bloat: the use of some functions, such as
2319 PEM causes large amounts of unused functions to be linked in due to
2320 poor organisation. For example pem_all.c contains every PEM function
2321 which has a knock on effect of linking in large amounts of (unused)
2322 ASN1 code. Grouping together similar functions and splitting unrelated
2323 functions prevents this.
2326 *) Cleanup of EVP macros.
2329 *) Change historical references to {NID,SN,LN}_des_ede and ede3 to add the
2330 correct _ecb suffix.
2333 *) Add initial OCSP responder support to ocsp application. The
2334 revocation information is handled using the text based index
2335 use by the ca application. The responder can either handle
2336 requests generated internally, supplied in files (for example
2337 via a CGI script) or using an internal minimal server.
2340 *) Add configuration choices to get zlib compression for TLS.
2343 *) Changes to Kerberos SSL for RFC 2712 compliance:
2344 1. Implemented real KerberosWrapper, instead of just using
2345 KRB5 AP_REQ message. [Thanks to Simon Wilkinson <sxw@sxw.org.uk>]
2346 2. Implemented optional authenticator field of KerberosWrapper.
2348 Added openssl-style ASN.1 macros for Kerberos ticket, ap_req,
2349 and authenticator structs; see crypto/krb5/.
2351 Generalized Kerberos calls to support multiple Kerberos libraries.
2352 [Vern Staats <staatsvr@asc.hpc.mil>,
2353 Jeffrey Altman <jaltman@columbia.edu>
2354 via Richard Levitte]
2356 *) Cause 'openssl speed' to use fully hard-coded DSA keys as it
2357 already does with RSA. testdsa.h now has 'priv_key/pub_key'
2358 values for each of the key sizes rather than having just
2359 parameters (and 'speed' generating keys each time).
2362 *) Speed up EVP routines.
2365 type 8 bytes 64 bytes 256 bytes 1024 bytes 8192 bytes
2366 des-cbc 4408.85k 5560.51k 5778.46k 5862.20k 5825.16k
2367 des-cbc 4389.55k 5571.17k 5792.23k 5846.91k 5832.11k
2368 des-cbc 4394.32k 5575.92k 5807.44k 5848.37k 5841.30k
2370 des-cbc 3482.66k 5069.49k 5496.39k 5614.16k 5639.28k
2371 des-cbc 3480.74k 5068.76k 5510.34k 5609.87k 5635.52k
2372 des-cbc 3483.72k 5067.62k 5504.60k 5708.01k 5724.80k
2375 des-cbc 4660.16k 5650.19k 5807.19k 5827.13k 5783.32k
2377 des-cbc 3624.96k 5258.21k 5530.91k 5624.30k 5628.26k
2380 *) Added the OS2-EMX target.
2381 ["Brian Havard" <brianh@kheldar.apana.org.au> and Richard Levitte]
2383 *) Rewrite apps to use NCONF routines instead of the old CONF. New functions
2384 to support NCONF routines in extension code. New function CONF_set_nconf()
2385 to allow functions which take an NCONF to also handle the old LHASH
2386 structure: this means that the old CONF compatible routines can be
2387 retained (in particular wrt extensions) without having to duplicate the
2388 code. New function X509V3_add_ext_nconf_sk to add extensions to a stack.
2391 *) Enhance the general user interface with mechanisms for inner control
2392 and with possibilities to have yes/no kind of prompts.
2395 *) Change all calls to low level digest routines in the library and
2396 applications to use EVP. Add missing calls to HMAC_cleanup() and
2397 don't assume HMAC_CTX can be copied using memcpy().
2398 [Verdon Walker <VWalker@novell.com>, Steve Henson]
2400 *) Add the possibility to control engines through control names but with
2401 arbitrary arguments instead of just a string.
2402 Change the key loaders to take a UI_METHOD instead of a callback
2403 function pointer. NOTE: this breaks binary compatibility with earlier
2404 versions of OpenSSL [engine].
2405 Adapt the nCipher code for these new conditions and add a card insertion
2409 *) Enhance the general user interface with mechanisms to better support
2410 dialog box interfaces, application-defined prompts, the possibility
2411 to use defaults (for example default passwords from somewhere else)
2412 and interrupts/cancellations.
2415 *) Tidy up PKCS#12 attribute handling. Add support for the CSP name
2416 attribute in PKCS#12 files, add new -CSP option to pkcs12 utility.
2419 *) Fix a memory leak in 'sk_dup()' in the case reallocation fails. (Also
2420 tidy up some unnecessarily weird code in 'sk_new()').
2421 [Geoff, reported by Diego Tartara <dtartara@novamens.com>]
2423 *) Change the key loading routines for ENGINEs to use the same kind
2424 callback (pem_password_cb) as all other routines that need this
2428 *) Increase ENTROPY_NEEDED to 32 bytes, as Rijndael can operate with
2429 256 bit (=32 byte) keys. Of course seeding with more entropy bytes
2430 than this minimum value is recommended.
2433 *) New random seeder for OpenVMS, using the system process statistics
2434 that are easily reachable.
2437 *) Windows apparently can't transparently handle global
2438 variables defined in DLLs. Initialisations such as:
2440 const ASN1_ITEM *it = &ASN1_INTEGER_it;
2442 wont compile. This is used by the any applications that need to
2443 declare their own ASN1 modules. This was fixed by adding the option
2444 EXPORT_VAR_AS_FN to all Win32 platforms, although this isn't strictly
2445 needed for static libraries under Win32.
2448 *) New functions X509_PURPOSE_set() and X509_TRUST_set() to handle
2449 setting of purpose and trust fields. New X509_STORE trust and
2450 purpose functions and tidy up setting in other SSL functions.
2453 *) Add copies of X509_STORE_CTX fields and callbacks to X509_STORE
2454 structure. These are inherited by X509_STORE_CTX when it is
2455 initialised. This allows various defaults to be set in the
2456 X509_STORE structure (such as flags for CRL checking and custom
2457 purpose or trust settings) for functions which only use X509_STORE_CTX
2458 internally such as S/MIME.
2460 Modify X509_STORE_CTX_purpose_inherit() so it only sets purposes and
2461 trust settings if they are not set in X509_STORE. This allows X509_STORE
2462 purposes and trust (in S/MIME for example) to override any set by default.
2464 Add command line options for CRL checking to smime, s_client and s_server
2468 *) Initial CRL based revocation checking. If the CRL checking flag(s)
2469 are set then the CRL is looked up in the X509_STORE structure and
2470 its validity and signature checked, then if the certificate is found
2471 in the CRL the verify fails with a revoked error.
2473 Various new CRL related callbacks added to X509_STORE_CTX structure.
2475 Command line options added to 'verify' application to support this.
2477 This needs some additional work, such as being able to handle multiple
2478 CRLs with different times, extension based lookup (rather than just
2479 by subject name) and ultimately more complete V2 CRL extension
2483 *) Add a general user interface API (crypto/ui/). This is designed
2484 to replace things like des_read_password and friends (backward
2485 compatibility functions using this new API are provided).
2486 The purpose is to remove prompting functions from the DES code
2487 section as well as provide for prompting through dialog boxes in
2488 a window system and the like.
2491 *) Add "ex_data" support to ENGINE so implementations can add state at a
2492 per-structure level rather than having to store it globally.
2495 *) Make it possible for ENGINE structures to be copied when retrieved by
2496 ENGINE_by_id() if the ENGINE specifies a new flag: ENGINE_FLAGS_BY_ID_COPY.
2497 This causes the "original" ENGINE structure to act like a template,
2498 analogous to the RSA vs. RSA_METHOD type of separation. Because of this
2499 operational state can be localised to each ENGINE structure, despite the
2500 fact they all share the same "methods". New ENGINE structures returned in
2501 this case have no functional references and the return value is the single
2502 structural reference. This matches the single structural reference returned
2503 by ENGINE_by_id() normally, when it is incremented on the pre-existing
2507 *) Fix ASN1 decoder when decoding type ANY and V_ASN1_OTHER: since this
2508 needs to match any other type at all we need to manually clear the
2512 *) Changes to the "openssl engine" utility to include;
2513 - verbosity levels ('-v', '-vv', and '-vvv') that provide information
2514 about an ENGINE's available control commands.
2515 - executing control commands from command line arguments using the
2516 '-pre' and '-post' switches. '-post' is only used if '-t' is
2517 specified and the ENGINE is successfully initialised. The syntax for
2518 the individual commands are colon-separated, for example;
2519 openssl engine chil -pre FORK_CHECK:0 -pre SO_PATH:/lib/test.so
2522 *) New dynamic control command support for ENGINEs. ENGINEs can now
2523 declare their own commands (numbers), names (strings), descriptions,
2524 and input types for run-time discovery by calling applications. A
2525 subset of these commands are implicitly classed as "executable"
2526 depending on their input type, and only these can be invoked through
2527 the new string-based API function ENGINE_ctrl_cmd_string(). (Eg. this
2528 can be based on user input, config files, etc). The distinction is
2529 that "executable" commands cannot return anything other than a boolean
2530 result and can only support numeric or string input, whereas some
2531 discoverable commands may only be for direct use through
2532 ENGINE_ctrl(), eg. supporting the exchange of binary data, function
2533 pointers, or other custom uses. The "executable" commands are to
2534 support parameterisations of ENGINE behaviour that can be
2535 unambiguously defined by ENGINEs and used consistently across any
2536 OpenSSL-based application. Commands have been added to all the
2537 existing hardware-supporting ENGINEs, noticeably "SO_PATH" to allow
2538 control over shared-library paths without source code alterations.
2541 *) Changed all ENGINE implementations to dynamically allocate their
2542 ENGINEs rather than declaring them statically. Apart from this being
2543 necessary with the removal of the ENGINE_FLAGS_MALLOCED distinction,
2544 this also allows the implementations to compile without using the
2545 internal engine_int.h header.
2548 *) Minor adjustment to "rand" code. RAND_get_rand_method() now returns a
2549 'const' value. Any code that should be able to modify a RAND_METHOD
2550 should already have non-const pointers to it (ie. they should only
2551 modify their own ones).
2554 *) Made a variety of little tweaks to the ENGINE code.
2555 - "atalla" and "ubsec" string definitions were moved from header files
2556 to C code. "nuron" string definitions were placed in variables
2557 rather than hard-coded - allowing parameterisation of these values
2558 later on via ctrl() commands.
2559 - Removed unused "#if 0"'d code.
2560 - Fixed engine list iteration code so it uses ENGINE_free() to release
2561 structural references.
2562 - Constified the RAND_METHOD element of ENGINE structures.
2563 - Constified various get/set functions as appropriate and added
2564 missing functions (including a catch-all ENGINE_cpy that duplicates
2565 all ENGINE values onto a new ENGINE except reference counts/state).
2566 - Removed NULL parameter checks in get/set functions. Setting a method
2567 or function to NULL is a way of cancelling out a previously set
2568 value. Passing a NULL ENGINE parameter is just plain stupid anyway
2569 and doesn't justify the extra error symbols and code.
2570 - Deprecate the ENGINE_FLAGS_MALLOCED define and move the area for
2571 flags from engine_int.h to engine.h.
2572 - Changed prototypes for ENGINE handler functions (init(), finish(),
2573 ctrl(), key-load functions, etc) to take an (ENGINE*) parameter.
2576 *) Implement binary inversion algorithm for BN_mod_inverse in addition
2577 to the algorithm using long division. The binary algorithm can be
2578 used only if the modulus is odd. On 32-bit systems, it is faster
2579 only for relatively small moduli (roughly 20-30% for 128-bit moduli,
2580 roughly 5-15% for 256-bit moduli), so we use it only for moduli
2581 up to 450 bits. In 64-bit environments, the binary algorithm
2582 appears to be advantageous for much longer moduli; here we use it
2583 for moduli up to 2048 bits.
2586 *) Rewrite CHOICE field setting in ASN1_item_ex_d2i(). The old code
2587 could not support the combine flag in choice fields.
2590 *) Add a 'copy_extensions' option to the 'ca' utility. This copies
2591 extensions from a certificate request to the certificate.
2594 *) Allow multiple 'certopt' and 'nameopt' options to be separated
2595 by commas. Add 'namopt' and 'certopt' options to the 'ca' config
2596 file: this allows the display of the certificate about to be
2597 signed to be customised, to allow certain fields to be included
2598 or excluded and extension details. The old system didn't display
2599 multicharacter strings properly, omitted fields not in the policy
2600 and couldn't display additional details such as extensions.
2603 *) Function EC_POINTs_mul for multiple scalar multiplication
2604 of an arbitrary number of elliptic curve points
2605 \sum scalars[i]*points[i],
2606 optionally including the generator defined for the EC_GROUP:
2607 scalar*generator + \sum scalars[i]*points[i].
2609 EC_POINT_mul is a simple wrapper function for the typical case
2610 that the point list has just one item (besides the optional
2614 *) First EC_METHODs for curves over GF(p):
2616 EC_GFp_simple_method() uses the basic BN_mod_mul and BN_mod_sqr
2617 operations and provides various method functions that can also
2618 operate with faster implementations of modular arithmetic.
2620 EC_GFp_mont_method() reuses most functions that are part of
2621 EC_GFp_simple_method, but uses Montgomery arithmetic.
2623 [Bodo Moeller; point addition and point doubling
2624 implementation directly derived from source code provided by
2625 Lenka Fibikova <fibikova@exp-math.uni-essen.de>]
2627 *) Framework for elliptic curves (crypto/ec/ec.h, crypto/ec/ec_lcl.h,
2628 crypto/ec/ec_lib.c):
2630 Curves are EC_GROUP objects (with an optional group generator)
2631 based on EC_METHODs that are built into the library.
2633 Points are EC_POINT objects based on EC_GROUP objects.
2635 Most of the framework would be able to handle curves over arbitrary
2636 finite fields, but as there are no obvious types for fields other
2637 than GF(p), some functions are limited to that for now.
2640 *) Add the -HTTP option to s_server. It is similar to -WWW, but requires
2641 that the file contains a complete HTTP response.
2644 *) Add the ec directory to mkdef.pl and mkfiles.pl. In mkdef.pl
2645 change the def and num file printf format specifier from "%-40sXXX"
2646 to "%-39s XXX". The latter will always guarantee a space after the
2647 field while the former will cause them to run together if the field
2648 is 40 of more characters long.
2651 *) Constify the cipher and digest 'method' functions and structures
2652 and modify related functions to take constant EVP_MD and EVP_CIPHER
2656 *) Hide BN_CTX structure details in bn_lcl.h instead of publishing them
2657 in <openssl/bn.h>. Also further increase BN_CTX_NUM to 32.
2660 *) Modify EVP_Digest*() routines so they now return values. Although the
2661 internal software routines can never fail additional hardware versions
2665 *) Clean up crypto/err/err.h and change some error codes to avoid conflicts:
2667 Previously ERR_R_FATAL was too small and coincided with ERR_LIB_PKCS7
2668 (= ERR_R_PKCS7_LIB); it is now 64 instead of 32.
2671 ERR_R_NESTED_ASN1_ERROR
2673 ERR_R_MISSING_ASN1_EOS
2674 were 4 .. 9, conflicting with
2675 ERR_LIB_RSA (= ERR_R_RSA_LIB)
2677 ERR_LIB_PEM (= ERR_R_PEM_LIB).
2678 They are now 58 .. 63 (i.e., just below ERR_R_FATAL).
2680 Add new error code 'ERR_R_INTERNAL_ERROR'.
2683 *) Don't overuse locks in crypto/err/err.c: For data retrieval, CRYPTO_r_lock
2687 *) New option '-subj arg' for 'openssl req' and 'openssl ca'. This
2688 sets the subject name for a new request or supersedes the
2689 subject name in a given request. Formats that can be parsed are
2690 'CN=Some Name, OU=myOU, C=IT'
2692 'CN=Some Name/OU=myOU/C=IT'.
2694 Add options '-batch' and '-verbose' to 'openssl req'.
2695 [Massimiliano Pala <madwolf@hackmasters.net>]
2697 *) Introduce the possibility to access global variables through
2698 functions on platform were that's the best way to handle exporting
2699 global variables in shared libraries. To enable this functionality,
2700 one must configure with "EXPORT_VAR_AS_FN" or defined the C macro
2701 "OPENSSL_EXPORT_VAR_AS_FUNCTION" in crypto/opensslconf.h (the latter
2702 is normally done by Configure or something similar).
2704 To implement a global variable, use the macro OPENSSL_IMPLEMENT_GLOBAL
2705 in the source file (foo.c) like this:
2707 OPENSSL_IMPLEMENT_GLOBAL(int,foo)=1;
2708 OPENSSL_IMPLEMENT_GLOBAL(double,bar);
2710 To declare a global variable, use the macros OPENSSL_DECLARE_GLOBAL
2711 and OPENSSL_GLOBAL_REF in the header file (foo.h) like this:
2713 OPENSSL_DECLARE_GLOBAL(int,foo);
2714 #define foo OPENSSL_GLOBAL_REF(foo)
2715 OPENSSL_DECLARE_GLOBAL(double,bar);
2716 #define bar OPENSSL_GLOBAL_REF(bar)
2718 The #defines are very important, and therefore so is including the
2719 header file everywhere where the defined globals are used.
2721 The macro OPENSSL_EXPORT_VAR_AS_FUNCTION also affects the definition
2722 of ASN.1 items, but that structure is a bit different.
2724 The largest change is in util/mkdef.pl which has been enhanced with
2725 better and easier to understand logic to choose which symbols should
2726 go into the Windows .def files as well as a number of fixes and code
2727 cleanup (among others, algorithm keywords are now sorted
2728 lexicographically to avoid constant rewrites).
2731 *) In BN_div() keep a copy of the sign of 'num' before writing the
2732 result to 'rm' because if rm==num the value will be overwritten
2733 and produce the wrong result if 'num' is negative: this caused
2734 problems with BN_mod() and BN_nnmod().
2737 *) Function OCSP_request_verify(). This checks the signature on an
2738 OCSP request and verifies the signer certificate. The signer
2739 certificate is just checked for a generic purpose and OCSP request
2743 *) Add OCSP_check_validity() function to check the validity of OCSP
2744 responses. OCSP responses are prepared in real time and may only
2745 be a few seconds old. Simply checking that the current time lies
2746 between thisUpdate and nextUpdate max reject otherwise valid responses
2747 caused by either OCSP responder or client clock inaccuracy. Instead
2748 we allow thisUpdate and nextUpdate to fall within a certain period of
2749 the current time. The age of the response can also optionally be
2750 checked. Two new options -validity_period and -status_age added to
2754 *) If signature or public key algorithm is unrecognized print out its
2755 OID rather that just UNKNOWN.
2758 *) Change OCSP_cert_to_id() to tolerate a NULL subject certificate and
2759 OCSP_cert_id_new() a NULL serialNumber. This allows a partial certificate
2760 ID to be generated from the issuer certificate alone which can then be
2761 passed to OCSP_id_issuer_cmp().
2764 *) New compilation option ASN1_ITEM_FUNCTIONS. This causes the new
2765 ASN1 modules to export functions returning ASN1_ITEM pointers
2766 instead of the ASN1_ITEM structures themselves. This adds several
2767 new macros which allow the underlying ASN1 function/structure to
2768 be accessed transparently. As a result code should not use ASN1_ITEM
2769 references directly (such as &X509_it) but instead use the relevant
2770 macros (such as ASN1_ITEM_rptr(X509)). This option is to allow
2771 use of the new ASN1 code on platforms where exporting structures
2772 is problematical (for example in shared libraries) but exporting
2773 functions returning pointers to structures is not.
2776 *) Add support for overriding the generation of SSL/TLS session IDs.
2777 These callbacks can be registered either in an SSL_CTX or per SSL.
2778 The purpose of this is to allow applications to control, if they wish,
2779 the arbitrary values chosen for use as session IDs, particularly as it
2780 can be useful for session caching in multiple-server environments. A
2781 command-line switch for testing this (and any client code that wishes
2782 to use such a feature) has been added to "s_server".
2783 [Geoff Thorpe, Lutz Jaenicke]
2785 *) Modify mkdef.pl to recognise and parse preprocessor conditionals
2786 of the form '#if defined(...) || defined(...) || ...' and
2787 '#if !defined(...) && !defined(...) && ...'. This also avoids
2788 the growing number of special cases it was previously handling.
2791 *) Make all configuration macros available for application by making
2792 sure they are available in opensslconf.h, by giving them names starting
2793 with "OPENSSL_" to avoid conflicts with other packages and by making
2794 sure e_os2.h will cover all platform-specific cases together with
2796 Additionally, it is now possible to define configuration/platform-
2797 specific names (called "system identities"). In the C code, these
2798 are prefixed with "OPENSSL_SYSNAME_". e_os2.h will create another
2799 macro with the name beginning with "OPENSSL_SYS_", which is determined
2800 from "OPENSSL_SYSNAME_*" or compiler-specific macros depending on
2804 *) New option -set_serial to 'req' and 'x509' this allows the serial
2805 number to use to be specified on the command line. Previously self
2806 signed certificates were hard coded with serial number 0 and the
2807 CA options of 'x509' had to use a serial number in a file which was
2811 *) New options to 'ca' utility to support V2 CRL entry extensions.
2812 Currently CRL reason, invalidity date and hold instruction are
2813 supported. Add new CRL extensions to V3 code and some new objects.
2816 *) New function EVP_CIPHER_CTX_set_padding() this is used to
2817 disable standard block padding (aka PKCS#5 padding) in the EVP
2818 API, which was previously mandatory. This means that the data is
2819 not padded in any way and so the total length much be a multiple
2820 of the block size, otherwise an error occurs.
2823 *) Initial (incomplete) OCSP SSL support.
2826 *) New function OCSP_parse_url(). This splits up a URL into its host,
2827 port and path components: primarily to parse OCSP URLs. New -url
2828 option to ocsp utility.
2831 *) New nonce behavior. The return value of OCSP_check_nonce() now
2832 reflects the various checks performed. Applications can decide
2833 whether to tolerate certain situations such as an absent nonce
2834 in a response when one was present in a request: the ocsp application
2835 just prints out a warning. New function OCSP_add1_basic_nonce()
2836 this is to allow responders to include a nonce in a response even if
2837 the request is nonce-less.
2840 *) Disable stdin buffering in load_cert (apps/apps.c) so that no certs are
2841 skipped when using openssl x509 multiple times on a single input file,
2842 e.g. "(openssl x509 -out cert1; openssl x509 -out cert2) <certs".
2845 *) Make ASN1_UTCTIME_set_string() and ASN1_GENERALIZEDTIME_set_string()
2846 set string type: to handle setting ASN1_TIME structures. Fix ca
2847 utility to correctly initialize revocation date of CRLs.
2850 *) New option SSL_OP_CIPHER_SERVER_PREFERENCE allows the server to override
2851 the clients preferred ciphersuites and rather use its own preferences.
2852 Should help to work around M$ SGC (Server Gated Cryptography) bug in
2853 Internet Explorer by ensuring unchanged hash method during stepup.
2854 (Also replaces the broken/deactivated SSL_OP_NON_EXPORT_FIRST option.)
2857 *) Make mkdef.pl recognise all DECLARE_ASN1 macros, change rijndael
2858 to aes and add a new 'exist' option to print out symbols that don't
2862 *) Additional options to ocsp utility to allow flags to be set and
2863 additional certificates supplied.
2866 *) Add the option -VAfile to 'openssl ocsp', so the user can give the
2867 OCSP client a number of certificate to only verify the response
2871 *) Update Rijndael code to version 3.0 and change EVP AES ciphers to
2872 handle the new API. Currently only ECB, CBC modes supported. Add new
2875 Add TLS AES ciphersuites as described in RFC3268, "Advanced
2876 Encryption Standard (AES) Ciphersuites for Transport Layer
2877 Security (TLS)". (In beta versions of OpenSSL 0.9.7, these were
2878 not enabled by default and were not part of the "ALL" ciphersuite
2879 alias because they were not yet official; they could be
2880 explicitly requested by specifying the "AESdraft" ciphersuite
2881 group alias. In the final release of OpenSSL 0.9.7, the group
2882 alias is called "AES" and is part of "ALL".)
2883 [Ben Laurie, Steve Henson, Bodo Moeller]
2885 *) New function OCSP_copy_nonce() to copy nonce value (if present) from
2886 request to response.
2889 *) Functions for OCSP responders. OCSP_request_onereq_count(),
2890 OCSP_request_onereq_get0(), OCSP_onereq_get0_id() and OCSP_id_get0_info()
2891 extract information from a certificate request. OCSP_response_create()
2892 creates a response and optionally adds a basic response structure.
2893 OCSP_basic_add1_status() adds a complete single response to a basic
2894 response and returns the OCSP_SINGLERESP structure just added (to allow
2895 extensions to be included for example). OCSP_basic_add1_cert() adds a
2896 certificate to a basic response and OCSP_basic_sign() signs a basic
2897 response with various flags. New helper functions ASN1_TIME_check()
2898 (checks validity of ASN1_TIME structure) and ASN1_TIME_to_generalizedtime()
2899 (converts ASN1_TIME to GeneralizedTime).
2902 *) Various new functions. EVP_Digest() combines EVP_Digest{Init,Update,Final}()
2903 in a single operation. X509_get0_pubkey_bitstr() extracts the public_key
2904 structure from a certificate. X509_pubkey_digest() digests the public_key
2905 contents: this is used in various key identifiers.
2908 *) Make sk_sort() tolerate a NULL argument.
2909 [Steve Henson reported by Massimiliano Pala <madwolf@comune.modena.it>]
2911 *) New OCSP verify flag OCSP_TRUSTOTHER. When set the "other" certificates
2912 passed by the function are trusted implicitly. If any of them signed the
2913 response then it is assumed to be valid and is not verified.
2916 *) In PKCS7_set_type() initialise content_type in PKCS7_ENC_CONTENT
2917 to data. This was previously part of the PKCS7 ASN1 code. This
2918 was causing problems with OpenSSL created PKCS#12 and PKCS#7 structures.
2919 [Steve Henson, reported by Kenneth R. Robinette
2920 <support@securenetterm.com>]
2922 *) Add CRYPTO_push_info() and CRYPTO_pop_info() calls to new ASN1
2923 routines: without these tracing memory leaks is very painful.
2924 Fix leaks in PKCS12 and PKCS7 routines.
2927 *) Make X509_time_adj() cope with the new behaviour of ASN1_TIME_new().
2928 Previously it initialised the 'type' argument to V_ASN1_UTCTIME which
2929 effectively meant GeneralizedTime would never be used. Now it
2930 is initialised to -1 but X509_time_adj() now has to check the value
2931 and use ASN1_TIME_set() if the value is not V_ASN1_UTCTIME or
2932 V_ASN1_GENERALIZEDTIME, without this it always uses GeneralizedTime.
2933 [Steve Henson, reported by Kenneth R. Robinette
2934 <support@securenetterm.com>]
2936 *) Fixes to BN_to_ASN1_INTEGER when bn is zero. This would previously
2937 result in a zero length in the ASN1_INTEGER structure which was
2938 not consistent with the structure when d2i_ASN1_INTEGER() was used
2939 and would cause ASN1_INTEGER_cmp() to fail. Enhance s2i_ASN1_INTEGER()
2940 to cope with hex and negative integers. Fix bug in i2a_ASN1_INTEGER()
2941 where it did not print out a minus for negative ASN1_INTEGER.
2944 *) Add summary printout to ocsp utility. The various functions which
2945 convert status values to strings have been renamed to:
2946 OCSP_response_status_str(), OCSP_cert_status_str() and
2947 OCSP_crl_reason_str() and are no longer static. New options
2948 to verify nonce values and to disable verification. OCSP response
2949 printout format cleaned up.
2952 *) Add additional OCSP certificate checks. These are those specified
2953 in RFC2560. This consists of two separate checks: the CA of the
2954 certificate being checked must either be the OCSP signer certificate
2955 or the issuer of the OCSP signer certificate. In the latter case the
2956 OCSP signer certificate must contain the OCSP signing extended key
2957 usage. This check is performed by attempting to match the OCSP
2958 signer or the OCSP signer CA to the issuerNameHash and issuerKeyHash
2959 in the OCSP_CERTID structures of the response.
2962 *) Initial OCSP certificate verification added to OCSP_basic_verify()
2963 and related routines. This uses the standard OpenSSL certificate
2964 verify routines to perform initial checks (just CA validity) and
2965 to obtain the certificate chain. Then additional checks will be
2966 performed on the chain. Currently the root CA is checked to see
2967 if it is explicitly trusted for OCSP signing. This is used to set
2968 a root CA as a global signing root: that is any certificate that
2969 chains to that CA is an acceptable OCSP signing certificate.
2972 *) New '-extfile ...' option to 'openssl ca' for reading X.509v3
2973 extensions from a separate configuration file.
2974 As when reading extensions from the main configuration file,
2975 the '-extensions ...' option may be used for specifying the
2977 [Massimiliano Pala <madwolf@comune.modena.it>]
2979 *) New OCSP utility. Allows OCSP requests to be generated or
2980 read. The request can be sent to a responder and the output
2981 parsed, outputed or printed in text form. Not complete yet:
2982 still needs to check the OCSP response validity.
2985 *) New subcommands for 'openssl ca':
2986 'openssl ca -status <serial>' prints the status of the cert with
2987 the given serial number (according to the index file).
2988 'openssl ca -updatedb' updates the expiry status of certificates
2990 [Massimiliano Pala <madwolf@comune.modena.it>]
2992 *) New '-newreq-nodes' command option to CA.pl. This is like
2993 '-newreq', but calls 'openssl req' with the '-nodes' option
2994 so that the resulting key is not encrypted.
2995 [Damien Miller <djm@mindrot.org>]
2997 *) New configuration for the GNU Hurd.
2998 [Jonathan Bartlett <johnnyb@wolfram.com> via Richard Levitte]
3000 *) Initial code to implement OCSP basic response verify. This
3001 is currently incomplete. Currently just finds the signer's
3002 certificate and verifies the signature on the response.
3005 *) New SSLeay_version code SSLEAY_DIR to determine the compiled-in
3006 value of OPENSSLDIR. This is available via the new '-d' option
3007 to 'openssl version', and is also included in 'openssl version -a'.
3010 *) Allowing defining memory allocation callbacks that will be given
3011 file name and line number information in additional arguments
3012 (a const char* and an int). The basic functionality remains, as
3013 well as the original possibility to just replace malloc(),
3014 realloc() and free() by functions that do not know about these
3015 additional arguments. To register and find out the current
3016 settings for extended allocation functions, the following
3017 functions are provided:
3019 CRYPTO_set_mem_ex_functions
3020 CRYPTO_set_locked_mem_ex_functions
3021 CRYPTO_get_mem_ex_functions
3022 CRYPTO_get_locked_mem_ex_functions
3024 These work the same way as CRYPTO_set_mem_functions and friends.
3025 CRYPTO_get_[locked_]mem_functions now writes 0 where such an
3026 extended allocation function is enabled.
3027 Similarly, CRYPTO_get_[locked_]mem_ex_functions writes 0 where
3028 a conventional allocation function is enabled.
3029 [Richard Levitte, Bodo Moeller]
3031 *) Finish off removing the remaining LHASH function pointer casts.
3032 There should no longer be any prototype-casting required when using
3033 the LHASH abstraction, and any casts that remain are "bugs". See
3034 the callback types and macros at the head of lhash.h for details
3035 (and "OBJ_cleanup" in crypto/objects/obj_dat.c as an example).
3038 *) Add automatic query of EGD sockets in RAND_poll() for the unix variant.
3039 If /dev/[u]random devices are not available or do not return enough
3040 entropy, EGD style sockets (served by EGD or PRNGD) will automatically
3042 The locations /var/run/egd-pool, /dev/egd-pool, /etc/egd-pool, and
3043 /etc/entropy will be queried once each in this sequence, quering stops
3044 when enough entropy was collected without querying more sockets.
3047 *) Change the Unix RAND_poll() variant to be able to poll several
3048 random devices, as specified by DEVRANDOM, until a sufficient amount
3049 of data has been collected. We spend at most 10 ms on each file
3050 (select timeout) and read in non-blocking mode. DEVRANDOM now
3051 defaults to the list "/dev/urandom", "/dev/random", "/dev/srandom"
3052 (previously it was just the string "/dev/urandom"), so on typical
3053 platforms the 10 ms delay will never occur.
3054 Also separate out the Unix variant to its own file, rand_unix.c.
3055 For VMS, there's a currently-empty rand_vms.c.
3058 *) Move OCSP client related routines to ocsp_cl.c. These
3059 provide utility functions which an application needing
3060 to issue a request to an OCSP responder and analyse the
3061 response will typically need: as opposed to those which an
3062 OCSP responder itself would need which will be added later.
3064 OCSP_request_sign() signs an OCSP request with an API similar
3065 to PKCS7_sign(). OCSP_response_status() returns status of OCSP
3066 response. OCSP_response_get1_basic() extracts basic response
3067 from response. OCSP_resp_find_status(): finds and extracts status
3068 information from an OCSP_CERTID structure (which will be created
3069 when the request structure is built). These are built from lower
3070 level functions which work on OCSP_SINGLERESP structures but
3071 wont normally be used unless the application wishes to examine
3072 extensions in the OCSP response for example.
3074 Replace nonce routines with a pair of functions.
3075 OCSP_request_add1_nonce() adds a nonce value and optionally
3076 generates a random value. OCSP_check_nonce() checks the
3077 validity of the nonce in an OCSP response.
3080 *) Change function OCSP_request_add() to OCSP_request_add0_id().
3081 This doesn't copy the supplied OCSP_CERTID and avoids the
3082 need to free up the newly created id. Change return type
3083 to OCSP_ONEREQ to return the internal OCSP_ONEREQ structure.
3084 This can then be used to add extensions to the request.
3085 Deleted OCSP_request_new(), since most of its functionality
3086 is now in OCSP_REQUEST_new() (and the case insensitive name
3087 clash) apart from the ability to set the request name which
3088 will be added elsewhere.
3091 *) Update OCSP API. Remove obsolete extensions argument from
3092 various functions. Extensions are now handled using the new
3093 OCSP extension code. New simple OCSP HTTP function which
3094 can be used to send requests and parse the response.
3097 *) Fix the PKCS#7 (S/MIME) code to work with new ASN1. Two new
3098 ASN1_ITEM structures help with sign and verify. PKCS7_ATTR_SIGN
3099 uses the special reorder version of SET OF to sort the attributes
3100 and reorder them to match the encoded order. This resolves a long
3101 standing problem: a verify on a PKCS7 structure just after signing
3102 it used to fail because the attribute order did not match the
3103 encoded order. PKCS7_ATTR_VERIFY does not reorder the attributes:
3104 it uses the received order. This is necessary to tolerate some broken
3105 software that does not order SET OF. This is handled by encoding
3106 as a SEQUENCE OF but using implicit tagging (with UNIVERSAL class)
3107 to produce the required SET OF.
3110 *) Have mk1mf.pl generate the macros OPENSSL_BUILD_SHLIBCRYPTO and
3111 OPENSSL_BUILD_SHLIBSSL and use them appropriately in the header
3112 files to get correct declarations of the ASN.1 item variables.
3115 *) Rewrite of PKCS#12 code to use new ASN1 functionality. Replace many
3116 PKCS#12 macros with real functions. Fix two unrelated ASN1 bugs:
3117 asn1_check_tlen() would sometimes attempt to use 'ctx' when it was
3118 NULL and ASN1_TYPE was not dereferenced properly in asn1_ex_c2i().
3119 New ASN1 macro: DECLARE_ASN1_ITEM() which just declares the relevant
3120 ASN1_ITEM and no wrapper functions.
3123 *) New functions or ASN1_item_d2i_fp() and ASN1_item_d2i_bio(). These
3124 replace the old function pointer based I/O routines. Change most of
3125 the *_d2i_bio() and *_d2i_fp() functions to use these.
3128 *) Enhance mkdef.pl to be more accepting about spacing in C preprocessor
3129 lines, recognice more "algorithms" that can be deselected, and make
3130 it complain about algorithm deselection that isn't recognised.
3133 *) New ASN1 functions to handle dup, sign, verify, digest, pack and
3134 unpack operations in terms of ASN1_ITEM. Modify existing wrappers
3135 to use new functions. Add NO_ASN1_OLD which can be set to remove
3136 some old style ASN1 functions: this can be used to determine if old
3137 code will still work when these eventually go away.
3140 *) New extension functions for OCSP structures, these follow the
3141 same conventions as certificates and CRLs.
3144 *) New function X509V3_add1_i2d(). This automatically encodes and
3145 adds an extension. Its behaviour can be customised with various
3146 flags to append, replace or delete. Various wrappers added for
3147 certifcates and CRLs.
3150 *) Fix to avoid calling the underlying ASN1 print routine when
3151 an extension cannot be parsed. Correct a typo in the
3152 OCSP_SERVICELOC extension. Tidy up print OCSP format.
3155 *) Make mkdef.pl parse some of the ASN1 macros and add apropriate
3156 entries for variables.
3159 *) Add functionality to apps/openssl.c for detecting locking
3160 problems: As the program is single-threaded, all we have
3161 to do is register a locking callback using an array for
3162 storing which locks are currently held by the program.
3165 *) Use a lock around the call to CRYPTO_get_ex_new_index() in
3166 SSL_get_ex_data_X509_STORE_idx(), which is used in
3167 ssl_verify_cert_chain() and thus can be called at any time
3168 during TLS/SSL handshakes so that thread-safety is essential.
3169 Unfortunately, the ex_data design is not at all suited
3170 for multi-threaded use, so it probably should be abolished.
3173 *) Added Broadcom "ubsec" ENGINE to OpenSSL.
3174 [Broadcom, tweaked and integrated by Geoff Thorpe]
3176 *) Move common extension printing code to new function
3177 X509V3_print_extensions(). Reorganise OCSP print routines and
3178 implement some needed OCSP ASN1 functions. Add OCSP extensions.
3181 *) New function X509_signature_print() to remove duplication in some
3185 *) Add a special meaning when SET OF and SEQUENCE OF flags are both
3186 set (this was treated exactly the same as SET OF previously). This
3187 is used to reorder the STACK representing the structure to match the
3188 encoding. This will be used to get round a problem where a PKCS7
3189 structure which was signed could not be verified because the STACK
3190 order did not reflect the encoded order.
3193 *) Reimplement the OCSP ASN1 module using the new code.
3196 *) Update the X509V3 code to permit the use of an ASN1_ITEM structure
3197 for its ASN1 operations. The old style function pointers still exist
3198 for now but they will eventually go away.
3201 *) Merge in replacement ASN1 code from the ASN1 branch. This almost
3202 completely replaces the old ASN1 functionality with a table driven
3203 encoder and decoder which interprets an ASN1_ITEM structure describing
3204 the ASN1 module. Compatibility with the existing ASN1 API (i2d,d2i) is
3205 largely maintained. Almost all of the old asn1_mac.h macro based ASN1
3206 has also been converted to the new form.
3209 *) Change BN_mod_exp_recp so that negative moduli are tolerated
3210 (the sign is ignored). Similarly, ignore the sign in BN_MONT_CTX_set
3211 so that BN_mod_exp_mont and BN_mod_exp_mont_word work
3212 for negative moduli.
3215 *) Fix BN_uadd and BN_usub: Always return non-negative results instead
3216 of not touching the result's sign bit.
3219 *) BN_div bugfix: If the result is 0, the sign (res->neg) must not be
3223 *) Changed the LHASH code to use prototypes for callbacks, and created
3224 macros to declare and implement thin (optionally static) functions
3225 that provide type-safety and avoid function pointer casting for the
3226 type-specific callbacks.
3229 *) Added Kerberos Cipher Suites to be used with TLS, as written in
3231 [Veers Staats <staatsvr@asc.hpc.mil>,
3232 Jeffrey Altman <jaltman@columbia.edu>, via Richard Levitte]
3234 *) Reformat the FAQ so the different questions and answers can be divided
3235 in sections depending on the subject.
3238 *) Have the zlib compression code load ZLIB.DLL dynamically under
3242 *) New function BN_mod_sqrt for computing square roots modulo a prime
3243 (using the probabilistic Tonelli-Shanks algorithm unless
3244 p == 3 (mod 4) or p == 5 (mod 8), which are cases that can
3245 be handled deterministically).
3246 [Lenka Fibikova <fibikova@exp-math.uni-essen.de>, Bodo Moeller]
3248 *) Make BN_mod_inverse faster by explicitly handling small quotients
3249 in the Euclid loop. (Speed gain about 20% for small moduli [256 or
3250 512 bits], about 30% for larger ones [1024 or 2048 bits].)
3253 *) New function BN_kronecker.
3256 *) Fix BN_gcd so that it works on negative inputs; the result is
3257 positive unless both parameters are zero.
3258 Previously something reasonably close to an infinite loop was
3259 possible because numbers could be growing instead of shrinking
3260 in the implementation of Euclid's algorithm.
3263 *) Fix BN_is_word() and BN_is_one() macros to take into account the
3264 sign of the number in question.
3266 Fix BN_is_word(a,w) to work correctly for w == 0.
3268 The old BN_is_word(a,w) macro is now called BN_abs_is_word(a,w)
3269 because its test if the absolute value of 'a' equals 'w'.
3270 Note that BN_abs_is_word does *not* handle w == 0 reliably;
3271 it exists mostly for use in the implementations of BN_is_zero(),
3272 BN_is_one(), and BN_is_word().
3275 *) New function BN_swap.
3278 *) Use BN_nnmod instead of BN_mod in crypto/bn/bn_exp.c so that
3279 the exponentiation functions are more likely to produce reasonable
3280 results on negative inputs.
3283 *) Change BN_mod_mul so that the result is always non-negative.
3284 Previously, it could be negative if one of the factors was negative;
3285 I don't think anyone really wanted that behaviour.
3288 *) Move BN_mod_... functions into new file crypto/bn/bn_mod.c
3289 (except for exponentiation, which stays in crypto/bn/bn_exp.c,
3290 and BN_mod_mul_reciprocal, which stays in crypto/bn/bn_recp.c)
3291 and add new functions:
3300 BN_mod_lshift1_quick
3304 These functions always generate non-negative results.
3306 BN_nnmod otherwise is like BN_mod (if BN_mod computes a remainder r
3307 such that |m| < r < 0, BN_nnmod will output rem + |m| instead).
3309 BN_mod_XXX_quick(r, a, [b,] m) generates the same result as
3310 BN_mod_XXX(r, a, [b,] m, ctx), but requires that a [and b]
3311 be reduced modulo m.
3312 [Lenka Fibikova <fibikova@exp-math.uni-essen.de>, Bodo Moeller]
3315 The following entry accidentily appeared in the CHANGES file
3316 distributed with OpenSSL 0.9.7. The modifications described in
3317 it do *not* apply to OpenSSL 0.9.7.
3319 *) Remove a few calls to bn_wexpand() in BN_sqr() (the one in there
3320 was actually never needed) and in BN_mul(). The removal in BN_mul()
3321 required a small change in bn_mul_part_recursive() and the addition
3322 of the functions bn_cmp_part_words(), bn_sub_part_words() and
3323 bn_add_part_words(), which do the same thing as bn_cmp_words(),
3324 bn_sub_words() and bn_add_words() except they take arrays with
3329 *) In 'openssl passwd', verify passwords read from the terminal
3330 unless the '-salt' option is used (which usually means that
3331 verification would just waste user's time since the resulting
3332 hash is going to be compared with some given password hash)
3333 or the new '-noverify' option is used.
3335 This is an incompatible change, but it does not affect
3336 non-interactive use of 'openssl passwd' (passwords on the command
3337 line, '-stdin' option, '-in ...' option) and thus should not
3341 *) Remove all references to RSAref, since there's no more need for it.
3344 *) Make DSO load along a path given through an environment variable
3345 (SHLIB_PATH) with shl_load().
3348 *) Constify the ENGINE code as a result of BIGNUM constification.
3349 Also constify the RSA code and most things related to it. In a
3350 few places, most notable in the depth of the ASN.1 code, ugly
3351 casts back to non-const were required (to be solved at a later
3355 *) Make it so the openssl application has all engines loaded by default.
3358 *) Constify the BIGNUM routines a little more.
3361 *) Add the following functions:
3363 ENGINE_load_cswift()
3365 ENGINE_load_atalla()
3367 ENGINE_load_builtin_engines()
3369 That way, an application can itself choose if external engines that
3370 are built-in in OpenSSL shall ever be used or not. The benefit is
3371 that applications won't have to be linked with libdl or other dso
3372 libraries unless it's really needed.
3374 Changed 'openssl engine' to load all engines on demand.
3375 Changed the engine header files to avoid the duplication of some
3376 declarations (they differed!).
3379 *) 'openssl engine' can now list capabilities.
3382 *) Better error reporting in 'openssl engine'.
3385 *) Never call load_dh_param(NULL) in s_server.
3388 *) Add engine application. It can currently list engines by name and
3389 identity, and test if they are actually available.
3392 *) Improve RPM specification file by forcing symbolic linking and making
3393 sure the installed documentation is also owned by root.root.
3394 [Damien Miller <djm@mindrot.org>]
3396 *) Give the OpenSSL applications more possibilities to make use of
3397 keys (public as well as private) handled by engines.
3400 *) Add OCSP code that comes from CertCo.
3403 *) Add VMS support for the Rijndael code.
3406 *) Added untested support for Nuron crypto accelerator.
3409 *) Add support for external cryptographic devices. This code was
3410 previously distributed separately as the "engine" branch.
3411 [Geoff Thorpe, Richard Levitte]
3413 *) Rework the filename-translation in the DSO code. It is now possible to
3414 have far greater control over how a "name" is turned into a filename
3415 depending on the operating environment and any oddities about the
3416 different shared library filenames on each system.
3419 *) Support threads on FreeBSD-elf in Configure.
3422 *) Fix for SHA1 assembly problem with MASM: it produces
3423 warnings about corrupt line number information when assembling
3424 with debugging information. This is caused by the overlapping
3426 [Bernd Matthes <mainbug@celocom.de>, Steve Henson]
3429 NCONF_get_number() has no error checking at all. As a replacement,
3430 NCONF_get_number_e() is defined (_e for "error checking") and is
3431 promoted strongly. The old NCONF_get_number is kept around for
3432 binary backward compatibility.
3433 Make it possible for methods to load from something other than a BIO,
3434 by providing a function pointer that is given a name instead of a BIO.
3435 For example, this could be used to load configuration data from an
3439 *) Fix for non blocking accept BIOs. Added new I/O special reason
3440 BIO_RR_ACCEPT to cover this case. Previously use of accept BIOs
3441 with non blocking I/O was not possible because no retry code was
3442 implemented. Also added new SSL code SSL_WANT_ACCEPT to cover
3446 *) Added the beginnings of Rijndael support.
3449 *) Fix for bug in DirectoryString mask setting. Add support for
3450 X509_NAME_print_ex() in 'req' and X509_print_ex() function
3451 to allow certificate printing to more controllable, additional
3452 'certopt' option to 'x509' to allow new printing options to be
3456 *) Clean old EAY MD5 hack from e_os.h.
3459 Changes between 0.9.6l and 0.9.6m [17 Mar 2004]
3461 *) Fix null-pointer assignment in do_change_cipher_spec() revealed
3462 by using the Codenomicon TLS Test Tool (CVE-2004-0079)
3463 [Joe Orton, Steve Henson]
3465 Changes between 0.9.6k and 0.9.6l [04 Nov 2003]
3467 *) Fix additional bug revealed by the NISCC test suite:
3469 Stop bug triggering large recursion when presented with
3470 certain ASN.1 tags (CVE-2003-0851)
3473 Changes between 0.9.6j and 0.9.6k [30 Sep 2003]
3475 *) Fix various bugs revealed by running the NISCC test suite:
3477 Stop out of bounds reads in the ASN1 code when presented with
3478 invalid tags (CVE-2003-0543 and CVE-2003-0544).
3480 If verify callback ignores invalid public key errors don't try to check
3481 certificate signature with the NULL public key.
3485 *) In ssl3_accept() (ssl/s3_srvr.c) only accept a client certificate
3486 if the server requested one: as stated in TLS 1.0 and SSL 3.0
3490 *) In ssl3_get_client_hello() (ssl/s3_srvr.c), tolerate additional
3491 extra data after the compression methods not only for TLS 1.0
3492 but also for SSL 3.0 (as required by the specification).
3493 [Bodo Moeller; problem pointed out by Matthias Loepfe]
3495 *) Change X509_certificate_type() to mark the key as exported/exportable
3496 when it's 512 *bits* long, not 512 bytes.
3499 Changes between 0.9.6i and 0.9.6j [10 Apr 2003]
3501 *) Countermeasure against the Klima-Pokorny-Rosa extension of
3502 Bleichbacher's attack on PKCS #1 v1.5 padding: treat
3503 a protocol version number mismatch like a decryption error
3504 in ssl3_get_client_key_exchange (ssl/s3_srvr.c).
3507 *) Turn on RSA blinding by default in the default implementation
3508 to avoid a timing attack. Applications that don't want it can call
3509 RSA_blinding_off() or use the new flag RSA_FLAG_NO_BLINDING.
3510 They would be ill-advised to do so in most cases.
3511 [Ben Laurie, Steve Henson, Geoff Thorpe, Bodo Moeller]
3513 *) Change RSA blinding code so that it works when the PRNG is not
3514 seeded (in this case, the secret RSA exponent is abused as
3515 an unpredictable seed -- if it is not unpredictable, there
3516 is no point in blinding anyway). Make RSA blinding thread-safe
3517 by remembering the creator's thread ID in rsa->blinding and
3518 having all other threads use local one-time blinding factors
3519 (this requires more computation than sharing rsa->blinding, but
3520 avoids excessive locking; and if an RSA object is not shared
3521 between threads, blinding will still be very fast).
3524 Changes between 0.9.6h and 0.9.6i [19 Feb 2003]
3526 *) In ssl3_get_record (ssl/s3_pkt.c), minimize information leaked
3527 via timing by performing a MAC computation even if incorrrect
3528 block cipher padding has been found. This is a countermeasure
3529 against active attacks where the attacker has to distinguish
3530 between bad padding and a MAC verification error. (CVE-2003-0078)
3532 [Bodo Moeller; problem pointed out by Brice Canvel (EPFL),
3533 Alain Hiltgen (UBS), Serge Vaudenay (EPFL), and
3534 Martin Vuagnoux (EPFL, Ilion)]
3536 Changes between 0.9.6g and 0.9.6h [5 Dec 2002]
3538 *) New function OPENSSL_cleanse(), which is used to cleanse a section of
3539 memory from it's contents. This is done with a counter that will
3540 place alternating values in each byte. This can be used to solve
3541 two issues: 1) the removal of calls to memset() by highly optimizing
3542 compilers, and 2) cleansing with other values than 0, since those can
3543 be read through on certain media, for example a swap space on disk.
3546 *) Bugfix: client side session caching did not work with external caching,
3547 because the session->cipher setting was not restored when reloading
3548 from the external cache. This problem was masked, when
3549 SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG (part of SSL_OP_ALL) was set.
3550 (Found by Steve Haslam <steve@araqnid.ddts.net>.)
3553 *) Fix client_certificate (ssl/s2_clnt.c): The permissible total
3554 length of the REQUEST-CERTIFICATE message is 18 .. 34, not 17 .. 33.
3555 [Zeev Lieber <zeev-l@yahoo.com>]
3557 *) Undo an undocumented change introduced in 0.9.6e which caused
3558 repeated calls to OpenSSL_add_all_ciphers() and
3559 OpenSSL_add_all_digests() to be ignored, even after calling
3563 *) Change the default configuration reader to deal with last line not
3564 being properly terminated.
3567 *) Change X509_NAME_cmp() so it applies the special rules on handling
3568 DN values that are of type PrintableString, as well as RDNs of type
3569 emailAddress where the value has the type ia5String.
3570 [stefank@valicert.com via Richard Levitte]
3572 *) Add a SSL_SESS_CACHE_NO_INTERNAL_STORE flag to take over half
3573 the job SSL_SESS_CACHE_NO_INTERNAL_LOOKUP was inconsistently
3574 doing, define a new flag (SSL_SESS_CACHE_NO_INTERNAL) to be
3575 the bitwise-OR of the two for use by the majority of applications
3576 wanting this behaviour, and update the docs. The documented
3577 behaviour and actual behaviour were inconsistent and had been
3578 changing anyway, so this is more a bug-fix than a behavioural
3580 [Geoff Thorpe, diagnosed by Nadav Har'El]
3582 *) Don't impose a 16-byte length minimum on session IDs in ssl/s3_clnt.c
3583 (the SSL 3.0 and TLS 1.0 specifications allow any length up to 32 bytes).
3586 *) Fix initialization code race conditions in
3587 SSLv23_method(), SSLv23_client_method(), SSLv23_server_method(),
3588 SSLv2_method(), SSLv2_client_method(), SSLv2_server_method(),
3589 SSLv3_method(), SSLv3_client_method(), SSLv3_server_method(),
3590 TLSv1_method(), TLSv1_client_method(), TLSv1_server_method(),
3591 ssl2_get_cipher_by_char(),
3592 ssl3_get_cipher_by_char().
3593 [Patrick McCormick <patrick@tellme.com>, Bodo Moeller]
3595 *) Reorder cleanup sequence in SSL_CTX_free(): only remove the ex_data after
3596 the cached sessions are flushed, as the remove_cb() might use ex_data
3597 contents. Bug found by Sam Varshavchik <mrsam@courier-mta.com>
3598 (see [openssl.org #212]).
3599 [Geoff Thorpe, Lutz Jaenicke]
3601 *) Fix typo in OBJ_txt2obj which incorrectly passed the content
3602 length, instead of the encoding length to d2i_ASN1_OBJECT.
3605 Changes between 0.9.6f and 0.9.6g [9 Aug 2002]
3607 *) [In 0.9.6g-engine release:]
3608 Fix crypto/engine/vendor_defns/cswift.h for WIN32 (use '_stdcall').
3609 [Lynn Gazis <lgazis@rainbow.com>]
3611 Changes between 0.9.6e and 0.9.6f [8 Aug 2002]
3613 *) Fix ASN1 checks. Check for overflow by comparing with LONG_MAX
3614 and get fix the header length calculation.
3615 [Florian Weimer <Weimer@CERT.Uni-Stuttgart.DE>,
3616 Alon Kantor <alonk@checkpoint.com> (and others),
3619 *) Use proper error handling instead of 'assertions' in buffer
3620 overflow checks added in 0.9.6e. This prevents DoS (the
3621 assertions could call abort()).
3622 [Arne Ansper <arne@ats.cyber.ee>, Bodo Moeller]
3624 Changes between 0.9.6d and 0.9.6e [30 Jul 2002]
3626 *) Add various sanity checks to asn1_get_length() to reject
3627 the ASN1 length bytes if they exceed sizeof(long), will appear
3628 negative or the content length exceeds the length of the
3630 [Steve Henson, Adi Stav <stav@mercury.co.il>, James Yonan <jim@ntlp.com>]
3632 *) Fix cipher selection routines: ciphers without encryption had no flags
3633 for the cipher strength set and where therefore not handled correctly
3634 by the selection routines (PR #130).
3637 *) Fix EVP_dsa_sha macro.
3641 SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS
3642 for disabling the SSL 3.0/TLS 1.0 CBC vulnerability countermeasure
3643 that was added in OpenSSL 0.9.6d.
3645 As the countermeasure turned out to be incompatible with some
3646 broken SSL implementations, the new option is part of SSL_OP_ALL.
3647 SSL_OP_ALL is usually employed when compatibility with weird SSL
3648 implementations is desired (e.g. '-bugs' option to 's_client' and
3649 's_server'), so the new option is automatically set in many
3653 *) Changes in security patch:
3655 Changes marked "(CHATS)" were sponsored by the Defense Advanced
3656 Research Projects Agency (DARPA) and Air Force Research Laboratory,
3657 Air Force Materiel Command, USAF, under agreement number
3660 *) Add various sanity checks to asn1_get_length() to reject
3661 the ASN1 length bytes if they exceed sizeof(long), will appear
3662 negative or the content length exceeds the length of the
3663 supplied buffer. (CVE-2002-0659)
3664 [Steve Henson, Adi Stav <stav@mercury.co.il>, James Yonan <jim@ntlp.com>]
3666 *) Assertions for various potential buffer overflows, not known to
3668 [Ben Laurie (CHATS)]
3670 *) Various temporary buffers to hold ASCII versions of integers were
3671 too small for 64 bit platforms. (CVE-2002-0655)
3672 [Matthew Byng-Maddick <mbm@aldigital.co.uk> and Ben Laurie (CHATS)>
3674 *) Remote buffer overflow in SSL3 protocol - an attacker could
3675 supply an oversized session ID to a client. (CVE-2002-0656)
3676 [Ben Laurie (CHATS)]
3678 *) Remote buffer overflow in SSL2 protocol - an attacker could
3679 supply an oversized client master key. (CVE-2002-0656)
3680 [Ben Laurie (CHATS)]
3682 Changes between 0.9.6c and 0.9.6d [9 May 2002]
3684 *) Fix crypto/asn1/a_sign.c so that 'parameters' is omitted (not
3685 encoded as NULL) with id-dsa-with-sha1.
3686 [Nils Larsch <nla@trustcenter.de>; problem pointed out by Bodo Moeller]
3688 *) Check various X509_...() return values in apps/req.c.
3689 [Nils Larsch <nla@trustcenter.de>]
3691 *) Fix BASE64 decode (EVP_DecodeUpdate) for data with CR/LF ended lines:
3692 an end-of-file condition would erronously be flagged, when the CRLF
3693 was just at the end of a processed block. The bug was discovered when
3694 processing data through a buffering memory BIO handing the data to a
3695 BASE64-decoding BIO. Bug fund and patch submitted by Pavel Tsekov
3696 <ptsekov@syntrex.com> and Nedelcho Stanev.
3699 *) Implement a countermeasure against a vulnerability recently found
3700 in CBC ciphersuites in SSL 3.0/TLS 1.0: Send an empty fragment
3701 before application data chunks to avoid the use of known IVs
3702 with data potentially chosen by the attacker.
3705 *) Fix length checks in ssl3_get_client_hello().
3708 *) TLS/SSL library bugfix: use s->s3->in_read_app_data differently
3709 to prevent ssl3_read_internal() from incorrectly assuming that
3710 ssl3_read_bytes() found application data while handshake
3711 processing was enabled when in fact s->s3->in_read_app_data was
3712 merely automatically cleared during the initial handshake.
3713 [Bodo Moeller; problem pointed out by Arne Ansper <arne@ats.cyber.ee>]
3715 *) Fix object definitions for Private and Enterprise: they were not
3716 recognized in their shortname (=lowercase) representation. Extend
3717 obj_dat.pl to issue an error when using undefined keywords instead
3718 of silently ignoring the problem (Svenning Sorensen
3719 <sss@sss.dnsalias.net>).
3722 *) Fix DH_generate_parameters() so that it works for 'non-standard'
3723 generators, i.e. generators other than 2 and 5. (Previously, the
3724 code did not properly initialise the 'add' and 'rem' values to
3725 BN_generate_prime().)
3727 In the new general case, we do not insist that 'generator' is
3728 actually a primitive root: This requirement is rather pointless;
3729 a generator of the order-q subgroup is just as good, if not
3733 *) Map new X509 verification errors to alerts. Discovered and submitted by
3734 Tom Wu <tom@arcot.com>.
3737 *) Fix ssl3_pending() (ssl/s3_lib.c) to prevent SSL_pending() from
3738 returning non-zero before the data has been completely received
3739 when using non-blocking I/O.
3740 [Bodo Moeller; problem pointed out by John Hughes]
3742 *) Some of the ciphers missed the strength entry (SSL_LOW etc).
3743 [Ben Laurie, Lutz Jaenicke]
3745 *) Fix bug in SSL_clear(): bad sessions were not removed (found by
3746 Yoram Zahavi <YoramZ@gilian.com>).
3749 *) Add information about CygWin 1.3 and on, and preserve proper
3750 configuration for the versions before that.
3751 [Corinna Vinschen <vinschen@redhat.com> and Richard Levitte]
3753 *) Make removal from session cache (SSL_CTX_remove_session()) more robust:
3754 check whether we deal with a copy of a session and do not delete from
3755 the cache in this case. Problem reported by "Izhar Shoshani Levi"
3756 <izhar@checkpoint.com>.
3759 *) Do not store session data into the internal session cache, if it
3760 is never intended to be looked up (SSL_SESS_CACHE_NO_INTERNAL_LOOKUP
3761 flag is set). Proposed by Aslam <aslam@funk.com>.
3764 *) Have ASN1_BIT_STRING_set_bit() really clear a bit when the requested
3768 *) [In 0.9.6d-engine release:]
3769 Fix a crashbug and a logic bug in hwcrhk_load_pubkey().
3770 [Toomas Kiisk <vix@cyber.ee> via Richard Levitte]
3772 *) Add the configuration target linux-s390x.
3773 [Neale Ferguson <Neale.Ferguson@SoftwareAG-USA.com> via Richard Levitte]
3775 *) The earlier bugfix for the SSL3_ST_SW_HELLO_REQ_C case of
3776 ssl3_accept (ssl/s3_srvr.c) incorrectly used a local flag
3777 variable as an indication that a ClientHello message has been
3778 received. As the flag value will be lost between multiple
3779 invocations of ssl3_accept when using non-blocking I/O, the
3780 function may not be aware that a handshake has actually taken
3781 place, thus preventing a new session from being added to the
3784 To avoid this problem, we now set s->new_session to 2 instead of
3785 using a local variable.
3786 [Lutz Jaenicke, Bodo Moeller]
3788 *) Bugfix: Return -1 from ssl3_get_server_done (ssl3/s3_clnt.c)
3789 if the SSL_R_LENGTH_MISMATCH error is detected.
3790 [Geoff Thorpe, Bodo Moeller]
3792 *) New 'shared_ldflag' column in Configure platform table.
3795 *) Fix EVP_CIPHER_mode macro.
3796 ["Dan S. Camper" <dan@bti.net>]
3798 *) Fix ssl3_read_bytes (ssl/s3_pkt.c): To ignore messages of unknown
3799 type, we must throw them away by setting rr->length to 0.
3800 [D P Chang <dpc@qualys.com>]
3802 Changes between 0.9.6b and 0.9.6c [21 dec 2001]
3804 *) Fix BN_rand_range bug pointed out by Dominikus Scherkl
3805 <Dominikus.Scherkl@biodata.com>. (The previous implementation
3806 worked incorrectly for those cases where range = 10..._2 and
3807 3*range is two bits longer than range.)
3810 *) Only add signing time to PKCS7 structures if it is not already
3814 *) Fix crypto/objects/objects.h: "ld-ce" should be "id-ce",
3815 OBJ_ld_ce should be OBJ_id_ce.
3816 Also some ip-pda OIDs in crypto/objects/objects.txt were
3817 incorrect (cf. RFC 3039).
3818 [Matt Cooper, Frederic Giudicelli, Bodo Moeller]
3820 *) Release CRYPTO_LOCK_DYNLOCK when CRYPTO_destroy_dynlockid()
3821 returns early because it has nothing to do.
3822 [Andy Schneider <andy.schneider@bjss.co.uk>]
3824 *) [In 0.9.6c-engine release:]
3825 Fix mutex callback return values in crypto/engine/hw_ncipher.c.
3826 [Andy Schneider <andy.schneider@bjss.co.uk>]
3828 *) [In 0.9.6c-engine release:]
3829 Add support for Cryptographic Appliance's keyserver technology.
3830 (Use engine 'keyclient')
3831 [Cryptographic Appliances and Geoff Thorpe]
3833 *) Add a configuration entry for OS/390 Unix. The C compiler 'c89'
3834 is called via tools/c89.sh because arguments have to be
3835 rearranged (all '-L' options must appear before the first object
3837 [Richard Shapiro <rshapiro@abinitio.com>]
3839 *) [In 0.9.6c-engine release:]
3840 Add support for Broadcom crypto accelerator cards, backported
3842 [Broadcom, Nalin Dahyabhai <nalin@redhat.com>, Mark Cox]
3844 *) [In 0.9.6c-engine release:]
3845 Add support for SureWare crypto accelerator cards from
3846 Baltimore Technologies. (Use engine 'sureware')
3847 [Baltimore Technologies and Mark Cox]
3849 *) [In 0.9.6c-engine release:]
3850 Add support for crypto accelerator cards from Accelerated
3851 Encryption Processing, www.aep.ie. (Use engine 'aep')
3852 [AEP Inc. and Mark Cox]
3854 *) Add a configuration entry for gcc on UnixWare.
3855 [Gary Benson <gbenson@redhat.com>]
3857 *) Change ssl/s2_clnt.c and ssl/s2_srvr.c so that received handshake
3858 messages are stored in a single piece (fixed-length part and
3859 variable-length part combined) and fix various bugs found on the way.
3862 *) Disable caching in BIO_gethostbyname(), directly use gethostbyname()
3863 instead. BIO_gethostbyname() does not know what timeouts are
3864 appropriate, so entries would stay in cache even when they have
3866 [Bodo Moeller; problem pointed out by Rich Salz <rsalz@zolera.com>
3868 *) Change ssl23_get_client_hello (ssl/s23_srvr.c) behaviour when
3869 faced with a pathologically small ClientHello fragment that does
3870 not contain client_version: Instead of aborting with an error,
3871 simply choose the highest available protocol version (i.e.,
3872 TLS 1.0 unless it is disabled). In practice, ClientHello
3873 messages are never sent like this, but this change gives us
3874 strictly correct behaviour at least for TLS.
3877 *) Fix SSL handshake functions and SSL_clear() such that SSL_clear()
3878 never resets s->method to s->ctx->method when called from within
3879 one of the SSL handshake functions.
3880 [Bodo Moeller; problem pointed out by Niko Baric]
3882 *) In ssl3_get_client_hello (ssl/s3_srvr.c), generate a fatal alert
3883 (sent using the client's version number) if client_version is
3884 smaller than the protocol version in use. Also change
3885 ssl23_get_client_hello (ssl/s23_srvr.c) to select TLS 1.0 if
3886 the client demanded SSL 3.0 but only TLS 1.0 is enabled; then
3887 the client will at least see that alert.
3890 *) Fix ssl3_get_message (ssl/s3_both.c) to handle message fragmentation
3894 *) Avoid infinite loop in ssl3_get_message (ssl/s3_both.c) if a
3895 client receives HelloRequest while in a handshake.
3896 [Bodo Moeller; bug noticed by Andy Schneider <andy.schneider@bjss.co.uk>]
3898 *) Bugfix in ssl3_accept (ssl/s3_srvr.c): Case SSL3_ST_SW_HELLO_REQ_C
3899 should end in 'break', not 'goto end' which circuments various
3900 cleanups done in state SSL_ST_OK. But session related stuff
3901 must be disabled for SSL_ST_OK in the case that we just sent a
3904 Also avoid some overhead by not calling ssl_init_wbio_buffer()
3905 before just sending a HelloRequest.
3906 [Bodo Moeller, Eric Rescorla <ekr@rtfm.com>]
3908 *) Fix ssl/s3_enc.c, ssl/t1_enc.c and ssl/s3_pkt.c so that we don't
3909 reveal whether illegal block cipher padding was found or a MAC
3910 verification error occured. (Neither SSLerr() codes nor alerts
3911 are directly visible to potential attackers, but the information
3912 may leak via logfiles.)
3914 Similar changes are not required for the SSL 2.0 implementation
3915 because the number of padding bytes is sent in clear for SSL 2.0,
3916 and the extra bytes are just ignored. However ssl/s2_pkt.c
3917 failed to verify that the purported number of padding bytes is in
3921 *) Add OpenUNIX-8 support including shared libraries
3922 (Boyd Lynn Gerber <gerberb@zenez.com>).
3925 *) Improve RSA_padding_check_PKCS1_OAEP() check again to avoid
3926 'wristwatch attack' using huge encoding parameters (cf.
3927 James H. Manger's CRYPTO 2001 paper). Note that the
3928 RSA_PKCS1_OAEP_PADDING case of RSA_private_decrypt() does not use
3929 encoding parameters and hence was not vulnerable.
3932 *) BN_sqr() bug fix.
3933 [Ulf Möller, reported by Jim Ellis <jim.ellis@cavium.com>]
3935 *) Rabin-Miller test analyses assume uniformly distributed witnesses,
3936 so use BN_pseudo_rand_range() instead of using BN_pseudo_rand()
3937 followed by modular reduction.
3938 [Bodo Moeller; pointed out by Adam Young <AYoung1@NCSUS.JNJ.COM>]
3940 *) Add BN_pseudo_rand_range() with obvious functionality: BN_rand_range()
3941 equivalent based on BN_pseudo_rand() instead of BN_rand().
3944 *) s3_srvr.c: allow sending of large client certificate lists (> 16 kB).
3945 This function was broken, as the check for a new client hello message
3946 to handle SGC did not allow these large messages.
3947 (Tracked down by "Douglas E. Engert" <deengert@anl.gov>.)
3950 *) Add alert descriptions for TLSv1 to SSL_alert_desc_string[_long]().
3953 *) Fix buggy behaviour of BIO_get_num_renegotiates() and BIO_ctrl()
3954 for BIO_C_GET_WRITE_BUF_SIZE ("Stephen Hinton" <shinton@netopia.com>).
3957 *) Rework the configuration and shared library support for Tru64 Unix.
3958 The configuration part makes use of modern compiler features and
3959 still retains old compiler behavior for those that run older versions
3960 of the OS. The shared library support part includes a variant that
3961 uses the RPATH feature, and is available through the special
3962 configuration target "alpha-cc-rpath", which will never be selected
3964 [Tim Mooney <mooney@dogbert.cc.ndsu.NoDak.edu> via Richard Levitte]
3966 *) In ssl3_get_key_exchange (ssl/s3_clnt.c), call ssl3_get_message()
3967 with the same message size as in ssl3_get_certificate_request().
3968 Otherwise, if no ServerKeyExchange message occurs, CertificateRequest
3969 messages might inadvertently be reject as too long.
3970 [Petr Lampa <lampa@fee.vutbr.cz>]
3972 *) Enhanced support for IA-64 Unix platforms (well, Linux and HP-UX).
3975 *) Modified SSL library such that the verify_callback that has been set
3976 specificly for an SSL object with SSL_set_verify() is actually being
3977 used. Before the change, a verify_callback set with this function was
3978 ignored and the verify_callback() set in the SSL_CTX at the time of
3979 the call was used. New function X509_STORE_CTX_set_verify_cb() introduced
3980 to allow the necessary settings.
3983 *) Initialize static variable in crypto/dsa/dsa_lib.c and crypto/dh/dh_lib.c
3984 explicitly to NULL, as at least on Solaris 8 this seems not always to be
3985 done automatically (in contradiction to the requirements of the C
3986 standard). This made problems when used from OpenSSH.
3989 *) In OpenSSL 0.9.6a and 0.9.6b, crypto/dh/dh_key.c ignored
3990 dh->length and always used
3992 BN_rand_range(priv_key, dh->p).
3994 BN_rand_range() is not necessary for Diffie-Hellman, and this
3995 specific range makes Diffie-Hellman unnecessarily inefficient if
3996 dh->length (recommended exponent length) is much smaller than the
3997 length of dh->p. We could use BN_rand_range() if the order of
3998 the subgroup was stored in the DH structure, but we only have
4003 BN_rand(priv_key, l, ...)
4005 where 'l' is dh->length if this is defined, or BN_num_bits(dh->p)-1
4011 RSA_eay_public_encrypt
4012 RSA_eay_private_decrypt
4013 RSA_eay_private_encrypt (signing)
4014 RSA_eay_public_decrypt (signature verification)
4016 (default implementations for RSA_public_encrypt,
4017 RSA_private_decrypt, RSA_private_encrypt, RSA_public_decrypt),
4018 always reject numbers >= n.
4021 *) In crypto/rand/md_rand.c, use a new short-time lock CRYPTO_LOCK_RAND2
4022 to synchronize access to 'locking_thread'. This is necessary on
4023 systems where access to 'locking_thread' (an 'unsigned long'
4024 variable) is not atomic.
4027 *) In crypto/rand/md_rand.c, set 'locking_thread' to current thread's ID
4028 *before* setting the 'crypto_lock_rand' flag. The previous code had
4029 a race condition if 0 is a valid thread ID.
4030 [Travis Vitek <vitek@roguewave.com>]
4032 *) Add support for shared libraries under Irix.
4033 [Albert Chin-A-Young <china@thewrittenword.com>]
4035 *) Add configuration option to build on Linux on both big-endian and
4037 [Ralf Baechle <ralf@uni-koblenz.de>]
4039 *) Add the possibility to create shared libraries on HP-UX.
4042 Changes between 0.9.6a and 0.9.6b [9 Jul 2001]
4044 *) Change ssleay_rand_bytes (crypto/rand/md_rand.c)
4045 to avoid a SSLeay/OpenSSL PRNG weakness pointed out by
4046 Markku-Juhani O. Saarinen <markku-juhani.saarinen@nokia.com>:
4047 PRNG state recovery was possible based on the output of
4048 one PRNG request appropriately sized to gain knowledge on
4049 'md' followed by enough consecutive 1-byte PRNG requests
4050 to traverse all of 'state'.
4052 1. When updating 'md_local' (the current thread's copy of 'md')
4053 during PRNG output generation, hash all of the previous
4054 'md_local' value, not just the half used for PRNG output.
4056 2. Make the number of bytes from 'state' included into the hash
4057 independent from the number of PRNG bytes requested.
4059 The first measure alone would be sufficient to avoid
4060 Markku-Juhani's attack. (Actually it had never occurred
4061 to me that the half of 'md_local' used for chaining was the
4062 half from which PRNG output bytes were taken -- I had always
4063 assumed that the secret half would be used.) The second
4064 measure makes sure that additional data from 'state' is never
4065 mixed into 'md_local' in small portions; this heuristically
4066 further strengthens the PRNG.
4069 *) Fix crypto/bn/asm/mips3.s.
4072 *) When only the key is given to "enc", the IV is undefined. Print out
4073 an error message in this case.
4076 *) Handle special case when X509_NAME is empty in X509 printing routines.
4079 *) In dsa_do_verify (crypto/dsa/dsa_ossl.c), verify that r and s are
4080 positive and less than q.
4083 *) Don't change *pointer in CRYPTO_add_lock() is add_lock_callback is
4084 used: it isn't thread safe and the add_lock_callback should handle
4086 [Paul Rose <Paul.Rose@bridge.com>]
4088 *) Verify that incoming data obeys the block size in
4089 ssl3_enc (ssl/s3_enc.c) and tls1_enc (ssl/t1_enc.c).
4093 [Ulf Möller, Bodo Möller]
4095 *) The countermeasure against Bleichbacher's attack on PKCS #1 v1.5
4096 RSA encryption was accidentally removed in s3_srvr.c in OpenSSL 0.9.5
4097 when fixing the server behaviour for backwards-compatible 'client
4098 hello' messages. (Note that the attack is impractical against
4099 SSL 3.0 and TLS 1.0 anyway because length and version checking
4100 means that the probability of guessing a valid ciphertext is
4101 around 2^-40; see section 5 in Bleichenbacher's CRYPTO '98
4104 Before 0.9.5, the countermeasure (hide the error by generating a
4105 random 'decryption result') did not work properly because
4106 ERR_clear_error() was missing, meaning that SSL_get_error() would
4107 detect the supposedly ignored error.
4109 Both problems are now fixed.
4112 *) In crypto/bio/bf_buff.c, increase DEFAULT_BUFFER_SIZE to 4096
4113 (previously it was 1024).
4116 *) Fix for compatibility mode trust settings: ignore trust settings
4117 unless some valid trust or reject settings are present.
4120 *) Fix for blowfish EVP: its a variable length cipher.
4123 *) Fix various bugs related to DSA S/MIME verification. Handle missing
4124 parameters in DSA public key structures and return an error in the
4125 DSA routines if parameters are absent.
4128 *) In versions up to 0.9.6, RAND_file_name() resorted to file ".rnd"
4129 in the current directory if neither $RANDFILE nor $HOME was set.
4130 RAND_file_name() in 0.9.6a returned NULL in this case. This has
4131 caused some confusion to Windows users who haven't defined $HOME.
4132 Thus RAND_file_name() is changed again: e_os.h can define a
4133 DEFAULT_HOME, which will be used if $HOME is not set.
4134 For Windows, we use "C:"; on other platforms, we still require
4135 environment variables.
4137 *) Move 'if (!initialized) RAND_poll()' into regions protected by
4138 CRYPTO_LOCK_RAND. This is not strictly necessary, but avoids
4139 having multiple threads call RAND_poll() concurrently.
4142 *) In crypto/rand/md_rand.c, replace 'add_do_not_lock' flag by a
4143 combination of a flag and a thread ID variable.
4144 Otherwise while one thread is in ssleay_rand_bytes (which sets the
4145 flag), *other* threads can enter ssleay_add_bytes without obeying
4146 the CRYPTO_LOCK_RAND lock (and may even illegally release the lock
4147 that they do not hold after the first thread unsets add_do_not_lock).
4150 *) Change bctest again: '-x' expressions are not available in all
4154 Changes between 0.9.6 and 0.9.6a [5 Apr 2001]
4156 *) Fix a couple of memory leaks in PKCS7_dataDecode()
4157 [Steve Henson, reported by Heyun Zheng <hzheng@atdsprint.com>]
4159 *) Change Configure and Makefiles to provide EXE_EXT, which will contain
4160 the default extension for executables, if any. Also, make the perl
4161 scripts that use symlink() to test if it really exists and use "cp"
4162 if it doesn't. All this made OpenSSL compilable and installable in
4166 *) Fix for asn1_GetSequence() for indefinite length constructed data.
4167 If SEQUENCE is length is indefinite just set c->slen to the total
4168 amount of data available.
4169 [Steve Henson, reported by shige@FreeBSD.org]
4170 [This change does not apply to 0.9.7.]
4172 *) Change bctest to avoid here-documents inside command substitution
4173 (workaround for FreeBSD /bin/sh bug).
4174 For compatibility with Ultrix, avoid shell functions (introduced
4175 in the bctest version that searches along $PATH).
4178 *) Rename 'des_encrypt' to 'des_encrypt1'. This avoids the clashes
4179 with des_encrypt() defined on some operating systems, like Solaris
4183 *) Check the result of RSA-CRT (see D. Boneh, R. DeMillo, R. Lipton:
4184 On the Importance of Eliminating Errors in Cryptographic
4185 Computations, J. Cryptology 14 (2001) 2, 101-119,
4186 http://theory.stanford.edu/~dabo/papers/faults.ps.gz).
4189 *) MIPS assembler BIGNUM division bug fix.
4192 *) Disabled incorrect Alpha assembler code.
4195 *) Fix PKCS#7 decode routines so they correctly update the length
4196 after reading an EOC for the EXPLICIT tag.
4198 [This change does not apply to 0.9.7.]
4200 *) Fix bug in PKCS#12 key generation routines. This was triggered
4201 if a 3DES key was generated with a 0 initial byte. Include
4202 PKCS12_BROKEN_KEYGEN compilation option to retain the old
4203 (but broken) behaviour.
4206 *) Enhance bctest to search for a working bc along $PATH and print
4208 [Tim Rice <tim@multitalents.net> via Richard Levitte]
4210 *) Fix memory leaks in err.c: free err_data string if necessary;
4211 don't write to the wrong index in ERR_set_error_data.
4214 *) Implement ssl23_peek (analogous to ssl23_read), which previously
4218 *) Replace rdtsc with _emit statements for VC++ version 5.
4219 [Jeremy Cooper <jeremy@baymoo.org>]
4221 *) Make it possible to reuse SSLv2 sessions.
4224 *) In copy_email() check for >= 0 as a return value for
4225 X509_NAME_get_index_by_NID() since 0 is a valid index.
4226 [Steve Henson reported by Massimiliano Pala <madwolf@opensca.org>]
4228 *) Avoid coredump with unsupported or invalid public keys by checking if
4229 X509_get_pubkey() fails in PKCS7_verify(). Fix memory leak when
4230 PKCS7_verify() fails with non detached data.
4233 *) Don't use getenv in library functions when run as setuid/setgid.
4234 New function OPENSSL_issetugid().
4237 *) Avoid false positives in memory leak detection code (crypto/mem_dbg.c)
4238 due to incorrect handling of multi-threading:
4240 1. Fix timing glitch in the MemCheck_off() portion of CRYPTO_mem_ctrl().
4242 2. Fix logical glitch in is_MemCheck_on() aka CRYPTO_is_mem_check_on().
4244 3. Count how many times MemCheck_off() has been called so that
4245 nested use can be treated correctly. This also avoids
4246 inband-signalling in the previous code (which relied on the
4247 assumption that thread ID 0 is impossible).
4250 *) Add "-rand" option also to s_client and s_server.
4253 *) Fix CPU detection on Irix 6.x.
4254 [Kurt Hockenbury <khockenb@stevens-tech.edu> and
4255 "Bruce W. Forsberg" <bruce.forsberg@baesystems.com>]
4257 *) Fix X509_NAME bug which produced incorrect encoding if X509_NAME
4260 [This change does not apply to 0.9.7.]
4262 *) Use the cached encoding of an X509_NAME structure rather than
4263 copying it. This is apparently the reason for the libsafe "errors"
4264 but the code is actually correct.
4267 *) Add new function BN_rand_range(), and fix DSA_sign_setup() to prevent
4268 Bleichenbacher's DSA attack.
4269 Extend BN_[pseudo_]rand: As before, top=1 forces the highest two bits
4270 to be set and top=0 forces the highest bit to be set; top=-1 is new
4271 and leaves the highest bit random.
4272 [Ulf Moeller, Bodo Moeller]
4274 *) In the NCONF_...-based implementations for CONF_... queries
4275 (crypto/conf/conf_lib.c), if the input LHASH is NULL, avoid using
4276 a temporary CONF structure with the data component set to NULL
4277 (which gives segmentation faults in lh_retrieve).
4278 Instead, use NULL for the CONF pointer in CONF_get_string and
4279 CONF_get_number (which may use environment variables) and directly
4280 return NULL from CONF_get_section.
4283 *) Fix potential buffer overrun for EBCDIC.
4286 *) Tolerate nonRepudiation as being valid for S/MIME signing and certSign
4287 keyUsage if basicConstraints absent for a CA.
4290 *) Make SMIME_write_PKCS7() write mail header values with a format that
4291 is more generally accepted (no spaces before the semicolon), since
4292 some programs can't parse those values properly otherwise. Also make
4293 sure BIO's that break lines after each write do not create invalid
4297 *) Make the CRL encoding routines work with empty SEQUENCE OF. The
4298 macros previously used would not encode an empty SEQUENCE OF
4299 and break the signature.
4301 [This change does not apply to 0.9.7.]
4303 *) Zero the premaster secret after deriving the master secret in
4307 *) Add some EVP_add_digest_alias registrations (as found in
4308 OpenSSL_add_all_digests()) to SSL_library_init()
4309 aka OpenSSL_add_ssl_algorithms(). This provides improved
4310 compatibility with peers using X.509 certificates
4311 with unconventional AlgorithmIdentifier OIDs.
4314 *) Fix for Irix with NO_ASM.
4315 ["Bruce W. Forsberg" <bruce.forsberg@baesystems.com>]
4317 *) ./config script fixes.
4318 [Ulf Moeller, Richard Levitte]
4320 *) Fix 'openssl passwd -1'.
4323 *) Change PKCS12_key_gen_asc() so it can cope with non null
4324 terminated strings whose length is passed in the passlen
4325 parameter, for example from PEM callbacks. This was done
4326 by adding an extra length parameter to asc2uni().
4327 [Steve Henson, reported by <oddissey@samsung.co.kr>]
4329 *) Fix C code generated by 'openssl dsaparam -C': If a BN_bin2bn
4330 call failed, free the DSA structure.
4333 *) Fix to uni2asc() to cope with zero length Unicode strings.
4334 These are present in some PKCS#12 files.
4337 *) Increase s2->wbuf allocation by one byte in ssl2_new (ssl/s2_lib.c).
4338 Otherwise do_ssl_write (ssl/s2_pkt.c) will write beyond buffer limits
4339 when writing a 32767 byte record.
4340 [Bodo Moeller; problem reported by Eric Day <eday@concentric.net>]
4342 *) In RSA_eay_public_{en,ed}crypt and RSA_eay_mod_exp (rsa_eay.c),
4343 obtain lock CRYPTO_LOCK_RSA before setting rsa->_method_mod_{n,p,q}.
4345 (RSA objects have a reference count access to which is protected
4346 by CRYPTO_LOCK_RSA [see rsa_lib.c, s3_srvr.c, ssl_cert.c, ssl_rsa.c],
4347 so they are meant to be shared between threads.)
4348 [Bodo Moeller, Geoff Thorpe; original patch submitted by
4349 "Reddie, Steven" <Steven.Reddie@ca.com>]
4351 *) Fix a deadlock in CRYPTO_mem_leaks().
4354 *) Use better test patterns in bntest.
4357 *) rand_win.c fix for Borland C.
4360 *) BN_rshift bugfix for n == 0.
4363 *) Add a 'bctest' script that checks for some known 'bc' bugs
4364 so that 'make test' does not abort just because 'bc' is broken.
4367 *) Store verify_result within SSL_SESSION also for client side to
4368 avoid potential security hole. (Re-used sessions on the client side
4369 always resulted in verify_result==X509_V_OK, not using the original
4370 result of the server certificate verification.)
4373 *) Fix ssl3_pending: If the record in s->s3->rrec is not of type
4374 SSL3_RT_APPLICATION_DATA, return 0.
4375 Similarly, change ssl2_pending to return 0 if SSL_in_init(s) is true.
4379 Both ssl2_peek and ssl3_peek, which were totally broken in earlier
4380 releases, have been re-implemented by renaming the previous
4381 implementations of ssl2_read and ssl3_read to ssl2_read_internal
4382 and ssl3_read_internal, respectively, and adding 'peek' parameters
4383 to them. The new ssl[23]_{read,peek} functions are calls to
4384 ssl[23]_read_internal with the 'peek' flag set appropriately.
4385 A 'peek' parameter has also been added to ssl3_read_bytes, which
4386 does the actual work for ssl3_read_internal.
4389 *) Initialise "ex_data" member of RSA/DSA/DH structures prior to calling
4390 the method-specific "init()" handler. Also clean up ex_data after
4391 calling the method-specific "finish()" handler. Previously, this was
4392 happening the other way round.
4395 *) Increase BN_CTX_NUM (the number of BIGNUMs in a BN_CTX) to 16.
4396 The previous value, 12, was not always sufficient for BN_mod_exp().
4399 *) Make sure that shared libraries get the internal name engine with
4400 the full version number and not just 0. This should mark the
4401 shared libraries as not backward compatible. Of course, this should
4402 be changed again when we can guarantee backward binary compatibility.
4405 *) Fix typo in get_cert_by_subject() in by_dir.c
4406 [Jean-Marc Desperrier <jean-marc.desperrier@certplus.com>]
4408 *) Rework the system to generate shared libraries:
4410 - Make note of the expected extension for the shared libraries and
4411 if there is a need for symbolic links from for example libcrypto.so.0
4412 to libcrypto.so.0.9.7. There is extended info in Configure for
4415 - Make as few rebuilds of the shared libraries as possible.
4417 - Still avoid linking the OpenSSL programs with the shared libraries.
4419 - When installing, install the shared libraries separately from the
4423 *) Fix SSL_CTX_set_read_ahead macro to actually use its argument.
4425 Copy SSL_CTX's read_ahead flag to SSL object directly in SSL_new
4426 and not in SSL_clear because the latter is also used by the
4427 accept/connect functions; previously, the settings made by
4428 SSL_set_read_ahead would be lost during the handshake.
4429 [Bodo Moeller; problems reported by Anders Gertz <gertz@epact.se>]
4431 *) Correct util/mkdef.pl to be selective about disabled algorithms.
4432 Previously, it would create entries for disableed algorithms no
4436 *) Added several new manual pages for SSL_* function.
4439 Changes between 0.9.5a and 0.9.6 [24 Sep 2000]
4441 *) In ssl23_get_client_hello, generate an error message when faced
4442 with an initial SSL 3.0/TLS record that is too small to contain the
4443 first two bytes of the ClientHello message, i.e. client_version.
4444 (Note that this is a pathologic case that probably has never happened
4445 in real life.) The previous approach was to use the version number
4446 from the record header as a substitute; but our protocol choice
4447 should not depend on that one because it is not authenticated
4448 by the Finished messages.
4451 *) More robust randomness gathering functions for Windows.
4452 [Jeffrey Altman <jaltman@columbia.edu>]
4454 *) For compatibility reasons if the flag X509_V_FLAG_ISSUER_CHECK is
4455 not set then we don't setup the error code for issuer check errors
4456 to avoid possibly overwriting other errors which the callback does
4457 handle. If an application does set the flag then we assume it knows
4458 what it is doing and can handle the new informational codes
4462 *) Fix for a nasty bug in ASN1_TYPE handling. ASN1_TYPE is used for
4463 a general "ANY" type, as such it should be able to decode anything
4464 including tagged types. However it didn't check the class so it would
4465 wrongly interpret tagged types in the same way as their universal
4466 counterpart and unknown types were just rejected. Changed so that the
4467 tagged and unknown types are handled in the same way as a SEQUENCE:
4468 that is the encoding is stored intact. There is also a new type
4469 "V_ASN1_OTHER" which is used when the class is not universal, in this
4470 case we have no idea what the actual type is so we just lump them all
4474 *) On VMS, stdout may very well lead to a file that is written to
4475 in a record-oriented fashion. That means that every write() will
4476 write a separate record, which will be read separately by the
4477 programs trying to read from it. This can be very confusing.
4479 The solution is to put a BIO filter in the way that will buffer
4480 text until a linefeed is reached, and then write everything a
4481 line at a time, so every record written will be an actual line,
4482 not chunks of lines and not (usually doesn't happen, but I've
4483 seen it once) several lines in one record. BIO_f_linebuffer() is
4486 Currently, it's a VMS-only method, because that's where it has
4487 been tested well enough.
4490 *) Remove 'optimized' squaring variant in BN_mod_mul_montgomery,
4491 it can return incorrect results.
4492 (Note: The buggy variant was not enabled in OpenSSL 0.9.5a,
4493 but it was in 0.9.6-beta[12].)
4496 *) Disable the check for content being present when verifying detached
4497 signatures in pk7_smime.c. Some versions of Netscape (wrongly)
4498 include zero length content when signing messages.
4501 *) New BIO_shutdown_wr macro, which invokes the BIO_C_SHUTDOWN_WR
4502 BIO_ctrl (for BIO pairs).
4505 *) Add DSO method for VMS.
4508 *) Bug fix: Montgomery multiplication could produce results with the
4512 *) Add RPM specification openssl.spec and modify it to build three
4513 packages. The default package contains applications, application
4514 documentation and run-time libraries. The devel package contains
4515 include files, static libraries and function documentation. The
4516 doc package contains the contents of the doc directory. The original
4517 openssl.spec was provided by Damien Miller <djm@mindrot.org>.
4520 *) Add a large number of documentation files for many SSL routines.
4521 [Lutz Jaenicke <Lutz.Jaenicke@aet.TU-Cottbus.DE>]
4523 *) Add a configuration entry for Sony News 4.
4524 [NAKAJI Hiroyuki <nakaji@tutrp.tut.ac.jp>]
4526 *) Don't set the two most significant bits to one when generating a
4527 random number < q in the DSA library.
4530 *) New SSL API mode 'SSL_MODE_AUTO_RETRY'. This disables the default
4531 behaviour that SSL_read may result in SSL_ERROR_WANT_READ (even if
4532 the underlying transport is blocking) if a handshake took place.
4533 (The default behaviour is needed by applications such as s_client
4534 and s_server that use select() to determine when to use SSL_read;
4535 but for applications that know in advance when to expect data, it
4536 just makes things more complicated.)
4539 *) Add RAND_egd_bytes(), which gives control over the number of bytes read
4543 *) Add a few more EBCDIC conditionals that make `req' and `x509'
4544 work better on such systems.
4545 [Martin Kraemer <Martin.Kraemer@MchP.Siemens.De>]
4547 *) Add two demo programs for PKCS12_parse() and PKCS12_create().
4548 Update PKCS12_parse() so it copies the friendlyName and the
4549 keyid to the certificates aux info.
4552 *) Fix bug in PKCS7_verify() which caused an infinite loop
4553 if there was more than one signature.
4554 [Sven Uszpelkat <su@celocom.de>]
4556 *) Major change in util/mkdef.pl to include extra information
4557 about each symbol, as well as presentig variables as well
4558 as functions. This change means that there's n more need
4559 to rebuild the .num files when some algorithms are excluded.
4562 *) Allow the verify time to be set by an application,
4563 rather than always using the current time.
4566 *) Phase 2 verify code reorganisation. The certificate
4567 verify code now looks up an issuer certificate by a
4568 number of criteria: subject name, authority key id
4569 and key usage. It also verifies self signed certificates
4570 by the same criteria. The main comparison function is
4571 X509_check_issued() which performs these checks.
4573 Lot of changes were necessary in order to support this
4574 without completely rewriting the lookup code.
4576 Authority and subject key identifier are now cached.
4578 The LHASH 'certs' is X509_STORE has now been replaced
4579 by a STACK_OF(X509_OBJECT). This is mainly because an
4580 LHASH can't store or retrieve multiple objects with
4581 the same hash value.
4583 As a result various functions (which were all internal
4584 use only) have changed to handle the new X509_STORE
4585 structure. This will break anything that messed round
4586 with X509_STORE internally.
4588 The functions X509_STORE_add_cert() now checks for an
4589 exact match, rather than just subject name.
4591 The X509_STORE API doesn't directly support the retrieval
4592 of multiple certificates matching a given criteria, however
4593 this can be worked round by performing a lookup first
4594 (which will fill the cache with candidate certificates)
4595 and then examining the cache for matches. This is probably
4596 the best we can do without throwing out X509_LOOKUP
4597 entirely (maybe later...).
4599 The X509_VERIFY_CTX structure has been enhanced considerably.
4601 All certificate lookup operations now go via a get_issuer()
4602 callback. Although this currently uses an X509_STORE it
4603 can be replaced by custom lookups. This is a simple way
4604 to bypass the X509_STORE hackery necessary to make this
4605 work and makes it possible to use more efficient techniques
4606 in future. A very simple version which uses a simple
4607 STACK for its trusted certificate store is also provided
4608 using X509_STORE_CTX_trusted_stack().
4610 The verify_cb() and verify() callbacks now have equivalents
4611 in the X509_STORE_CTX structure.
4613 X509_STORE_CTX also has a 'flags' field which can be used
4614 to customise the verify behaviour.
4617 *) Add new PKCS#7 signing option PKCS7_NOSMIMECAP which
4618 excludes S/MIME capabilities.
4621 *) When a certificate request is read in keep a copy of the
4622 original encoding of the signed data and use it when outputing
4623 again. Signatures then use the original encoding rather than
4624 a decoded, encoded version which may cause problems if the
4625 request is improperly encoded.
4628 *) For consistency with other BIO_puts implementations, call
4629 buffer_write(b, ...) directly in buffer_puts instead of calling
4632 In BIO_puts, increment b->num_write as in BIO_write.
4633 [Peter.Sylvester@EdelWeb.fr]
4635 *) Fix BN_mul_word for the case where the word is 0. (We have to use
4636 BN_zero, we may not return a BIGNUM with an array consisting of
4640 *) Avoid calling abort() from within the library when problems are
4641 detected, except if preprocessor symbols have been defined
4642 (such as REF_CHECK, BN_DEBUG etc.).
4645 *) New openssl application 'rsautl'. This utility can be
4646 used for low level RSA operations. DER public key
4647 BIO/fp routines also added.
4650 *) New Configure entry and patches for compiling on QNX 4.
4651 [Andreas Schneider <andreas@ds3.etech.fh-hamburg.de>]
4653 *) A demo state-machine implementation was sponsored by
4654 Nuron (http://www.nuron.com/) and is now available in
4655 demos/state_machine.
4658 *) New options added to the 'dgst' utility for signature
4659 generation and verification.
4662 *) Unrecognized PKCS#7 content types are now handled via a
4663 catch all ASN1_TYPE structure. This allows unsupported
4664 types to be stored as a "blob" and an application can
4665 encode and decode it manually.
4668 *) Fix various signed/unsigned issues to make a_strex.c
4670 [Oscar Jacobsson <oscar.jacobsson@celocom.com>]
4672 *) ASN1 fixes. i2d_ASN1_OBJECT was not returning the correct
4673 length if passed a buffer. ASN1_INTEGER_to_BN failed
4674 if passed a NULL BN and its argument was negative.
4675 [Steve Henson, pointed out by Sven Heiberg <sven@tartu.cyber.ee>]
4677 *) Modification to PKCS#7 encoding routines to output definite
4678 length encoding. Since currently the whole structures are in
4679 memory there's not real point in using indefinite length
4680 constructed encoding. However if OpenSSL is compiled with
4681 the flag PKCS7_INDEFINITE_ENCODING the old form is used.
4684 *) Added BIO_vprintf() and BIO_vsnprintf().
4687 *) Added more prefixes to parse for in the the strings written
4688 through a logging bio, to cover all the levels that are available
4689 through syslog. The prefixes are now:
4691 PANIC, EMERG, EMR => LOG_EMERG
4692 ALERT, ALR => LOG_ALERT
4693 CRIT, CRI => LOG_CRIT
4694 ERROR, ERR => LOG_ERR
4695 WARNING, WARN, WAR => LOG_WARNING
4696 NOTICE, NOTE, NOT => LOG_NOTICE
4697 INFO, INF => LOG_INFO
4698 DEBUG, DBG => LOG_DEBUG
4700 and as before, if none of those prefixes are present at the
4701 beginning of the string, LOG_ERR is chosen.
4703 On Win32, the LOG_* levels are mapped according to this:
4705 LOG_EMERG, LOG_ALERT, LOG_CRIT, LOG_ERR => EVENTLOG_ERROR_TYPE
4706 LOG_WARNING => EVENTLOG_WARNING_TYPE
4707 LOG_NOTICE, LOG_INFO, LOG_DEBUG => EVENTLOG_INFORMATION_TYPE
4711 *) Made it possible to reconfigure with just the configuration
4712 argument "reconf" or "reconfigure". The command line arguments
4713 are stored in Makefile.ssl in the variable CONFIGURE_ARGS,
4714 and are retrieved from there when reconfiguring.
4718 [Assar Westerlund <assar@sics.se>, Richard Levitte]
4720 *) Add the arguments -CAfile and -CApath to the pkcs12 utility.
4723 *) The obj_dat.pl script was messing up the sorting of object
4724 names. The reason was that it compared the quoted version
4725 of strings as a result "OCSP" > "OCSP Signing" because
4726 " > SPACE. Changed script to store unquoted versions of
4727 names and add quotes on output. It was also omitting some
4728 names from the lookup table if they were given a default
4729 value (that is if SN is missing it is given the same
4730 value as LN and vice versa), these are now added on the
4731 grounds that if an object has a name we should be able to
4732 look it up. Finally added warning output when duplicate
4733 short or long names are found.
4736 *) Changes needed for Tandem NSK.
4737 [Scott Uroff <scott@xypro.com>]
4739 *) Fix SSL 2.0 rollback checking: Due to an off-by-one error in
4740 RSA_padding_check_SSLv23(), special padding was never detected
4741 and thus the SSL 3.0/TLS 1.0 countermeasure against protocol
4742 version rollback attacks was not effective.
4744 In s23_clnt.c, don't use special rollback-attack detection padding
4745 (RSA_SSLV23_PADDING) if SSL 2.0 is the only protocol enabled in the
4746 client; similarly, in s23_srvr.c, don't do the rollback check if
4747 SSL 2.0 is the only protocol enabled in the server.
4750 *) Make it possible to get hexdumps of unprintable data with 'openssl
4751 asn1parse'. By implication, the functions ASN1_parse_dump() and
4752 BIO_dump_indent() are added.
4755 *) New functions ASN1_STRING_print_ex() and X509_NAME_print_ex()
4756 these print out strings and name structures based on various
4757 flags including RFC2253 support and proper handling of
4758 multibyte characters. Added options to the 'x509' utility
4759 to allow the various flags to be set.
4762 *) Various fixes to use ASN1_TIME instead of ASN1_UTCTIME.
4763 Also change the functions X509_cmp_current_time() and
4764 X509_gmtime_adj() work with an ASN1_TIME structure,
4765 this will enable certificates using GeneralizedTime in validity
4766 dates to be checked.
4769 *) Make the NEG_PUBKEY_BUG code (which tolerates invalid
4770 negative public key encodings) on by default,
4771 NO_NEG_PUBKEY_BUG can be set to disable it.
4774 *) New function c2i_ASN1_OBJECT() which acts on ASN1_OBJECT
4775 content octets. An i2c_ASN1_OBJECT is unnecessary because
4776 the encoding can be trivially obtained from the structure.
4779 *) crypto/err.c locking bugfix: Use write locks (CRYPTO_w_[un]lock),
4780 not read locks (CRYPTO_r_[un]lock).
4783 *) A first attempt at creating official support for shared
4784 libraries through configuration. I've kept it so the
4785 default is static libraries only, and the OpenSSL programs
4786 are always statically linked for now, but there are
4787 preparations for dynamic linking in place.
4788 This has been tested on Linux and Tru64.
4791 *) Randomness polling function for Win9x, as described in:
4792 Peter Gutmann, Software Generation of Practically Strong
4796 *) Fix so PRNG is seeded in req if using an already existing
4800 *) New options to smime application. -inform and -outform
4801 allow alternative formats for the S/MIME message including
4802 PEM and DER. The -content option allows the content to be
4803 specified separately. This should allow things like Netscape
4804 form signing output easier to verify.
4807 *) Fix the ASN1 encoding of tags using the 'long form'.
4810 *) New ASN1 functions, i2c_* and c2i_* for INTEGER and BIT
4811 STRING types. These convert content octets to and from the
4812 underlying type. The actual tag and length octets are
4813 already assumed to have been read in and checked. These
4814 are needed because all other string types have virtually
4815 identical handling apart from the tag. By having versions
4816 of the ASN1 functions that just operate on content octets
4817 IMPLICIT tagging can be handled properly. It also allows
4818 the ASN1_ENUMERATED code to be cut down because ASN1_ENUMERATED
4819 and ASN1_INTEGER are identical apart from the tag.
4822 *) Change the handling of OID objects as follows:
4824 - New object identifiers are inserted in objects.txt, following
4825 the syntax given in objects.README.
4826 - objects.pl is used to process obj_mac.num and create a new
4828 - obj_dat.pl is used to create a new obj_dat.h, using the data in
4831 This is currently kind of a hack, and the perl code in objects.pl
4832 isn't very elegant, but it works as I intended. The simplest way
4833 to check that it worked correctly is to look in obj_dat.h and
4834 check the array nid_objs and make sure the objects haven't moved
4835 around (this is important!). Additions are OK, as well as
4836 consistent name changes.
4839 *) Add BSD-style MD5-based passwords to 'openssl passwd' (option '-1').
4842 *) Addition of the command line parameter '-rand file' to 'openssl req'.
4843 The given file adds to whatever has already been seeded into the
4844 random pool through the RANDFILE configuration file option or
4845 environment variable, or the default random state file.
4848 *) mkstack.pl now sorts each macro group into lexical order.
4849 Previously the output order depended on the order the files
4850 appeared in the directory, resulting in needless rewriting
4854 *) Patches to make OpenSSL compile under Win32 again. Mostly
4855 work arounds for the VC++ problem that it treats func() as
4856 func(void). Also stripped out the parts of mkdef.pl that
4857 added extra typesafe functions: these no longer exist.
4860 *) Reorganisation of the stack code. The macros are now all
4861 collected in safestack.h . Each macro is defined in terms of
4862 a "stack macro" of the form SKM_<name>(type, a, b). The
4863 DEBUG_SAFESTACK is now handled in terms of function casts,
4864 this has the advantage of retaining type safety without the
4865 use of additional functions. If DEBUG_SAFESTACK is not defined
4866 then the non typesafe macros are used instead. Also modified the
4867 mkstack.pl script to handle the new form. Needs testing to see
4868 if which (if any) compilers it chokes and maybe make DEBUG_SAFESTACK
4869 the default if no major problems. Similar behaviour for ASN1_SET_OF
4870 and PKCS12_STACK_OF.
4873 *) When some versions of IIS use the 'NET' form of private key the
4874 key derivation algorithm is different. Normally MD5(password) is
4875 used as a 128 bit RC4 key. In the modified case
4876 MD5(MD5(password) + "SGCKEYSALT") is used insted. Added some
4877 new functions i2d_RSA_NET(), d2i_RSA_NET() etc which are the same
4878 as the old Netscape_RSA functions except they have an additional
4879 'sgckey' parameter which uses the modified algorithm. Also added
4880 an -sgckey command line option to the rsa utility. Thanks to
4881 Adrian Peck <bertie@ncipher.com> for posting details of the modified
4882 algorithm to openssl-dev.
4885 *) The evp_local.h macros were using 'c.##kname' which resulted in
4886 invalid expansion on some systems (SCO 5.0.5 for example).
4887 Corrected to 'c.kname'.
4888 [Phillip Porch <root@theporch.com>]
4890 *) New X509_get1_email() and X509_REQ_get1_email() functions that return
4891 a STACK of email addresses from a certificate or request, these look
4892 in the subject name and the subject alternative name extensions and
4893 omit any duplicate addresses.
4896 *) Re-implement BN_mod_exp2_mont using independent (and larger) windows.
4897 This makes DSA verification about 2 % faster.
4900 *) Increase maximum window size in BN_mod_exp_... to 6 bits instead of 5
4901 (meaning that now 2^5 values will be precomputed, which is only 4 KB
4902 plus overhead for 1024 bit moduli).
4903 This makes exponentiations about 0.5 % faster for 1024 bit
4904 exponents (as measured by "openssl speed rsa2048").
4907 *) Rename memory handling macros to avoid conflicts with other
4909 Malloc => OPENSSL_malloc
4910 Malloc_locked => OPENSSL_malloc_locked
4911 Realloc => OPENSSL_realloc
4912 Free => OPENSSL_free
4915 *) New function BN_mod_exp_mont_word for small bases (roughly 15%
4916 faster than BN_mod_exp_mont, i.e. 7% for a full DH exchange).
4919 *) CygWin32 support.
4920 [John Jarvie <jjarvie@newsguy.com>]
4922 *) The type-safe stack code has been rejigged. It is now only compiled
4923 in when OpenSSL is configured with the DEBUG_SAFESTACK option and
4924 by default all type-specific stack functions are "#define"d back to
4925 standard stack functions. This results in more streamlined output
4926 but retains the type-safety checking possibilities of the original
4930 *) The STACK code has been cleaned up, and certain type declarations
4931 that didn't make a lot of sense have been brought in line. This has
4932 also involved a cleanup of sorts in safestack.h to more correctly
4933 map type-safe stack functions onto their plain stack counterparts.
4934 This work has also resulted in a variety of "const"ifications of
4935 lots of the code, especially "_cmp" operations which should normally
4936 be prototyped with "const" parameters anyway.
4939 *) When generating bytes for the first time in md_rand.c, 'stir the pool'
4940 by seeding with STATE_SIZE dummy bytes (with zero entropy count).
4941 (The PRNG state consists of two parts, the large pool 'state' and 'md',
4942 where all of 'md' is used each time the PRNG is used, but 'state'
4943 is used only indexed by a cyclic counter. As entropy may not be
4944 well distributed from the beginning, 'md' is important as a
4945 chaining variable. However, the output function chains only half
4946 of 'md', i.e. 80 bits. ssleay_rand_add, on the other hand, chains
4947 all of 'md', and seeding with STATE_SIZE dummy bytes will result
4948 in all of 'state' being rewritten, with the new values depending
4949 on virtually all of 'md'. This overcomes the 80 bit limitation.)
4952 *) In ssl/s2_clnt.c and ssl/s3_clnt.c, call ERR_clear_error() when
4953 the handshake is continued after ssl_verify_cert_chain();
4954 otherwise, if SSL_VERIFY_NONE is set, remaining error codes
4955 can lead to 'unexplainable' connection aborts later.
4956 [Bodo Moeller; problem tracked down by Lutz Jaenicke]
4958 *) Major EVP API cipher revision.
4959 Add hooks for extra EVP features. This allows various cipher
4960 parameters to be set in the EVP interface. Support added for variable
4961 key length ciphers via the EVP_CIPHER_CTX_set_key_length() function and
4962 setting of RC2 and RC5 parameters.
4964 Modify EVP_OpenInit() and EVP_SealInit() to cope with variable key length
4967 Remove lots of duplicated code from the EVP library. For example *every*
4968 cipher init() function handles the 'iv' in the same way according to the
4969 cipher mode. They also all do nothing if the 'key' parameter is NULL and
4970 for CFB and OFB modes they zero ctx->num.
4972 New functionality allows removal of S/MIME code RC2 hack.
4974 Most of the routines have the same form and so can be declared in terms
4977 By shifting this to the top level EVP_CipherInit() it can be removed from
4978 all individual ciphers. If the cipher wants to handle IVs or keys
4979 differently it can set the EVP_CIPH_CUSTOM_IV or EVP_CIPH_ALWAYS_CALL_INIT
4982 Change lots of functions like EVP_EncryptUpdate() to now return a
4983 value: although software versions of the algorithms cannot fail
4984 any installed hardware versions can.
4987 *) Implement SSL_OP_TLS_ROLLBACK_BUG: In ssl3_get_client_key_exchange, if
4988 this option is set, tolerate broken clients that send the negotiated
4989 protocol version number instead of the requested protocol version
4993 *) Call dh_tmp_cb (set by ..._TMP_DH_CB) with correct 'is_export' flag;
4994 i.e. non-zero for export ciphersuites, zero otherwise.
4995 Previous versions had this flag inverted, inconsistent with
4996 rsa_tmp_cb (..._TMP_RSA_CB).
4997 [Bodo Moeller; problem reported by Amit Chopra]
4999 *) Add missing DSA library text string. Work around for some IIS
5000 key files with invalid SEQUENCE encoding.
5003 *) Add a document (doc/standards.txt) that list all kinds of standards
5004 and so on that are implemented in OpenSSL.
5007 *) Enhance c_rehash script. Old version would mishandle certificates
5008 with the same subject name hash and wouldn't handle CRLs at all.
5009 Added -fingerprint option to crl utility, to support new c_rehash
5013 *) Eliminate non-ANSI declarations in crypto.h and stack.h.
5016 *) Fix for SSL server purpose checking. Server checking was
5017 rejecting certificates which had extended key usage present
5018 but no ssl client purpose.
5019 [Steve Henson, reported by Rene Grosser <grosser@hisolutions.com>]
5021 *) Make PKCS#12 code work with no password. The PKCS#12 spec
5022 is a little unclear about how a blank password is handled.
5023 Since the password in encoded as a BMPString with terminating
5024 double NULL a zero length password would end up as just the
5025 double NULL. However no password at all is different and is
5026 handled differently in the PKCS#12 key generation code. NS
5027 treats a blank password as zero length. MSIE treats it as no
5028 password on export: but it will try both on import. We now do
5029 the same: PKCS12_parse() tries zero length and no password if
5030 the password is set to "" or NULL (NULL is now a valid password:
5031 it wasn't before) as does the pkcs12 application.
5034 *) Bugfixes in apps/x509.c: Avoid a memory leak; and don't use
5035 perror when PEM_read_bio_X509_REQ fails, the error message must
5036 be obtained from the error queue.
5039 *) Avoid 'thread_hash' memory leak in crypto/err/err.c by freeing
5040 it in ERR_remove_state if appropriate, and change ERR_get_state
5041 accordingly to avoid race conditions (this is necessary because
5042 thread_hash is no longer constant once set).
5045 *) Bugfix for linux-elf makefile.one.
5048 *) RSA_get_default_method() will now cause a default
5049 RSA_METHOD to be chosen if one doesn't exist already.
5050 Previously this was only set during a call to RSA_new()
5051 or RSA_new_method(NULL) meaning it was possible for
5052 RSA_get_default_method() to return NULL.
5055 *) Added native name translation to the existing DSO code
5056 that will convert (if the flag to do so is set) filenames
5057 that are sufficiently small and have no path information
5058 into a canonical native form. Eg. "blah" converted to
5059 "libblah.so" or "blah.dll" etc.
5062 *) New function ERR_error_string_n(e, buf, len) which is like
5063 ERR_error_string(e, buf), but writes at most 'len' bytes
5064 including the 0 terminator. For ERR_error_string_n, 'buf'
5066 [Damien Miller <djm@mindrot.org>, Bodo Moeller]
5068 *) CONF library reworked to become more general. A new CONF
5069 configuration file reader "class" is implemented as well as a
5070 new functions (NCONF_*, for "New CONF") to handle it. The now
5071 old CONF_* functions are still there, but are reimplemented to
5072 work in terms of the new functions. Also, a set of functions
5073 to handle the internal storage of the configuration data is
5074 provided to make it easier to write new configuration file
5075 reader "classes" (I can definitely see something reading a
5076 configuration file in XML format, for example), called _CONF_*,
5077 or "the configuration storage API"...
5079 The new configuration file reading functions are:
5081 NCONF_new, NCONF_free, NCONF_load, NCONF_load_fp, NCONF_load_bio,
5082 NCONF_get_section, NCONF_get_string, NCONF_get_numbre
5084 NCONF_default, NCONF_WIN32
5086 NCONF_dump_fp, NCONF_dump_bio
5088 NCONF_default and NCONF_WIN32 are method (or "class") choosers,
5089 NCONF_new creates a new CONF object. This works in the same way
5090 as other interfaces in OpenSSL, like the BIO interface.
5091 NCONF_dump_* dump the internal storage of the configuration file,
5092 which is useful for debugging. All other functions take the same
5093 arguments as the old CONF_* functions wth the exception of the
5094 first that must be a `CONF *' instead of a `LHASH *'.
5096 To make it easer to use the new classes with the old CONF_* functions,
5097 the function CONF_set_default_method is provided.
5100 *) Add '-tls1' option to 'openssl ciphers', which was already
5101 mentioned in the documentation but had not been implemented.
5102 (This option is not yet really useful because even the additional
5103 experimental TLS 1.0 ciphers are currently treated as SSL 3.0 ciphers.)
5106 *) Initial DSO code added into libcrypto for letting OpenSSL (and
5107 OpenSSL-based applications) load shared libraries and bind to
5108 them in a portable way.
5109 [Geoff Thorpe, with contributions from Richard Levitte]
5111 Changes between 0.9.5 and 0.9.5a [1 Apr 2000]
5113 *) Make sure _lrotl and _lrotr are only used with MSVC.
5115 *) Use lock CRYPTO_LOCK_RAND correctly in ssleay_rand_status
5116 (the default implementation of RAND_status).
5118 *) Rename openssl x509 option '-crlext', which was added in 0.9.5,
5119 to '-clrext' (= clear extensions), as intended and documented.
5120 [Bodo Moeller; inconsistency pointed out by Michael Attili
5123 *) Fix for HMAC. It wasn't zeroing the rest of the block if the key length
5124 was larger than the MD block size.
5125 [Steve Henson, pointed out by Yost William <YostW@tce.com>]
5127 *) Modernise PKCS12_parse() so it uses STACK_OF(X509) for its ca argument
5128 fix a leak when the ca argument was passed as NULL. Stop X509_PUBKEY_set()
5129 using the passed key: if the passed key was a private key the result
5130 of X509_print(), for example, would be to print out all the private key
5134 *) des_quad_cksum() byte order bug fix.
5135 [Ulf Möller, using the problem description in krb4-0.9.7, where
5136 the solution is attributed to Derrick J Brashear <shadow@DEMENTIA.ORG>]
5138 *) Fix so V_ASN1_APP_CHOOSE works again: however its use is strongly
5140 [Steve Henson, pointed out by Brian Korver <briank@cs.stanford.edu>]
5142 *) For easily testing in shell scripts whether some command
5143 'openssl XXX' exists, the new pseudo-command 'openssl no-XXX'
5144 returns with exit code 0 iff no command of the given name is available.
5145 'no-XXX' is printed in this case, 'XXX' otherwise. In both cases,
5146 the output goes to stdout and nothing is printed to stderr.
5147 Additional arguments are always ignored.
5149 Since for each cipher there is a command of the same name,
5150 the 'no-cipher' compilation switches can be tested this way.
5152 ('openssl no-XXX' is not able to detect pseudo-commands such
5153 as 'quit', 'list-XXX-commands', or 'no-XXX' itself.)
5156 *) Update test suite so that 'make test' succeeds in 'no-rsa' configuration.
5159 *) For SSL_[CTX_]set_tmp_dh, don't create a DH key if SSL_OP_SINGLE_DH_USE
5160 is set; it will be thrown away anyway because each handshake creates
5162 ssl_cert_dup, which is used by SSL_new, now copies DH keys in addition
5163 to parameters -- in previous versions (since OpenSSL 0.9.3) the
5164 'default key' from SSL_CTX_set_tmp_dh would always be lost, meanining
5165 you effectivly got SSL_OP_SINGLE_DH_USE when using this macro.
5168 *) New s_client option -ign_eof: EOF at stdin is ignored, and
5169 'Q' and 'R' lose their special meanings (quit/renegotiate).
5170 This is part of what -quiet does; unlike -quiet, -ign_eof
5171 does not suppress any output.
5174 *) Add compatibility options to the purpose and trust code. The
5175 purpose X509_PURPOSE_ANY is "any purpose" which automatically
5176 accepts a certificate or CA, this was the previous behaviour,
5177 with all the associated security issues.
5179 X509_TRUST_COMPAT is the old trust behaviour: only and
5180 automatically trust self signed roots in certificate store. A
5181 new trust setting X509_TRUST_DEFAULT is used to specify that
5182 a purpose has no associated trust setting and it should instead
5183 use the value in the default purpose.
5186 *) Fix the PKCS#8 DSA private key code so it decodes keys again
5187 and fix a memory leak.
5190 *) In util/mkerr.pl (which implements 'make errors'), preserve
5191 reason strings from the previous version of the .c file, as
5192 the default to have only downcase letters (and digits) in
5193 automatically generated reasons codes is not always appropriate.
5196 *) In ERR_load_ERR_strings(), build an ERR_LIB_SYS error reason table
5197 using strerror. Previously, ERR_reason_error_string() returned
5198 library names as reason strings for SYSerr; but SYSerr is a special
5199 case where small numbers are errno values, not library numbers.
5202 *) Add '-dsaparam' option to 'openssl dhparam' application. This
5203 converts DSA parameters into DH parameters. (When creating parameters,
5204 DSA_generate_parameters is used.)
5207 *) Include 'length' (recommended exponent length) in C code generated
5208 by 'openssl dhparam -C'.
5211 *) The second argument to set_label in perlasm was already being used
5212 so couldn't be used as a "file scope" flag. Moved to third argument
5216 *) In PEM_ASN1_write_bio and some other functions, use RAND_pseudo_bytes
5217 instead of RAND_bytes for encryption IVs and salts.
5220 *) Include RAND_status() into RAND_METHOD instead of implementing
5221 it only for md_rand.c Otherwise replacing the PRNG by calling
5222 RAND_set_rand_method would be impossible.
5225 *) Don't let DSA_generate_key() enter an infinite loop if the random
5226 number generation fails.
5229 *) New 'rand' application for creating pseudo-random output.
5232 *) Added configuration support for Linux/IA64
5233 [Rolf Haberrecker <rolf@suse.de>]
5235 *) Assembler module support for Mingw32.
5238 *) Shared library support for HPUX (in shlib/).
5239 [Lutz Jaenicke <Lutz.Jaenicke@aet.TU-Cottbus.DE> and Anonymous]
5241 *) Shared library support for Solaris gcc.
5242 [Lutz Behnke <behnke@trustcenter.de>]
5244 Changes between 0.9.4 and 0.9.5 [28 Feb 2000]
5246 *) PKCS7_encrypt() was adding text MIME headers twice because they
5247 were added manually and by SMIME_crlf_copy().
5250 *) In bntest.c don't call BN_rand with zero bits argument.
5251 [Steve Henson, pointed out by Andrew W. Gray <agray@iconsinc.com>]
5253 *) BN_mul bugfix: In bn_mul_part_recursion() only the a>a[n] && b>b[n]
5254 case was implemented. This caused BN_div_recp() to fail occasionally.
5257 *) Add an optional second argument to the set_label() in the perl
5258 assembly language builder. If this argument exists and is set
5259 to 1 it signals that the assembler should use a symbol whose
5260 scope is the entire file, not just the current function. This
5261 is needed with MASM which uses the format label:: for this scope.
5262 [Steve Henson, pointed out by Peter Runestig <peter@runestig.com>]
5264 *) Change the ASN1 types so they are typedefs by default. Before
5265 almost all types were #define'd to ASN1_STRING which was causing
5266 STACK_OF() problems: you couldn't declare STACK_OF(ASN1_UTF8STRING)
5270 *) Change names of new functions to the new get1/get0 naming
5271 convention: After 'get1', the caller owns a reference count
5272 and has to call ..._free; 'get0' returns a pointer to some
5273 data structure without incrementing reference counters.
5274 (Some of the existing 'get' functions increment a reference
5275 counter, some don't.)
5276 Similarly, 'set1' and 'add1' functions increase reference
5277 counters or duplicate objects.
5280 *) Allow for the possibility of temp RSA key generation failure:
5281 the code used to assume it always worked and crashed on failure.
5284 *) Fix potential buffer overrun problem in BIO_printf().
5285 [Ulf Möller, using public domain code by Patrick Powell; problem
5286 pointed out by David Sacerdote <das33@cornell.edu>]
5288 *) Support EGD <http://www.lothar.com/tech/crypto/>. New functions
5289 RAND_egd() and RAND_status(). In the command line application,
5290 the EGD socket can be specified like a seed file using RANDFILE
5294 *) Allow the string CERTIFICATE to be tolerated in PKCS#7 structures.
5295 Some CAs (e.g. Verisign) distribute certificates in this form.
5298 *) Remove the SSL_ALLOW_ADH compile option and set the default cipher
5299 list to exclude them. This means that no special compilation option
5300 is needed to use anonymous DH: it just needs to be included in the
5304 *) Change the EVP_MD_CTX_type macro so its meaning consistent with
5305 EVP_MD_type. The old functionality is available in a new macro called
5306 EVP_MD_md(). Change code that uses it and update docs.
5309 *) ..._ctrl functions now have corresponding ..._callback_ctrl functions
5310 where the 'void *' argument is replaced by a function pointer argument.
5311 Previously 'void *' was abused to point to functions, which works on
5312 many platforms, but is not correct. As these functions are usually
5313 called by macros defined in OpenSSL header files, most source code
5314 should work without changes.
5317 *) <openssl/opensslconf.h> (which is created by Configure) now contains
5318 sections with information on -D... compiler switches used for
5319 compiling the library so that applications can see them. To enable
5320 one of these sections, a pre-processor symbol OPENSSL_..._DEFINES
5321 must be defined. E.g.,
5322 #define OPENSSL_ALGORITHM_DEFINES
5323 #include <openssl/opensslconf.h>
5324 defines all pertinent NO_<algo> symbols, such as NO_IDEA, NO_RSA, etc.
5325 [Richard Levitte, Ulf and Bodo Möller]
5327 *) Bugfix: Tolerate fragmentation and interleaving in the SSL 3/TLS
5331 *) Change the 'other' type in certificate aux info to a STACK_OF
5332 X509_ALGOR. Although not an AlgorithmIdentifier as such it has
5333 the required ASN1 format: arbitrary types determined by an OID.
5336 *) Add some PEM_write_X509_REQ_NEW() functions and a command line
5337 argument to 'req'. This is not because the function is newer or
5338 better than others it just uses the work 'NEW' in the certificate
5339 request header lines. Some software needs this.
5342 *) Reorganise password command line arguments: now passwords can be
5343 obtained from various sources. Delete the PEM_cb function and make
5344 it the default behaviour: i.e. if the callback is NULL and the
5345 usrdata argument is not NULL interpret it as a null terminated pass
5346 phrase. If usrdata and the callback are NULL then the pass phrase
5347 is prompted for as usual.
5350 *) Add support for the Compaq Atalla crypto accelerator. If it is installed,
5351 the support is automatically enabled. The resulting binaries will
5352 autodetect the card and use it if present.
5353 [Ben Laurie and Compaq Inc.]
5355 *) Work around for Netscape hang bug. This sends certificate request
5356 and server done in one record. Since this is perfectly legal in the
5357 SSL/TLS protocol it isn't a "bug" option and is on by default. See
5358 the bugs/SSLv3 entry for more info.
5361 *) HP-UX tune-up: new unified configs, HP C compiler bug workaround.
5364 *) Add -rand argument to smime and pkcs12 applications and read/write
5368 *) New 'passwd' tool for crypt(3) and apr1 password hashes.
5371 *) Add command line password options to the remaining applications.
5374 *) Bug fix for BN_div_recp() for numerators with an even number of
5378 *) More tests in bntest.c, and changed test_bn output.
5381 *) ./config recognizes MacOS X now.
5384 *) Bug fix for BN_div() when the first words of num and divsor are
5385 equal (it gave wrong results if (rem=(n1-q*d0)&BN_MASK2) < d0).
5388 *) Add support for various broken PKCS#8 formats, and command line
5389 options to produce them.
5392 *) New functions BN_CTX_start(), BN_CTX_get() and BT_CTX_end() to
5393 get temporary BIGNUMs from a BN_CTX.
5396 *) Correct return values in BN_mod_exp_mont() and BN_mod_exp2_mont()
5400 *) Change the SSLeay_add_all_*() functions to OpenSSL_add_all_*() and
5401 include a #define from the old name to the new. The original intent
5402 was that statically linked binaries could for example just call
5403 SSLeay_add_all_ciphers() to just add ciphers to the table and not
5404 link with digests. This never worked becayse SSLeay_add_all_digests()
5405 and SSLeay_add_all_ciphers() were in the same source file so calling
5406 one would link with the other. They are now in separate source files.
5409 *) Add a new -notext option to 'ca' and a -pubkey option to 'spkac'.
5412 *) Use a less unusual form of the Miller-Rabin primality test (it used
5413 a binary algorithm for exponentiation integrated into the Miller-Rabin
5414 loop, our standard modexp algorithms are faster).
5417 *) Support for the EBCDIC character set completed.
5418 [Martin Kraemer <Martin.Kraemer@Mch.SNI.De>]
5420 *) Source code cleanups: use const where appropriate, eliminate casts,
5421 use void * instead of char * in lhash.
5424 *) Bugfix: ssl3_send_server_key_exchange was not restartable
5425 (the state was not changed to SSL3_ST_SW_KEY_EXCH_B, and because of
5426 this the server could overwrite ephemeral keys that the client
5430 *) Turn DSA_is_prime into a macro that calls BN_is_prime,
5431 using 50 iterations of the Rabin-Miller test.
5433 DSA_generate_parameters now uses BN_is_prime_fasttest (with 50
5434 iterations of the Rabin-Miller test as required by the appendix
5435 to FIPS PUB 186[-1]) instead of DSA_is_prime.
5436 As BN_is_prime_fasttest includes trial division, DSA parameter
5437 generation becomes much faster.
5439 This implies a change for the callback functions in DSA_is_prime
5440 and DSA_generate_parameters: The callback function is called once
5441 for each positive witness in the Rabin-Miller test, not just
5442 occasionally in the inner loop; and the parameters to the
5443 callback function now provide an iteration count for the outer
5444 loop rather than for the current invocation of the inner loop.
5445 DSA_generate_parameters additionally can call the callback
5446 function with an 'iteration count' of -1, meaning that a
5447 candidate has passed the trial division test (when q is generated
5448 from an application-provided seed, trial division is skipped).
5451 *) New function BN_is_prime_fasttest that optionally does trial
5452 division before starting the Rabin-Miller test and has
5453 an additional BN_CTX * argument (whereas BN_is_prime always
5454 has to allocate at least one BN_CTX).
5455 'callback(1, -1, cb_arg)' is called when a number has passed the
5456 trial division stage.
5459 *) Fix for bug in CRL encoding. The validity dates weren't being handled
5463 *) New -pkcs12 option to CA.pl script to write out a PKCS#12 file.
5466 *) New function BN_pseudo_rand().
5469 *) Clean up BN_mod_mul_montgomery(): replace the broken (and unreadable)
5470 bignum version of BN_from_montgomery() with the working code from
5471 SSLeay 0.9.0 (the word based version is faster anyway), and clean up
5475 *) Avoid a race condition in s2_clnt.c (function get_server_hello) that
5476 made it impossible to use the same SSL_SESSION data structure in
5477 SSL2 clients in multiple threads.
5480 *) The return value of RAND_load_file() no longer counts bytes obtained
5481 by stat(). RAND_load_file(..., -1) is new and uses the complete file
5482 to seed the PRNG (previously an explicit byte count was required).
5483 [Ulf Möller, Bodo Möller]
5485 *) Clean up CRYPTO_EX_DATA functions, some of these didn't have prototypes
5486 used (char *) instead of (void *) and had casts all over the place.
5489 *) Make BN_generate_prime() return NULL on error if ret!=NULL.
5492 *) Retain source code compatibility for BN_prime_checks macro:
5493 BN_is_prime(..., BN_prime_checks, ...) now uses
5494 BN_prime_checks_for_size to determine the appropriate number of
5495 Rabin-Miller iterations.
5498 *) Diffie-Hellman uses "safe" primes: DH_check() return code renamed to
5499 DH_CHECK_P_NOT_SAFE_PRIME.
5500 (Check if this is true? OpenPGP calls them "strong".)
5503 *) Merge the functionality of "dh" and "gendh" programs into a new program
5504 "dhparam". The old programs are retained for now but will handle DH keys
5505 (instead of parameters) in future.
5508 *) Make the ciphers, s_server and s_client programs check the return values
5509 when a new cipher list is set.
5512 *) Enhance the SSL/TLS cipher mechanism to correctly handle the TLS 56bit
5513 ciphers. Before when the 56bit ciphers were enabled the sorting was
5516 The syntax for the cipher sorting has been extended to support sorting by
5517 cipher-strength (using the strength_bits hard coded in the tables).
5518 The new command is "@STRENGTH" (see also doc/apps/ciphers.pod).
5520 Fix a bug in the cipher-command parser: when supplying a cipher command
5521 string with an "undefined" symbol (neither command nor alphanumeric
5522 [A-Za-z0-9], ssl_set_cipher_list used to hang in an endless loop. Now
5523 an error is flagged.
5525 Due to the strength-sorting extension, the code of the
5526 ssl_create_cipher_list() function was completely rearranged. I hope that
5527 the readability was also increased :-)
5528 [Lutz Jaenicke <Lutz.Jaenicke@aet.TU-Cottbus.DE>]
5530 *) Minor change to 'x509' utility. The -CAcreateserial option now uses 1
5531 for the first serial number and places 2 in the serial number file. This
5532 avoids problems when the root CA is created with serial number zero and
5533 the first user certificate has the same issuer name and serial number
5537 *) Fixes to X509_ATTRIBUTE utilities, change the 'req' program so it uses
5538 the new code. Add documentation for this stuff.
5541 *) Changes to X509_ATTRIBUTE utilities. These have been renamed from
5542 X509_*() to X509at_*() on the grounds that they don't handle X509
5543 structures and behave in an analagous way to the X509v3 functions:
5544 they shouldn't be called directly but wrapper functions should be used
5547 So we also now have some wrapper functions that call the X509at functions
5548 when passed certificate requests. (TO DO: similar things can be done with
5549 PKCS#7 signed and unsigned attributes, PKCS#12 attributes and a few other
5550 things. Some of these need some d2i or i2d and print functionality
5551 because they handle more complex structures.)
5554 *) Add missing #ifndefs that caused missing symbols when building libssl
5555 as a shared library without RSA. Use #ifndef NO_SSL2 instead of
5556 NO_RSA in ssl/s2*.c.
5557 [Kris Kennaway <kris@hub.freebsd.org>, modified by Ulf Möller]
5559 *) Precautions against using the PRNG uninitialized: RAND_bytes() now
5560 has a return value which indicates the quality of the random data
5561 (1 = ok, 0 = not seeded). Also an error is recorded on the thread's
5562 error queue. New function RAND_pseudo_bytes() generates output that is
5563 guaranteed to be unique but not unpredictable. RAND_add is like
5564 RAND_seed, but takes an extra argument for an entropy estimate
5565 (RAND_seed always assumes full entropy).
5568 *) Do more iterations of Rabin-Miller probable prime test (specifically,
5569 3 for 1024-bit primes, 6 for 512-bit primes, 12 for 256-bit primes
5570 instead of only 2 for all lengths; see BN_prime_checks_for_size definition
5571 in crypto/bn/bn_prime.c for the complete table). This guarantees a
5572 false-positive rate of at most 2^-80 for random input.
5575 *) Rewrite ssl3_read_n (ssl/s3_pkt.c) avoiding a couple of bugs.
5578 *) New function X509_CTX_rget_chain() (renamed to X509_CTX_get1_chain
5579 in the 0.9.5 release), this returns the chain
5580 from an X509_CTX structure with a dup of the stack and all
5581 the X509 reference counts upped: so the stack will exist
5582 after X509_CTX_cleanup() has been called. Modify pkcs12.c
5585 Also make SSL_SESSION_print() print out the verify return
5589 *) Add manpage for the pkcs12 command. Also change the default
5590 behaviour so MAC iteration counts are used unless the new
5591 -nomaciter option is used. This improves file security and
5592 only older versions of MSIE (4.0 for example) need it.
5595 *) Honor the no-xxx Configure options when creating .DEF files.
5598 *) Add PKCS#10 attributes to field table: challengePassword,
5599 unstructuredName and unstructuredAddress. These are taken from
5600 draft PKCS#9 v2.0 but are compatible with v1.2 provided no
5601 international characters are used.
5603 More changes to X509_ATTRIBUTE code: allow the setting of types
5604 based on strings. Remove the 'loc' parameter when adding
5605 attributes because these will be a SET OF encoding which is sorted
5609 *) Initial changes to the 'req' utility to allow request generation
5610 automation. This will allow an application to just generate a template
5611 file containing all the field values and have req construct the
5614 Initial support for X509_ATTRIBUTE handling. Stacks of these are
5615 used all over the place including certificate requests and PKCS#7
5616 structures. They are currently handled manually where necessary with
5617 some primitive wrappers for PKCS#7. The new functions behave in a
5618 manner analogous to the X509 extension functions: they allow
5619 attributes to be looked up by NID and added.
5621 Later something similar to the X509V3 code would be desirable to
5622 automatically handle the encoding, decoding and printing of the
5623 more complex types. The string types like challengePassword can
5624 be handled by the string table functions.
5626 Also modified the multi byte string table handling. Now there is
5627 a 'global mask' which masks out certain types. The table itself
5628 can use the flag STABLE_NO_MASK to ignore the mask setting: this
5629 is useful when for example there is only one permissible type
5630 (as in countryName) and using the mask might result in no valid
5634 *) Clean up 'Finished' handling, and add functions SSL_get_finished and
5635 SSL_get_peer_finished to allow applications to obtain the latest
5636 Finished messages sent to the peer or expected from the peer,
5637 respectively. (SSL_get_peer_finished is usually the Finished message
5638 actually received from the peer, otherwise the protocol will be aborted.)
5640 As the Finished message are message digests of the complete handshake
5641 (with a total of 192 bits for TLS 1.0 and more for SSL 3.0), they can
5642 be used for external authentication procedures when the authentication
5643 provided by SSL/TLS is not desired or is not enough.
5646 *) Enhanced support for Alpha Linux is added. Now ./config checks if
5647 the host supports BWX extension and if Compaq C is present on the
5648 $PATH. Just exploiting of the BWX extension results in 20-30%
5649 performance kick for some algorithms, e.g. DES and RC4 to mention
5650 a couple. Compaq C in turn generates ~20% faster code for MD5 and
5654 *) Add support for MS "fast SGC". This is arguably a violation of the
5655 SSL3/TLS protocol. Netscape SGC does two handshakes: the first with
5656 weak crypto and after checking the certificate is SGC a second one
5657 with strong crypto. MS SGC stops the first handshake after receiving
5658 the server certificate message and sends a second client hello. Since
5659 a server will typically do all the time consuming operations before
5660 expecting any further messages from the client (server key exchange
5661 is the most expensive) there is little difference between the two.
5663 To get OpenSSL to support MS SGC we have to permit a second client
5664 hello message after we have sent server done. In addition we have to
5665 reset the MAC if we do get this second client hello.
5668 *) Add a function 'd2i_AutoPrivateKey()' this will automatically decide
5669 if a DER encoded private key is RSA or DSA traditional format. Changed
5670 d2i_PrivateKey_bio() to use it. This is only needed for the "traditional"
5671 format DER encoded private key. Newer code should use PKCS#8 format which
5672 has the key type encoded in the ASN1 structure. Added DER private key
5673 support to pkcs8 application.
5676 *) SSL 3/TLS 1 servers now don't request certificates when an anonymous
5677 ciphersuites has been selected (as required by the SSL 3/TLS 1
5678 specifications). Exception: When SSL_VERIFY_FAIL_IF_NO_PEER_CERT
5679 is set, we interpret this as a request to violate the specification
5680 (the worst that can happen is a handshake failure, and 'correct'
5681 behaviour would result in a handshake failure anyway).
5684 *) In SSL_CTX_add_session, take into account that there might be multiple
5685 SSL_SESSION structures with the same session ID (e.g. when two threads
5686 concurrently obtain them from an external cache).
5687 The internal cache can handle only one SSL_SESSION with a given ID,
5688 so if there's a conflict, we now throw out the old one to achieve
5692 *) Add OIDs for idea and blowfish in CBC mode. This will allow both
5693 to be used in PKCS#5 v2.0 and S/MIME. Also add checking to
5694 some routines that use cipher OIDs: some ciphers do not have OIDs
5695 defined and so they cannot be used for S/MIME and PKCS#5 v2.0 for
5699 *) Simplify the trust setting structure and code. Now we just have
5700 two sequences of OIDs for trusted and rejected settings. These will
5701 typically have values the same as the extended key usage extension
5702 and any application specific purposes.
5704 The trust checking code now has a default behaviour: it will just
5705 check for an object with the same NID as the passed id. Functions can
5706 be provided to override either the default behaviour or the behaviour
5707 for a given id. SSL client, server and email already have functions
5708 in place for compatibility: they check the NID and also return "trusted"
5709 if the certificate is self signed.
5712 *) Add d2i,i2d bio/fp functions for PrivateKey: these convert the
5713 traditional format into an EVP_PKEY structure.
5716 *) Add a password callback function PEM_cb() which either prompts for
5717 a password if usr_data is NULL or otherwise assumes it is a null
5718 terminated password. Allow passwords to be passed on command line
5719 environment or config files in a few more utilities.
5722 *) Add a bunch of DER and PEM functions to handle PKCS#8 format private
5723 keys. Add some short names for PKCS#8 PBE algorithms and allow them
5724 to be specified on the command line for the pkcs8 and pkcs12 utilities.
5725 Update documentation.
5728 *) Support for ASN1 "NULL" type. This could be handled before by using
5729 ASN1_TYPE but there wasn't any function that would try to read a NULL
5730 and produce an error if it couldn't. For compatibility we also have
5731 ASN1_NULL_new() and ASN1_NULL_free() functions but these are faked and
5732 don't allocate anything because they don't need to.
5735 *) Initial support for MacOS is now provided. Examine INSTALL.MacOS
5737 [Andy Polyakov, Roy Woods <roy@centicsystems.ca>]
5739 *) Rebuild of the memory allocation routines used by OpenSSL code and
5740 possibly others as well. The purpose is to make an interface that
5741 provide hooks so anyone can build a separate set of allocation and
5742 deallocation routines to be used by OpenSSL, for example memory
5743 pool implementations, or something else, which was previously hard
5744 since Malloc(), Realloc() and Free() were defined as macros having
5745 the values malloc, realloc and free, respectively (except for Win32
5746 compilations). The same is provided for memory debugging code.
5747 OpenSSL already comes with functionality to find memory leaks, but
5748 this gives people a chance to debug other memory problems.
5750 With these changes, a new set of functions and macros have appeared:
5752 CRYPTO_set_mem_debug_functions() [F]
5753 CRYPTO_get_mem_debug_functions() [F]
5754 CRYPTO_dbg_set_options() [F]
5755 CRYPTO_dbg_get_options() [F]
5756 CRYPTO_malloc_debug_init() [M]
5758 The memory debug functions are NULL by default, unless the library
5759 is compiled with CRYPTO_MDEBUG or friends is defined. If someone
5760 wants to debug memory anyway, CRYPTO_malloc_debug_init() (which
5761 gives the standard debugging functions that come with OpenSSL) or
5762 CRYPTO_set_mem_debug_functions() (tells OpenSSL to use functions
5763 provided by the library user) must be used. When the standard
5764 debugging functions are used, CRYPTO_dbg_set_options can be used to
5765 request additional information:
5766 CRYPTO_dbg_set_options(V_CYRPTO_MDEBUG_xxx) corresponds to setting
5767 the CRYPTO_MDEBUG_xxx macro when compiling the library.
5769 Also, things like CRYPTO_set_mem_functions will always give the
5770 expected result (the new set of functions is used for allocation
5771 and deallocation) at all times, regardless of platform and compiler
5774 To finish it up, some functions that were never use in any other
5775 way than through macros have a new API and new semantic:
5778 CRYPTO_dbg_realloc()
5781 All macros of value have retained their old syntax.
5782 [Richard Levitte and Bodo Moeller]
5784 *) Some S/MIME fixes. The OID for SMIMECapabilities was wrong, the
5785 ordering of SMIMECapabilities wasn't in "strength order" and there
5786 was a missing NULL in the AlgorithmIdentifier for the SHA1 signature
5790 *) Some ASN1 types with illegal zero length encoding (INTEGER,
5791 ENUMERATED and OBJECT IDENTIFIER) choked the ASN1 routines.
5792 [Frans Heymans <fheymans@isaserver.be>, modified by Steve Henson]
5794 *) Merge in my S/MIME library for OpenSSL. This provides a simple
5795 S/MIME API on top of the PKCS#7 code, a MIME parser (with enough
5796 functionality to handle multipart/signed properly) and a utility
5797 called 'smime' to call all this stuff. This is based on code I
5798 originally wrote for Celo who have kindly allowed it to be
5799 included in OpenSSL.
5802 *) Add variants des_set_key_checked and des_set_key_unchecked of
5803 des_set_key (aka des_key_sched). Global variable des_check_key
5804 decides which of these is called by des_set_key; this way
5805 des_check_key behaves as it always did, but applications and
5806 the library itself, which was buggy for des_check_key == 1,
5807 have a cleaner way to pick the version they need.
5810 *) New function PKCS12_newpass() which changes the password of a
5814 *) Modify X509_TRUST and X509_PURPOSE so it also uses a static and
5815 dynamic mix. In both cases the ids can be used as an index into the
5816 table. Also modified the X509_TRUST_add() and X509_PURPOSE_add()
5817 functions so they accept a list of the field values and the
5818 application doesn't need to directly manipulate the X509_TRUST
5822 *) Modify the ASN1_STRING_TABLE stuff so it also uses bsearch and doesn't
5826 *) Modify the way the V3 extension code looks up extensions. This now
5827 works in a similar way to the object code: we have some "standard"
5828 extensions in a static table which is searched with OBJ_bsearch()
5829 and the application can add dynamic ones if needed. The file
5830 crypto/x509v3/ext_dat.h now has the info: this file needs to be
5831 updated whenever a new extension is added to the core code and kept
5832 in ext_nid order. There is a simple program 'tabtest.c' which checks
5833 this. New extensions are not added too often so this file can readily
5834 be maintained manually.
5836 There are two big advantages in doing things this way. The extensions
5837 can be looked up immediately and no longer need to be "added" using
5838 X509V3_add_standard_extensions(): this function now does nothing.
5839 [Side note: I get *lots* of email saying the extension code doesn't
5840 work because people forget to call this function]
5841 Also no dynamic allocation is done unless new extensions are added:
5842 so if we don't add custom extensions there is no need to call
5843 X509V3_EXT_cleanup().
5846 *) Modify enc utility's salting as follows: make salting the default. Add a
5847 magic header, so unsalted files fail gracefully instead of just decrypting
5848 to garbage. This is because not salting is a big security hole, so people
5849 should be discouraged from doing it.
5852 *) Fixes and enhancements to the 'x509' utility. It allowed a message
5853 digest to be passed on the command line but it only used this
5854 parameter when signing a certificate. Modified so all relevant
5855 operations are affected by the digest parameter including the
5856 -fingerprint and -x509toreq options. Also -x509toreq choked if a
5857 DSA key was used because it didn't fix the digest.
5860 *) Initial certificate chain verify code. Currently tests the untrusted
5861 certificates for consistency with the verify purpose (which is set
5862 when the X509_STORE_CTX structure is set up) and checks the pathlength.
5864 There is a NO_CHAIN_VERIFY compilation option to keep the old behaviour:
5865 this is because it will reject chains with invalid extensions whereas
5866 every previous version of OpenSSL and SSLeay made no checks at all.
5868 Trust code: checks the root CA for the relevant trust settings. Trust
5869 settings have an initial value consistent with the verify purpose: e.g.
5870 if the verify purpose is for SSL client use it expects the CA to be
5871 trusted for SSL client use. However the default value can be changed to
5872 permit custom trust settings: one example of this would be to only trust
5873 certificates from a specific "secure" set of CAs.
5875 Also added X509_STORE_CTX_new() and X509_STORE_CTX_free() functions
5876 which should be used for version portability: especially since the
5877 verify structure is likely to change more often now.
5879 SSL integration. Add purpose and trust to SSL_CTX and SSL and functions
5880 to set them. If not set then assume SSL clients will verify SSL servers
5883 Two new options to the verify program: -untrusted allows a set of
5884 untrusted certificates to be passed in and -purpose which sets the
5885 intended purpose of the certificate. If a purpose is set then the
5886 new chain verify code is used to check extension consistency.
5889 *) Support for the authority information access extension.
5892 *) Modify RSA and DSA PEM read routines to transparently handle
5893 PKCS#8 format private keys. New *_PUBKEY_* functions that handle
5894 public keys in a format compatible with certificate
5895 SubjectPublicKeyInfo structures. Unfortunately there were already
5896 functions called *_PublicKey_* which used various odd formats so
5897 these are retained for compatibility: however the DSA variants were
5898 never in a public release so they have been deleted. Changed dsa/rsa
5899 utilities to handle the new format: note no releases ever handled public
5900 keys so we should be OK.
5902 The primary motivation for this change is to avoid the same fiasco
5903 that dogs private keys: there are several incompatible private key
5904 formats some of which are standard and some OpenSSL specific and
5905 require various evil hacks to allow partial transparent handling and
5906 even then it doesn't work with DER formats. Given the option anything
5907 other than PKCS#8 should be dumped: but the other formats have to
5908 stay in the name of compatibility.
5910 With public keys and the benefit of hindsight one standard format
5911 is used which works with EVP_PKEY, RSA or DSA structures: though
5912 it clearly returns an error if you try to read the wrong kind of key.
5914 Added a -pubkey option to the 'x509' utility to output the public key.
5915 Also rename the EVP_PKEY_get_*() to EVP_PKEY_rget_*()
5916 (renamed to EVP_PKEY_get1_*() in the OpenSSL 0.9.5 release) and add
5917 EVP_PKEY_rset_*() functions (renamed to EVP_PKEY_set1_*())
5918 that do the same as the EVP_PKEY_assign_*() except they up the
5919 reference count of the added key (they don't "swallow" the
5923 *) Fixes to crypto/x509/by_file.c the code to read in certificates and
5924 CRLs would fail if the file contained no certificates or no CRLs:
5925 added a new function to read in both types and return the number
5926 read: this means that if none are read it will be an error. The
5927 DER versions of the certificate and CRL reader would always fail
5928 because it isn't possible to mix certificates and CRLs in DER format
5929 without choking one or the other routine. Changed this to just read
5930 a certificate: this is the best we can do. Also modified the code
5931 in apps/verify.c to take notice of return codes: it was previously
5932 attempting to read in certificates from NULL pointers and ignoring
5933 any errors: this is one reason why the cert and CRL reader seemed
5934 to work. It doesn't check return codes from the default certificate
5935 routines: these may well fail if the certificates aren't installed.
5938 *) Code to support otherName option in GeneralName.
5941 *) First update to verify code. Change the verify utility
5942 so it warns if it is passed a self signed certificate:
5943 for consistency with the normal behaviour. X509_verify
5944 has been modified to it will now verify a self signed
5945 certificate if *exactly* the same certificate appears
5946 in the store: it was previously impossible to trust a
5947 single self signed certificate. This means that:
5948 openssl verify ss.pem
5949 now gives a warning about a self signed certificate but
5950 openssl verify -CAfile ss.pem ss.pem
5954 *) For servers, store verify_result in SSL_SESSION data structure
5955 (and add it to external session representation).
5956 This is needed when client certificate verifications fails,
5957 but an application-provided verification callback (set by
5958 SSL_CTX_set_cert_verify_callback) allows accepting the session
5959 anyway (i.e. leaves x509_store_ctx->error != X509_V_OK
5960 but returns 1): When the session is reused, we have to set
5961 ssl->verify_result to the appropriate error code to avoid
5963 [Bodo Moeller, problem pointed out by Lutz Jaenicke]
5965 *) Fix a bug in the new PKCS#7 code: it didn't consider the
5966 case in PKCS7_dataInit() where the signed PKCS7 structure
5967 didn't contain any existing data because it was being created.
5968 [Po-Cheng Chen <pocheng@nst.com.tw>, slightly modified by Steve Henson]
5970 *) Add a salt to the key derivation routines in enc.c. This
5971 forms the first 8 bytes of the encrypted file. Also add a
5972 -S option to allow a salt to be input on the command line.
5975 *) New function X509_cmp(). Oddly enough there wasn't a function
5976 to compare two certificates. We do this by working out the SHA1
5977 hash and comparing that. X509_cmp() will be needed by the trust
5981 *) SSL_get1_session() is like SSL_get_session(), but increments
5982 the reference count in the SSL_SESSION returned.
5983 [Geoff Thorpe <geoff@eu.c2.net>]
5985 *) Fix for 'req': it was adding a null to request attributes.
5986 Also change the X509_LOOKUP and X509_INFO code to handle
5987 certificate auxiliary information.
5990 *) Add support for 40 and 64 bit RC2 and RC4 algorithms: document
5994 *) Add the possibility to add extra information to the memory leak
5995 detecting output, to form tracebacks, showing from where each
5996 allocation was originated: CRYPTO_push_info("constant string") adds
5997 the string plus current file name and line number to a per-thread
5998 stack, CRYPTO_pop_info() does the obvious, CRYPTO_remove_all_info()
5999 is like calling CYRPTO_pop_info() until the stack is empty.
6000 Also updated memory leak detection code to be multi-thread-safe.
6003 *) Add options -text and -noout to pkcs7 utility and delete the
6004 encryption options which never did anything. Update docs.
6007 *) Add options to some of the utilities to allow the pass phrase
6008 to be included on either the command line (not recommended on
6009 OSes like Unix) or read from the environment. Update the
6010 manpages and fix a few bugs.
6013 *) Add a few manpages for some of the openssl commands.
6016 *) Fix the -revoke option in ca. It was freeing up memory twice,
6017 leaking and not finding already revoked certificates.
6020 *) Extensive changes to support certificate auxiliary information.
6021 This involves the use of X509_CERT_AUX structure and X509_AUX
6022 functions. An X509_AUX function such as PEM_read_X509_AUX()
6023 can still read in a certificate file in the usual way but it
6024 will also read in any additional "auxiliary information". By
6025 doing things this way a fair degree of compatibility can be
6026 retained: existing certificates can have this information added
6027 using the new 'x509' options.
6029 Current auxiliary information includes an "alias" and some trust
6030 settings. The trust settings will ultimately be used in enhanced
6031 certificate chain verification routines: currently a certificate
6032 can only be trusted if it is self signed and then it is trusted
6036 *) Fix assembler for Alpha (tested only on DEC OSF not Linux or *BSD).
6037 The problem was that one of the replacement routines had not been working
6038 since SSLeay releases. For now the offending routine has been replaced
6039 with non-optimised assembler. Even so, this now gives around 95%
6040 performance improvement for 1024 bit RSA signs.
6043 *) Hack to fix PKCS#7 decryption when used with some unorthodox RC2
6044 handling. Most clients have the effective key size in bits equal to
6045 the key length in bits: so a 40 bit RC2 key uses a 40 bit (5 byte) key.
6046 A few however don't do this and instead use the size of the decrypted key
6047 to determine the RC2 key length and the AlgorithmIdentifier to determine
6048 the effective key length. In this case the effective key length can still
6049 be 40 bits but the key length can be 168 bits for example. This is fixed
6050 by manually forcing an RC2 key into the EVP_PKEY structure because the
6051 EVP code can't currently handle unusual RC2 key sizes: it always assumes
6052 the key length and effective key length are equal.
6055 *) Add a bunch of functions that should simplify the creation of
6056 X509_NAME structures. Now you should be able to do:
6057 X509_NAME_add_entry_by_txt(nm, "CN", MBSTRING_ASC, "Steve", -1, -1, 0);
6058 and have it automatically work out the correct field type and fill in
6059 the structures. The more adventurous can try:
6060 X509_NAME_add_entry_by_txt(nm, field, MBSTRING_UTF8, str, -1, -1, 0);
6061 and it will (hopefully) work out the correct multibyte encoding.
6064 *) Change the 'req' utility to use the new field handling and multibyte
6065 copy routines. Before the DN field creation was handled in an ad hoc
6066 way in req, ca, and x509 which was rather broken and didn't support
6067 BMPStrings or UTF8Strings. Since some software doesn't implement
6068 BMPStrings or UTF8Strings yet, they can be enabled using the config file
6069 using the dirstring_type option. See the new comment in the default
6070 openssl.cnf for more info.
6073 *) Make crypto/rand/md_rand.c more robust:
6074 - Assure unique random numbers after fork().
6075 - Make sure that concurrent threads access the global counter and
6076 md serializably so that we never lose entropy in them
6077 or use exactly the same state in multiple threads.
6078 Access to the large state is not always serializable because
6079 the additional locking could be a performance killer, and
6080 md should be large enough anyway.
6083 *) New file apps/app_rand.c with commonly needed functionality
6084 for handling the random seed file.
6086 Use the random seed file in some applications that previously did not:
6088 dsaparam -genkey (which also ignored its '-rand' option),
6091 x509 (when signing).
6092 Except on systems with /dev/urandom, it is crucial to have a random
6093 seed file at least for key creation, DSA signing, and for DH exchanges;
6094 for RSA signatures we could do without one.
6096 gendh and gendsa (unlike genrsa) used to read only the first byte
6097 of each file listed in the '-rand' option. The function as previously
6098 found in genrsa is now in app_rand.c and is used by all programs
6099 that support '-rand'.
6102 *) In RAND_write_file, use mode 0600 for creating files;
6103 don't just chmod when it may be too late.
6106 *) Report an error from X509_STORE_load_locations
6107 when X509_LOOKUP_load_file or X509_LOOKUP_add_dir failed.
6110 *) New function ASN1_mbstring_copy() this copies a string in either
6111 ASCII, Unicode, Universal (4 bytes per character) or UTF8 format
6112 into an ASN1_STRING type. A mask of permissible types is passed
6113 and it chooses the "minimal" type to use or an error if not type
6117 *) Add function equivalents to the various macros in asn1.h. The old
6118 macros are retained with an M_ prefix. Code inside the library can
6119 use the M_ macros. External code (including the openssl utility)
6120 should *NOT* in order to be "shared library friendly".
6123 *) Add various functions that can check a certificate's extensions
6124 to see if it usable for various purposes such as SSL client,
6125 server or S/MIME and CAs of these types. This is currently
6126 VERY EXPERIMENTAL but will ultimately be used for certificate chain
6127 verification. Also added a -purpose flag to x509 utility to
6128 print out all the purposes.
6131 *) Add a CRYPTO_EX_DATA to X509 certificate structure and associated
6135 *) New X509V3_{X509,CRL,REVOKED}_get_d2i() functions. These will search
6136 for, obtain and decode and extension and obtain its critical flag.
6137 This allows all the necessary extension code to be handled in a
6138 single function call.
6141 *) RC4 tune-up featuring 30-40% performance improvement on most RISC
6142 platforms. See crypto/rc4/rc4_enc.c for further details.
6145 *) New -noout option to asn1parse. This causes no output to be produced
6146 its main use is when combined with -strparse and -out to extract data
6147 from a file (which may not be in ASN.1 format).
6150 *) Fix for pkcs12 program. It was hashing an invalid certificate pointer
6151 when producing the local key id.
6152 [Richard Levitte <levitte@stacken.kth.se>]
6154 *) New option -dhparam in s_server. This allows a DH parameter file to be
6155 stated explicitly. If it is not stated then it tries the first server
6156 certificate file. The previous behaviour hard coded the filename
6160 *) Add -pubin and -pubout options to the rsa and dsa commands. These allow
6161 a public key to be input or output. For example:
6162 openssl rsa -in key.pem -pubout -out pubkey.pem
6163 Also added necessary DSA public key functions to handle this.
6166 *) Fix so PKCS7_dataVerify() doesn't crash if no certificates are contained
6167 in the message. This was handled by allowing
6168 X509_find_by_issuer_and_serial() to tolerate a NULL passed to it.
6169 [Steve Henson, reported by Sampo Kellomaki <sampo@mail.neuronio.pt>]
6171 *) Fix for bug in d2i_ASN1_bytes(): other ASN1 functions add an extra null
6172 to the end of the strings whereas this didn't. This would cause problems
6173 if strings read with d2i_ASN1_bytes() were later modified.
6174 [Steve Henson, reported by Arne Ansper <arne@ats.cyber.ee>]
6176 *) Fix for base64 decode bug. When a base64 bio reads only one line of
6177 data and it contains EOF it will end up returning an error. This is
6178 caused by input 46 bytes long. The cause is due to the way base64
6179 BIOs find the start of base64 encoded data. They do this by trying a
6180 trial decode on each line until they find one that works. When they
6181 do a flag is set and it starts again knowing it can pass all the
6182 data directly through the decoder. Unfortunately it doesn't reset
6183 the context it uses. This means that if EOF is reached an attempt
6184 is made to pass two EOFs through the context and this causes the
6185 resulting error. This can also cause other problems as well. As is
6186 usual with these problems it takes *ages* to find and the fix is
6187 trivial: move one line.
6188 [Steve Henson, reported by ian@uns.ns.ac.yu (Ivan Nejgebauer) ]
6190 *) Ugly workaround to get s_client and s_server working under Windows. The
6191 old code wouldn't work because it needed to select() on sockets and the
6192 tty (for keypresses and to see if data could be written). Win32 only
6193 supports select() on sockets so we select() with a 1s timeout on the
6194 sockets and then see if any characters are waiting to be read, if none
6195 are present then we retry, we also assume we can always write data to
6196 the tty. This isn't nice because the code then blocks until we've
6197 received a complete line of data and it is effectively polling the
6198 keyboard at 1s intervals: however it's quite a bit better than not
6199 working at all :-) A dedicated Windows application might handle this
6200 with an event loop for example.
6203 *) Enhance RSA_METHOD structure. Now there are two extra methods, rsa_sign
6204 and rsa_verify. When the RSA_FLAGS_SIGN_VER option is set these functions
6205 will be called when RSA_sign() and RSA_verify() are used. This is useful
6206 if rsa_pub_dec() and rsa_priv_enc() equivalents are not available.
6207 For this to work properly RSA_public_decrypt() and RSA_private_encrypt()
6208 should *not* be used: RSA_sign() and RSA_verify() must be used instead.
6209 This necessitated the support of an extra signature type NID_md5_sha1
6210 for SSL signatures and modifications to the SSL library to use it instead
6211 of calling RSA_public_decrypt() and RSA_private_encrypt().
6214 *) Add new -verify -CAfile and -CApath options to the crl program, these
6215 will lookup a CRL issuers certificate and verify the signature in a
6216 similar way to the verify program. Tidy up the crl program so it
6217 no longer accesses structures directly. Make the ASN1 CRL parsing a bit
6218 less strict. It will now permit CRL extensions even if it is not
6219 a V2 CRL: this will allow it to tolerate some broken CRLs.
6222 *) Initialize all non-automatic variables each time one of the openssl
6223 sub-programs is started (this is necessary as they may be started
6224 multiple times from the "OpenSSL>" prompt).
6225 [Lennart Bang, Bodo Moeller]
6227 *) Preliminary compilation option RSA_NULL which disables RSA crypto without
6228 removing all other RSA functionality (this is what NO_RSA does). This
6229 is so (for example) those in the US can disable those operations covered
6230 by the RSA patent while allowing storage and parsing of RSA keys and RSA
6234 *) Non-copying interface to BIO pairs.
6235 (still largely untested)
6238 *) New function ANS1_tag2str() to convert an ASN1 tag to a descriptive
6239 ASCII string. This was handled independently in various places before.
6242 *) New functions UTF8_getc() and UTF8_putc() that parse and generate
6243 UTF8 strings a character at a time.
6246 *) Use client_version from client hello to select the protocol
6247 (s23_srvr.c) and for RSA client key exchange verification
6248 (s3_srvr.c), as required by the SSL 3.0/TLS 1.0 specifications.
6251 *) Add various utility functions to handle SPKACs, these were previously
6252 handled by poking round in the structure internals. Added new function
6253 NETSCAPE_SPKI_print() to print out SPKAC and a new utility 'spkac' to
6254 print, verify and generate SPKACs. Based on an original idea from
6255 Massimiliano Pala <madwolf@comune.modena.it> but extensively modified.
6258 *) RIPEMD160 is operational on all platforms and is back in 'make test'.
6261 *) Allow the config file extension section to be overwritten on the
6262 command line. Based on an original idea from Massimiliano Pala
6263 <madwolf@comune.modena.it>. The new option is called -extensions
6264 and can be applied to ca, req and x509. Also -reqexts to override
6265 the request extensions in req and -crlexts to override the crl extensions
6269 *) Add new feature to the SPKAC handling in ca. Now you can include
6270 the same field multiple times by preceding it by "XXXX." for example:
6273 this is the same syntax as used in the req config file.
6276 *) Allow certificate extensions to be added to certificate requests. These
6277 are specified in a 'req_extensions' option of the req section of the
6278 config file. They can be printed out with the -text option to req but
6279 are otherwise ignored at present.
6282 *) Fix a horrible bug in enc_read() in crypto/evp/bio_enc.c: if the first
6283 data read consists of only the final block it would not decrypted because
6284 EVP_CipherUpdate() would correctly report zero bytes had been decrypted.
6285 A misplaced 'break' also meant the decrypted final block might not be
6286 copied until the next read.
6289 *) Initial support for DH_METHOD. Again based on RSA_METHOD. Also added
6290 a few extra parameters to the DH structure: these will be useful if
6291 for example we want the value of 'q' or implement X9.42 DH.
6294 *) Initial support for DSA_METHOD. This is based on the RSA_METHOD and
6295 provides hooks that allow the default DSA functions or functions on a
6296 "per key" basis to be replaced. This allows hardware acceleration and
6297 hardware key storage to be handled without major modification to the
6298 library. Also added low level modexp hooks and CRYPTO_EX structure and
6299 associated functions.
6302 *) Add a new flag to memory BIOs, BIO_FLAG_MEM_RDONLY. This marks the BIO
6303 as "read only": it can't be written to and the buffer it points to will
6304 not be freed. Reading from a read only BIO is much more efficient than
6305 a normal memory BIO. This was added because there are several times when
6306 an area of memory needs to be read from a BIO. The previous method was
6307 to create a memory BIO and write the data to it, this results in two
6308 copies of the data and an O(n^2) reading algorithm. There is a new
6309 function BIO_new_mem_buf() which creates a read only memory BIO from
6310 an area of memory. Also modified the PKCS#7 routines to use read only
6314 *) Bugfix: ssl23_get_client_hello did not work properly when called in
6315 state SSL23_ST_SR_CLNT_HELLO_B, i.e. when the first 7 bytes of
6316 a SSLv2-compatible client hello for SSLv3 or TLSv1 could be read,
6317 but a retry condition occured while trying to read the rest.
6320 *) The PKCS7_ENC_CONTENT_new() function was setting the content type as
6321 NID_pkcs7_encrypted by default: this was wrong since this should almost
6322 always be NID_pkcs7_data. Also modified the PKCS7_set_type() to handle
6323 the encrypted data type: this is a more sensible place to put it and it
6324 allows the PKCS#12 code to be tidied up that duplicated this
6328 *) Changed obj_dat.pl script so it takes its input and output files on
6329 the command line. This should avoid shell escape redirection problems
6333 *) Initial support for certificate extension requests, these are included
6334 in things like Xenroll certificate requests. Included functions to allow
6335 extensions to be obtained and added.
6338 *) -crlf option to s_client and s_server for sending newlines as
6339 CRLF (as required by many protocols).
6342 Changes between 0.9.3a and 0.9.4 [09 Aug 1999]
6344 *) Install libRSAglue.a when OpenSSL is built with RSAref.
6345 [Ralf S. Engelschall]
6347 *) A few more ``#ifndef NO_FP_API / #endif'' pairs for consistency.
6348 [Andrija Antonijevic <TheAntony2@bigfoot.com>]
6350 *) Fix -startdate and -enddate (which was missing) arguments to 'ca'
6354 *) New function DSA_dup_DH, which duplicates DSA parameters/keys as
6355 DH parameters/keys (q is lost during that conversion, but the resulting
6356 DH parameters contain its length).
6358 For 1024-bit p, DSA_generate_parameters followed by DSA_dup_DH is
6359 much faster than DH_generate_parameters (which creates parameters
6360 where p = 2*q + 1), and also the smaller q makes DH computations
6361 much more efficient (160-bit exponentiation instead of 1024-bit
6362 exponentiation); so this provides a convenient way to support DHE
6363 ciphersuites in SSL/TLS servers (see ssl/ssltest.c). It is of
6364 utter importance to use
6365 SSL_CTX_set_options(s_ctx, SSL_OP_SINGLE_DH_USE);
6367 SSL_set_options(s_ctx, SSL_OP_SINGLE_DH_USE);
6368 when such DH parameters are used, because otherwise small subgroup
6369 attacks may become possible!
6372 *) Avoid memory leak in i2d_DHparams.
6375 *) Allow the -k option to be used more than once in the enc program:
6376 this allows the same encrypted message to be read by multiple recipients.
6379 *) New function OBJ_obj2txt(buf, buf_len, a, no_name), this converts
6380 an ASN1_OBJECT to a text string. If the "no_name" parameter is set then
6381 it will always use the numerical form of the OID, even if it has a short
6385 *) Added an extra RSA flag: RSA_FLAG_EXT_PKEY. Previously the rsa_mod_exp
6386 method only got called if p,q,dmp1,dmq1,iqmp components were present,
6387 otherwise bn_mod_exp was called. In the case of hardware keys for example
6388 no private key components need be present and it might store extra data
6389 in the RSA structure, which cannot be accessed from bn_mod_exp.
6390 By setting RSA_FLAG_EXT_PKEY rsa_mod_exp will always be called for
6391 private key operations.
6394 *) Added support for SPARC Linux.
6397 *) pem_password_cb function type incompatibly changed from
6398 typedef int pem_password_cb(char *buf, int size, int rwflag);
6400 ....(char *buf, int size, int rwflag, void *userdata);
6401 so that applications can pass data to their callbacks:
6402 The PEM[_ASN1]_{read,write}... functions and macros now take an
6403 additional void * argument, which is just handed through whenever
6404 the password callback is called.
6405 [Damien Miller <dmiller@ilogic.com.au>; tiny changes by Bodo Moeller]
6407 New function SSL_CTX_set_default_passwd_cb_userdata.
6409 Compatibility note: As many C implementations push function arguments
6410 onto the stack in reverse order, the new library version is likely to
6411 interoperate with programs that have been compiled with the old
6412 pem_password_cb definition (PEM_whatever takes some data that
6413 happens to be on the stack as its last argument, and the callback
6414 just ignores this garbage); but there is no guarantee whatsoever that
6417 *) The -DPLATFORM="\"$(PLATFORM)\"" definition and the similar -DCFLAGS=...
6418 (both in crypto/Makefile.ssl for use by crypto/cversion.c) caused
6419 problems not only on Windows, but also on some Unix platforms.
6420 To avoid problematic command lines, these definitions are now in an
6421 auto-generated file crypto/buildinf.h (created by crypto/Makefile.ssl
6422 for standard "make" builds, by util/mk1mf.pl for "mk1mf" builds).
6425 *) MIPS III/IV assembler module is reimplemented.
6428 *) More DES library cleanups: remove references to srand/rand and
6429 delete an unused file.
6432 *) Add support for the the free Netwide assembler (NASM) under Win32,
6433 since not many people have MASM (ml) and it can be hard to obtain.
6434 This is currently experimental but it seems to work OK and pass all
6435 the tests. Check out INSTALL.W32 for info.
6438 *) Fix memory leaks in s3_clnt.c: All non-anonymous SSL3/TLS1 connections
6439 without temporary keys kept an extra copy of the server key,
6440 and connections with temporary keys did not free everything in case
6444 *) New function RSA_check_key and new openssl rsa option -check
6445 for verifying the consistency of RSA keys.
6446 [Ulf Moeller, Bodo Moeller]
6448 *) Various changes to make Win32 compile work:
6449 1. Casts to avoid "loss of data" warnings in p5_crpt2.c
6450 2. Change unsigned int to int in b_dump.c to avoid "signed/unsigned
6451 comparison" warnings.
6452 3. Add sk_<TYPE>_sort to DEF file generator and do make update.
6455 *) Add a debugging option to PKCS#5 v2 key generation function: when
6456 you #define DEBUG_PKCS5V2 passwords, salts, iteration counts and
6457 derived keys are printed to stderr.
6460 *) Copy the flags in ASN1_STRING_dup().
6461 [Roman E. Pavlov <pre@mo.msk.ru>]
6463 *) The x509 application mishandled signing requests containing DSA
6464 keys when the signing key was also DSA and the parameters didn't match.
6466 It was supposed to omit the parameters when they matched the signing key:
6467 the verifying software was then supposed to automatically use the CA's
6468 parameters if they were absent from the end user certificate.
6470 Omitting parameters is no longer recommended. The test was also
6471 the wrong way round! This was probably due to unusual behaviour in
6472 EVP_cmp_parameters() which returns 1 if the parameters match.
6473 This meant that parameters were omitted when they *didn't* match and
6474 the certificate was useless. Certificates signed with 'ca' didn't have
6476 [Steve Henson, reported by Doug Erickson <Doug.Erickson@Part.NET>]
6478 *) Memory leak checking (-DCRYPTO_MDEBUG) had some problems.
6479 The interface is as follows:
6480 Applications can use
6481 CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON) aka MemCheck_start(),
6482 CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_OFF) aka MemCheck_stop();
6483 "off" is now the default.
6484 The library internally uses
6485 CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_DISABLE) aka MemCheck_off(),
6486 CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ENABLE) aka MemCheck_on()
6487 to disable memory-checking temporarily.
6489 Some inconsistent states that previously were possible (and were
6490 even the default) are now avoided.
6492 -DCRYPTO_MDEBUG_TIME is new and additionally stores the current time
6493 with each memory chunk allocated; this is occasionally more helpful
6494 than just having a counter.
6496 -DCRYPTO_MDEBUG_THREAD is also new and adds the thread ID.
6498 -DCRYPTO_MDEBUG_ALL enables all of the above, plus any future
6502 *) Introduce "mode" for SSL structures (with defaults in SSL_CTX),
6503 which largely parallels "options", but is for changing API behaviour,
6504 whereas "options" are about protocol behaviour.
6505 Initial "mode" flags are:
6507 SSL_MODE_ENABLE_PARTIAL_WRITE Allow SSL_write to report success when
6508 a single record has been written.
6509 SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER Don't insist that SSL_write
6510 retries use the same buffer location.
6511 (But all of the contents must be
6515 *) Bugfix: SSL_set_options ignored its parameter, only SSL_CTX_set_options
6518 *) Fix problems with no-hmac etc.
6519 [Ulf Möller, pointed out by Brian Wellington <bwelling@tislabs.com>]
6521 *) New functions RSA_get_default_method(), RSA_set_method() and
6522 RSA_get_method(). These allows replacement of RSA_METHODs without having
6523 to mess around with the internals of an RSA structure.
6526 *) Fix memory leaks in DSA_do_sign and DSA_is_prime.
6527 Also really enable memory leak checks in openssl.c and in some
6529 [Chad C. Mulligan, Bodo Moeller]
6531 *) Fix a bug in d2i_ASN1_INTEGER() and i2d_ASN1_INTEGER() which can mess
6532 up the length of negative integers. This has now been simplified to just
6533 store the length when it is first determined and use it later, rather
6534 than trying to keep track of where data is copied and updating it to
6536 [Steve Henson, reported by Brien Wheeler
6537 <bwheeler@authentica-security.com>]
6539 *) Add a new function PKCS7_signatureVerify. This allows the verification
6540 of a PKCS#7 signature but with the signing certificate passed to the
6541 function itself. This contrasts with PKCS7_dataVerify which assumes the
6542 certificate is present in the PKCS#7 structure. This isn't always the
6543 case: certificates can be omitted from a PKCS#7 structure and be
6544 distributed by "out of band" means (such as a certificate database).
6547 *) Complete the PEM_* macros with DECLARE_PEM versions to replace the
6548 function prototypes in pem.h, also change util/mkdef.pl to add the
6549 necessary function names.
6552 *) mk1mf.pl (used by Windows builds) did not properly read the
6553 options set by Configure in the top level Makefile, and Configure
6554 was not even able to write more than one option correctly.
6555 Fixed, now "no-idea no-rc5 -DCRYPTO_MDEBUG" etc. works as intended.
6558 *) New functions CONF_load_bio() and CONF_load_fp() to allow a config
6559 file to be loaded from a BIO or FILE pointer. The BIO version will
6560 for example allow memory BIOs to contain config info.
6563 *) New function "CRYPTO_num_locks" that returns CRYPTO_NUM_LOCKS.
6564 Whoever hopes to achieve shared-library compatibility across versions
6565 must use this, not the compile-time macro.
6566 (Exercise 0.9.4: Which is the minimum library version required by
6568 Note: All this applies only to multi-threaded programs, others don't
6572 *) Add missing case to s3_clnt.c state machine -- one of the new SSL tests
6573 through a BIO pair triggered the default case, i.e.
6574 SSLerr(...,SSL_R_UNKNOWN_STATE).
6577 *) New "BIO pair" concept (crypto/bio/bss_bio.c) so that applications
6578 can use the SSL library even if none of the specific BIOs is
6582 *) Fix a bug in i2d_DSAPublicKey() which meant it returned the wrong value
6583 for the encoded length.
6584 [Jeon KyoungHo <khjeon@sds.samsung.co.kr>]
6586 *) Add initial documentation of the X509V3 functions.
6589 *) Add a new pair of functions PEM_write_PKCS8PrivateKey() and
6590 PEM_write_bio_PKCS8PrivateKey() that are equivalent to
6591 PEM_write_PrivateKey() and PEM_write_bio_PrivateKey() but use the more
6592 secure PKCS#8 private key format with a high iteration count.
6595 *) Fix determination of Perl interpreter: A perl or perl5
6596 _directory_ in $PATH was also accepted as the interpreter.
6597 [Ralf S. Engelschall]
6599 *) Fix demos/sign/sign.c: well there wasn't anything strictly speaking
6600 wrong with it but it was very old and did things like calling
6601 PEM_ASN1_read() directly and used MD5 for the hash not to mention some
6605 *) Fix demos/selfsign.c: it used obsolete and deleted functions, changed
6606 to use the new extension code.
6609 *) Implement the PEM_read/PEM_write functions in crypto/pem/pem_all.c
6610 with macros. This should make it easier to change their form, add extra
6611 arguments etc. Fix a few PEM prototypes which didn't have cipher as a
6615 *) Add to configuration table a new entry that can specify an alternative
6616 name for unistd.h (for pre-POSIX systems); we need this for NeXTstep,
6617 according to Mark Crispin <MRC@Panda.COM>.
6621 *) DES CBC did not update the IV. Weird.
6624 des_cbc_encrypt does not update the IV, but des_ncbc_encrypt does.
6625 Changing the behaviour of the former might break existing programs --
6626 where IV updating is needed, des_ncbc_encrypt can be used.
6629 *) When bntest is run from "make test" it drives bc to check its
6630 calculations, as well as internally checking them. If an internal check
6631 fails, it needs to cause bc to give a non-zero result or make test carries
6632 on without noticing the failure. Fixed.
6635 *) DES library cleanups.
6638 *) Add support for PKCS#5 v2.0 PBE algorithms. This will permit PKCS#8 to be
6639 used with any cipher unlike PKCS#5 v1.5 which can at most handle 64 bit
6640 ciphers. NOTE: although the key derivation function has been verified
6641 against some published test vectors it has not been extensively tested
6642 yet. Added a -v2 "cipher" option to pkcs8 application to allow the use
6646 *) Instead of "mkdir -p", which is not fully portable, use new
6647 Perl script "util/mkdir-p.pl".
6650 *) Rewrite the way password based encryption (PBE) is handled. It used to
6651 assume that the ASN1 AlgorithmIdentifier parameter was a PBEParameter
6652 structure. This was true for the PKCS#5 v1.5 and PKCS#12 PBE algorithms
6653 but doesn't apply to PKCS#5 v2.0 where it can be something else. Now
6654 the 'parameter' field of the AlgorithmIdentifier is passed to the
6655 underlying key generation function so it must do its own ASN1 parsing.
6656 This has also changed the EVP_PBE_CipherInit() function which now has a
6657 'parameter' argument instead of literal salt and iteration count values
6658 and the function EVP_PBE_ALGOR_CipherInit() has been deleted.
6661 *) Support for PKCS#5 v1.5 compatible password based encryption algorithms
6662 and PKCS#8 functionality. New 'pkcs8' application linked to openssl.
6663 Needed to change the PEM_STRING_EVP_PKEY value which was just "PRIVATE
6664 KEY" because this clashed with PKCS#8 unencrypted string. Since this
6665 value was just used as a "magic string" and not used directly its
6666 value doesn't matter.
6669 *) Introduce some semblance of const correctness to BN. Shame C doesn't
6673 *) "linux-sparc64" configuration (ultrapenguin).
6674 [Ray Miller <ray.miller@oucs.ox.ac.uk>]
6675 "linux-sparc" configuration.
6676 [Christian Forster <fo@hawo.stw.uni-erlangen.de>]
6678 *) config now generates no-xxx options for missing ciphers.
6681 *) Support the EBCDIC character set (work in progress).
6682 File ebcdic.c not yet included because it has a different license.
6683 [Martin Kraemer <Martin.Kraemer@MchP.Siemens.De>]
6685 *) Support BS2000/OSD-POSIX.
6686 [Martin Kraemer <Martin.Kraemer@MchP.Siemens.De>]
6688 *) Make callbacks for key generation use void * instead of char *.
6691 *) Make S/MIME samples compile (not yet tested).
6694 *) Additional typesafe stacks.
6697 *) New configuration variants "bsdi-elf-gcc" (BSD/OS 4.x).
6701 Changes between 0.9.3 and 0.9.3a [29 May 1999]
6703 *) New configuration variant "sco5-gcc".
6705 *) Updated some demos.
6706 [Sean O Riordain, Wade Scholine]
6708 *) Add missing BIO_free at exit of pkcs12 application.
6711 *) Fix memory leak in conf.c.
6714 *) Updates for Win32 to assembler version of MD5.
6717 *) Set #! path to perl in apps/der_chop to where we found it
6718 instead of using a fixed path.
6721 *) SHA library changes for irix64-mips4-cc.
6724 *) Improvements for VMS support.
6728 Changes between 0.9.2b and 0.9.3 [24 May 1999]
6730 *) Bignum library bug fix. IRIX 6 passes "make test" now!
6731 This also avoids the problems with SC4.2 and unpatched SC5.
6732 [Andy Polyakov <appro@fy.chalmers.se>]
6734 *) New functions sk_num, sk_value and sk_set to replace the previous macros.
6735 These are required because of the typesafe stack would otherwise break
6736 existing code. If old code used a structure member which used to be STACK
6737 and is now STACK_OF (for example cert in a PKCS7_SIGNED structure) with
6738 sk_num or sk_value it would produce an error because the num, data members
6739 are not present in STACK_OF. Now it just produces a warning. sk_set
6740 replaces the old method of assigning a value to sk_value
6741 (e.g. sk_value(x, i) = y) which the library used in a few cases. Any code
6742 that does this will no longer work (and should use sk_set instead) but
6743 this could be regarded as a "questionable" behaviour anyway.
6746 *) Fix most of the other PKCS#7 bugs. The "experimental" code can now
6747 correctly handle encrypted S/MIME data.
6750 *) Change type of various DES function arguments from des_cblock
6751 (which means, in function argument declarations, pointer to char)
6752 to des_cblock * (meaning pointer to array with 8 char elements),
6753 which allows the compiler to do more typechecking; it was like
6754 that back in SSLeay, but with lots of ugly casts.
6756 Introduce new type const_des_cblock.
6759 *) Reorganise the PKCS#7 library and get rid of some of the more obvious
6760 problems: find RecipientInfo structure that matches recipient certificate
6761 and initialise the ASN1 structures properly based on passed cipher.
6764 *) Belatedly make the BN tests actually check the results.
6767 *) Fix the encoding and decoding of negative ASN1 INTEGERS and conversion
6768 to and from BNs: it was completely broken. New compilation option
6769 NEG_PUBKEY_BUG to allow for some broken certificates that encode public
6770 key elements as negative integers.
6773 *) Reorganize and speed up MD5.
6774 [Andy Polyakov <appro@fy.chalmers.se>]
6777 [Richard Levitte <richard@levitte.org>]
6779 *) New option -out to asn1parse to allow the parsed structure to be
6780 output to a file. This is most useful when combined with the -strparse
6781 option to examine the output of things like OCTET STRINGS.
6784 *) Make SSL library a little more fool-proof by not requiring any longer
6785 that SSL_set_{accept,connect}_state be called before
6786 SSL_{accept,connect} may be used (SSL_set_..._state is omitted
6787 in many applications because usually everything *appeared* to work as
6788 intended anyway -- now it really works as intended).
6791 *) Move openssl.cnf out of lib/.
6794 *) Fix various things to let OpenSSL even pass ``egcc -pipe -O2 -Wall
6795 -Wshadow -Wpointer-arith -Wcast-align -Wmissing-prototypes
6796 -Wmissing-declarations -Wnested-externs -Winline'' with EGCS 1.1.2+
6797 [Ralf S. Engelschall]
6799 *) Various fixes to the EVP and PKCS#7 code. It may now be able to
6800 handle PKCS#7 enveloped data properly.
6801 [Sebastian Akerman <sak@parallelconsulting.com>, modified by Steve]
6803 *) Create a duplicate of the SSL_CTX's CERT in SSL_new instead of
6804 copying pointers. The cert_st handling is changed by this in
6805 various ways (and thus what used to be known as ctx->default_cert
6806 is now called ctx->cert, since we don't resort to s->ctx->[default_]cert
6807 any longer when s->cert does not give us what we need).
6808 ssl_cert_instantiate becomes obsolete by this change.
6809 As soon as we've got the new code right (possibly it already is?),
6810 we have solved a couple of bugs of the earlier code where s->cert
6811 was used as if it could not have been shared with other SSL structures.
6813 Note that using the SSL API in certain dirty ways now will result
6814 in different behaviour than observed with earlier library versions:
6815 Changing settings for an SSL_CTX *ctx after having done s = SSL_new(ctx)
6816 does not influence s as it used to.
6818 In order to clean up things more thoroughly, inside SSL_SESSION
6819 we don't use CERT any longer, but a new structure SESS_CERT
6820 that holds per-session data (if available); currently, this is
6821 the peer's certificate chain and, for clients, the server's certificate
6822 and temporary key. CERT holds only those values that can have
6823 meaningful defaults in an SSL_CTX.
6826 *) New function X509V3_EXT_i2d() to create an X509_EXTENSION structure
6827 from the internal representation. Various PKCS#7 fixes: remove some
6828 evil casts and set the enc_dig_alg field properly based on the signing
6832 *) Allow PKCS#12 password to be set from the command line or the
6833 environment. Let 'ca' get its config file name from the environment
6834 variables "OPENSSL_CONF" or "SSLEAY_CONF" (for consistency with 'req'
6838 *) Allow certificate policies extension to use an IA5STRING for the
6839 organization field. This is contrary to the PKIX definition but
6840 VeriSign uses it and IE5 only recognises this form. Document 'x509'
6844 *) Add PEDANTIC compiler flag to allow compilation with gcc -pedantic,
6845 without disallowing inline assembler and the like for non-pedantic builds.
6848 *) Support Borland C++ builder.
6849 [Janez Jere <jj@void.si>, modified by Ulf Möller]
6854 *) SHA-1 cleanups and performance enhancements.
6855 [Andy Polyakov <appro@fy.chalmers.se>]
6857 *) Sparc v8plus assembler for the bignum library.
6858 [Andy Polyakov <appro@fy.chalmers.se>]
6860 *) Accept any -xxx and +xxx compiler options in Configure.
6863 *) Update HPUX configuration.
6866 *) Add missing sk_<type>_unshift() function to safestack.h
6867 [Ralf S. Engelschall]
6869 *) New function SSL_CTX_use_certificate_chain_file that sets the
6870 "extra_cert"s in addition to the certificate. (This makes sense
6871 only for "PEM" format files, as chains as a whole are not
6875 *) Support verify_depth from the SSL API.
6876 x509_vfy.c had what can be considered an off-by-one-error:
6877 Its depth (which was not part of the external interface)
6878 was actually counting the number of certificates in a chain;
6879 now it really counts the depth.
6882 *) Bugfix in crypto/x509/x509_cmp.c: The SSLerr macro was used
6883 instead of X509err, which often resulted in confusing error
6884 messages since the error codes are not globally unique
6885 (e.g. an alleged error in ssl3_accept when a certificate
6886 didn't match the private key).
6888 *) New function SSL_CTX_set_session_id_context that allows to set a default
6889 value (so that you don't need SSL_set_session_id_context for each
6890 connection using the SSL_CTX).
6893 *) OAEP decoding bug fix.
6896 *) Support INSTALL_PREFIX for package builders, as proposed by
6900 *) New Configure options "threads" and "no-threads". For systems
6901 where the proper compiler options are known (currently Solaris
6902 and Linux), "threads" is the default.
6905 *) New script util/mklink.pl as a faster substitute for util/mklink.sh.
6908 *) Install various scripts to $(OPENSSLDIR)/misc, not to
6909 $(INSTALLTOP)/bin -- they shouldn't clutter directories
6910 such as /usr/local/bin.
6913 *) "make linux-shared" to build shared libraries.
6914 [Niels Poppe <niels@netbox.org>]
6916 *) New Configure option no-<cipher> (rsa, idea, rc5, ...).
6919 *) Add the PKCS#12 API documentation to openssl.txt. Preliminary support for
6920 extension adding in x509 utility.
6923 *) Remove NOPROTO sections and error code comments.
6926 *) Partial rewrite of the DEF file generator to now parse the ANSI
6930 *) New Configure options --prefix=DIR and --openssldir=DIR.
6933 *) Complete rewrite of the error code script(s). It is all now handled
6934 by one script at the top level which handles error code gathering,
6935 header rewriting and C source file generation. It should be much better
6936 than the old method: it now uses a modified version of Ulf's parser to
6937 read the ANSI prototypes in all header files (thus the old K&R definitions
6938 aren't needed for error creation any more) and do a better job of
6939 translating function codes into names. The old 'ASN1 error code imbedded
6940 in a comment' is no longer necessary and it doesn't use .err files which
6941 have now been deleted. Also the error code call doesn't have to appear all
6942 on one line (which resulted in some large lines...).
6945 *) Change #include filenames from <foo.h> to <openssl/foo.h>.
6948 *) Change behaviour of ssl2_read when facing length-0 packets: Don't return
6949 0 (which usually indicates a closed connection), but continue reading.
6952 *) Fix some race conditions.
6955 *) Add support for CRL distribution points extension. Add Certificate
6956 Policies and CRL distribution points documentation.
6959 *) Move the autogenerated header file parts to crypto/opensslconf.h.
6962 *) Fix new 56-bit DES export ciphersuites: they were using 7 bytes instead of
6963 8 of keying material. Merlin has also confirmed interop with this fix
6964 between OpenSSL and Baltimore C/SSL 2.0 and J/SSL 2.0.
6965 [Merlin Hughes <merlin@baltimore.ie>]
6967 *) Fix lots of warnings.
6968 [Richard Levitte <levitte@stacken.kth.se>]
6970 *) In add_cert_dir() in crypto/x509/by_dir.c, break out of the loop if
6971 the directory spec didn't end with a LIST_SEPARATOR_CHAR.
6972 [Richard Levitte <levitte@stacken.kth.se>]
6974 *) Fix problems with sizeof(long) == 8.
6975 [Andy Polyakov <appro@fy.chalmers.se>]
6977 *) Change functions to ANSI C.
6980 *) Fix typos in error codes.
6981 [Martin Kraemer <Martin.Kraemer@MchP.Siemens.De>, Ulf Möller]
6983 *) Remove defunct assembler files from Configure.
6986 *) SPARC v8 assembler BIGNUM implementation.
6987 [Andy Polyakov <appro@fy.chalmers.se>]
6989 *) Support for Certificate Policies extension: both print and set.
6990 Various additions to support the r2i method this uses.
6993 *) A lot of constification, and fix a bug in X509_NAME_oneline() that could
6994 return a const string when you are expecting an allocated buffer.
6997 *) Add support for ASN1 types UTF8String and VISIBLESTRING, also the CHOICE
6998 types DirectoryString and DisplayText.
7001 *) Add code to allow r2i extensions to access the configuration database,
7002 add an LHASH database driver and add several ctx helper functions.
7005 *) Fix an evil bug in bn_expand2() which caused various BN functions to
7006 fail when they extended the size of a BIGNUM.
7009 *) Various utility functions to handle SXNet extension. Modify mkdef.pl to
7010 support typesafe stack.
7013 *) Fix typo in SSL_[gs]et_options().
7014 [Nils Frostberg <nils@medcom.se>]
7016 *) Delete various functions and files that belonged to the (now obsolete)
7017 old X509V3 handling code.
7020 *) New Configure option "rsaref".
7023 *) Don't auto-generate pem.h.
7026 *) Introduce type-safe ASN.1 SETs.
7029 *) Convert various additional casted stacks to type-safe STACK_OF() variants.
7030 [Ben Laurie, Ralf S. Engelschall, Steve Henson]
7032 *) Introduce type-safe STACKs. This will almost certainly break lots of code
7033 that links with OpenSSL (well at least cause lots of warnings), but fear
7034 not: the conversion is trivial, and it eliminates loads of evil casts. A
7035 few STACKed things have been converted already. Feel free to convert more.
7036 In the fullness of time, I'll do away with the STACK type altogether.
7039 *) Add `openssl ca -revoke <certfile>' facility which revokes a certificate
7040 specified in <certfile> by updating the entry in the index.txt file.
7041 This way one no longer has to edit the index.txt file manually for
7042 revoking a certificate. The -revoke option does the gory details now.
7043 [Massimiliano Pala <madwolf@openca.org>, Ralf S. Engelschall]
7045 *) Fix `openssl crl -noout -text' combination where `-noout' killed the
7046 `-text' option at all and this way the `-noout -text' combination was
7047 inconsistent in `openssl crl' with the friends in `openssl x509|rsa|dsa'.
7048 [Ralf S. Engelschall]
7050 *) Make sure a corresponding plain text error message exists for the
7051 X509_V_ERR_CERT_REVOKED/23 error number which can occur when a
7052 verify callback function determined that a certificate was revoked.
7053 [Ralf S. Engelschall]
7055 *) Bugfix: In test/testenc, don't test "openssl <cipher>" for
7056 ciphers that were excluded, e.g. by -DNO_IDEA. Also, test
7057 all available cipers including rc5, which was forgotten until now.
7058 In order to let the testing shell script know which algorithms
7059 are available, a new (up to now undocumented) command
7060 "openssl list-cipher-commands" is used.
7063 *) Bugfix: s_client occasionally would sleep in select() when
7064 it should have checked SSL_pending() first.
7067 *) New functions DSA_do_sign and DSA_do_verify to provide access to
7068 the raw DSA values prior to ASN.1 encoding.
7071 *) Tweaks to Configure
7072 [Niels Poppe <niels@netbox.org>]
7074 *) Add support for PKCS#5 v2.0 ASN1 PBES2 structures. No other support,
7078 *) New variables $(RANLIB) and $(PERL) in the Makefiles.
7081 *) New config option to avoid instructions that are illegal on the 80386.
7082 The default code is faster, but requires at least a 486.
7085 *) Got rid of old SSL2_CLIENT_VERSION (inconsistently used) and
7086 SSL2_SERVER_VERSION (not used at all) macros, which are now the
7087 same as SSL2_VERSION anyway.
7090 *) New "-showcerts" option for s_client.
7093 *) Still more PKCS#12 integration. Add pkcs12 application to openssl
7094 application. Various cleanups and fixes.
7097 *) More PKCS#12 integration. Add new pkcs12 directory with Makefile.ssl and
7098 modify error routines to work internally. Add error codes and PBE init
7099 to library startup routines.
7102 *) Further PKCS#12 integration. Added password based encryption, PKCS#8 and
7103 packing functions to asn1 and evp. Changed function names and error
7104 codes along the way.
7107 *) PKCS12 integration: and so it begins... First of several patches to
7108 slowly integrate PKCS#12 functionality into OpenSSL. Add PKCS#12
7109 objects to objects.h
7112 *) Add a new 'indent' option to some X509V3 extension code. Initial ASN1
7113 and display support for Thawte strong extranet extension.
7116 *) Add LinuxPPC support.
7117 [Jeff Dubrule <igor@pobox.org>]
7119 *) Get rid of redundant BN file bn_mulw.c, and rename bn_div64 to
7120 bn_div_words in alpha.s.
7121 [Hannes Reinecke <H.Reinecke@hw.ac.uk> and Ben Laurie]
7123 *) Make sure the RSA OAEP test is skipped under -DRSAref because
7124 OAEP isn't supported when OpenSSL is built with RSAref.
7125 [Ulf Moeller <ulf@fitug.de>]
7127 *) Move definitions of IS_SET/IS_SEQUENCE inside crypto/asn1/asn1.h
7128 so they no longer are missing under -DNOPROTO.
7129 [Soren S. Jorvang <soren@t.dk>]
7132 Changes between 0.9.1c and 0.9.2b [22 Mar 1999]
7134 *) Make SSL_get_peer_cert_chain() work in servers. Unfortunately, it still
7135 doesn't work when the session is reused. Coming soon!
7138 *) Fix a security hole, that allows sessions to be reused in the wrong
7139 context thus bypassing client cert protection! All software that uses
7140 client certs and session caches in multiple contexts NEEDS PATCHING to
7141 allow session reuse! A fuller solution is in the works.
7142 [Ben Laurie, problem pointed out by Holger Reif, Bodo Moeller (and ???)]
7144 *) Some more source tree cleanups (removed obsolete files
7145 crypto/bf/asm/bf586.pl, test/test.txt and crypto/sha/asm/f.s; changed
7146 permission on "config" script to be executable) and a fix for the INSTALL
7148 [Ulf Moeller <ulf@fitug.de>]
7150 *) Remove some legacy and erroneous uses of malloc, free instead of
7152 [Lennart Bang <lob@netstream.se>, with minor changes by Steve]
7154 *) Make rsa_oaep_test return non-zero on error.
7155 [Ulf Moeller <ulf@fitug.de>]
7157 *) Add support for native Solaris shared libraries. Configure
7158 solaris-sparc-sc4-pic, make, then run shlib/solaris-sc4.sh. It'd be nice
7159 if someone would make that last step automatic.
7160 [Matthias Loepfe <Matthias.Loepfe@AdNovum.CH>]
7162 *) ctx_size was not built with the right compiler during "make links". Fixed.
7165 *) Change the meaning of 'ALL' in the cipher list. It now means "everything
7166 except NULL ciphers". This means the default cipher list will no longer
7167 enable NULL ciphers. They need to be specifically enabled e.g. with
7168 the string "DEFAULT:eNULL".
7171 *) Fix to RSA private encryption routines: if p < q then it would
7172 occasionally produce an invalid result. This will only happen with
7173 externally generated keys because OpenSSL (and SSLeay) ensure p > q.
7176 *) Be less restrictive and allow also `perl util/perlpath.pl
7177 /path/to/bin/perl' in addition to `perl util/perlpath.pl /path/to/bin',
7178 because this way one can also use an interpreter named `perl5' (which is
7179 usually the name of Perl 5.xxx on platforms where an Perl 4.x is still
7180 installed as `perl').
7181 [Matthias Loepfe <Matthias.Loepfe@adnovum.ch>]
7183 *) Let util/clean-depend.pl work also with older Perl 5.00x versions.
7184 [Matthias Loepfe <Matthias.Loepfe@adnovum.ch>]
7186 *) Fix Makefile.org so CC,CFLAG etc are passed to 'make links' add
7187 advapi32.lib to Win32 build and change the pem test comparision
7188 to fc.exe (thanks to Ulrich Kroener <kroneru@yahoo.com> for the
7189 suggestion). Fix misplaced ASNI prototypes and declarations in evp.h
7190 and crypto/des/ede_cbcm_enc.c.
7193 *) DES quad checksum was broken on big-endian architectures. Fixed.
7196 *) Comment out two functions in bio.h that aren't implemented. Fix up the
7197 Win32 test batch file so it (might) work again. The Win32 test batch file
7198 is horrible: I feel ill....
7201 *) Move various #ifdefs around so NO_SYSLOG, NO_DIRENT etc are now selected
7202 in e_os.h. Audit of header files to check ANSI and non ANSI
7203 sections: 10 functions were absent from non ANSI section and not exported
7204 from Windows DLLs. Fixed up libeay.num for new functions.
7207 *) Make `openssl version' output lines consistent.
7208 [Ralf S. Engelschall]
7210 *) Fix Win32 symbol export lists for BIO functions: Added
7211 BIO_get_ex_new_index, BIO_get_ex_num, BIO_get_ex_data and BIO_set_ex_data
7212 to ms/libeay{16,32}.def.
7213 [Ralf S. Engelschall]
7215 *) Second round of fixing the OpenSSL perl/ stuff. It now at least compiled
7216 fine under Unix and passes some trivial tests I've now added. But the
7217 whole stuff is horribly incomplete, so a README.1ST with a disclaimer was
7218 added to make sure no one expects that this stuff really works in the
7219 OpenSSL 0.9.2 release. Additionally I've started to clean the XS sources
7220 up and fixed a few little bugs and inconsistencies in OpenSSL.{pm,xs} and
7222 [Ralf S. Engelschall]
7224 *) Fix the generation of two part addresses in perl.
7225 [Kenji Miyake <kenji@miyake.org>, integrated by Ben Laurie]
7227 *) Add config entry for Linux on MIPS.
7228 [John Tobey <jtobey@channel1.com>]
7230 *) Make links whenever Configure is run, unless we are on Windoze.
7233 *) Permit extensions to be added to CRLs using crl_section in openssl.cnf.
7234 Currently only issuerAltName and AuthorityKeyIdentifier make any sense
7238 *) Add a useful kludge to allow package maintainers to specify compiler and
7239 other platforms details on the command line without having to patch the
7240 Configure script everytime: One now can use ``perl Configure
7241 <id>:<details>'', i.e. platform ids are allowed to have details appended
7242 to them (seperated by colons). This is treated as there would be a static
7243 pre-configured entry in Configure's %table under key <id> with value
7244 <details> and ``perl Configure <id>'' is called. So, when you want to
7245 perform a quick test-compile under FreeBSD 3.1 with pgcc and without
7246 assembler stuff you can use ``perl Configure "FreeBSD-elf:pgcc:-O6:::"''
7247 now, which overrides the FreeBSD-elf entry on-the-fly.
7248 [Ralf S. Engelschall]
7250 *) Disable new TLS1 ciphersuites by default: they aren't official yet.
7253 *) Allow DSO flags like -fpic, -fPIC, -KPIC etc. to be specified
7254 on the `perl Configure ...' command line. This way one can compile
7255 OpenSSL libraries with Position Independent Code (PIC) which is needed
7256 for linking it into DSOs.
7257 [Ralf S. Engelschall]
7259 *) Remarkably, export ciphers were totally broken and no-one had noticed!
7263 *) Cleaned up the LICENSE document: The official contact for any license
7264 questions now is the OpenSSL core team under openssl-core@openssl.org.
7265 And add a paragraph about the dual-license situation to make sure people
7266 recognize that _BOTH_ the OpenSSL license _AND_ the SSLeay license apply
7267 to the OpenSSL toolkit.
7268 [Ralf S. Engelschall]
7270 *) General source tree makefile cleanups: Made `making xxx in yyy...'
7271 display consistent in the source tree and replaced `/bin/rm' by `rm'.
7272 Additonally cleaned up the `make links' target: Remove unnecessary
7273 semicolons, subsequent redundant removes, inline point.sh into mklink.sh
7274 to speed processing and no longer clutter the display with confusing
7275 stuff. Instead only the actually done links are displayed.
7276 [Ralf S. Engelschall]
7278 *) Permit null encryption ciphersuites, used for authentication only. It used
7279 to be necessary to set the preprocessor define SSL_ALLOW_ENULL to do this.
7280 It is now necessary to set SSL_FORBID_ENULL to prevent the use of null
7284 *) Add a bunch of fixes to the PKCS#7 stuff. It used to sometimes reorder
7285 signed attributes when verifying signatures (this would break them),
7286 the detached data encoding was wrong and public keys obtained using
7287 X509_get_pubkey() weren't freed.
7290 *) Add text documentation for the BUFFER functions. Also added a work around
7291 to a Win95 console bug. This was triggered by the password read stuff: the
7292 last character typed gets carried over to the next fread(). If you were
7293 generating a new cert request using 'req' for example then the last
7294 character of the passphrase would be CR which would then enter the first
7298 *) Added the new `Includes OpenSSL Cryptography Software' button as
7299 doc/openssl_button.{gif,html} which is similar in style to the old SSLeay
7300 button and can be used by applications based on OpenSSL to show the
7301 relationship to the OpenSSL project.
7302 [Ralf S. Engelschall]
7304 *) Remove confusing variables in function signatures in files
7305 ssl/ssl_lib.c and ssl/ssl.h.
7306 [Lennart Bong <lob@kulthea.stacken.kth.se>]
7308 *) Don't install bss_file.c under PREFIX/include/
7309 [Lennart Bong <lob@kulthea.stacken.kth.se>]
7311 *) Get the Win32 compile working again. Modify mkdef.pl so it can handle
7312 functions that return function pointers and has support for NT specific
7313 stuff. Fix mk1mf.pl and VC-32.pl to support NT differences also. Various
7314 #ifdef WIN32 and WINNTs sprinkled about the place and some changes from
7315 unsigned to signed types: this was killing the Win32 compile.
7318 *) Add new certificate file to stack functions,
7319 SSL_add_dir_cert_subjects_to_stack() and
7320 SSL_add_file_cert_subjects_to_stack(). These largely supplant
7321 SSL_load_client_CA_file(), and can be used to add multiple certs easily
7322 to a stack (usually this is then handed to SSL_CTX_set_client_CA_list()).
7323 This means that Apache-SSL and similar packages don't have to mess around
7324 to add as many CAs as they want to the preferred list.
7327 *) Experiment with doxygen documentation. Currently only partially applied to
7329 See http://www.stack.nl/~dimitri/doxygen/index.html, and run doxygen with
7330 openssl.doxy as the configuration file.
7333 *) Get rid of remaining C++-style comments which strict C compilers hate.
7334 [Ralf S. Engelschall, pointed out by Carlos Amengual]
7336 *) Changed BN_RECURSION in bn_mont.c to BN_RECURSION_MONT so it is not
7337 compiled in by default: it has problems with large keys.
7340 *) Add a bunch of SSL_xxx() functions for configuring the temporary RSA and
7341 DH private keys and/or callback functions which directly correspond to
7342 their SSL_CTX_xxx() counterparts but work on a per-connection basis. This
7343 is needed for applications which have to configure certificates on a
7344 per-connection basis (e.g. Apache+mod_ssl) instead of a per-context basis
7346 For the RSA certificate situation is makes no difference, but
7347 for the DSA certificate situation this fixes the "no shared cipher"
7348 problem where the OpenSSL cipher selection procedure failed because the
7349 temporary keys were not overtaken from the context and the API provided
7350 no way to reconfigure them.
7351 The new functions now let applications reconfigure the stuff and they
7352 are in detail: SSL_need_tmp_RSA, SSL_set_tmp_rsa, SSL_set_tmp_dh,
7353 SSL_set_tmp_rsa_callback and SSL_set_tmp_dh_callback. Additionally a new
7354 non-public-API function ssl_cert_instantiate() is used as a helper
7355 function and also to reduce code redundancy inside ssl_rsa.c.
7356 [Ralf S. Engelschall]
7358 *) Move s_server -dcert and -dkey options out of the undocumented feature
7359 area because they are useful for the DSA situation and should be
7360 recognized by the users.
7361 [Ralf S. Engelschall]
7363 *) Fix the cipher decision scheme for export ciphers: the export bits are
7364 *not* within SSL_MKEY_MASK or SSL_AUTH_MASK, they are within
7365 SSL_EXP_MASK. So, the original variable has to be used instead of the
7366 already masked variable.
7367 [Richard Levitte <levitte@stacken.kth.se>]
7369 *) Fix 'port' variable from `int' to `unsigned int' in crypto/bio/b_sock.c
7370 [Richard Levitte <levitte@stacken.kth.se>]
7372 *) Change type of another md_len variable in pk7_doit.c:PKCS7_dataFinal()
7373 from `int' to `unsigned int' because it's a length and initialized by
7374 EVP_DigestFinal() which expects an `unsigned int *'.
7375 [Richard Levitte <levitte@stacken.kth.se>]
7377 *) Don't hard-code path to Perl interpreter on shebang line of Configure
7378 script. Instead use the usual Shell->Perl transition trick.
7379 [Ralf S. Engelschall]
7381 *) Make `openssl x509 -noout -modulus' functional also for DSA certificates
7382 (in addition to RSA certificates) to match the behaviour of `openssl dsa
7383 -noout -modulus' as it's already the case for `openssl rsa -noout
7384 -modulus'. For RSA the -modulus is the real "modulus" while for DSA
7385 currently the public key is printed (a decision which was already done by
7386 `openssl dsa -modulus' in the past) which serves a similar purpose.
7387 Additionally the NO_RSA no longer completely removes the whole -modulus
7388 option; it now only avoids using the RSA stuff. Same applies to NO_DSA
7390 [Ralf S. Engelschall]
7392 *) Add Arne Ansper's reliable BIO - this is an encrypted, block-digested
7393 BIO. See the source (crypto/evp/bio_ok.c) for more info.
7394 [Arne Ansper <arne@ats.cyber.ee>]
7396 *) Dump the old yucky req code that tried (and failed) to allow raw OIDs
7397 to be added. Now both 'req' and 'ca' can use new objects defined in the
7401 *) Add cool BIO that does syslog (or event log on NT).
7402 [Arne Ansper <arne@ats.cyber.ee>, integrated by Ben Laurie]
7404 *) Add support for new TLS ciphersuites, TLS_RSA_EXPORT56_WITH_RC4_56_MD5,
7405 TLS_RSA_EXPORT56_WITH_RC2_CBC_56_MD5 and
7406 TLS_RSA_EXPORT56_WITH_DES_CBC_SHA, as specified in "56-bit Export Cipher
7407 Suites For TLS", draft-ietf-tls-56-bit-ciphersuites-00.txt.
7410 *) Add preliminary config info for new extension code.
7413 *) Make RSA_NO_PADDING really use no padding.
7414 [Ulf Moeller <ulf@fitug.de>]
7416 *) Generate errors when private/public key check is done.
7419 *) Overhaul for 'crl' utility. New function X509_CRL_print. Partial support
7420 for some CRL extensions and new objects added.
7423 *) Really fix the ASN1 IMPLICIT bug this time... Partial support for private
7424 key usage extension and fuller support for authority key id.
7427 *) Add OAEP encryption for the OpenSSL crypto library. OAEP is the improved
7428 padding method for RSA, which is recommended for new applications in PKCS
7429 #1 v2.0 (RFC 2437, October 1998).
7430 OAEP (Optimal Asymmetric Encryption Padding) has better theoretical
7431 foundations than the ad-hoc padding used in PKCS #1 v1.5. It is secure
7432 against Bleichbacher's attack on RSA.
7433 [Ulf Moeller <ulf@fitug.de>, reformatted, corrected and integrated by
7436 *) Updates to the new SSL compression code
7437 [Eric A. Young, (from changes to C2Net SSLeay, integrated by Mark Cox)]
7439 *) Fix so that the version number in the master secret, when passed
7440 via RSA, checks that if TLS was proposed, but we roll back to SSLv3
7441 (because the server will not accept higher), that the version number
7442 is 0x03,0x01, not 0x03,0x00
7443 [Eric A. Young, (from changes to C2Net SSLeay, integrated by Mark Cox)]
7445 *) Run extensive memory leak checks on SSL apps. Fixed *lots* of memory
7446 leaks in ssl/ relating to new X509_get_pubkey() behaviour. Also fixes
7447 in apps/ and an unrelated leak in crypto/dsa/dsa_vrf.c
7450 *) Support for RAW extensions where an arbitrary extension can be
7451 created by including its DER encoding. See apps/openssl.cnf for
7455 *) Make sure latest Perl versions don't interpret some generated C array
7456 code as Perl array code in the crypto/err/err_genc.pl script.
7457 [Lars Weber <3weber@informatik.uni-hamburg.de>]
7459 *) Modify ms/do_ms.bat to not generate assembly language makefiles since
7460 not many people have the assembler. Various Win32 compilation fixes and
7461 update to the INSTALL.W32 file with (hopefully) more accurate Win32
7465 *) Modify configure script 'Configure' to automatically create crypto/date.h
7466 file under Win32 and also build pem.h from pem.org. New script
7467 util/mkfiles.pl to create the MINFO file on environments that can't do a
7468 'make files': perl util/mkfiles.pl >MINFO should work.
7471 *) Major rework of DES function declarations, in the pursuit of correctness
7472 and purity. As a result, many evil casts evaporated, and some weirdness,
7473 too. You may find this causes warnings in your code. Zapping your evil
7474 casts will probably fix them. Mostly.
7477 *) Fix for a typo in asn1.h. Bug fix to object creation script
7478 obj_dat.pl. It considered a zero in an object definition to mean
7479 "end of object": none of the objects in objects.h have any zeros
7480 so it wasn't spotted.
7481 [Steve Henson, reported by Erwann ABALEA <eabalea@certplus.com>]
7483 *) Add support for Triple DES Cipher Block Chaining with Output Feedback
7484 Masking (CBCM). In the absence of test vectors, the best I have been able
7485 to do is check that the decrypt undoes the encrypt, so far. Send me test
7486 vectors if you have them.
7489 *) Correct calculation of key length for export ciphers (too much space was
7490 allocated for null ciphers). This has not been tested!
7493 *) Modifications to the mkdef.pl for Win32 DEF file creation. The usage
7494 message is now correct (it understands "crypto" and "ssl" on its
7495 command line). There is also now an "update" option. This will update
7496 the util/ssleay.num and util/libeay.num files with any new functions.
7498 perl util/mkdef.pl crypto ssl update
7499 it will update them.
7502 *) Overhauled the Perl interface (perl/*):
7503 - ported BN stuff to OpenSSL's different BN library
7504 - made the perl/ source tree CVS-aware
7505 - renamed the package from SSLeay to OpenSSL (the files still contain
7506 their history because I've copied them in the repository)
7507 - removed obsolete files (the test scripts will be replaced
7508 by better Test::Harness variants in the future)
7509 [Ralf S. Engelschall]
7511 *) First cut for a very conservative source tree cleanup:
7512 1. merge various obsolete readme texts into doc/ssleay.txt
7513 where we collect the old documents and readme texts.
7514 2. remove the first part of files where I'm already sure that we no
7515 longer need them because of three reasons: either they are just temporary
7516 files which were left by Eric or they are preserved original files where
7517 I've verified that the diff is also available in the CVS via "cvs diff
7518 -rSSLeay_0_8_1b" or they were renamed (as it was definitely the case for
7519 the crypto/md/ stuff).
7520 [Ralf S. Engelschall]
7522 *) More extension code. Incomplete support for subject and issuer alt
7523 name, issuer and authority key id. Change the i2v function parameters
7524 and add an extra 'crl' parameter in the X509V3_CTX structure: guess
7525 what that's for :-) Fix to ASN1 macro which messed up
7526 IMPLICIT tag and add f_enum.c which adds a2i, i2a for ENUMERATED.
7529 *) Preliminary support for ENUMERATED type. This is largely copied from the
7533 *) Add new function, EVP_MD_CTX_copy() to replace frequent use of memcpy.
7534 [Eric A. Young, (from changes to C2Net SSLeay, integrated by Mark Cox)]
7536 *) Make sure `make rehash' target really finds the `openssl' program.
7537 [Ralf S. Engelschall, Matthias Loepfe <Matthias.Loepfe@adnovum.ch>]
7539 *) Squeeze another 7% of speed out of MD5 assembler, at least on a P2. I'd
7540 like to hear about it if this slows down other processors.
7543 *) Add CygWin32 platform information to Configure script.
7544 [Alan Batie <batie@aahz.jf.intel.com>]
7546 *) Fixed ms/32all.bat script: `no_asm' -> `no-asm'
7547 [Rainer W. Gerling <gerling@mpg-gv.mpg.de>]
7549 *) New program nseq to manipulate netscape certificate sequences
7552 *) Modify crl2pkcs7 so it supports multiple -certfile arguments. Fix a
7556 *) Fixes to BN code. Previously the default was to define BN_RECURSION
7557 but the BN code had some problems that would cause failures when
7558 doing certificate verification and some other functions.
7559 [Eric A. Young, (from changes to C2Net SSLeay, integrated by Mark Cox)]
7561 *) Add ASN1 and PEM code to support netscape certificate sequences.
7564 *) Add ASN1 and PEM code to support netscape certificate sequences.
7567 *) Add several PKIX and private extended key usage OIDs.
7570 *) Modify the 'ca' program to handle the new extension code. Modify
7571 openssl.cnf for new extension format, add comments.
7574 *) More X509 V3 changes. Fix typo in v3_bitstr.c. Add support to 'req'
7575 and add a sample to openssl.cnf so req -x509 now adds appropriate
7579 *) Continued X509 V3 changes. Add to other makefiles, integrate with the
7580 error code, add initial support to X509_print() and x509 application.
7583 *) Takes a deep breath and start addding X509 V3 extension support code. Add
7584 files in crypto/x509v3. Move original stuff to crypto/x509v3/old. All this
7585 stuff is currently isolated and isn't even compiled yet.
7588 *) Continuing patches for GeneralizedTime. Fix up certificate and CRL
7589 ASN1 to use ASN1_TIME and modify print routines to use ASN1_TIME_print.
7590 Removed the versions check from X509 routines when loading extensions:
7591 this allows certain broken certificates that don't set the version
7592 properly to be processed.
7595 *) Deal with irritating shit to do with dependencies, in YAAHW (Yet Another
7596 Ad Hoc Way) - Makefile.ssls now all contain local dependencies, which
7597 can still be regenerated with "make depend".
7600 *) Spelling mistake in C version of CAST-128.
7601 [Ben Laurie, reported by Jeremy Hylton <jeremy@cnri.reston.va.us>]
7603 *) Changes to the error generation code. The perl script err-code.pl
7604 now reads in the old error codes and retains the old numbers, only
7605 adding new ones if necessary. It also only changes the .err files if new
7606 codes are added. The makefiles have been modified to only insert errors
7607 when needed (to avoid needlessly modifying header files). This is done
7608 by only inserting errors if the .err file is newer than the auto generated
7609 C file. To rebuild all the error codes from scratch (the old behaviour)
7610 either modify crypto/Makefile.ssl to pass the -regen flag to err_code.pl
7611 or delete all the .err files.
7614 *) CAST-128 was incorrectly implemented for short keys. The C version has
7615 been fixed, but is untested. The assembler versions are also fixed, but
7616 new assembler HAS NOT BEEN GENERATED FOR WIN32 - the Makefile needs fixing
7617 to regenerate it if needed.
7618 [Ben Laurie, reported (with fix for C version) by Jun-ichiro itojun
7619 Hagino <itojun@kame.net>]
7621 *) File was opened incorrectly in randfile.c.
7622 [Ulf Möller <ulf@fitug.de>]
7624 *) Beginning of support for GeneralizedTime. d2i, i2d, check and print
7625 functions. Also ASN1_TIME suite which is a CHOICE of UTCTime or
7626 GeneralizedTime. ASN1_TIME is the proper type used in certificates et
7627 al: it's just almost always a UTCTime. Note this patch adds new error
7628 codes so do a "make errors" if there are problems.
7631 *) Correct Linux 1 recognition in config.
7632 [Ulf Möller <ulf@fitug.de>]
7634 *) Remove pointless MD5 hash when using DSA keys in ca.
7635 [Anonymous <nobody@replay.com>]
7637 *) Generate an error if given an empty string as a cert directory. Also
7638 generate an error if handed NULL (previously returned 0 to indicate an
7639 error, but didn't set one).
7640 [Ben Laurie, reported by Anonymous <nobody@replay.com>]
7642 *) Add prototypes to SSL methods. Make SSL_write's buffer const, at last.
7645 *) Fix the dummy function BN_ref_mod_exp() in rsaref.c to have the correct
7646 parameters. This was causing a warning which killed off the Win32 compile.
7649 *) Remove C++ style comments from crypto/bn/bn_local.h.
7650 [Neil Costigan <neil.costigan@celocom.com>]
7652 *) The function OBJ_txt2nid was broken. It was supposed to return a nid
7653 based on a text string, looking up short and long names and finally
7654 "dot" format. The "dot" format stuff didn't work. Added new function
7655 OBJ_txt2obj to do the same but return an ASN1_OBJECT and rewrote
7656 OBJ_txt2nid to use it. OBJ_txt2obj can also return objects even if the
7657 OID is not part of the table.
7660 *) Add prototypes to X509 lookup/verify methods, fixing a bug in
7661 X509_LOOKUP_by_alias().
7664 *) Sort openssl functions by name.
7667 *) Get the gendsa program working (hopefully) and add it to app list. Remove
7668 encryption from sample DSA keys (in case anyone is interested the password
7672 *) Make _all_ *_free functions accept a NULL pointer.
7673 [Frans Heymans <fheymans@isaserver.be>]
7675 *) If a DH key is generated in s3_srvr.c, don't blow it by trying to use
7677 [Anonymous <nobody@replay.com>]
7679 *) s_server should send the CAfile as acceptable CAs, not its own cert.
7680 [Bodo Moeller <3moeller@informatik.uni-hamburg.de>]
7682 *) Don't blow it for numeric -newkey arguments to apps/req.
7683 [Bodo Moeller <3moeller@informatik.uni-hamburg.de>]
7685 *) Temp key "for export" tests were wrong in s3_srvr.c.
7686 [Anonymous <nobody@replay.com>]
7688 *) Add prototype for temp key callback functions
7689 SSL_CTX_set_tmp_{rsa,dh}_callback().
7692 *) Make DH_free() tolerate being passed a NULL pointer (like RSA_free() and
7693 DSA_free()). Make X509_PUBKEY_set() check for errors in d2i_PublicKey().
7696 *) X509_name_add_entry() freed the wrong thing after an error.
7697 [Arne Ansper <arne@ats.cyber.ee>]
7699 *) rsa_eay.c would attempt to free a NULL context.
7700 [Arne Ansper <arne@ats.cyber.ee>]
7702 *) BIO_s_socket() had a broken should_retry() on Windoze.
7703 [Arne Ansper <arne@ats.cyber.ee>]
7705 *) BIO_f_buffer() didn't pass on BIO_CTRL_FLUSH.
7706 [Arne Ansper <arne@ats.cyber.ee>]
7708 *) Make sure the already existing X509_STORE->depth variable is initialized
7709 in X509_STORE_new(), but document the fact that this variable is still
7710 unused in the certificate verification process.
7711 [Ralf S. Engelschall]
7713 *) Fix the various library and apps files to free up pkeys obtained from
7714 X509_PUBKEY_get() et al. Also allow x509.c to handle netscape extensions.
7717 *) Fix reference counting in X509_PUBKEY_get(). This makes
7718 demos/maurice/example2.c work, amongst others, probably.
7719 [Steve Henson and Ben Laurie]
7721 *) First cut of a cleanup for apps/. First the `ssleay' program is now named
7722 `openssl' and second, the shortcut symlinks for the `openssl <command>'
7723 are no longer created. This way we have a single and consistent command
7724 line interface `openssl <command>', similar to `cvs <command>'.
7725 [Ralf S. Engelschall, Paul Sutton and Ben Laurie]
7727 *) ca.c: move test for DSA keys inside #ifndef NO_DSA. Make pubkey
7728 BIT STRING wrapper always have zero unused bits.
7731 *) Add CA.pl, perl version of CA.sh, add extended key usage OID.
7734 *) Make the top-level INSTALL documentation easier to understand.
7737 *) Makefiles updated to exit if an error occurs in a sub-directory
7738 make (including if user presses ^C) [Paul Sutton]
7740 *) Make Montgomery context stuff explicit in RSA data structure.
7743 *) Fix build order of pem and err to allow for generated pem.h.
7746 *) Fix renumbering bug in X509_NAME_delete_entry().
7749 *) Enhanced the err-ins.pl script so it makes the error library number
7750 global and can add a library name. This is needed for external ASN1 and
7751 other error libraries.
7754 *) Fixed sk_insert which never worked properly.
7757 *) Fix ASN1 macros so they can handle indefinite length construted
7758 EXPLICIT tags. Some non standard certificates use these: they can now
7762 *) Merged the various old/obsolete SSLeay documentation files (doc/xxx.doc)
7763 into a single doc/ssleay.txt bundle. This way the information is still
7764 preserved but no longer messes up this directory. Now it's new room for
7765 the new set of documenation files.
7766 [Ralf S. Engelschall]
7768 *) SETs were incorrectly DER encoded. This was a major pain, because they
7769 shared code with SEQUENCEs, which aren't coded the same. This means that
7770 almost everything to do with SETs or SEQUENCEs has either changed name or
7771 number of arguments.
7772 [Ben Laurie, based on a partial fix by GP Jayan <gp@nsj.co.jp>]
7774 *) Fix test data to work with the above.
7777 *) Fix the RSA header declarations that hid a bug I fixed in 0.9.0b but
7778 was already fixed by Eric for 0.9.1 it seems.
7779 [Ben Laurie - pointed out by Ulf Möller <ulf@fitug.de>]
7781 *) Autodetect FreeBSD3.
7784 *) Fix various bugs in Configure. This affects the following platforms:
7788 unixware-2.0-pentium
7792 *) Eliminate generated files from CVS. Reorder tests to regenerate files
7793 before they are needed.
7796 *) Generate Makefile.ssl from Makefile.org (to keep CVS happy).
7800 Changes between 0.9.1b and 0.9.1c [23-Dec-1998]
7802 *) Added OPENSSL_VERSION_NUMBER to crypto/crypto.h and
7803 changed SSLeay to OpenSSL in version strings.
7804 [Ralf S. Engelschall]
7806 *) Some fixups to the top-level documents.
7809 *) Fixed the nasty bug where rsaref.h was not found under compile-time
7810 because the symlink to include/ was missing.
7811 [Ralf S. Engelschall]
7813 *) Incorporated the popular no-RSA/DSA-only patches
7814 which allow to compile a RSA-free SSLeay.
7815 [Andrew Cooke / Interrader Ldt., Ralf S. Engelschall]
7817 *) Fixed nasty rehash problem under `make -f Makefile.ssl links'
7818 when "ssleay" is still not found.
7819 [Ralf S. Engelschall]
7821 *) Added more platforms to Configure: Cray T3E, HPUX 11,
7822 [Ralf S. Engelschall, Beckmann <beckman@acl.lanl.gov>]
7824 *) Updated the README file.
7825 [Ralf S. Engelschall]
7827 *) Added various .cvsignore files in the CVS repository subdirs
7828 to make a "cvs update" really silent.
7829 [Ralf S. Engelschall]
7831 *) Recompiled the error-definition header files and added
7832 missing symbols to the Win32 linker tables.
7833 [Ralf S. Engelschall]
7835 *) Cleaned up the top-level documents;
7836 o new files: CHANGES and LICENSE
7837 o merged VERSION, HISTORY* and README* files a CHANGES.SSLeay
7838 o merged COPYRIGHT into LICENSE
7839 o removed obsolete TODO file
7840 o renamed MICROSOFT to INSTALL.W32
7841 [Ralf S. Engelschall]
7843 *) Removed dummy files from the 0.9.1b source tree:
7844 crypto/asn1/x crypto/bio/cd crypto/bio/fg crypto/bio/grep crypto/bio/vi
7845 crypto/bn/asm/......add.c crypto/bn/asm/a.out crypto/dsa/f crypto/md5/f
7846 crypto/pem/gmon.out crypto/perlasm/f crypto/pkcs7/build crypto/rsa/f
7847 crypto/sha/asm/f crypto/threads/f ms/zzz ssl/f ssl/f.mak test/f
7848 util/f.mak util/pl/f util/pl/f.mak crypto/bf/bf_locl.old apps/f
7849 [Ralf S. Engelschall]
7851 *) Added various platform portability fixes.
7854 *) The Genesis of the OpenSSL rpject:
7855 We start with the latest (unreleased) SSLeay version 0.9.1b which Eric A.
7856 Young and Tim J. Hudson created while they were working for C2Net until
7858 [The OpenSSL Project]
7861 Changes between 0.9.0b and 0.9.1b [not released]
7863 *) Updated a few CA certificates under certs/
7866 *) Changed some BIGNUM api stuff.
7869 *) Various platform ports: OpenBSD, Ultrix, IRIX 64bit, NetBSD,
7870 DGUX x86, Linux Alpha, etc.
7873 *) New COMP library [crypto/comp/] for SSL Record Layer Compression:
7874 RLE (dummy implemented) and ZLIB (really implemented when ZLIB is
7878 *) Add -strparse option to asn1pars program which parses nested
7880 [Dr Stephen Henson <shenson@bigfoot.com>]
7882 *) Added "oid_file" to ssleay.cnf for "ca" and "req" programs.
7885 *) DSA fix for "ca" program.
7888 *) Added "-genkey" option to "dsaparam" program.
7891 *) Added RIPE MD160 (rmd160) message digest.
7894 *) Added -a (all) option to "ssleay version" command.
7897 *) Added PLATFORM define which is the id given to Configure.
7900 *) Added MemCheck_XXXX functions to crypto/mem.c for memory checking.
7903 *) Extended the ASN.1 parser routines.
7906 *) Extended BIO routines to support REUSEADDR, seek, tell, etc.
7909 *) Added a BN_CTX to the BN library.
7912 *) Fixed the weak key values in DES library
7915 *) Changed API in EVP library for cipher aliases.
7918 *) Added support for RC2/64bit cipher.
7921 *) Converted the lhash library to the crypto/mem.c functions.
7924 *) Added more recognized ASN.1 object ids.
7927 *) Added more RSA padding checks for SSL/TLS.
7930 *) Added BIO proxy/filter functionality.
7933 *) Added extra_certs to SSL_CTX which can be used
7934 send extra CA certificates to the client in the CA cert chain sending
7935 process. It can be configured with SSL_CTX_add_extra_chain_cert().
7938 *) Now Fortezza is denied in the authentication phase because
7939 this is key exchange mechanism is not supported by SSLeay at all.
7942 *) Additional PKCS1 checks.
7945 *) Support the string "TLSv1" for all TLS v1 ciphers.
7948 *) Added function SSL_get_ex_data_X509_STORE_CTX_idx() which gives the
7949 ex_data index of the SSL context in the X509_STORE_CTX ex_data.
7952 *) Fixed a few memory leaks.
7955 *) Fixed various code and comment typos.
7958 *) A minor bug in ssl/s3_clnt.c where there would always be 4 0
7959 bytes sent in the client random.
7960 [Edward Bishop <ebishop@spyglass.com>]