5 Changes between 0.9.6d and 0.9.7 [XX xxx 2002]
7 *) Make object definitions compliant to LDAP (RFC2256): SN is the short
8 form for "surname", serialNumber has no short form.
9 Use "mail" as the short name for "rfc822Mailbox" according to RFC2798;
10 therefore remove "mail" short name for "internet 7".
11 Some more OID additions. (Michael Bell <michael.bell@rz.hu-berlin.de>)
14 *) Add an "init" command to the ENGINE config module and auto initialize
15 ENGINEs. Without any "init" command the ENGINE will be initialized
16 after all ctrl commands have been executed on it. If init=1 the
17 ENGINE is initailized at that point (ctrls before that point are run
18 on the uninitialized ENGINE and after on the initialized one). If
19 init=0 then the ENGINE will not be iniatialized at all.
22 *) Fix the 'app_verify_callback' interface so that the user-defined
23 argument is actually passed to the callback: In the
24 SSL_CTX_set_cert_verify_callback() prototype, the callback
25 declaration has been changed from
28 int (*cb)(X509_STORE_CTX *,void *);
29 in ssl_verify_cert_chain (ssl/ssl_cert.c), the call
30 i=s->ctx->app_verify_callback(&ctx)
32 i=s->ctx->app_verify_callback(&ctx, s->ctx->app_verify_arg).
34 To update applications using SSL_CTX_set_cert_verify_callback(),
35 a dummy argument can be added to their callback functions.
36 [D. K. Smetters <smetters@parc.xerox.com>]
38 *) Added the '4758cca' ENGINE to support IBM 4758 cards.
39 [Maurice Gittens <maurice@gittens.nl>, touchups by Geoff Thorpe]
41 *) Add and OPENSSL_LOAD_CONF define which will cause
42 OpenSSL_add_all_algorithms() to load the openssl.cnf config file.
43 This allows older applications to transparently support certain
44 OpenSSL features: such as crypto acceleration and dynamic ENGINE loading.
45 Two new functions OPENSSL_add_all_algorithms_noconf() which will never
46 load the config file and OPENSSL_add_all_algorithms_conf() which will
47 always load it have also been added.
50 *) Add the OFB, CFB and CTR (all with 128 bit feedback) to AES.
51 Adjust NIDs and EVP layer.
52 [Stephen Sprunk <stephen@sprunk.org> and Richard Levitte]
54 *) Config modules support in openssl utility.
56 Most commands now load modules from the config file,
57 though in a few (such as version) this isn't done
58 because it couldn't be used for anything.
60 In the case of ca and req the config file used is
61 the same as the utility itself: that is the -config
62 command line option can be used to specify an
66 *) Move default behaviour from OPENSSL_config(). If appname is NULL
67 use "openssl_conf" if filename is NULL use default openssl config file.
70 *) Add an argument to OPENSSL_config() to allow the use of an alternative
71 config section name. Add a new flag to tolerate a missing config file
72 and move code to CONF_modules_load_file().
75 *) Support for crypto accelerator cards from Accelerated Encryption
76 Processing, www.aep.ie. (Use engine 'aep')
77 The support was copied from 0.9.6c [engine] and adapted/corrected
78 to work with the new engine framework.
79 [AEP Inc. and Richard Levitte]
81 *) Support for SureWare crypto accelerator cards from Baltimore
82 Technologies. (Use engine 'sureware')
83 The support was copied from 0.9.6c [engine] and adapted
84 to work with the new engine framework.
87 *) Have the CHIL engine fork-safe (as defined by nCipher) and actually
88 make the newer ENGINE framework commands for the CHIL engine work.
89 [Toomas Kiisk <vix@cyber.ee> and Richard Levitte]
91 *) Make it possible to produce shared libraries on ReliantUNIX.
92 [Robert Dahlem <Robert.Dahlem@ffm2.siemens.de> via Richard Levitte]
94 *) Add the configuration target debug-linux-ppro.
95 Make 'openssl rsa' use the general key loading routines
96 implemented in apps.c, and make those routines able to
97 handle the key format FORMAT_NETSCAPE and the variant
99 [Toomas Kiisk <vix@cyber.ee> via Richard Levitte]
101 *) Fix a crashbug and a logic bug in hwcrhk_load_pubkey().
102 [Toomas Kiisk <vix@cyber.ee> via Richard Levitte]
104 *) Add -keyform to rsautl, and document -engine.
105 [Richard Levitte, inspired by Toomas Kiisk <vix@cyber.ee>]
107 *) Change BIO_new_file (crypto/bio/bss_file.c) to use new
108 BIO_R_NO_SUCH_FILE error code rather than the generic
109 ERR_R_SYS_LIB error code if fopen() fails with ENOENT.
114 ERR_peek_last_error_line
115 ERR_peek_last_error_line_data.
119 ERR_peek_error_line_data,
120 but report on the latest error recorded rather than the first one
121 still in the error queue.
122 [Ben Laurie, Bodo Moeller]
124 *) default_algorithms option in ENGINE config module. This allows things
126 default_algorithms = ALL
127 default_algorithms = RSA, DSA, RAND, CIPHERS, DIGESTS
130 *) Prelminary ENGINE config module.
133 *) New experimental application configuration code.
136 *) Change the AES code to follow the same name structure as all other
137 symmetric ciphers, and behave the same way. Move everything to
138 the directory crypto/aes, thereby obsoleting crypto/rijndael.
139 [Stephen Sprunk <stephen@sprunk.org> and Richard Levitte]
141 *) SECURITY: remove unsafe setjmp/signal interaction from ui_openssl.c.
142 [Ben Laurie and Theo de Raadt]
144 *) Add option to output public keys in req command.
145 [Massimiliano Pala madwolf@openca.org]
147 *) Use wNAFs in EC_POINTs_mul() for improved efficiency
148 (up to about 10% better than before for P-192 and P-224).
151 *) New functions/macros
153 SSL_CTX_set_msg_callback(ctx, cb)
154 SSL_CTX_set_msg_callback_arg(ctx, arg)
155 SSL_set_msg_callback(ssl, cb)
156 SSL_set_msg_callback_arg(ssl, arg)
158 to request calling a callback function
160 void cb(int write_p, int version, int content_type,
161 const void *buf, size_t len, SSL *ssl, void *arg)
163 whenever a protocol message has been completely received
164 (write_p == 0) or sent (write_p == 1). Here 'version' is the
165 protocol version according to which the SSL library interprets
166 the current protocol message (SSL2_VERSION, SSL3_VERSION, or
167 TLS1_VERSION). 'content_type' is 0 in the case of SSL 2.0, or
168 the content type as defined in the SSL 3.0/TLS 1.0 protocol
169 specification (change_cipher_spec(20), alert(21), handshake(22)).
170 'buf' and 'len' point to the actual message, 'ssl' to the
171 SSL object, and 'arg' is the application-defined value set by
172 SSL[_CTX]_set_msg_callback_arg().
174 'openssl s_client' and 'openssl s_server' have new '-msg' options
175 to enable a callback that displays all protocol messages.
178 *) Change the shared library support so shared libraries are built as
179 soon as the corresponding static library is finished, and thereby get
180 openssl and the test programs linked against the shared library.
181 This still only happens when the keyword "shard" has been given to
182 the configuration scripts.
184 NOTE: shared library support is still an experimental thing, and
185 backward binary compatibility is still not guaranteed.
186 ["Maciej W. Rozycki" <macro@ds2.pg.gda.pl> and Richard Levitte]
188 *) Add support for Subject Information Access extension.
189 [Peter Sylvester <Peter.Sylvester@EdelWeb.fr>]
191 *) Make BUF_MEM_grow() behaviour more consistent: Initialise to zero
192 additional bytes when new memory had to be allocated, not just
193 when reusing an existing buffer.
196 *) New command line and configuration option 'utf8' for the req command.
197 This allows field values to be specified as UTF8 strings.
200 *) Add -multi and -mr options to "openssl speed" - giving multiple parallel
201 runs for the former and machine-readable output for the latter.
204 *) Add '-noemailDN' option to 'openssl ca'. This prevents inclusion
205 of the e-mail address in the DN (i.e., it will go into a certificate
206 extension only). The new configuration file option 'email_in_dn = no'
208 [Massimiliano Pala madwolf@openca.org]
210 *) Change all functions with names starting with des_ to be starting
211 with DES_ instead. Add wrappers that are compatible with libdes,
212 but are named _ossl_old_des_*. Finally, add macros that map the
213 des_* symbols to the corresponding _ossl_old_des_* if libdes
214 compatibility is desired. If OpenSSL 0.9.6c compatibility is
215 desired, the des_* symbols will be mapped to DES_*, with one
218 Since we provide two compatibility mappings, the user needs to
219 define the macro OPENSSL_DES_LIBDES_COMPATIBILITY if libdes
220 compatibility is desired. The default (i.e., when that macro
221 isn't defined) is OpenSSL 0.9.6c compatibility.
223 There are also macros that enable and disable the support of old
224 des functions altogether. Those are OPENSSL_ENABLE_OLD_DES_SUPPORT
225 and OPENSSL_DISABLE_OLD_DES_SUPPORT. If none or both of those
226 are defined, the default will apply: to support the old des routines.
228 In either case, one must include openssl/des.h to get the correct
229 definitions. Do not try to just include openssl/des_old.h, that
232 NOTE: This is a major break of an old API into a new one. Software
233 authors are encouraged to switch to the DES_ style functions. Some
234 time in the future, des_old.h and the libdes compatibility functions
235 will be disable (i.e. OPENSSL_DISABLE_OLD_DES_SUPPORT will be the
236 default), and then completely removed.
239 *) Test for certificates which contain unsupported critical extensions.
240 If such a certificate is found during a verify operation it is
241 rejected by default: this behaviour can be overridden by either
242 handling the new error X509_V_ERR_UNHANDLED_CRITICAL_EXTENSION or
243 by setting the verify flag X509_V_FLAG_IGNORE_CRITICAL. A new function
244 X509_supported_extension() has also been added which returns 1 if a
245 particular extension is supported.
248 *) Modify the behaviour of EVP cipher functions in similar way to digests
249 to retain compatibility with existing code.
252 *) Modify the behaviour of EVP_DigestInit() and EVP_DigestFinal() to retain
253 compatibility with existing code. In particular the 'ctx' parameter does
254 not have to be to be initialized before the call to EVP_DigestInit() and
255 it is tidied up after a call to EVP_DigestFinal(). New function
256 EVP_DigestFinal_ex() which does not tidy up the ctx. Similarly function
257 EVP_MD_CTX_copy() changed to not require the destination to be
258 initialized valid and new function EVP_MD_CTX_copy_ex() added which
259 requires the destination to be valid.
261 Modify all the OpenSSL digest calls to use EVP_DigestInit_ex(),
262 EVP_DigestFinal_ex() and EVP_MD_CTX_copy_ex().
265 *) Change ssl3_get_message (ssl/s3_both.c) and the functions using it
266 so that complete 'Handshake' protocol structures are kept in memory
267 instead of overwriting 'msg_type' and 'length' with 'body' data.
270 *) Add an implementation of SSL_add_dir_cert_subjects_to_stack for Win32.
271 [Massimo Santin via Richard Levitte]
273 *) Major restructuring to the underlying ENGINE code. This includes
274 reduction of linker bloat, separation of pure "ENGINE" manipulation
275 (initialisation, etc) from functionality dealing with implementations
276 of specific crypto iterfaces. This change also introduces integrated
277 support for symmetric ciphers and digest implementations - so ENGINEs
278 can now accelerate these by providing EVP_CIPHER and EVP_MD
279 implementations of their own. This is detailed in crypto/engine/README
280 as it couldn't be adequately described here. However, there are a few
281 API changes worth noting - some RSA, DSA, DH, and RAND functions that
282 were changed in the original introduction of ENGINE code have now
283 reverted back - the hooking from this code to ENGINE is now a good
284 deal more passive and at run-time, operations deal directly with
285 RSA_METHODs, DSA_METHODs (etc) as they did before, rather than
286 dereferencing through an ENGINE pointer any more. Also, the ENGINE
287 functions dealing with BN_MOD_EXP[_CRT] handlers have been removed -
288 they were not being used by the framework as there is no concept of a
289 BIGNUM_METHOD and they could not be generalised to the new
290 'ENGINE_TABLE' mechanism that underlies the new code. Similarly,
291 ENGINE_cpy() has been removed as it cannot be consistently defined in
295 *) Change ASN1_GENERALIZEDTIME_check() to allow fractional seconds.
298 *) Change mkdef.pl to sort symbols that get the same entry number,
299 and make sure the automatically generated functions ERR_load_*
300 become part of libeay.num as well.
303 *) New function SSL_renegotiate_pending(). This returns true once
304 renegotiation has been requested (either SSL_renegotiate() call
305 or HelloRequest/ClientHello receveived from the peer) and becomes
306 false once a handshake has been completed.
307 (For servers, SSL_renegotiate() followed by SSL_do_handshake()
308 sends a HelloRequest, but does not ensure that a handshake takes
309 place. SSL_renegotiate_pending() is useful for checking if the
310 client has followed the request.)
313 *) New SSL option SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION.
314 By default, clients may request session resumption even during
315 renegotiation (if session ID contexts permit); with this option,
316 session resumption is possible only in the first handshake.
319 *) Add some demos for certificate and certificate request creation.
322 *) Make maximum certificate chain size accepted from the peer application
323 settable (SSL*_get/set_max_cert_list()), as proposed by
324 "Douglas E. Engert" <deengert@anl.gov>.
327 *) Add support for shared libraries for Unixware-7
328 (Boyd Lynn Gerber <gerberb@zenez.com>).
331 *) Add a "destroy" handler to ENGINEs that allows structural cleanup to
332 be done prior to destruction. Use this to unload error strings from
333 ENGINEs that load their own error strings. NB: This adds two new API
334 functions to "get" and "set" this destroy handler in an ENGINE.
337 *) Alter all existing ENGINE implementations (except "openssl" and
338 "openbsd") to dynamically instantiate their own error strings. This
339 makes them more flexible to be built both as statically-linked ENGINEs
340 and self-contained shared-libraries loadable via the "dynamic" ENGINE.
341 Also, add stub code to each that makes building them as self-contained
342 shared-libraries easier (see README.ENGINE).
345 *) Add a "dynamic" ENGINE that provides a mechanism for binding ENGINE
346 implementations into applications that are completely implemented in
347 self-contained shared-libraries. The "dynamic" ENGINE exposes control
348 commands that can be used to configure what shared-library to load and
349 to control aspects of the way it is handled. Also, made an update to
350 the README.ENGINE file that brings its information up-to-date and
351 provides some information and instructions on the "dynamic" ENGINE
352 (ie. how to use it, how to build "dynamic"-loadable ENGINEs, etc).
355 *) Make it possible to unload ranges of ERR strings with a new
356 "ERR_unload_strings" function.
359 *) Add a copy() function to EVP_MD.
362 *) Make EVP_MD routines take a context pointer instead of just the
363 md_data void pointer.
366 *) Add flags to EVP_MD and EVP_MD_CTX. EVP_MD_FLAG_ONESHOT indicates
367 that the digest can only process a single chunk of data
368 (typically because it is provided by a piece of
369 hardware). EVP_MD_CTX_FLAG_ONESHOT indicates that the application
370 is only going to provide a single chunk of data, and hence the
371 framework needn't accumulate the data for oneshot drivers.
374 *) As with "ERR", make it possible to replace the underlying "ex_data"
375 functions. This change also alters the storage and management of global
376 ex_data state - it's now all inside ex_data.c and all "class" code (eg.
377 RSA, BIO, SSL_CTX, etc) no longer stores its own STACKS and per-class
378 index counters. The API functions that use this state have been changed
379 to take a "class_index" rather than pointers to the class's local STACK
380 and counter, and there is now an API function to dynamically create new
381 classes. This centralisation allows us to (a) plug a lot of the
382 thread-safety problems that existed, and (b) makes it possible to clean
383 up all allocated state using "CRYPTO_cleanup_all_ex_data()". W.r.t. (b)
384 such data would previously have always leaked in application code and
385 workarounds were in place to make the memory debugging turn a blind eye
386 to it. Application code that doesn't use this new function will still
387 leak as before, but their memory debugging output will announce it now
388 rather than letting it slide.
390 Besides the addition of CRYPTO_cleanup_all_ex_data(), another API change
391 induced by the "ex_data" overhaul is that X509_STORE_CTX_init() now
392 has a return value to indicate success or failure.
395 *) Make it possible to replace the underlying "ERR" functions such that the
396 global state (2 LHASH tables and 2 locks) is only used by the "default"
397 implementation. This change also adds two functions to "get" and "set"
398 the implementation prior to it being automatically set the first time
399 any other ERR function takes place. Ie. an application can call "get",
400 pass the return value to a module it has just loaded, and that module
401 can call its own "set" function using that value. This means the
402 module's "ERR" operations will use (and modify) the error state in the
403 application and not in its own statically linked copy of OpenSSL code.
406 *) Give DH, DSA, and RSA types their own "**_up_ref()" function to increment
407 reference counts. This performs normal REF_PRINT/REF_CHECK macros on
408 the operation, and provides a more encapsulated way for external code
409 (crypto/evp/ and ssl/) to do this. Also changed the evp and ssl code
410 to use these functions rather than manually incrementing the counts.
412 Also rename "DSO_up()" function to more descriptive "DSO_up_ref()".
415 *) Add EVP test program.
418 *) Add symmetric cipher support to ENGINE. Expect the API to change!
421 *) New CRL functions: X509_CRL_set_version(), X509_CRL_set_issuer_name()
422 X509_CRL_set_lastUpdate(), X509_CRL_set_nextUpdate(), X509_CRL_sort(),
423 X509_REVOKED_set_serialNumber(), and X509_REVOKED_set_revocationDate().
424 These allow a CRL to be built without having to access X509_CRL fields
425 directly. Modify 'ca' application to use new functions.
428 *) Move SSL_OP_TLS_ROLLBACK_BUG out of the SSL_OP_ALL list of recommended
429 bug workarounds. Rollback attack detection is a security feature.
430 The problem will only arise on OpenSSL servers when TLSv1 is not
431 available (sslv3_server_method() or SSL_OP_NO_TLSv1).
432 Software authors not wanting to support TLSv1 will have special reasons
433 for their choice and can explicitly enable this option.
434 [Bodo Moeller, Lutz Jaenicke]
436 *) Rationalise EVP so it can be extended: don't include a union of
437 cipher/digest structures, add init/cleanup functions. This also reduces
438 the number of header dependencies.
443 EVP_MD_CTX_init(&md); /* new function call */
444 EVP_DigestInit(&md, EVP_sha1());
445 EVP_DigestUpdate(&md, in, len);
446 EVP_DigestFinal(&md, out, NULL);
447 EVP_MD_CTX_cleanup(&md); /* new function call */
451 *) Make DES key schedule conform to the usual scheme, as well as
452 correcting its structure. This means that calls to DES functions
453 now have to pass a pointer to a des_key_schedule instead of a
454 plain des_key_schedule (which was actually always a pointer
459 des_set_key_checked(..., &ks);
460 des_ncbc_encrypt(..., &ks, ...);
462 (Note that a later change renames 'des_...' into 'DES_...'.)
465 *) Initial reduction of linker bloat: the use of some functions, such as
466 PEM causes large amounts of unused functions to be linked in due to
467 poor organisation. For example pem_all.c contains every PEM function
468 which has a knock on effect of linking in large amounts of (unused)
469 ASN1 code. Grouping together similar functions and splitting unrelated
470 functions prevents this.
473 *) Cleanup of EVP macros.
476 *) Change historical references to {NID,SN,LN}_des_ede and ede3 to add the
480 *) Add initial OCSP responder support to ocsp application. The
481 revocation information is handled using the text based index
482 use by the ca application. The responder can either handle
483 requests generated internally, supplied in files (for example
484 via a CGI script) or using an internal minimal server.
487 *) Add configuration choices to get zlib compression for TLS.
490 *) Changes to Kerberos SSL for RFC 2712 compliance:
491 1. Implemented real KerberosWrapper, instead of just using
492 KRB5 AP_REQ message. [Thanks to Simon Wilkinson <sxw@sxw.org.uk>]
493 2. Implemented optional authenticator field of KerberosWrapper.
495 Added openssl-style ASN.1 macros for Kerberos ticket, ap_req,
496 and authenticator structs; see crypto/krb5/.
498 Generalized Kerberos calls to support multiple Kerberos libraries.
499 [Vern Staats <staatsvr@asc.hpc.mil>,
500 Jeffrey Altman <jaltman@columbia.edu>
503 *) Cause 'openssl speed' to use fully hard-coded DSA keys as it
504 already does with RSA. testdsa.h now has 'priv_key/pub_key'
505 values for each of the key sizes rather than having just
506 parameters (and 'speed' generating keys each time).
509 *) Speed up EVP routines.
512 type 8 bytes 64 bytes 256 bytes 1024 bytes 8192 bytes
513 des-cbc 4408.85k 5560.51k 5778.46k 5862.20k 5825.16k
514 des-cbc 4389.55k 5571.17k 5792.23k 5846.91k 5832.11k
515 des-cbc 4394.32k 5575.92k 5807.44k 5848.37k 5841.30k
517 des-cbc 3482.66k 5069.49k 5496.39k 5614.16k 5639.28k
518 des-cbc 3480.74k 5068.76k 5510.34k 5609.87k 5635.52k
519 des-cbc 3483.72k 5067.62k 5504.60k 5708.01k 5724.80k
522 des-cbc 4660.16k 5650.19k 5807.19k 5827.13k 5783.32k
524 des-cbc 3624.96k 5258.21k 5530.91k 5624.30k 5628.26k
527 *) Added the OS2-EMX target.
528 ["Brian Havard" <brianh@kheldar.apana.org.au> and Richard Levitte]
530 *) Rewrite apps to use NCONF routines instead of the old CONF. New functions
531 to support NCONF routines in extension code. New function CONF_set_nconf()
532 to allow functions which take an NCONF to also handle the old LHASH
533 structure: this means that the old CONF compatible routines can be
534 retained (in particular wrt extensions) without having to duplicate the
535 code. New function X509V3_add_ext_nconf_sk to add extensions to a stack.
538 *) Enhance the general user interface with mechanisms for inner control
539 and with possibilities to have yes/no kind of prompts.
542 *) Change all calls to low level digest routines in the library and
543 applications to use EVP. Add missing calls to HMAC_cleanup() and
544 don't assume HMAC_CTX can be copied using memcpy().
545 [Verdon Walker <VWalker@novell.com>, Steve Henson]
547 *) Add the possibility to control engines through control names but with
548 arbitrary arguments instead of just a string.
549 Change the key loaders to take a UI_METHOD instead of a callback
550 function pointer. NOTE: this breaks binary compatibility with earlier
551 versions of OpenSSL [engine].
552 Adapt the nCipher code for these new conditions and add a card insertion
556 *) Enhance the general user interface with mechanisms to better support
557 dialog box interfaces, application-defined prompts, the possibility
558 to use defaults (for example default passwords from somewhere else)
559 and interrupts/cancellations.
562 *) Tidy up PKCS#12 attribute handling. Add support for the CSP name
563 attribute in PKCS#12 files, add new -CSP option to pkcs12 utility.
566 *) Fix a memory leak in 'sk_dup()' in the case reallocation fails. (Also
567 tidy up some unnecessarily weird code in 'sk_new()').
568 [Geoff, reported by Diego Tartara <dtartara@novamens.com>]
570 *) Change the key loading routines for ENGINEs to use the same kind
571 callback (pem_password_cb) as all other routines that need this
575 *) Increase ENTROPY_NEEDED to 32 bytes, as Rijndael can operate with
576 256 bit (=32 byte) keys. Of course seeding with more entropy bytes
577 than this minimum value is recommended.
580 *) New random seeder for OpenVMS, using the system process statistics
581 that are easily reachable.
584 *) Windows apparently can't transparently handle global
585 variables defined in DLLs. Initialisations such as:
587 const ASN1_ITEM *it = &ASN1_INTEGER_it;
589 wont compile. This is used by the any applications that need to
590 declare their own ASN1 modules. This was fixed by adding the option
591 EXPORT_VAR_AS_FN to all Win32 platforms, although this isn't strictly
592 needed for static libraries under Win32.
595 *) New functions X509_PURPOSE_set() and X509_TRUST_set() to handle
596 setting of purpose and trust fields. New X509_STORE trust and
597 purpose functions and tidy up setting in other SSL functions.
600 *) Add copies of X509_STORE_CTX fields and callbacks to X509_STORE
601 structure. These are inherited by X509_STORE_CTX when it is
602 initialised. This allows various defaults to be set in the
603 X509_STORE structure (such as flags for CRL checking and custom
604 purpose or trust settings) for functions which only use X509_STORE_CTX
605 internally such as S/MIME.
607 Modify X509_STORE_CTX_purpose_inherit() so it only sets purposes and
608 trust settings if they are not set in X509_STORE. This allows X509_STORE
609 purposes and trust (in S/MIME for example) to override any set by default.
611 Add command line options for CRL checking to smime, s_client and s_server
615 *) Initial CRL based revocation checking. If the CRL checking flag(s)
616 are set then the CRL is looked up in the X509_STORE structure and
617 its validity and signature checked, then if the certificate is found
618 in the CRL the verify fails with a revoked error.
620 Various new CRL related callbacks added to X509_STORE_CTX structure.
622 Command line options added to 'verify' application to support this.
624 This needs some additional work, such as being able to handle multiple
625 CRLs with different times, extension based lookup (rather than just
626 by subject name) and ultimately more complete V2 CRL extension
630 *) Add a general user interface API (crypto/ui/). This is designed
631 to replace things like des_read_password and friends (backward
632 compatibility functions using this new API are provided).
633 The purpose is to remove prompting functions from the DES code
634 section as well as provide for prompting through dialog boxes in
635 a window system and the like.
638 *) Add "ex_data" support to ENGINE so implementations can add state at a
639 per-structure level rather than having to store it globally.
642 *) Make it possible for ENGINE structures to be copied when retrieved by
643 ENGINE_by_id() if the ENGINE specifies a new flag: ENGINE_FLAGS_BY_ID_COPY.
644 This causes the "original" ENGINE structure to act like a template,
645 analogous to the RSA vs. RSA_METHOD type of separation. Because of this
646 operational state can be localised to each ENGINE structure, despite the
647 fact they all share the same "methods". New ENGINE structures returned in
648 this case have no functional references and the return value is the single
649 structural reference. This matches the single structural reference returned
650 by ENGINE_by_id() normally, when it is incremented on the pre-existing
654 *) Fix ASN1 decoder when decoding type ANY and V_ASN1_OTHER: since this
655 needs to match any other type at all we need to manually clear the
659 *) Changes to the "openssl engine" utility to include;
660 - verbosity levels ('-v', '-vv', and '-vvv') that provide information
661 about an ENGINE's available control commands.
662 - executing control commands from command line arguments using the
663 '-pre' and '-post' switches. '-post' is only used if '-t' is
664 specified and the ENGINE is successfully initialised. The syntax for
665 the individual commands are colon-separated, for example;
666 openssl engine chil -pre FORK_CHECK:0 -pre SO_PATH:/lib/test.so
669 *) New dynamic control command support for ENGINEs. ENGINEs can now
670 declare their own commands (numbers), names (strings), descriptions,
671 and input types for run-time discovery by calling applications. A
672 subset of these commands are implicitly classed as "executable"
673 depending on their input type, and only these can be invoked through
674 the new string-based API function ENGINE_ctrl_cmd_string(). (Eg. this
675 can be based on user input, config files, etc). The distinction is
676 that "executable" commands cannot return anything other than a boolean
677 result and can only support numeric or string input, whereas some
678 discoverable commands may only be for direct use through
679 ENGINE_ctrl(), eg. supporting the exchange of binary data, function
680 pointers, or other custom uses. The "executable" commands are to
681 support parameterisations of ENGINE behaviour that can be
682 unambiguously defined by ENGINEs and used consistently across any
683 OpenSSL-based application. Commands have been added to all the
684 existing hardware-supporting ENGINEs, noticeably "SO_PATH" to allow
685 control over shared-library paths without source code alterations.
688 *) Changed all ENGINE implementations to dynamically allocate their
689 ENGINEs rather than declaring them statically. Apart from this being
690 necessary with the removal of the ENGINE_FLAGS_MALLOCED distinction,
691 this also allows the implementations to compile without using the
692 internal engine_int.h header.
695 *) Minor adjustment to "rand" code. RAND_get_rand_method() now returns a
696 'const' value. Any code that should be able to modify a RAND_METHOD
697 should already have non-const pointers to it (ie. they should only
698 modify their own ones).
701 *) Made a variety of little tweaks to the ENGINE code.
702 - "atalla" and "ubsec" string definitions were moved from header files
703 to C code. "nuron" string definitions were placed in variables
704 rather than hard-coded - allowing parameterisation of these values
705 later on via ctrl() commands.
706 - Removed unused "#if 0"'d code.
707 - Fixed engine list iteration code so it uses ENGINE_free() to release
708 structural references.
709 - Constified the RAND_METHOD element of ENGINE structures.
710 - Constified various get/set functions as appropriate and added
711 missing functions (including a catch-all ENGINE_cpy that duplicates
712 all ENGINE values onto a new ENGINE except reference counts/state).
713 - Removed NULL parameter checks in get/set functions. Setting a method
714 or function to NULL is a way of cancelling out a previously set
715 value. Passing a NULL ENGINE parameter is just plain stupid anyway
716 and doesn't justify the extra error symbols and code.
717 - Deprecate the ENGINE_FLAGS_MALLOCED define and move the area for
718 flags from engine_int.h to engine.h.
719 - Changed prototypes for ENGINE handler functions (init(), finish(),
720 ctrl(), key-load functions, etc) to take an (ENGINE*) parameter.
723 *) Implement binary inversion algorithm for BN_mod_inverse in addition
724 to the algorithm using long division. The binary algorithm can be
725 used only if the modulus is odd. On 32-bit systems, it is faster
726 only for relatively small moduli (roughly 20-30% for 128-bit moduli,
727 roughly 5-15% for 256-bit moduli), so we use it only for moduli
728 up to 450 bits. In 64-bit environments, the binary algorithm
729 appears to be advantageous for much longer moduli; here we use it
730 for moduli up to 2048 bits.
733 *) Rewrite CHOICE field setting in ASN1_item_ex_d2i(). The old code
734 could not support the combine flag in choice fields.
737 *) Add a 'copy_extensions' option to the 'ca' utility. This copies
738 extensions from a certificate request to the certificate.
741 *) Allow multiple 'certopt' and 'nameopt' options to be separated
742 by commas. Add 'namopt' and 'certopt' options to the 'ca' config
743 file: this allows the display of the certificate about to be
744 signed to be customised, to allow certain fields to be included
745 or excluded and extension details. The old system didn't display
746 multicharacter strings properly, omitted fields not in the policy
747 and couldn't display additional details such as extensions.
750 *) Function EC_POINTs_mul for multiple scalar multiplication
751 of an arbitrary number of elliptic curve points
752 \sum scalars[i]*points[i],
753 optionally including the generator defined for the EC_GROUP:
754 scalar*generator + \sum scalars[i]*points[i].
756 EC_POINT_mul is a simple wrapper function for the typical case
757 that the point list has just one item (besides the optional
761 *) First EC_METHODs for curves over GF(p):
763 EC_GFp_simple_method() uses the basic BN_mod_mul and BN_mod_sqr
764 operations and provides various method functions that can also
765 operate with faster implementations of modular arithmetic.
767 EC_GFp_mont_method() reuses most functions that are part of
768 EC_GFp_simple_method, but uses Montgomery arithmetic.
770 [Bodo Moeller; point addition and point doubling
771 implementation directly derived from source code provided by
772 Lenka Fibikova <fibikova@exp-math.uni-essen.de>]
774 *) Framework for elliptic curves (crypto/ec/ec.h, crypto/ec/ec_lcl.h,
777 Curves are EC_GROUP objects (with an optional group generator)
778 based on EC_METHODs that are built into the library.
780 Points are EC_POINT objects based on EC_GROUP objects.
782 Most of the framework would be able to handle curves over arbitrary
783 finite fields, but as there are no obvious types for fields other
784 than GF(p), some functions are limited to that for now.
787 *) Add the -HTTP option to s_server. It is similar to -WWW, but requires
788 that the file contains a complete HTTP response.
791 *) Add the ec directory to mkdef.pl and mkfiles.pl. In mkdef.pl
792 change the def and num file printf format specifier from "%-40sXXX"
793 to "%-39s XXX". The latter will always guarantee a space after the
794 field while the former will cause them to run together if the field
795 is 40 of more characters long.
798 *) Constify the cipher and digest 'method' functions and structures
799 and modify related functions to take constant EVP_MD and EVP_CIPHER
803 *) Hide BN_CTX structure details in bn_lcl.h instead of publishing them
804 in <openssl/bn.h>. Also further increase BN_CTX_NUM to 32.
807 *) Modify EVP_Digest*() routines so they now return values. Although the
808 internal software routines can never fail additional hardware versions
812 *) Clean up crypto/err/err.h and change some error codes to avoid conflicts:
814 Previously ERR_R_FATAL was too small and coincided with ERR_LIB_PKCS7
815 (= ERR_R_PKCS7_LIB); it is now 64 instead of 32.
818 ERR_R_NESTED_ASN1_ERROR
820 ERR_R_MISSING_ASN1_EOS
821 were 4 .. 9, conflicting with
822 ERR_LIB_RSA (= ERR_R_RSA_LIB)
824 ERR_LIB_PEM (= ERR_R_PEM_LIB).
825 They are now 58 .. 63 (i.e., just below ERR_R_FATAL).
827 Add new error code 'ERR_R_INTERNAL_ERROR'.
830 *) Don't overuse locks in crypto/err/err.c: For data retrieval, CRYPTO_r_lock
834 *) New option '-subj arg' for 'openssl req' and 'openssl ca'. This
835 sets the subject name for a new request or supersedes the
836 subject name in a given request. Formats that can be parsed are
837 'CN=Some Name, OU=myOU, C=IT'
839 'CN=Some Name/OU=myOU/C=IT'.
841 Add options '-batch' and '-verbose' to 'openssl req'.
842 [Massimiliano Pala <madwolf@hackmasters.net>]
844 *) Introduce the possibility to access global variables through
845 functions on platform were that's the best way to handle exporting
846 global variables in shared libraries. To enable this functionality,
847 one must configure with "EXPORT_VAR_AS_FN" or defined the C macro
848 "OPENSSL_EXPORT_VAR_AS_FUNCTION" in crypto/opensslconf.h (the latter
849 is normally done by Configure or something similar).
851 To implement a global variable, use the macro OPENSSL_IMPLEMENT_GLOBAL
852 in the source file (foo.c) like this:
854 OPENSSL_IMPLEMENT_GLOBAL(int,foo)=1;
855 OPENSSL_IMPLEMENT_GLOBAL(double,bar);
857 To declare a global variable, use the macros OPENSSL_DECLARE_GLOBAL
858 and OPENSSL_GLOBAL_REF in the header file (foo.h) like this:
860 OPENSSL_DECLARE_GLOBAL(int,foo);
861 #define foo OPENSSL_GLOBAL_REF(foo)
862 OPENSSL_DECLARE_GLOBAL(double,bar);
863 #define bar OPENSSL_GLOBAL_REF(bar)
865 The #defines are very important, and therefore so is including the
866 header file everywhere where the defined globals are used.
868 The macro OPENSSL_EXPORT_VAR_AS_FUNCTION also affects the definition
869 of ASN.1 items, but that structure is a bit different.
871 The largest change is in util/mkdef.pl which has been enhanced with
872 better and easier to understand logic to choose which symbols should
873 go into the Windows .def files as well as a number of fixes and code
874 cleanup (among others, algorithm keywords are now sorted
875 lexicographically to avoid constant rewrites).
878 *) In BN_div() keep a copy of the sign of 'num' before writing the
879 result to 'rm' because if rm==num the value will be overwritten
880 and produce the wrong result if 'num' is negative: this caused
881 problems with BN_mod() and BN_nnmod().
884 *) Function OCSP_request_verify(). This checks the signature on an
885 OCSP request and verifies the signer certificate. The signer
886 certificate is just checked for a generic purpose and OCSP request
890 *) Add OCSP_check_validity() function to check the validity of OCSP
891 responses. OCSP responses are prepared in real time and may only
892 be a few seconds old. Simply checking that the current time lies
893 between thisUpdate and nextUpdate max reject otherwise valid responses
894 caused by either OCSP responder or client clock inaccuracy. Instead
895 we allow thisUpdate and nextUpdate to fall within a certain period of
896 the current time. The age of the response can also optionally be
897 checked. Two new options -validity_period and -status_age added to
901 *) If signature or public key algorithm is unrecognized print out its
902 OID rather that just UNKNOWN.
905 *) Change OCSP_cert_to_id() to tolerate a NULL subject certificate and
906 OCSP_cert_id_new() a NULL serialNumber. This allows a partial certificate
907 ID to be generated from the issuer certificate alone which can then be
908 passed to OCSP_id_issuer_cmp().
911 *) New compilation option ASN1_ITEM_FUNCTIONS. This causes the new
912 ASN1 modules to export functions returning ASN1_ITEM pointers
913 instead of the ASN1_ITEM structures themselves. This adds several
914 new macros which allow the underlying ASN1 function/structure to
915 be accessed transparently. As a result code should not use ASN1_ITEM
916 references directly (such as &X509_it) but instead use the relevant
917 macros (such as ASN1_ITEM_rptr(X509)). This option is to allow
918 use of the new ASN1 code on platforms where exporting structures
919 is problematical (for example in shared libraries) but exporting
920 functions returning pointers to structures is not.
923 *) Add support for overriding the generation of SSL/TLS session IDs.
924 These callbacks can be registered either in an SSL_CTX or per SSL.
925 The purpose of this is to allow applications to control, if they wish,
926 the arbitrary values chosen for use as session IDs, particularly as it
927 can be useful for session caching in multiple-server environments. A
928 command-line switch for testing this (and any client code that wishes
929 to use such a feature) has been added to "s_server".
930 [Geoff Thorpe, Lutz Jaenicke]
932 *) Modify mkdef.pl to recognise and parse preprocessor conditionals
933 of the form '#if defined(...) || defined(...) || ...' and
934 '#if !defined(...) && !defined(...) && ...'. This also avoids
935 the growing number of special cases it was previously handling.
938 *) Make all configuration macros available for application by making
939 sure they are available in opensslconf.h, by giving them names starting
940 with "OPENSSL_" to avoid conflicts with other packages and by making
941 sure e_os2.h will cover all platform-specific cases together with
943 Additionally, it is now possible to define configuration/platform-
944 specific names (called "system identities"). In the C code, these
945 are prefixed with "OPENSSL_SYSNAME_". e_os2.h will create another
946 macro with the name beginning with "OPENSSL_SYS_", which is determined
947 from "OPENSSL_SYSNAME_*" or compiler-specific macros depending on
951 *) New option -set_serial to 'req' and 'x509' this allows the serial
952 number to use to be specified on the command line. Previously self
953 signed certificates were hard coded with serial number 0 and the
954 CA options of 'x509' had to use a serial number in a file which was
958 *) New options to 'ca' utility to support V2 CRL entry extensions.
959 Currently CRL reason, invalidity date and hold instruction are
960 supported. Add new CRL extensions to V3 code and some new objects.
963 *) New function EVP_CIPHER_CTX_set_padding() this is used to
964 disable standard block padding (aka PKCS#5 padding) in the EVP
965 API, which was previously mandatory. This means that the data is
966 not padded in any way and so the total length much be a multiple
967 of the block size, otherwise an error occurs.
970 *) Initial (incomplete) OCSP SSL support.
973 *) New function OCSP_parse_url(). This splits up a URL into its host,
974 port and path components: primarily to parse OCSP URLs. New -url
975 option to ocsp utility.
978 *) New nonce behavior. The return value of OCSP_check_nonce() now
979 reflects the various checks performed. Applications can decide
980 whether to tolerate certain situations such as an absent nonce
981 in a response when one was present in a request: the ocsp application
982 just prints out a warning. New function OCSP_add1_basic_nonce()
983 this is to allow responders to include a nonce in a response even if
984 the request is nonce-less.
987 *) Disable stdin buffering in load_cert (apps/apps.c) so that no certs are
988 skipped when using openssl x509 multiple times on a single input file,
989 e.g. "(openssl x509 -out cert1; openssl x509 -out cert2) <certs".
992 *) Make ASN1_UTCTIME_set_string() and ASN1_GENERALIZEDTIME_set_string()
993 set string type: to handle setting ASN1_TIME structures. Fix ca
994 utility to correctly initialize revocation date of CRLs.
997 *) New option SSL_OP_CIPHER_SERVER_PREFERENCE allows the server to override
998 the clients preferred ciphersuites and rather use its own preferences.
999 Should help to work around M$ SGC (Server Gated Cryptography) bug in
1000 Internet Explorer by ensuring unchanged hash method during stepup.
1001 (Also replaces the broken/deactivated SSL_OP_NON_EXPORT_FIRST option.)
1004 *) Make mkdef.pl recognise all DECLARE_ASN1 macros, change rijndael
1005 to aes and add a new 'exist' option to print out symbols that don't
1009 *) Additional options to ocsp utility to allow flags to be set and
1010 additional certificates supplied.
1013 *) Add the option -VAfile to 'openssl ocsp', so the user can give the
1014 OCSP client a number of certificate to only verify the response
1018 *) Update Rijndael code to version 3.0 and change EVP AES ciphers to
1019 handle the new API. Currently only ECB, CBC modes supported. Add new
1020 AES OIDs. Add TLS AES ciphersuites as described in the "AES Ciphersuites
1021 for TLS" draft-ietf-tls-ciphersuite-03.txt.
1022 [Ben Laurie, Steve Henson]
1024 *) New function OCSP_copy_nonce() to copy nonce value (if present) from
1025 request to response.
1028 *) Functions for OCSP responders. OCSP_request_onereq_count(),
1029 OCSP_request_onereq_get0(), OCSP_onereq_get0_id() and OCSP_id_get0_info()
1030 extract information from a certificate request. OCSP_response_create()
1031 creates a response and optionally adds a basic response structure.
1032 OCSP_basic_add1_status() adds a complete single response to a basic
1033 response and returns the OCSP_SINGLERESP structure just added (to allow
1034 extensions to be included for example). OCSP_basic_add1_cert() adds a
1035 certificate to a basic response and OCSP_basic_sign() signs a basic
1036 response with various flags. New helper functions ASN1_TIME_check()
1037 (checks validity of ASN1_TIME structure) and ASN1_TIME_to_generalizedtime()
1038 (converts ASN1_TIME to GeneralizedTime).
1041 *) Various new functions. EVP_Digest() combines EVP_Digest{Init,Update,Final}()
1042 in a single operation. X509_get0_pubkey_bitstr() extracts the public_key
1043 structure from a certificate. X509_pubkey_digest() digests the public_key
1044 contents: this is used in various key identifiers.
1047 *) Make sk_sort() tolerate a NULL argument.
1048 [Steve Henson reported by Massimiliano Pala <madwolf@comune.modena.it>]
1050 *) New OCSP verify flag OCSP_TRUSTOTHER. When set the "other" certificates
1051 passed by the function are trusted implicitly. If any of them signed the
1052 response then it is assumed to be valid and is not verified.
1055 *) In PKCS7_set_type() initialise content_type in PKCS7_ENC_CONTENT
1056 to data. This was previously part of the PKCS7 ASN1 code. This
1057 was causing problems with OpenSSL created PKCS#12 and PKCS#7 structures.
1058 [Steve Henson, reported by Kenneth R. Robinette
1059 <support@securenetterm.com>]
1061 *) Add CRYPTO_push_info() and CRYPTO_pop_info() calls to new ASN1
1062 routines: without these tracing memory leaks is very painful.
1063 Fix leaks in PKCS12 and PKCS7 routines.
1066 *) Make X509_time_adj() cope with the new behaviour of ASN1_TIME_new().
1067 Previously it initialised the 'type' argument to V_ASN1_UTCTIME which
1068 effectively meant GeneralizedTime would never be used. Now it
1069 is initialised to -1 but X509_time_adj() now has to check the value
1070 and use ASN1_TIME_set() if the value is not V_ASN1_UTCTIME or
1071 V_ASN1_GENERALIZEDTIME, without this it always uses GeneralizedTime.
1072 [Steve Henson, reported by Kenneth R. Robinette
1073 <support@securenetterm.com>]
1075 *) Fixes to BN_to_ASN1_INTEGER when bn is zero. This would previously
1076 result in a zero length in the ASN1_INTEGER structure which was
1077 not consistent with the structure when d2i_ASN1_INTEGER() was used
1078 and would cause ASN1_INTEGER_cmp() to fail. Enhance s2i_ASN1_INTEGER()
1079 to cope with hex and negative integers. Fix bug in i2a_ASN1_INTEGER()
1080 where it did not print out a minus for negative ASN1_INTEGER.
1083 *) Add summary printout to ocsp utility. The various functions which
1084 convert status values to strings have been renamed to:
1085 OCSP_response_status_str(), OCSP_cert_status_str() and
1086 OCSP_crl_reason_str() and are no longer static. New options
1087 to verify nonce values and to disable verification. OCSP response
1088 printout format cleaned up.
1091 *) Add additional OCSP certificate checks. These are those specified
1092 in RFC2560. This consists of two separate checks: the CA of the
1093 certificate being checked must either be the OCSP signer certificate
1094 or the issuer of the OCSP signer certificate. In the latter case the
1095 OCSP signer certificate must contain the OCSP signing extended key
1096 usage. This check is performed by attempting to match the OCSP
1097 signer or the OCSP signer CA to the issuerNameHash and issuerKeyHash
1098 in the OCSP_CERTID structures of the response.
1101 *) Initial OCSP certificate verification added to OCSP_basic_verify()
1102 and related routines. This uses the standard OpenSSL certificate
1103 verify routines to perform initial checks (just CA validity) and
1104 to obtain the certificate chain. Then additional checks will be
1105 performed on the chain. Currently the root CA is checked to see
1106 if it is explicitly trusted for OCSP signing. This is used to set
1107 a root CA as a global signing root: that is any certificate that
1108 chains to that CA is an acceptable OCSP signing certificate.
1111 *) New '-extfile ...' option to 'openssl ca' for reading X.509v3
1112 extensions from a separate configuration file.
1113 As when reading extensions from the main configuration file,
1114 the '-extensions ...' option may be used for specifying the
1116 [Massimiliano Pala <madwolf@comune.modena.it>]
1118 *) New OCSP utility. Allows OCSP requests to be generated or
1119 read. The request can be sent to a responder and the output
1120 parsed, outputed or printed in text form. Not complete yet:
1121 still needs to check the OCSP response validity.
1124 *) New subcommands for 'openssl ca':
1125 'openssl ca -status <serial>' prints the status of the cert with
1126 the given serial number (according to the index file).
1127 'openssl ca -updatedb' updates the expiry status of certificates
1129 [Massimiliano Pala <madwolf@comune.modena.it>]
1131 *) New '-newreq-nodes' command option to CA.pl. This is like
1132 '-newreq', but calls 'openssl req' with the '-nodes' option
1133 so that the resulting key is not encrypted.
1134 [Damien Miller <djm@mindrot.org>]
1136 *) New configuration for the GNU Hurd.
1137 [Jonathan Bartlett <johnnyb@wolfram.com> via Richard Levitte]
1139 *) Initial code to implement OCSP basic response verify. This
1140 is currently incomplete. Currently just finds the signer's
1141 certificate and verifies the signature on the response.
1144 *) New SSLeay_version code SSLEAY_DIR to determine the compiled-in
1145 value of OPENSSLDIR. This is available via the new '-d' option
1146 to 'openssl version', and is also included in 'openssl version -a'.
1149 *) Allowing defining memory allocation callbacks that will be given
1150 file name and line number information in additional arguments
1151 (a const char* and an int). The basic functionality remains, as
1152 well as the original possibility to just replace malloc(),
1153 realloc() and free() by functions that do not know about these
1154 additional arguments. To register and find out the current
1155 settings for extended allocation functions, the following
1156 functions are provided:
1158 CRYPTO_set_mem_ex_functions
1159 CRYPTO_set_locked_mem_ex_functions
1160 CRYPTO_get_mem_ex_functions
1161 CRYPTO_get_locked_mem_ex_functions
1163 These work the same way as CRYPTO_set_mem_functions and friends.
1164 CRYPTO_get_[locked_]mem_functions now writes 0 where such an
1165 extended allocation function is enabled.
1166 Similarly, CRYPTO_get_[locked_]mem_ex_functions writes 0 where
1167 a conventional allocation function is enabled.
1168 [Richard Levitte, Bodo Moeller]
1170 *) Finish off removing the remaining LHASH function pointer casts.
1171 There should no longer be any prototype-casting required when using
1172 the LHASH abstraction, and any casts that remain are "bugs". See
1173 the callback types and macros at the head of lhash.h for details
1174 (and "OBJ_cleanup" in crypto/objects/obj_dat.c as an example).
1177 *) Add automatic query of EGD sockets in RAND_poll() for the unix variant.
1178 If /dev/[u]random devices are not available or do not return enough
1179 entropy, EGD style sockets (served by EGD or PRNGD) will automatically
1181 The locations /var/run/egd-pool, /dev/egd-pool, /etc/egd-pool, and
1182 /etc/entropy will be queried once each in this sequence, quering stops
1183 when enough entropy was collected without querying more sockets.
1186 *) Change the Unix RAND_poll() variant to be able to poll several
1187 random devices, as specified by DEVRANDOM, until a sufficient amount
1188 of data has been collected. We spend at most 10 ms on each file
1189 (select timeout) and read in non-blocking mode. DEVRANDOM now
1190 defaults to the list "/dev/urandom", "/dev/random", "/dev/srandom"
1191 (previously it was just the string "/dev/urandom"), so on typical
1192 platforms the 10 ms delay will never occur.
1193 Also separate out the Unix variant to its own file, rand_unix.c.
1194 For VMS, there's a currently-empty rand_vms.c.
1197 *) Move OCSP client related routines to ocsp_cl.c. These
1198 provide utility functions which an application needing
1199 to issue a request to an OCSP responder and analyse the
1200 response will typically need: as opposed to those which an
1201 OCSP responder itself would need which will be added later.
1203 OCSP_request_sign() signs an OCSP request with an API similar
1204 to PKCS7_sign(). OCSP_response_status() returns status of OCSP
1205 response. OCSP_response_get1_basic() extracts basic response
1206 from response. OCSP_resp_find_status(): finds and extracts status
1207 information from an OCSP_CERTID structure (which will be created
1208 when the request structure is built). These are built from lower
1209 level functions which work on OCSP_SINGLERESP structures but
1210 wont normally be used unless the application wishes to examine
1211 extensions in the OCSP response for example.
1213 Replace nonce routines with a pair of functions.
1214 OCSP_request_add1_nonce() adds a nonce value and optionally
1215 generates a random value. OCSP_check_nonce() checks the
1216 validity of the nonce in an OCSP response.
1219 *) Change function OCSP_request_add() to OCSP_request_add0_id().
1220 This doesn't copy the supplied OCSP_CERTID and avoids the
1221 need to free up the newly created id. Change return type
1222 to OCSP_ONEREQ to return the internal OCSP_ONEREQ structure.
1223 This can then be used to add extensions to the request.
1224 Deleted OCSP_request_new(), since most of its functionality
1225 is now in OCSP_REQUEST_new() (and the case insensitive name
1226 clash) apart from the ability to set the request name which
1227 will be added elsewhere.
1230 *) Update OCSP API. Remove obsolete extensions argument from
1231 various functions. Extensions are now handled using the new
1232 OCSP extension code. New simple OCSP HTTP function which
1233 can be used to send requests and parse the response.
1236 *) Fix the PKCS#7 (S/MIME) code to work with new ASN1. Two new
1237 ASN1_ITEM structures help with sign and verify. PKCS7_ATTR_SIGN
1238 uses the special reorder version of SET OF to sort the attributes
1239 and reorder them to match the encoded order. This resolves a long
1240 standing problem: a verify on a PKCS7 structure just after signing
1241 it used to fail because the attribute order did not match the
1242 encoded order. PKCS7_ATTR_VERIFY does not reorder the attributes:
1243 it uses the received order. This is necessary to tolerate some broken
1244 software that does not order SET OF. This is handled by encoding
1245 as a SEQUENCE OF but using implicit tagging (with UNIVERSAL class)
1246 to produce the required SET OF.
1249 *) Have mk1mf.pl generate the macros OPENSSL_BUILD_SHLIBCRYPTO and
1250 OPENSSL_BUILD_SHLIBSSL and use them appropriately in the header
1251 files to get correct declarations of the ASN.1 item variables.
1254 *) Rewrite of PKCS#12 code to use new ASN1 functionality. Replace many
1255 PKCS#12 macros with real functions. Fix two unrelated ASN1 bugs:
1256 asn1_check_tlen() would sometimes attempt to use 'ctx' when it was
1257 NULL and ASN1_TYPE was not dereferenced properly in asn1_ex_c2i().
1258 New ASN1 macro: DECLARE_ASN1_ITEM() which just declares the relevant
1259 ASN1_ITEM and no wrapper functions.
1262 *) New functions or ASN1_item_d2i_fp() and ASN1_item_d2i_bio(). These
1263 replace the old function pointer based I/O routines. Change most of
1264 the *_d2i_bio() and *_d2i_fp() functions to use these.
1267 *) Enhance mkdef.pl to be more accepting about spacing in C preprocessor
1268 lines, recognice more "algorithms" that can be deselected, and make
1269 it complain about algorithm deselection that isn't recognised.
1272 *) New ASN1 functions to handle dup, sign, verify, digest, pack and
1273 unpack operations in terms of ASN1_ITEM. Modify existing wrappers
1274 to use new functions. Add NO_ASN1_OLD which can be set to remove
1275 some old style ASN1 functions: this can be used to determine if old
1276 code will still work when these eventually go away.
1279 *) New extension functions for OCSP structures, these follow the
1280 same conventions as certificates and CRLs.
1283 *) New function X509V3_add1_i2d(). This automatically encodes and
1284 adds an extension. Its behaviour can be customised with various
1285 flags to append, replace or delete. Various wrappers added for
1286 certifcates and CRLs.
1289 *) Fix to avoid calling the underlying ASN1 print routine when
1290 an extension cannot be parsed. Correct a typo in the
1291 OCSP_SERVICELOC extension. Tidy up print OCSP format.
1294 *) Make mkdef.pl parse some of the ASN1 macros and add apropriate
1295 entries for variables.
1298 *) Add functionality to apps/openssl.c for detecting locking
1299 problems: As the program is single-threaded, all we have
1300 to do is register a locking callback using an array for
1301 storing which locks are currently held by the program.
1304 *) Use a lock around the call to CRYPTO_get_ex_new_index() in
1305 SSL_get_ex_data_X509_STORE_idx(), which is used in
1306 ssl_verify_cert_chain() and thus can be called at any time
1307 during TLS/SSL handshakes so that thread-safety is essential.
1308 Unfortunately, the ex_data design is not at all suited
1309 for multi-threaded use, so it probably should be abolished.
1312 *) Added Broadcom "ubsec" ENGINE to OpenSSL.
1313 [Broadcom, tweaked and integrated by Geoff Thorpe]
1315 *) Move common extension printing code to new function
1316 X509V3_print_extensions(). Reorganise OCSP print routines and
1317 implement some needed OCSP ASN1 functions. Add OCSP extensions.
1320 *) New function X509_signature_print() to remove duplication in some
1324 *) Add a special meaning when SET OF and SEQUENCE OF flags are both
1325 set (this was treated exactly the same as SET OF previously). This
1326 is used to reorder the STACK representing the structure to match the
1327 encoding. This will be used to get round a problem where a PKCS7
1328 structure which was signed could not be verified because the STACK
1329 order did not reflect the encoded order.
1332 *) Reimplement the OCSP ASN1 module using the new code.
1335 *) Update the X509V3 code to permit the use of an ASN1_ITEM structure
1336 for its ASN1 operations. The old style function pointers still exist
1337 for now but they will eventually go away.
1340 *) Merge in replacement ASN1 code from the ASN1 branch. This almost
1341 completely replaces the old ASN1 functionality with a table driven
1342 encoder and decoder which interprets an ASN1_ITEM structure describing
1343 the ASN1 module. Compatibility with the existing ASN1 API (i2d,d2i) is
1344 largely maintained. Almost all of the old asn1_mac.h macro based ASN1
1345 has also been converted to the new form.
1348 *) Change BN_mod_exp_recp so that negative moduli are tolerated
1349 (the sign is ignored). Similarly, ignore the sign in BN_MONT_CTX_set
1350 so that BN_mod_exp_mont and BN_mod_exp_mont_word work
1351 for negative moduli.
1354 *) Fix BN_uadd and BN_usub: Always return non-negative results instead
1355 of not touching the result's sign bit.
1358 *) BN_div bugfix: If the result is 0, the sign (res->neg) must not be
1362 *) Changed the LHASH code to use prototypes for callbacks, and created
1363 macros to declare and implement thin (optionally static) functions
1364 that provide type-safety and avoid function pointer casting for the
1365 type-specific callbacks.
1368 *) Added Kerberos Cipher Suites to be used with TLS, as written in
1370 [Veers Staats <staatsvr@asc.hpc.mil>,
1371 Jeffrey Altman <jaltman@columbia.edu>, via Richard Levitte]
1373 *) Reformat the FAQ so the different questions and answers can be divided
1374 in sections depending on the subject.
1377 *) Have the zlib compression code load ZLIB.DLL dynamically under
1381 *) New function BN_mod_sqrt for computing square roots modulo a prime
1382 (using the probabilistic Tonelli-Shanks algorithm unless
1383 p == 3 (mod 4) or p == 5 (mod 8), which are cases that can
1384 be handled deterministically).
1385 [Lenka Fibikova <fibikova@exp-math.uni-essen.de>, Bodo Moeller]
1387 *) Make BN_mod_inverse faster by explicitly handling small quotients
1388 in the Euclid loop. (Speed gain about 20% for small moduli [256 or
1389 512 bits], about 30% for larger ones [1024 or 2048 bits].)
1392 *) New function BN_kronecker.
1395 *) Fix BN_gcd so that it works on negative inputs; the result is
1396 positive unless both parameters are zero.
1397 Previously something reasonably close to an infinite loop was
1398 possible because numbers could be growing instead of shrinking
1399 in the implementation of Euclid's algorithm.
1402 *) Fix BN_is_word() and BN_is_one() macros to take into account the
1403 sign of the number in question.
1405 Fix BN_is_word(a,w) to work correctly for w == 0.
1407 The old BN_is_word(a,w) macro is now called BN_abs_is_word(a,w)
1408 because its test if the absolute value of 'a' equals 'w'.
1409 Note that BN_abs_is_word does *not* handle w == 0 reliably;
1410 it exists mostly for use in the implementations of BN_is_zero(),
1411 BN_is_one(), and BN_is_word().
1414 *) New function BN_swap.
1417 *) Use BN_nnmod instead of BN_mod in crypto/bn/bn_exp.c so that
1418 the exponentiation functions are more likely to produce reasonable
1419 results on negative inputs.
1422 *) Change BN_mod_mul so that the result is always non-negative.
1423 Previously, it could be negative if one of the factors was negative;
1424 I don't think anyone really wanted that behaviour.
1427 *) Move BN_mod_... functions into new file crypto/bn/bn_mod.c
1428 (except for exponentiation, which stays in crypto/bn/bn_exp.c,
1429 and BN_mod_mul_reciprocal, which stays in crypto/bn/bn_recp.c)
1430 and add new functions:
1439 BN_mod_lshift1_quick
1443 These functions always generate non-negative results.
1445 BN_nnmod otherwise is like BN_mod (if BN_mod computes a remainder r
1446 such that |m| < r < 0, BN_nnmod will output rem + |m| instead).
1448 BN_mod_XXX_quick(r, a, [b,] m) generates the same result as
1449 BN_mod_XXX(r, a, [b,] m, ctx), but requires that a [and b]
1450 be reduced modulo m.
1451 [Lenka Fibikova <fibikova@exp-math.uni-essen.de>, Bodo Moeller]
1453 *) Remove a few calls to bn_wexpand() in BN_sqr() (the one in there
1454 was actually never needed) and in BN_mul(). The removal in BN_mul()
1455 required a small change in bn_mul_part_recursive() and the addition
1456 of the functions bn_cmp_part_words(), bn_sub_part_words() and
1457 bn_add_part_words(), which do the same thing as bn_cmp_words(),
1458 bn_sub_words() and bn_add_words() except they take arrays with
1462 *) In 'openssl passwd', verify passwords read from the terminal
1463 unless the '-salt' option is used (which usually means that
1464 verification would just waste user's time since the resulting
1465 hash is going to be compared with some given password hash)
1466 or the new '-noverify' option is used.
1468 This is an incompatible change, but it does not affect
1469 non-interactive use of 'openssl passwd' (passwords on the command
1470 line, '-stdin' option, '-in ...' option) and thus should not
1474 *) Remove all references to RSAref, since there's no more need for it.
1477 *) Make DSO load along a path given through an environment variable
1478 (SHLIB_PATH) with shl_load().
1481 *) Constify the ENGINE code as a result of BIGNUM constification.
1482 Also constify the RSA code and most things related to it. In a
1483 few places, most notable in the depth of the ASN.1 code, ugly
1484 casts back to non-const were required (to be solved at a later
1488 *) Make it so the openssl application has all engines loaded by default.
1491 *) Constify the BIGNUM routines a little more.
1494 *) Add the following functions:
1496 ENGINE_load_cswift()
1498 ENGINE_load_atalla()
1500 ENGINE_load_builtin_engines()
1502 That way, an application can itself choose if external engines that
1503 are built-in in OpenSSL shall ever be used or not. The benefit is
1504 that applications won't have to be linked with libdl or other dso
1505 libraries unless it's really needed.
1507 Changed 'openssl engine' to load all engines on demand.
1508 Changed the engine header files to avoid the duplication of some
1509 declarations (they differed!).
1512 *) 'openssl engine' can now list capabilities.
1515 *) Better error reporting in 'openssl engine'.
1518 *) Never call load_dh_param(NULL) in s_server.
1521 *) Add engine application. It can currently list engines by name and
1522 identity, and test if they are actually available.
1525 *) Improve RPM specification file by forcing symbolic linking and making
1526 sure the installed documentation is also owned by root.root.
1527 [Damien Miller <djm@mindrot.org>]
1529 *) Give the OpenSSL applications more possibilities to make use of
1530 keys (public as well as private) handled by engines.
1533 *) Add OCSP code that comes from CertCo.
1536 *) Add VMS support for the Rijndael code.
1539 *) Added untested support for Nuron crypto accelerator.
1542 *) Add support for external cryptographic devices. This code was
1543 previously distributed separately as the "engine" branch.
1544 [Geoff Thorpe, Richard Levitte]
1546 *) Rework the filename-translation in the DSO code. It is now possible to
1547 have far greater control over how a "name" is turned into a filename
1548 depending on the operating environment and any oddities about the
1549 different shared library filenames on each system.
1552 *) Support threads on FreeBSD-elf in Configure.
1555 *) Fix for SHA1 assembly problem with MASM: it produces
1556 warnings about corrupt line number information when assembling
1557 with debugging information. This is caused by the overlapping
1559 [Bernd Matthes <mainbug@celocom.de>, Steve Henson]
1562 NCONF_get_number() has no error checking at all. As a replacement,
1563 NCONF_get_number_e() is defined (_e for "error checking") and is
1564 promoted strongly. The old NCONF_get_number is kept around for
1565 binary backward compatibility.
1566 Make it possible for methods to load from something other than a BIO,
1567 by providing a function pointer that is given a name instead of a BIO.
1568 For example, this could be used to load configuration data from an
1572 *) Fix for non blocking accept BIOs. Added new I/O special reason
1573 BIO_RR_ACCEPT to cover this case. Previously use of accept BIOs
1574 with non blocking I/O was not possible because no retry code was
1575 implemented. Also added new SSL code SSL_WANT_ACCEPT to cover
1579 *) Added the beginnings of Rijndael support.
1582 *) Fix for bug in DirectoryString mask setting. Add support for
1583 X509_NAME_print_ex() in 'req' and X509_print_ex() function
1584 to allow certificate printing to more controllable, additional
1585 'certopt' option to 'x509' to allow new printing options to be
1589 *) Clean old EAY MD5 hack from e_os.h.
1592 Changes between 0.9.6c and 0.9.6d [XX xxx 2002]
1594 *) Fix BASE64 decode (EVP_DecodeUpdate) for data with CR/LF ended lines:
1595 an end-of-file condition would erronously be flagged, when the CRLF
1596 was just at the end of a processed block. The bug was discovered when
1597 processing data through a buffering memory BIO handing the data to a
1598 BASE64-decoding BIO. Bug fund and patch submitted by Pavel Tsekov
1599 <ptsekov@syntrex.com> and Nedelcho Stanev.
1602 *) Implement a countermeasure against a vulnerability recently found
1603 in CBC ciphersuites in SSL 3.0/TLS 1.0: Send an empty fragment
1604 before application data chunks to avoid the use of known IVs
1605 with data potentially chosen by the attacker.
1608 *) Fix length checks in ssl3_get_client_hello().
1611 *) TLS/SSL library bugfix: use s->s3->in_read_app_data differently
1612 to prevent ssl3_read_internal() from incorrectly assuming that
1613 ssl3_read_bytes() found application data while handshake
1614 processing was enabled when in fact s->s3->in_read_app_data was
1615 merely automatically cleared during the initial handshake.
1616 [Bodo Moeller; problem pointed out by Arne Ansper <arne@ats.cyber.ee>]
1618 *) Fix object definitions for Private and Enterprise: they were not
1619 recognized in their shortname (=lowercase) representation. Extend
1620 obj_dat.pl to issue an error when using undefined keywords instead
1621 of silently ignoring the problem (Svenning Sorensen
1622 <sss@sss.dnsalias.net>).
1625 *) Fix DH_generate_parameters() so that it works for 'non-standard'
1626 generators, i.e. generators other than 2 and 5. (Previously, the
1627 code did not properly initialise the 'add' and 'rem' values to
1628 BN_generate_prime().)
1630 In the new general case, we do not insist that 'generator' is
1631 actually a primitive root: This requirement is rather pointless;
1632 a generator of the order-q subgroup is just as good, if not
1636 *) Map new X509 verification errors to alerts. Discovered and submitted by
1637 Tom Wu <tom@arcot.com>.
1640 *) Fix ssl3_pending() (ssl/s3_lib.c) to prevent SSL_pending() from
1641 returning non-zero before the data has been completely received
1642 when using non-blocking I/O.
1643 [Bodo Moeller; problem pointed out by John Hughes]
1645 *) Some of the ciphers missed the strength entry (SSL_LOW etc).
1646 [Ben Laurie, Lutz Jaenicke]
1648 *) Fix bug in SSL_clear(): bad sessions were not removed (found by
1649 Yoram Zahavi <YoramZ@gilian.com>).
1652 *) Add information about CygWin 1.3 and on, and preserve proper
1653 configuration for the versions before that.
1654 [Corinna Vinschen <vinschen@redhat.com> and Richard Levitte]
1656 *) Make removal from session cache (SSL_CTX_remove_session()) more robust:
1657 check whether we deal with a copy of a session and do not delete from
1658 the cache in this case. Problem reported by "Izhar Shoshani Levi"
1659 <izhar@checkpoint.com>.
1662 *) Do not store session data into the internal session cache, if it
1663 is never intended to be looked up (SSL_SESS_CACHE_NO_INTERNAL_LOOKUP
1664 flag is set). Proposed by Aslam <aslam@funk.com>.
1667 *) Have ASN1_BIT_STRING_set_bit() really clear a bit when the requested
1671 *) Add the configuration target linux-s390x.
1672 [Neale Ferguson <Neale.Ferguson@SoftwareAG-USA.com> via Richard Levitte]
1674 *) [In 0.9.6d-engine release:]
1675 Fix a crashbug and a logic bug in hwcrhk_load_pubkey().
1676 [Toomas Kiisk <vix@cyber.ee> via Richard Levitte]
1678 *) The earlier bugfix for the SSL3_ST_SW_HELLO_REQ_C case of
1679 ssl3_accept (ssl/s3_srvr.c) incorrectly used a local flag
1680 variable as an indication that a ClientHello message has been
1681 received. As the flag value will be lost between multiple
1682 invocations of ssl3_accept when using non-blocking I/O, the
1683 function may not be aware that a handshake has actually taken
1684 place, thus preventing a new session from being added to the
1687 To avoid this problem, we now set s->new_session to 2 instead of
1688 using a local variable.
1689 [Lutz Jaenicke, Bodo Moeller]
1691 *) Bugfix: Return -1 from ssl3_get_server_done (ssl3/s3_clnt.c)
1692 if the SSL_R_LENGTH_MISMATCH error is detected.
1693 [Geoff Thorpe, Bodo Moeller]
1695 *) New 'shared_ldflag' column in Configure platform table.
1698 *) Fix EVP_CIPHER_mode macro.
1699 ["Dan S. Camper" <dan@bti.net>]
1701 *) Fix ssl3_read_bytes (ssl/s3_pkt.c): To ignore messages of unknown
1702 type, we must throw them away by setting rr->length to 0.
1703 [D P Chang <dpc@qualys.com>]
1705 Changes between 0.9.6b and 0.9.6c [21 dec 2001]
1707 *) Fix BN_rand_range bug pointed out by Dominikus Scherkl
1708 <Dominikus.Scherkl@biodata.com>. (The previous implementation
1709 worked incorrectly for those cases where range = 10..._2 and
1710 3*range is two bits longer than range.)
1713 *) Only add signing time to PKCS7 structures if it is not already
1717 *) Fix crypto/objects/objects.h: "ld-ce" should be "id-ce",
1718 OBJ_ld_ce should be OBJ_id_ce.
1719 Also some ip-pda OIDs in crypto/objects/objects.txt were
1720 incorrect (cf. RFC 3039).
1721 [Matt Cooper, Frederic Giudicelli, Bodo Moeller]
1723 *) Release CRYPTO_LOCK_DYNLOCK when CRYPTO_destroy_dynlockid()
1724 returns early because it has nothing to do.
1725 [Andy Schneider <andy.schneider@bjss.co.uk>]
1727 *) [In 0.9.6c-engine release:]
1728 Fix mutex callback return values in crypto/engine/hw_ncipher.c.
1729 [Andy Schneider <andy.schneider@bjss.co.uk>]
1731 *) [In 0.9.6c-engine release:]
1732 Add support for Cryptographic Appliance's keyserver technology.
1733 (Use engine 'keyclient')
1734 [Cryptographic Appliances and Geoff Thorpe]
1736 *) Add a configuration entry for OS/390 Unix. The C compiler 'c89'
1737 is called via tools/c89.sh because arguments have to be
1738 rearranged (all '-L' options must appear before the first object
1740 [Richard Shapiro <rshapiro@abinitio.com>]
1742 *) [In 0.9.6c-engine release:]
1743 Add support for Broadcom crypto accelerator cards, backported
1745 [Broadcom, Nalin Dahyabhai <nalin@redhat.com>, Mark Cox]
1747 *) [In 0.9.6c-engine release:]
1748 Add support for SureWare crypto accelerator cards from
1749 Baltimore Technologies. (Use engine 'sureware')
1750 [Baltimore Technologies and Mark Cox]
1752 *) [In 0.9.6c-engine release:]
1753 Add support for crypto accelerator cards from Accelerated
1754 Encryption Processing, www.aep.ie. (Use engine 'aep')
1755 [AEP Inc. and Mark Cox]
1757 *) Add a configuration entry for gcc on UnixWare.
1758 [Gary Benson <gbenson@redhat.com>]
1760 *) Change ssl/s2_clnt.c and ssl/s2_srvr.c so that received handshake
1761 messages are stored in a single piece (fixed-length part and
1762 variable-length part combined) and fix various bugs found on the way.
1765 *) Disable caching in BIO_gethostbyname(), directly use gethostbyname()
1766 instead. BIO_gethostbyname() does not know what timeouts are
1767 appropriate, so entries would stay in cache even when they have
1769 [Bodo Moeller; problem pointed out by Rich Salz <rsalz@zolera.com>
1771 *) Change ssl23_get_client_hello (ssl/s23_srvr.c) behaviour when
1772 faced with a pathologically small ClientHello fragment that does
1773 not contain client_version: Instead of aborting with an error,
1774 simply choose the highest available protocol version (i.e.,
1775 TLS 1.0 unless it is disabled). In practice, ClientHello
1776 messages are never sent like this, but this change gives us
1777 strictly correct behaviour at least for TLS.
1780 *) Fix SSL handshake functions and SSL_clear() such that SSL_clear()
1781 never resets s->method to s->ctx->method when called from within
1782 one of the SSL handshake functions.
1783 [Bodo Moeller; problem pointed out by Niko Baric]
1785 *) In ssl3_get_client_hello (ssl/s3_srvr.c), generate a fatal alert
1786 (sent using the client's version number) if client_version is
1787 smaller than the protocol version in use. Also change
1788 ssl23_get_client_hello (ssl/s23_srvr.c) to select TLS 1.0 if
1789 the client demanded SSL 3.0 but only TLS 1.0 is enabled; then
1790 the client will at least see that alert.
1793 *) Fix ssl3_get_message (ssl/s3_both.c) to handle message fragmentation
1797 *) Avoid infinite loop in ssl3_get_message (ssl/s3_both.c) if a
1798 client receives HelloRequest while in a handshake.
1799 [Bodo Moeller; bug noticed by Andy Schneider <andy.schneider@bjss.co.uk>]
1801 *) Bugfix in ssl3_accept (ssl/s3_srvr.c): Case SSL3_ST_SW_HELLO_REQ_C
1802 should end in 'break', not 'goto end' which circuments various
1803 cleanups done in state SSL_ST_OK. But session related stuff
1804 must be disabled for SSL_ST_OK in the case that we just sent a
1807 Also avoid some overhead by not calling ssl_init_wbio_buffer()
1808 before just sending a HelloRequest.
1809 [Bodo Moeller, Eric Rescorla <ekr@rtfm.com>]
1811 *) Fix ssl/s3_enc.c, ssl/t1_enc.c and ssl/s3_pkt.c so that we don't
1812 reveal whether illegal block cipher padding was found or a MAC
1813 verification error occured. (Neither SSLerr() codes nor alerts
1814 are directly visible to potential attackers, but the information
1815 may leak via logfiles.)
1817 Similar changes are not required for the SSL 2.0 implementation
1818 because the number of padding bytes is sent in clear for SSL 2.0,
1819 and the extra bytes are just ignored. However ssl/s2_pkt.c
1820 failed to verify that the purported number of padding bytes is in
1824 *) Add OpenUNIX-8 support including shared libraries
1825 (Boyd Lynn Gerber <gerberb@zenez.com>).
1828 *) Improve RSA_padding_check_PKCS1_OAEP() check again to avoid
1829 'wristwatch attack' using huge encoding parameters (cf.
1830 James H. Manger's CRYPTO 2001 paper). Note that the
1831 RSA_PKCS1_OAEP_PADDING case of RSA_private_decrypt() does not use
1832 encoding parameters and hence was not vulnerable.
1835 *) BN_sqr() bug fix.
1836 [Ulf Möller, reported by Jim Ellis <jim.ellis@cavium.com>]
1838 *) Rabin-Miller test analyses assume uniformly distributed witnesses,
1839 so use BN_pseudo_rand_range() instead of using BN_pseudo_rand()
1840 followed by modular reduction.
1841 [Bodo Moeller; pointed out by Adam Young <AYoung1@NCSUS.JNJ.COM>]
1843 *) Add BN_pseudo_rand_range() with obvious functionality: BN_rand_range()
1844 equivalent based on BN_pseudo_rand() instead of BN_rand().
1847 *) s3_srvr.c: allow sending of large client certificate lists (> 16 kB).
1848 This function was broken, as the check for a new client hello message
1849 to handle SGC did not allow these large messages.
1850 (Tracked down by "Douglas E. Engert" <deengert@anl.gov>.)
1853 *) Add alert descriptions for TLSv1 to SSL_alert_desc_string[_long]().
1856 *) Fix buggy behaviour of BIO_get_num_renegotiates() and BIO_ctrl()
1857 for BIO_C_GET_WRITE_BUF_SIZE ("Stephen Hinton" <shinton@netopia.com>).
1860 *) Rework the configuration and shared library support for Tru64 Unix.
1861 The configuration part makes use of modern compiler features and
1862 still retains old compiler behavior for those that run older versions
1863 of the OS. The shared library support part includes a variant that
1864 uses the RPATH feature, and is available through the special
1865 configuration target "alpha-cc-rpath", which will never be selected
1867 [Tim Mooney <mooney@dogbert.cc.ndsu.NoDak.edu> via Richard Levitte]
1869 *) In ssl3_get_key_exchange (ssl/s3_clnt.c), call ssl3_get_message()
1870 with the same message size as in ssl3_get_certificate_request().
1871 Otherwise, if no ServerKeyExchange message occurs, CertificateRequest
1872 messages might inadvertently be reject as too long.
1873 [Petr Lampa <lampa@fee.vutbr.cz>]
1875 *) Enhanced support for IA-64 Unix platforms (well, Linux and HP-UX).
1878 *) Modified SSL library such that the verify_callback that has been set
1879 specificly for an SSL object with SSL_set_verify() is actually being
1880 used. Before the change, a verify_callback set with this function was
1881 ignored and the verify_callback() set in the SSL_CTX at the time of
1882 the call was used. New function X509_STORE_CTX_set_verify_cb() introduced
1883 to allow the necessary settings.
1886 *) Initialize static variable in crypto/dsa/dsa_lib.c and crypto/dh/dh_lib.c
1887 explicitly to NULL, as at least on Solaris 8 this seems not always to be
1888 done automatically (in contradiction to the requirements of the C
1889 standard). This made problems when used from OpenSSH.
1892 *) In OpenSSL 0.9.6a and 0.9.6b, crypto/dh/dh_key.c ignored
1893 dh->length and always used
1895 BN_rand_range(priv_key, dh->p).
1897 BN_rand_range() is not necessary for Diffie-Hellman, and this
1898 specific range makes Diffie-Hellman unnecessarily inefficient if
1899 dh->length (recommended exponent length) is much smaller than the
1900 length of dh->p. We could use BN_rand_range() if the order of
1901 the subgroup was stored in the DH structure, but we only have
1906 BN_rand(priv_key, l, ...)
1908 where 'l' is dh->length if this is defined, or BN_num_bits(dh->p)-1
1914 RSA_eay_public_encrypt
1915 RSA_eay_private_decrypt
1916 RSA_eay_private_encrypt (signing)
1917 RSA_eay_public_decrypt (signature verification)
1919 (default implementations for RSA_public_encrypt,
1920 RSA_private_decrypt, RSA_private_encrypt, RSA_public_decrypt),
1921 always reject numbers >= n.
1924 *) In crypto/rand/md_rand.c, use a new short-time lock CRYPTO_LOCK_RAND2
1925 to synchronize access to 'locking_thread'. This is necessary on
1926 systems where access to 'locking_thread' (an 'unsigned long'
1927 variable) is not atomic.
1930 *) In crypto/rand/md_rand.c, set 'locking_thread' to current thread's ID
1931 *before* setting the 'crypto_lock_rand' flag. The previous code had
1932 a race condition if 0 is a valid thread ID.
1933 [Travis Vitek <vitek@roguewave.com>]
1935 *) Add support for shared libraries under Irix.
1936 [Albert Chin-A-Young <china@thewrittenword.com>]
1938 *) Add configuration option to build on Linux on both big-endian and
1940 [Ralf Baechle <ralf@uni-koblenz.de>]
1942 *) Add the possibility to create shared libraries on HP-UX.
1945 Changes between 0.9.6a and 0.9.6b [9 Jul 2001]
1947 *) Change ssleay_rand_bytes (crypto/rand/md_rand.c)
1948 to avoid a SSLeay/OpenSSL PRNG weakness pointed out by
1949 Markku-Juhani O. Saarinen <markku-juhani.saarinen@nokia.com>:
1950 PRNG state recovery was possible based on the output of
1951 one PRNG request appropriately sized to gain knowledge on
1952 'md' followed by enough consecutive 1-byte PRNG requests
1953 to traverse all of 'state'.
1955 1. When updating 'md_local' (the current thread's copy of 'md')
1956 during PRNG output generation, hash all of the previous
1957 'md_local' value, not just the half used for PRNG output.
1959 2. Make the number of bytes from 'state' included into the hash
1960 independent from the number of PRNG bytes requested.
1962 The first measure alone would be sufficient to avoid
1963 Markku-Juhani's attack. (Actually it had never occurred
1964 to me that the half of 'md_local' used for chaining was the
1965 half from which PRNG output bytes were taken -- I had always
1966 assumed that the secret half would be used.) The second
1967 measure makes sure that additional data from 'state' is never
1968 mixed into 'md_local' in small portions; this heuristically
1969 further strengthens the PRNG.
1972 *) Fix crypto/bn/asm/mips3.s.
1975 *) When only the key is given to "enc", the IV is undefined. Print out
1976 an error message in this case.
1979 *) Handle special case when X509_NAME is empty in X509 printing routines.
1982 *) In dsa_do_verify (crypto/dsa/dsa_ossl.c), verify that r and s are
1983 positive and less than q.
1986 *) Don't change *pointer in CRYPTO_add_lock() is add_lock_callback is
1987 used: it isn't thread safe and the add_lock_callback should handle
1989 [Paul Rose <Paul.Rose@bridge.com>]
1991 *) Verify that incoming data obeys the block size in
1992 ssl3_enc (ssl/s3_enc.c) and tls1_enc (ssl/t1_enc.c).
1996 [Ulf Möller, Bodo Möller]
1998 *) The countermeasure against Bleichbacher's attack on PKCS #1 v1.5
1999 RSA encryption was accidentally removed in s3_srvr.c in OpenSSL 0.9.5
2000 when fixing the server behaviour for backwards-compatible 'client
2001 hello' messages. (Note that the attack is impractical against
2002 SSL 3.0 and TLS 1.0 anyway because length and version checking
2003 means that the probability of guessing a valid ciphertext is
2004 around 2^-40; see section 5 in Bleichenbacher's CRYPTO '98
2007 Before 0.9.5, the countermeasure (hide the error by generating a
2008 random 'decryption result') did not work properly because
2009 ERR_clear_error() was missing, meaning that SSL_get_error() would
2010 detect the supposedly ignored error.
2012 Both problems are now fixed.
2015 *) In crypto/bio/bf_buff.c, increase DEFAULT_BUFFER_SIZE to 4096
2016 (previously it was 1024).
2019 *) Fix for compatibility mode trust settings: ignore trust settings
2020 unless some valid trust or reject settings are present.
2023 *) Fix for blowfish EVP: its a variable length cipher.
2026 *) Fix various bugs related to DSA S/MIME verification. Handle missing
2027 parameters in DSA public key structures and return an error in the
2028 DSA routines if parameters are absent.
2031 *) In versions up to 0.9.6, RAND_file_name() resorted to file ".rnd"
2032 in the current directory if neither $RANDFILE nor $HOME was set.
2033 RAND_file_name() in 0.9.6a returned NULL in this case. This has
2034 caused some confusion to Windows users who haven't defined $HOME.
2035 Thus RAND_file_name() is changed again: e_os.h can define a
2036 DEFAULT_HOME, which will be used if $HOME is not set.
2037 For Windows, we use "C:"; on other platforms, we still require
2038 environment variables.
2040 *) Move 'if (!initialized) RAND_poll()' into regions protected by
2041 CRYPTO_LOCK_RAND. This is not strictly necessary, but avoids
2042 having multiple threads call RAND_poll() concurrently.
2045 *) In crypto/rand/md_rand.c, replace 'add_do_not_lock' flag by a
2046 combination of a flag and a thread ID variable.
2047 Otherwise while one thread is in ssleay_rand_bytes (which sets the
2048 flag), *other* threads can enter ssleay_add_bytes without obeying
2049 the CRYPTO_LOCK_RAND lock (and may even illegally release the lock
2050 that they do not hold after the first thread unsets add_do_not_lock).
2053 *) Change bctest again: '-x' expressions are not available in all
2057 Changes between 0.9.6 and 0.9.6a [5 Apr 2001]
2059 *) Fix a couple of memory leaks in PKCS7_dataDecode()
2060 [Steve Henson, reported by Heyun Zheng <hzheng@atdsprint.com>]
2062 *) Change Configure and Makefiles to provide EXE_EXT, which will contain
2063 the default extension for executables, if any. Also, make the perl
2064 scripts that use symlink() to test if it really exists and use "cp"
2065 if it doesn't. All this made OpenSSL compilable and installable in
2069 *) Fix for asn1_GetSequence() for indefinite length constructed data.
2070 If SEQUENCE is length is indefinite just set c->slen to the total
2071 amount of data available.
2072 [Steve Henson, reported by shige@FreeBSD.org]
2073 [This change does not apply to 0.9.7.]
2075 *) Change bctest to avoid here-documents inside command substitution
2076 (workaround for FreeBSD /bin/sh bug).
2077 For compatibility with Ultrix, avoid shell functions (introduced
2078 in the bctest version that searches along $PATH).
2081 *) Rename 'des_encrypt' to 'des_encrypt1'. This avoids the clashes
2082 with des_encrypt() defined on some operating systems, like Solaris
2086 *) Check the result of RSA-CRT (see D. Boneh, R. DeMillo, R. Lipton:
2087 On the Importance of Eliminating Errors in Cryptographic
2088 Computations, J. Cryptology 14 (2001) 2, 101-119,
2089 http://theory.stanford.edu/~dabo/papers/faults.ps.gz).
2092 *) MIPS assembler BIGNUM division bug fix.
2095 *) Disabled incorrect Alpha assembler code.
2098 *) Fix PKCS#7 decode routines so they correctly update the length
2099 after reading an EOC for the EXPLICIT tag.
2101 [This change does not apply to 0.9.7.]
2103 *) Fix bug in PKCS#12 key generation routines. This was triggered
2104 if a 3DES key was generated with a 0 initial byte. Include
2105 PKCS12_BROKEN_KEYGEN compilation option to retain the old
2106 (but broken) behaviour.
2109 *) Enhance bctest to search for a working bc along $PATH and print
2111 [Tim Rice <tim@multitalents.net> via Richard Levitte]
2113 *) Fix memory leaks in err.c: free err_data string if necessary;
2114 don't write to the wrong index in ERR_set_error_data.
2117 *) Implement ssl23_peek (analogous to ssl23_read), which previously
2121 *) Replace rdtsc with _emit statements for VC++ version 5.
2122 [Jeremy Cooper <jeremy@baymoo.org>]
2124 *) Make it possible to reuse SSLv2 sessions.
2127 *) In copy_email() check for >= 0 as a return value for
2128 X509_NAME_get_index_by_NID() since 0 is a valid index.
2129 [Steve Henson reported by Massimiliano Pala <madwolf@opensca.org>]
2131 *) Avoid coredump with unsupported or invalid public keys by checking if
2132 X509_get_pubkey() fails in PKCS7_verify(). Fix memory leak when
2133 PKCS7_verify() fails with non detached data.
2136 *) Don't use getenv in library functions when run as setuid/setgid.
2137 New function OPENSSL_issetugid().
2140 *) Avoid false positives in memory leak detection code (crypto/mem_dbg.c)
2141 due to incorrect handling of multi-threading:
2143 1. Fix timing glitch in the MemCheck_off() portion of CRYPTO_mem_ctrl().
2145 2. Fix logical glitch in is_MemCheck_on() aka CRYPTO_is_mem_check_on().
2147 3. Count how many times MemCheck_off() has been called so that
2148 nested use can be treated correctly. This also avoids
2149 inband-signalling in the previous code (which relied on the
2150 assumption that thread ID 0 is impossible).
2153 *) Add "-rand" option also to s_client and s_server.
2156 *) Fix CPU detection on Irix 6.x.
2157 [Kurt Hockenbury <khockenb@stevens-tech.edu> and
2158 "Bruce W. Forsberg" <bruce.forsberg@baesystems.com>]
2160 *) Fix X509_NAME bug which produced incorrect encoding if X509_NAME
2163 [This change does not apply to 0.9.7.]
2165 *) Use the cached encoding of an X509_NAME structure rather than
2166 copying it. This is apparently the reason for the libsafe "errors"
2167 but the code is actually correct.
2170 *) Add new function BN_rand_range(), and fix DSA_sign_setup() to prevent
2171 Bleichenbacher's DSA attack.
2172 Extend BN_[pseudo_]rand: As before, top=1 forces the highest two bits
2173 to be set and top=0 forces the highest bit to be set; top=-1 is new
2174 and leaves the highest bit random.
2175 [Ulf Moeller, Bodo Moeller]
2177 *) In the NCONF_...-based implementations for CONF_... queries
2178 (crypto/conf/conf_lib.c), if the input LHASH is NULL, avoid using
2179 a temporary CONF structure with the data component set to NULL
2180 (which gives segmentation faults in lh_retrieve).
2181 Instead, use NULL for the CONF pointer in CONF_get_string and
2182 CONF_get_number (which may use environment variables) and directly
2183 return NULL from CONF_get_section.
2186 *) Fix potential buffer overrun for EBCDIC.
2189 *) Tolerate nonRepudiation as being valid for S/MIME signing and certSign
2190 keyUsage if basicConstraints absent for a CA.
2193 *) Make SMIME_write_PKCS7() write mail header values with a format that
2194 is more generally accepted (no spaces before the semicolon), since
2195 some programs can't parse those values properly otherwise. Also make
2196 sure BIO's that break lines after each write do not create invalid
2200 *) Make the CRL encoding routines work with empty SEQUENCE OF. The
2201 macros previously used would not encode an empty SEQUENCE OF
2202 and break the signature.
2204 [This change does not apply to 0.9.7.]
2206 *) Zero the premaster secret after deriving the master secret in
2210 *) Add some EVP_add_digest_alias registrations (as found in
2211 OpenSSL_add_all_digests()) to SSL_library_init()
2212 aka OpenSSL_add_ssl_algorithms(). This provides improved
2213 compatibility with peers using X.509 certificates
2214 with unconventional AlgorithmIdentifier OIDs.
2217 *) Fix for Irix with NO_ASM.
2218 ["Bruce W. Forsberg" <bruce.forsberg@baesystems.com>]
2220 *) ./config script fixes.
2221 [Ulf Moeller, Richard Levitte]
2223 *) Fix 'openssl passwd -1'.
2226 *) Change PKCS12_key_gen_asc() so it can cope with non null
2227 terminated strings whose length is passed in the passlen
2228 parameter, for example from PEM callbacks. This was done
2229 by adding an extra length parameter to asc2uni().
2230 [Steve Henson, reported by <oddissey@samsung.co.kr>]
2232 *) Fix C code generated by 'openssl dsaparam -C': If a BN_bin2bn
2233 call failed, free the DSA structure.
2236 *) Fix to uni2asc() to cope with zero length Unicode strings.
2237 These are present in some PKCS#12 files.
2240 *) Increase s2->wbuf allocation by one byte in ssl2_new (ssl/s2_lib.c).
2241 Otherwise do_ssl_write (ssl/s2_pkt.c) will write beyond buffer limits
2242 when writing a 32767 byte record.
2243 [Bodo Moeller; problem reported by Eric Day <eday@concentric.net>]
2245 *) In RSA_eay_public_{en,ed}crypt and RSA_eay_mod_exp (rsa_eay.c),
2246 obtain lock CRYPTO_LOCK_RSA before setting rsa->_method_mod_{n,p,q}.
2248 (RSA objects have a reference count access to which is protected
2249 by CRYPTO_LOCK_RSA [see rsa_lib.c, s3_srvr.c, ssl_cert.c, ssl_rsa.c],
2250 so they are meant to be shared between threads.)
2251 [Bodo Moeller, Geoff Thorpe; original patch submitted by
2252 "Reddie, Steven" <Steven.Reddie@ca.com>]
2254 *) Fix a deadlock in CRYPTO_mem_leaks().
2257 *) Use better test patterns in bntest.
2260 *) rand_win.c fix for Borland C.
2263 *) BN_rshift bugfix for n == 0.
2266 *) Add a 'bctest' script that checks for some known 'bc' bugs
2267 so that 'make test' does not abort just because 'bc' is broken.
2270 *) Store verify_result within SSL_SESSION also for client side to
2271 avoid potential security hole. (Re-used sessions on the client side
2272 always resulted in verify_result==X509_V_OK, not using the original
2273 result of the server certificate verification.)
2276 *) Fix ssl3_pending: If the record in s->s3->rrec is not of type
2277 SSL3_RT_APPLICATION_DATA, return 0.
2278 Similarly, change ssl2_pending to return 0 if SSL_in_init(s) is true.
2282 Both ssl2_peek and ssl3_peek, which were totally broken in earlier
2283 releases, have been re-implemented by renaming the previous
2284 implementations of ssl2_read and ssl3_read to ssl2_read_internal
2285 and ssl3_read_internal, respectively, and adding 'peek' parameters
2286 to them. The new ssl[23]_{read,peek} functions are calls to
2287 ssl[23]_read_internal with the 'peek' flag set appropriately.
2288 A 'peek' parameter has also been added to ssl3_read_bytes, which
2289 does the actual work for ssl3_read_internal.
2292 *) Initialise "ex_data" member of RSA/DSA/DH structures prior to calling
2293 the method-specific "init()" handler. Also clean up ex_data after
2294 calling the method-specific "finish()" handler. Previously, this was
2295 happening the other way round.
2298 *) Increase BN_CTX_NUM (the number of BIGNUMs in a BN_CTX) to 16.
2299 The previous value, 12, was not always sufficient for BN_mod_exp().
2302 *) Make sure that shared libraries get the internal name engine with
2303 the full version number and not just 0. This should mark the
2304 shared libraries as not backward compatible. Of course, this should
2305 be changed again when we can guarantee backward binary compatibility.
2308 *) Fix typo in get_cert_by_subject() in by_dir.c
2309 [Jean-Marc Desperrier <jean-marc.desperrier@certplus.com>]
2311 *) Rework the system to generate shared libraries:
2313 - Make note of the expected extension for the shared libraries and
2314 if there is a need for symbolic links from for example libcrypto.so.0
2315 to libcrypto.so.0.9.7. There is extended info in Configure for
2318 - Make as few rebuilds of the shared libraries as possible.
2320 - Still avoid linking the OpenSSL programs with the shared libraries.
2322 - When installing, install the shared libraries separately from the
2326 *) Fix SSL_CTX_set_read_ahead macro to actually use its argument.
2328 Copy SSL_CTX's read_ahead flag to SSL object directly in SSL_new
2329 and not in SSL_clear because the latter is also used by the
2330 accept/connect functions; previously, the settings made by
2331 SSL_set_read_ahead would be lost during the handshake.
2332 [Bodo Moeller; problems reported by Anders Gertz <gertz@epact.se>]
2334 *) Correct util/mkdef.pl to be selective about disabled algorithms.
2335 Previously, it would create entries for disableed algorithms no
2339 *) Added several new manual pages for SSL_* function.
2342 Changes between 0.9.5a and 0.9.6 [24 Sep 2000]
2344 *) In ssl23_get_client_hello, generate an error message when faced
2345 with an initial SSL 3.0/TLS record that is too small to contain the
2346 first two bytes of the ClientHello message, i.e. client_version.
2347 (Note that this is a pathologic case that probably has never happened
2348 in real life.) The previous approach was to use the version number
2349 from the record header as a substitute; but our protocol choice
2350 should not depend on that one because it is not authenticated
2351 by the Finished messages.
2354 *) More robust randomness gathering functions for Windows.
2355 [Jeffrey Altman <jaltman@columbia.edu>]
2357 *) For compatibility reasons if the flag X509_V_FLAG_ISSUER_CHECK is
2358 not set then we don't setup the error code for issuer check errors
2359 to avoid possibly overwriting other errors which the callback does
2360 handle. If an application does set the flag then we assume it knows
2361 what it is doing and can handle the new informational codes
2365 *) Fix for a nasty bug in ASN1_TYPE handling. ASN1_TYPE is used for
2366 a general "ANY" type, as such it should be able to decode anything
2367 including tagged types. However it didn't check the class so it would
2368 wrongly interpret tagged types in the same way as their universal
2369 counterpart and unknown types were just rejected. Changed so that the
2370 tagged and unknown types are handled in the same way as a SEQUENCE:
2371 that is the encoding is stored intact. There is also a new type
2372 "V_ASN1_OTHER" which is used when the class is not universal, in this
2373 case we have no idea what the actual type is so we just lump them all
2377 *) On VMS, stdout may very well lead to a file that is written to
2378 in a record-oriented fashion. That means that every write() will
2379 write a separate record, which will be read separately by the
2380 programs trying to read from it. This can be very confusing.
2382 The solution is to put a BIO filter in the way that will buffer
2383 text until a linefeed is reached, and then write everything a
2384 line at a time, so every record written will be an actual line,
2385 not chunks of lines and not (usually doesn't happen, but I've
2386 seen it once) several lines in one record. BIO_f_linebuffer() is
2389 Currently, it's a VMS-only method, because that's where it has
2390 been tested well enough.
2393 *) Remove 'optimized' squaring variant in BN_mod_mul_montgomery,
2394 it can return incorrect results.
2395 (Note: The buggy variant was not enabled in OpenSSL 0.9.5a,
2396 but it was in 0.9.6-beta[12].)
2399 *) Disable the check for content being present when verifying detached
2400 signatures in pk7_smime.c. Some versions of Netscape (wrongly)
2401 include zero length content when signing messages.
2404 *) New BIO_shutdown_wr macro, which invokes the BIO_C_SHUTDOWN_WR
2405 BIO_ctrl (for BIO pairs).
2408 *) Add DSO method for VMS.
2411 *) Bug fix: Montgomery multiplication could produce results with the
2415 *) Add RPM specification openssl.spec and modify it to build three
2416 packages. The default package contains applications, application
2417 documentation and run-time libraries. The devel package contains
2418 include files, static libraries and function documentation. The
2419 doc package contains the contents of the doc directory. The original
2420 openssl.spec was provided by Damien Miller <djm@mindrot.org>.
2423 *) Add a large number of documentation files for many SSL routines.
2424 [Lutz Jaenicke <Lutz.Jaenicke@aet.TU-Cottbus.DE>]
2426 *) Add a configuration entry for Sony News 4.
2427 [NAKAJI Hiroyuki <nakaji@tutrp.tut.ac.jp>]
2429 *) Don't set the two most significant bits to one when generating a
2430 random number < q in the DSA library.
2433 *) New SSL API mode 'SSL_MODE_AUTO_RETRY'. This disables the default
2434 behaviour that SSL_read may result in SSL_ERROR_WANT_READ (even if
2435 the underlying transport is blocking) if a handshake took place.
2436 (The default behaviour is needed by applications such as s_client
2437 and s_server that use select() to determine when to use SSL_read;
2438 but for applications that know in advance when to expect data, it
2439 just makes things more complicated.)
2442 *) Add RAND_egd_bytes(), which gives control over the number of bytes read
2446 *) Add a few more EBCDIC conditionals that make `req' and `x509'
2447 work better on such systems.
2448 [Martin Kraemer <Martin.Kraemer@MchP.Siemens.De>]
2450 *) Add two demo programs for PKCS12_parse() and PKCS12_create().
2451 Update PKCS12_parse() so it copies the friendlyName and the
2452 keyid to the certificates aux info.
2455 *) Fix bug in PKCS7_verify() which caused an infinite loop
2456 if there was more than one signature.
2457 [Sven Uszpelkat <su@celocom.de>]
2459 *) Major change in util/mkdef.pl to include extra information
2460 about each symbol, as well as presentig variables as well
2461 as functions. This change means that there's n more need
2462 to rebuild the .num files when some algorithms are excluded.
2465 *) Allow the verify time to be set by an application,
2466 rather than always using the current time.
2469 *) Phase 2 verify code reorganisation. The certificate
2470 verify code now looks up an issuer certificate by a
2471 number of criteria: subject name, authority key id
2472 and key usage. It also verifies self signed certificates
2473 by the same criteria. The main comparison function is
2474 X509_check_issued() which performs these checks.
2476 Lot of changes were necessary in order to support this
2477 without completely rewriting the lookup code.
2479 Authority and subject key identifier are now cached.
2481 The LHASH 'certs' is X509_STORE has now been replaced
2482 by a STACK_OF(X509_OBJECT). This is mainly because an
2483 LHASH can't store or retrieve multiple objects with
2484 the same hash value.
2486 As a result various functions (which were all internal
2487 use only) have changed to handle the new X509_STORE
2488 structure. This will break anything that messed round
2489 with X509_STORE internally.
2491 The functions X509_STORE_add_cert() now checks for an
2492 exact match, rather than just subject name.
2494 The X509_STORE API doesn't directly support the retrieval
2495 of multiple certificates matching a given criteria, however
2496 this can be worked round by performing a lookup first
2497 (which will fill the cache with candidate certificates)
2498 and then examining the cache for matches. This is probably
2499 the best we can do without throwing out X509_LOOKUP
2500 entirely (maybe later...).
2502 The X509_VERIFY_CTX structure has been enhanced considerably.
2504 All certificate lookup operations now go via a get_issuer()
2505 callback. Although this currently uses an X509_STORE it
2506 can be replaced by custom lookups. This is a simple way
2507 to bypass the X509_STORE hackery necessary to make this
2508 work and makes it possible to use more efficient techniques
2509 in future. A very simple version which uses a simple
2510 STACK for its trusted certificate store is also provided
2511 using X509_STORE_CTX_trusted_stack().
2513 The verify_cb() and verify() callbacks now have equivalents
2514 in the X509_STORE_CTX structure.
2516 X509_STORE_CTX also has a 'flags' field which can be used
2517 to customise the verify behaviour.
2520 *) Add new PKCS#7 signing option PKCS7_NOSMIMECAP which
2521 excludes S/MIME capabilities.
2524 *) When a certificate request is read in keep a copy of the
2525 original encoding of the signed data and use it when outputing
2526 again. Signatures then use the original encoding rather than
2527 a decoded, encoded version which may cause problems if the
2528 request is improperly encoded.
2531 *) For consistency with other BIO_puts implementations, call
2532 buffer_write(b, ...) directly in buffer_puts instead of calling
2535 In BIO_puts, increment b->num_write as in BIO_write.
2536 [Peter.Sylvester@EdelWeb.fr]
2538 *) Fix BN_mul_word for the case where the word is 0. (We have to use
2539 BN_zero, we may not return a BIGNUM with an array consisting of
2543 *) Avoid calling abort() from within the library when problems are
2544 detected, except if preprocessor symbols have been defined
2545 (such as REF_CHECK, BN_DEBUG etc.).
2548 *) New openssl application 'rsautl'. This utility can be
2549 used for low level RSA operations. DER public key
2550 BIO/fp routines also added.
2553 *) New Configure entry and patches for compiling on QNX 4.
2554 [Andreas Schneider <andreas@ds3.etech.fh-hamburg.de>]
2556 *) A demo state-machine implementation was sponsored by
2557 Nuron (http://www.nuron.com/) and is now available in
2558 demos/state_machine.
2561 *) New options added to the 'dgst' utility for signature
2562 generation and verification.
2565 *) Unrecognized PKCS#7 content types are now handled via a
2566 catch all ASN1_TYPE structure. This allows unsupported
2567 types to be stored as a "blob" and an application can
2568 encode and decode it manually.
2571 *) Fix various signed/unsigned issues to make a_strex.c
2573 [Oscar Jacobsson <oscar.jacobsson@celocom.com>]
2575 *) ASN1 fixes. i2d_ASN1_OBJECT was not returning the correct
2576 length if passed a buffer. ASN1_INTEGER_to_BN failed
2577 if passed a NULL BN and its argument was negative.
2578 [Steve Henson, pointed out by Sven Heiberg <sven@tartu.cyber.ee>]
2580 *) Modification to PKCS#7 encoding routines to output definite
2581 length encoding. Since currently the whole structures are in
2582 memory there's not real point in using indefinite length
2583 constructed encoding. However if OpenSSL is compiled with
2584 the flag PKCS7_INDEFINITE_ENCODING the old form is used.
2587 *) Added BIO_vprintf() and BIO_vsnprintf().
2590 *) Added more prefixes to parse for in the the strings written
2591 through a logging bio, to cover all the levels that are available
2592 through syslog. The prefixes are now:
2594 PANIC, EMERG, EMR => LOG_EMERG
2595 ALERT, ALR => LOG_ALERT
2596 CRIT, CRI => LOG_CRIT
2597 ERROR, ERR => LOG_ERR
2598 WARNING, WARN, WAR => LOG_WARNING
2599 NOTICE, NOTE, NOT => LOG_NOTICE
2600 INFO, INF => LOG_INFO
2601 DEBUG, DBG => LOG_DEBUG
2603 and as before, if none of those prefixes are present at the
2604 beginning of the string, LOG_ERR is chosen.
2606 On Win32, the LOG_* levels are mapped according to this:
2608 LOG_EMERG, LOG_ALERT, LOG_CRIT, LOG_ERR => EVENTLOG_ERROR_TYPE
2609 LOG_WARNING => EVENTLOG_WARNING_TYPE
2610 LOG_NOTICE, LOG_INFO, LOG_DEBUG => EVENTLOG_INFORMATION_TYPE
2614 *) Made it possible to reconfigure with just the configuration
2615 argument "reconf" or "reconfigure". The command line arguments
2616 are stored in Makefile.ssl in the variable CONFIGURE_ARGS,
2617 and are retrieved from there when reconfiguring.
2621 [Assar Westerlund <assar@sics.se>, Richard Levitte]
2623 *) Add the arguments -CAfile and -CApath to the pkcs12 utility.
2626 *) The obj_dat.pl script was messing up the sorting of object
2627 names. The reason was that it compared the quoted version
2628 of strings as a result "OCSP" > "OCSP Signing" because
2629 " > SPACE. Changed script to store unquoted versions of
2630 names and add quotes on output. It was also omitting some
2631 names from the lookup table if they were given a default
2632 value (that is if SN is missing it is given the same
2633 value as LN and vice versa), these are now added on the
2634 grounds that if an object has a name we should be able to
2635 look it up. Finally added warning output when duplicate
2636 short or long names are found.
2639 *) Changes needed for Tandem NSK.
2640 [Scott Uroff <scott@xypro.com>]
2642 *) Fix SSL 2.0 rollback checking: Due to an off-by-one error in
2643 RSA_padding_check_SSLv23(), special padding was never detected
2644 and thus the SSL 3.0/TLS 1.0 countermeasure against protocol
2645 version rollback attacks was not effective.
2647 In s23_clnt.c, don't use special rollback-attack detection padding
2648 (RSA_SSLV23_PADDING) if SSL 2.0 is the only protocol enabled in the
2649 client; similarly, in s23_srvr.c, don't do the rollback check if
2650 SSL 2.0 is the only protocol enabled in the server.
2653 *) Make it possible to get hexdumps of unprintable data with 'openssl
2654 asn1parse'. By implication, the functions ASN1_parse_dump() and
2655 BIO_dump_indent() are added.
2658 *) New functions ASN1_STRING_print_ex() and X509_NAME_print_ex()
2659 these print out strings and name structures based on various
2660 flags including RFC2253 support and proper handling of
2661 multibyte characters. Added options to the 'x509' utility
2662 to allow the various flags to be set.
2665 *) Various fixes to use ASN1_TIME instead of ASN1_UTCTIME.
2666 Also change the functions X509_cmp_current_time() and
2667 X509_gmtime_adj() work with an ASN1_TIME structure,
2668 this will enable certificates using GeneralizedTime in validity
2669 dates to be checked.
2672 *) Make the NEG_PUBKEY_BUG code (which tolerates invalid
2673 negative public key encodings) on by default,
2674 NO_NEG_PUBKEY_BUG can be set to disable it.
2677 *) New function c2i_ASN1_OBJECT() which acts on ASN1_OBJECT
2678 content octets. An i2c_ASN1_OBJECT is unnecessary because
2679 the encoding can be trivially obtained from the structure.
2682 *) crypto/err.c locking bugfix: Use write locks (CRYPTO_w_[un]lock),
2683 not read locks (CRYPTO_r_[un]lock).
2686 *) A first attempt at creating official support for shared
2687 libraries through configuration. I've kept it so the
2688 default is static libraries only, and the OpenSSL programs
2689 are always statically linked for now, but there are
2690 preparations for dynamic linking in place.
2691 This has been tested on Linux and Tru64.
2694 *) Randomness polling function for Win9x, as described in:
2695 Peter Gutmann, Software Generation of Practically Strong
2699 *) Fix so PRNG is seeded in req if using an already existing
2703 *) New options to smime application. -inform and -outform
2704 allow alternative formats for the S/MIME message including
2705 PEM and DER. The -content option allows the content to be
2706 specified separately. This should allow things like Netscape
2707 form signing output easier to verify.
2710 *) Fix the ASN1 encoding of tags using the 'long form'.
2713 *) New ASN1 functions, i2c_* and c2i_* for INTEGER and BIT
2714 STRING types. These convert content octets to and from the
2715 underlying type. The actual tag and length octets are
2716 already assumed to have been read in and checked. These
2717 are needed because all other string types have virtually
2718 identical handling apart from the tag. By having versions
2719 of the ASN1 functions that just operate on content octets
2720 IMPLICIT tagging can be handled properly. It also allows
2721 the ASN1_ENUMERATED code to be cut down because ASN1_ENUMERATED
2722 and ASN1_INTEGER are identical apart from the tag.
2725 *) Change the handling of OID objects as follows:
2727 - New object identifiers are inserted in objects.txt, following
2728 the syntax given in objects.README.
2729 - objects.pl is used to process obj_mac.num and create a new
2731 - obj_dat.pl is used to create a new obj_dat.h, using the data in
2734 This is currently kind of a hack, and the perl code in objects.pl
2735 isn't very elegant, but it works as I intended. The simplest way
2736 to check that it worked correctly is to look in obj_dat.h and
2737 check the array nid_objs and make sure the objects haven't moved
2738 around (this is important!). Additions are OK, as well as
2739 consistent name changes.
2742 *) Add BSD-style MD5-based passwords to 'openssl passwd' (option '-1').
2745 *) Addition of the command line parameter '-rand file' to 'openssl req'.
2746 The given file adds to whatever has already been seeded into the
2747 random pool through the RANDFILE configuration file option or
2748 environment variable, or the default random state file.
2751 *) mkstack.pl now sorts each macro group into lexical order.
2752 Previously the output order depended on the order the files
2753 appeared in the directory, resulting in needless rewriting
2757 *) Patches to make OpenSSL compile under Win32 again. Mostly
2758 work arounds for the VC++ problem that it treats func() as
2759 func(void). Also stripped out the parts of mkdef.pl that
2760 added extra typesafe functions: these no longer exist.
2763 *) Reorganisation of the stack code. The macros are now all
2764 collected in safestack.h . Each macro is defined in terms of
2765 a "stack macro" of the form SKM_<name>(type, a, b). The
2766 DEBUG_SAFESTACK is now handled in terms of function casts,
2767 this has the advantage of retaining type safety without the
2768 use of additional functions. If DEBUG_SAFESTACK is not defined
2769 then the non typesafe macros are used instead. Also modified the
2770 mkstack.pl script to handle the new form. Needs testing to see
2771 if which (if any) compilers it chokes and maybe make DEBUG_SAFESTACK
2772 the default if no major problems. Similar behaviour for ASN1_SET_OF
2773 and PKCS12_STACK_OF.
2776 *) When some versions of IIS use the 'NET' form of private key the
2777 key derivation algorithm is different. Normally MD5(password) is
2778 used as a 128 bit RC4 key. In the modified case
2779 MD5(MD5(password) + "SGCKEYSALT") is used insted. Added some
2780 new functions i2d_RSA_NET(), d2i_RSA_NET() etc which are the same
2781 as the old Netscape_RSA functions except they have an additional
2782 'sgckey' parameter which uses the modified algorithm. Also added
2783 an -sgckey command line option to the rsa utility. Thanks to
2784 Adrian Peck <bertie@ncipher.com> for posting details of the modified
2785 algorithm to openssl-dev.
2788 *) The evp_local.h macros were using 'c.##kname' which resulted in
2789 invalid expansion on some systems (SCO 5.0.5 for example).
2790 Corrected to 'c.kname'.
2791 [Phillip Porch <root@theporch.com>]
2793 *) New X509_get1_email() and X509_REQ_get1_email() functions that return
2794 a STACK of email addresses from a certificate or request, these look
2795 in the subject name and the subject alternative name extensions and
2796 omit any duplicate addresses.
2799 *) Re-implement BN_mod_exp2_mont using independent (and larger) windows.
2800 This makes DSA verification about 2 % faster.
2803 *) Increase maximum window size in BN_mod_exp_... to 6 bits instead of 5
2804 (meaning that now 2^5 values will be precomputed, which is only 4 KB
2805 plus overhead for 1024 bit moduli).
2806 This makes exponentiations about 0.5 % faster for 1024 bit
2807 exponents (as measured by "openssl speed rsa2048").
2810 *) Rename memory handling macros to avoid conflicts with other
2812 Malloc => OPENSSL_malloc
2813 Malloc_locked => OPENSSL_malloc_locked
2814 Realloc => OPENSSL_realloc
2815 Free => OPENSSL_free
2818 *) New function BN_mod_exp_mont_word for small bases (roughly 15%
2819 faster than BN_mod_exp_mont, i.e. 7% for a full DH exchange).
2822 *) CygWin32 support.
2823 [John Jarvie <jjarvie@newsguy.com>]
2825 *) The type-safe stack code has been rejigged. It is now only compiled
2826 in when OpenSSL is configured with the DEBUG_SAFESTACK option and
2827 by default all type-specific stack functions are "#define"d back to
2828 standard stack functions. This results in more streamlined output
2829 but retains the type-safety checking possibilities of the original
2833 *) The STACK code has been cleaned up, and certain type declarations
2834 that didn't make a lot of sense have been brought in line. This has
2835 also involved a cleanup of sorts in safestack.h to more correctly
2836 map type-safe stack functions onto their plain stack counterparts.
2837 This work has also resulted in a variety of "const"ifications of
2838 lots of the code, especially "_cmp" operations which should normally
2839 be prototyped with "const" parameters anyway.
2842 *) When generating bytes for the first time in md_rand.c, 'stir the pool'
2843 by seeding with STATE_SIZE dummy bytes (with zero entropy count).
2844 (The PRNG state consists of two parts, the large pool 'state' and 'md',
2845 where all of 'md' is used each time the PRNG is used, but 'state'
2846 is used only indexed by a cyclic counter. As entropy may not be
2847 well distributed from the beginning, 'md' is important as a
2848 chaining variable. However, the output function chains only half
2849 of 'md', i.e. 80 bits. ssleay_rand_add, on the other hand, chains
2850 all of 'md', and seeding with STATE_SIZE dummy bytes will result
2851 in all of 'state' being rewritten, with the new values depending
2852 on virtually all of 'md'. This overcomes the 80 bit limitation.)
2855 *) In ssl/s2_clnt.c and ssl/s3_clnt.c, call ERR_clear_error() when
2856 the handshake is continued after ssl_verify_cert_chain();
2857 otherwise, if SSL_VERIFY_NONE is set, remaining error codes
2858 can lead to 'unexplainable' connection aborts later.
2859 [Bodo Moeller; problem tracked down by Lutz Jaenicke]
2861 *) Major EVP API cipher revision.
2862 Add hooks for extra EVP features. This allows various cipher
2863 parameters to be set in the EVP interface. Support added for variable
2864 key length ciphers via the EVP_CIPHER_CTX_set_key_length() function and
2865 setting of RC2 and RC5 parameters.
2867 Modify EVP_OpenInit() and EVP_SealInit() to cope with variable key length
2870 Remove lots of duplicated code from the EVP library. For example *every*
2871 cipher init() function handles the 'iv' in the same way according to the
2872 cipher mode. They also all do nothing if the 'key' parameter is NULL and
2873 for CFB and OFB modes they zero ctx->num.
2875 New functionality allows removal of S/MIME code RC2 hack.
2877 Most of the routines have the same form and so can be declared in terms
2880 By shifting this to the top level EVP_CipherInit() it can be removed from
2881 all individual ciphers. If the cipher wants to handle IVs or keys
2882 differently it can set the EVP_CIPH_CUSTOM_IV or EVP_CIPH_ALWAYS_CALL_INIT
2885 Change lots of functions like EVP_EncryptUpdate() to now return a
2886 value: although software versions of the algorithms cannot fail
2887 any installed hardware versions can.
2890 *) Implement SSL_OP_TLS_ROLLBACK_BUG: In ssl3_get_client_key_exchange, if
2891 this option is set, tolerate broken clients that send the negotiated
2892 protocol version number instead of the requested protocol version
2896 *) Call dh_tmp_cb (set by ..._TMP_DH_CB) with correct 'is_export' flag;
2897 i.e. non-zero for export ciphersuites, zero otherwise.
2898 Previous versions had this flag inverted, inconsistent with
2899 rsa_tmp_cb (..._TMP_RSA_CB).
2900 [Bodo Moeller; problem reported by Amit Chopra]
2902 *) Add missing DSA library text string. Work around for some IIS
2903 key files with invalid SEQUENCE encoding.
2906 *) Add a document (doc/standards.txt) that list all kinds of standards
2907 and so on that are implemented in OpenSSL.
2910 *) Enhance c_rehash script. Old version would mishandle certificates
2911 with the same subject name hash and wouldn't handle CRLs at all.
2912 Added -fingerprint option to crl utility, to support new c_rehash
2916 *) Eliminate non-ANSI declarations in crypto.h and stack.h.
2919 *) Fix for SSL server purpose checking. Server checking was
2920 rejecting certificates which had extended key usage present
2921 but no ssl client purpose.
2922 [Steve Henson, reported by Rene Grosser <grosser@hisolutions.com>]
2924 *) Make PKCS#12 code work with no password. The PKCS#12 spec
2925 is a little unclear about how a blank password is handled.
2926 Since the password in encoded as a BMPString with terminating
2927 double NULL a zero length password would end up as just the
2928 double NULL. However no password at all is different and is
2929 handled differently in the PKCS#12 key generation code. NS
2930 treats a blank password as zero length. MSIE treats it as no
2931 password on export: but it will try both on import. We now do
2932 the same: PKCS12_parse() tries zero length and no password if
2933 the password is set to "" or NULL (NULL is now a valid password:
2934 it wasn't before) as does the pkcs12 application.
2937 *) Bugfixes in apps/x509.c: Avoid a memory leak; and don't use
2938 perror when PEM_read_bio_X509_REQ fails, the error message must
2939 be obtained from the error queue.
2942 *) Avoid 'thread_hash' memory leak in crypto/err/err.c by freeing
2943 it in ERR_remove_state if appropriate, and change ERR_get_state
2944 accordingly to avoid race conditions (this is necessary because
2945 thread_hash is no longer constant once set).
2948 *) Bugfix for linux-elf makefile.one.
2951 *) RSA_get_default_method() will now cause a default
2952 RSA_METHOD to be chosen if one doesn't exist already.
2953 Previously this was only set during a call to RSA_new()
2954 or RSA_new_method(NULL) meaning it was possible for
2955 RSA_get_default_method() to return NULL.
2958 *) Added native name translation to the existing DSO code
2959 that will convert (if the flag to do so is set) filenames
2960 that are sufficiently small and have no path information
2961 into a canonical native form. Eg. "blah" converted to
2962 "libblah.so" or "blah.dll" etc.
2965 *) New function ERR_error_string_n(e, buf, len) which is like
2966 ERR_error_string(e, buf), but writes at most 'len' bytes
2967 including the 0 terminator. For ERR_error_string_n, 'buf'
2969 [Damien Miller <djm@mindrot.org>, Bodo Moeller]
2971 *) CONF library reworked to become more general. A new CONF
2972 configuration file reader "class" is implemented as well as a
2973 new functions (NCONF_*, for "New CONF") to handle it. The now
2974 old CONF_* functions are still there, but are reimplemented to
2975 work in terms of the new functions. Also, a set of functions
2976 to handle the internal storage of the configuration data is
2977 provided to make it easier to write new configuration file
2978 reader "classes" (I can definitely see something reading a
2979 configuration file in XML format, for example), called _CONF_*,
2980 or "the configuration storage API"...
2982 The new configuration file reading functions are:
2984 NCONF_new, NCONF_free, NCONF_load, NCONF_load_fp, NCONF_load_bio,
2985 NCONF_get_section, NCONF_get_string, NCONF_get_numbre
2987 NCONF_default, NCONF_WIN32
2989 NCONF_dump_fp, NCONF_dump_bio
2991 NCONF_default and NCONF_WIN32 are method (or "class") choosers,
2992 NCONF_new creates a new CONF object. This works in the same way
2993 as other interfaces in OpenSSL, like the BIO interface.
2994 NCONF_dump_* dump the internal storage of the configuration file,
2995 which is useful for debugging. All other functions take the same
2996 arguments as the old CONF_* functions wth the exception of the
2997 first that must be a `CONF *' instead of a `LHASH *'.
2999 To make it easer to use the new classes with the old CONF_* functions,
3000 the function CONF_set_default_method is provided.
3003 *) Add '-tls1' option to 'openssl ciphers', which was already
3004 mentioned in the documentation but had not been implemented.
3005 (This option is not yet really useful because even the additional
3006 experimental TLS 1.0 ciphers are currently treated as SSL 3.0 ciphers.)
3009 *) Initial DSO code added into libcrypto for letting OpenSSL (and
3010 OpenSSL-based applications) load shared libraries and bind to
3011 them in a portable way.
3012 [Geoff Thorpe, with contributions from Richard Levitte]
3014 Changes between 0.9.5 and 0.9.5a [1 Apr 2000]
3016 *) Make sure _lrotl and _lrotr are only used with MSVC.
3018 *) Use lock CRYPTO_LOCK_RAND correctly in ssleay_rand_status
3019 (the default implementation of RAND_status).
3021 *) Rename openssl x509 option '-crlext', which was added in 0.9.5,
3022 to '-clrext' (= clear extensions), as intended and documented.
3023 [Bodo Moeller; inconsistency pointed out by Michael Attili
3026 *) Fix for HMAC. It wasn't zeroing the rest of the block if the key length
3027 was larger than the MD block size.
3028 [Steve Henson, pointed out by Yost William <YostW@tce.com>]
3030 *) Modernise PKCS12_parse() so it uses STACK_OF(X509) for its ca argument
3031 fix a leak when the ca argument was passed as NULL. Stop X509_PUBKEY_set()
3032 using the passed key: if the passed key was a private key the result
3033 of X509_print(), for example, would be to print out all the private key
3037 *) des_quad_cksum() byte order bug fix.
3038 [Ulf Möller, using the problem description in krb4-0.9.7, where
3039 the solution is attributed to Derrick J Brashear <shadow@DEMENTIA.ORG>]
3041 *) Fix so V_ASN1_APP_CHOOSE works again: however its use is strongly
3043 [Steve Henson, pointed out by Brian Korver <briank@cs.stanford.edu>]
3045 *) For easily testing in shell scripts whether some command
3046 'openssl XXX' exists, the new pseudo-command 'openssl no-XXX'
3047 returns with exit code 0 iff no command of the given name is available.
3048 'no-XXX' is printed in this case, 'XXX' otherwise. In both cases,
3049 the output goes to stdout and nothing is printed to stderr.
3050 Additional arguments are always ignored.
3052 Since for each cipher there is a command of the same name,
3053 the 'no-cipher' compilation switches can be tested this way.
3055 ('openssl no-XXX' is not able to detect pseudo-commands such
3056 as 'quit', 'list-XXX-commands', or 'no-XXX' itself.)
3059 *) Update test suite so that 'make test' succeeds in 'no-rsa' configuration.
3062 *) For SSL_[CTX_]set_tmp_dh, don't create a DH key if SSL_OP_SINGLE_DH_USE
3063 is set; it will be thrown away anyway because each handshake creates
3065 ssl_cert_dup, which is used by SSL_new, now copies DH keys in addition
3066 to parameters -- in previous versions (since OpenSSL 0.9.3) the
3067 'default key' from SSL_CTX_set_tmp_dh would always be lost, meanining
3068 you effectivly got SSL_OP_SINGLE_DH_USE when using this macro.
3071 *) New s_client option -ign_eof: EOF at stdin is ignored, and
3072 'Q' and 'R' lose their special meanings (quit/renegotiate).
3073 This is part of what -quiet does; unlike -quiet, -ign_eof
3074 does not suppress any output.
3077 *) Add compatibility options to the purpose and trust code. The
3078 purpose X509_PURPOSE_ANY is "any purpose" which automatically
3079 accepts a certificate or CA, this was the previous behaviour,
3080 with all the associated security issues.
3082 X509_TRUST_COMPAT is the old trust behaviour: only and
3083 automatically trust self signed roots in certificate store. A
3084 new trust setting X509_TRUST_DEFAULT is used to specify that
3085 a purpose has no associated trust setting and it should instead
3086 use the value in the default purpose.
3089 *) Fix the PKCS#8 DSA private key code so it decodes keys again
3090 and fix a memory leak.
3093 *) In util/mkerr.pl (which implements 'make errors'), preserve
3094 reason strings from the previous version of the .c file, as
3095 the default to have only downcase letters (and digits) in
3096 automatically generated reasons codes is not always appropriate.
3099 *) In ERR_load_ERR_strings(), build an ERR_LIB_SYS error reason table
3100 using strerror. Previously, ERR_reason_error_string() returned
3101 library names as reason strings for SYSerr; but SYSerr is a special
3102 case where small numbers are errno values, not library numbers.
3105 *) Add '-dsaparam' option to 'openssl dhparam' application. This
3106 converts DSA parameters into DH parameters. (When creating parameters,
3107 DSA_generate_parameters is used.)
3110 *) Include 'length' (recommended exponent length) in C code generated
3111 by 'openssl dhparam -C'.
3114 *) The second argument to set_label in perlasm was already being used
3115 so couldn't be used as a "file scope" flag. Moved to third argument
3119 *) In PEM_ASN1_write_bio and some other functions, use RAND_pseudo_bytes
3120 instead of RAND_bytes for encryption IVs and salts.
3123 *) Include RAND_status() into RAND_METHOD instead of implementing
3124 it only for md_rand.c Otherwise replacing the PRNG by calling
3125 RAND_set_rand_method would be impossible.
3128 *) Don't let DSA_generate_key() enter an infinite loop if the random
3129 number generation fails.
3132 *) New 'rand' application for creating pseudo-random output.
3135 *) Added configuration support for Linux/IA64
3136 [Rolf Haberrecker <rolf@suse.de>]
3138 *) Assembler module support for Mingw32.
3141 *) Shared library support for HPUX (in shlib/).
3142 [Lutz Jaenicke <Lutz.Jaenicke@aet.TU-Cottbus.DE> and Anonymous]
3144 *) Shared library support for Solaris gcc.
3145 [Lutz Behnke <behnke@trustcenter.de>]
3147 Changes between 0.9.4 and 0.9.5 [28 Feb 2000]
3149 *) PKCS7_encrypt() was adding text MIME headers twice because they
3150 were added manually and by SMIME_crlf_copy().
3153 *) In bntest.c don't call BN_rand with zero bits argument.
3154 [Steve Henson, pointed out by Andrew W. Gray <agray@iconsinc.com>]
3156 *) BN_mul bugfix: In bn_mul_part_recursion() only the a>a[n] && b>b[n]
3157 case was implemented. This caused BN_div_recp() to fail occasionally.
3160 *) Add an optional second argument to the set_label() in the perl
3161 assembly language builder. If this argument exists and is set
3162 to 1 it signals that the assembler should use a symbol whose
3163 scope is the entire file, not just the current function. This
3164 is needed with MASM which uses the format label:: for this scope.
3165 [Steve Henson, pointed out by Peter Runestig <peter@runestig.com>]
3167 *) Change the ASN1 types so they are typedefs by default. Before
3168 almost all types were #define'd to ASN1_STRING which was causing
3169 STACK_OF() problems: you couldn't declare STACK_OF(ASN1_UTF8STRING)
3173 *) Change names of new functions to the new get1/get0 naming
3174 convention: After 'get1', the caller owns a reference count
3175 and has to call ..._free; 'get0' returns a pointer to some
3176 data structure without incrementing reference counters.
3177 (Some of the existing 'get' functions increment a reference
3178 counter, some don't.)
3179 Similarly, 'set1' and 'add1' functions increase reference
3180 counters or duplicate objects.
3183 *) Allow for the possibility of temp RSA key generation failure:
3184 the code used to assume it always worked and crashed on failure.
3187 *) Fix potential buffer overrun problem in BIO_printf().
3188 [Ulf Möller, using public domain code by Patrick Powell; problem
3189 pointed out by David Sacerdote <das33@cornell.edu>]
3191 *) Support EGD <http://www.lothar.com/tech/crypto/>. New functions
3192 RAND_egd() and RAND_status(). In the command line application,
3193 the EGD socket can be specified like a seed file using RANDFILE
3197 *) Allow the string CERTIFICATE to be tolerated in PKCS#7 structures.
3198 Some CAs (e.g. Verisign) distribute certificates in this form.
3201 *) Remove the SSL_ALLOW_ADH compile option and set the default cipher
3202 list to exclude them. This means that no special compilation option
3203 is needed to use anonymous DH: it just needs to be included in the
3207 *) Change the EVP_MD_CTX_type macro so its meaning consistent with
3208 EVP_MD_type. The old functionality is available in a new macro called
3209 EVP_MD_md(). Change code that uses it and update docs.
3212 *) ..._ctrl functions now have corresponding ..._callback_ctrl functions
3213 where the 'void *' argument is replaced by a function pointer argument.
3214 Previously 'void *' was abused to point to functions, which works on
3215 many platforms, but is not correct. As these functions are usually
3216 called by macros defined in OpenSSL header files, most source code
3217 should work without changes.
3220 *) <openssl/opensslconf.h> (which is created by Configure) now contains
3221 sections with information on -D... compiler switches used for
3222 compiling the library so that applications can see them. To enable
3223 one of these sections, a pre-processor symbol OPENSSL_..._DEFINES
3224 must be defined. E.g.,
3225 #define OPENSSL_ALGORITHM_DEFINES
3226 #include <openssl/opensslconf.h>
3227 defines all pertinent NO_<algo> symbols, such as NO_IDEA, NO_RSA, etc.
3228 [Richard Levitte, Ulf and Bodo Möller]
3230 *) Bugfix: Tolerate fragmentation and interleaving in the SSL 3/TLS
3234 *) Change the 'other' type in certificate aux info to a STACK_OF
3235 X509_ALGOR. Although not an AlgorithmIdentifier as such it has
3236 the required ASN1 format: arbitrary types determined by an OID.
3239 *) Add some PEM_write_X509_REQ_NEW() functions and a command line
3240 argument to 'req'. This is not because the function is newer or
3241 better than others it just uses the work 'NEW' in the certificate
3242 request header lines. Some software needs this.
3245 *) Reorganise password command line arguments: now passwords can be
3246 obtained from various sources. Delete the PEM_cb function and make
3247 it the default behaviour: i.e. if the callback is NULL and the
3248 usrdata argument is not NULL interpret it as a null terminated pass
3249 phrase. If usrdata and the callback are NULL then the pass phrase
3250 is prompted for as usual.
3253 *) Add support for the Compaq Atalla crypto accelerator. If it is installed,
3254 the support is automatically enabled. The resulting binaries will
3255 autodetect the card and use it if present.
3256 [Ben Laurie and Compaq Inc.]
3258 *) Work around for Netscape hang bug. This sends certificate request
3259 and server done in one record. Since this is perfectly legal in the
3260 SSL/TLS protocol it isn't a "bug" option and is on by default. See
3261 the bugs/SSLv3 entry for more info.
3264 *) HP-UX tune-up: new unified configs, HP C compiler bug workaround.
3267 *) Add -rand argument to smime and pkcs12 applications and read/write
3271 *) New 'passwd' tool for crypt(3) and apr1 password hashes.
3274 *) Add command line password options to the remaining applications.
3277 *) Bug fix for BN_div_recp() for numerators with an even number of
3281 *) More tests in bntest.c, and changed test_bn output.
3284 *) ./config recognizes MacOS X now.
3287 *) Bug fix for BN_div() when the first words of num and divsor are
3288 equal (it gave wrong results if (rem=(n1-q*d0)&BN_MASK2) < d0).
3291 *) Add support for various broken PKCS#8 formats, and command line
3292 options to produce them.
3295 *) New functions BN_CTX_start(), BN_CTX_get() and BT_CTX_end() to
3296 get temporary BIGNUMs from a BN_CTX.
3299 *) Correct return values in BN_mod_exp_mont() and BN_mod_exp2_mont()
3303 *) Change the SSLeay_add_all_*() functions to OpenSSL_add_all_*() and
3304 include a #define from the old name to the new. The original intent
3305 was that statically linked binaries could for example just call
3306 SSLeay_add_all_ciphers() to just add ciphers to the table and not
3307 link with digests. This never worked becayse SSLeay_add_all_digests()
3308 and SSLeay_add_all_ciphers() were in the same source file so calling
3309 one would link with the other. They are now in separate source files.
3312 *) Add a new -notext option to 'ca' and a -pubkey option to 'spkac'.
3315 *) Use a less unusual form of the Miller-Rabin primality test (it used
3316 a binary algorithm for exponentiation integrated into the Miller-Rabin
3317 loop, our standard modexp algorithms are faster).
3320 *) Support for the EBCDIC character set completed.
3321 [Martin Kraemer <Martin.Kraemer@Mch.SNI.De>]
3323 *) Source code cleanups: use const where appropriate, eliminate casts,
3324 use void * instead of char * in lhash.
3327 *) Bugfix: ssl3_send_server_key_exchange was not restartable
3328 (the state was not changed to SSL3_ST_SW_KEY_EXCH_B, and because of
3329 this the server could overwrite ephemeral keys that the client
3333 *) Turn DSA_is_prime into a macro that calls BN_is_prime,
3334 using 50 iterations of the Rabin-Miller test.
3336 DSA_generate_parameters now uses BN_is_prime_fasttest (with 50
3337 iterations of the Rabin-Miller test as required by the appendix
3338 to FIPS PUB 186[-1]) instead of DSA_is_prime.
3339 As BN_is_prime_fasttest includes trial division, DSA parameter
3340 generation becomes much faster.
3342 This implies a change for the callback functions in DSA_is_prime
3343 and DSA_generate_parameters: The callback function is called once
3344 for each positive witness in the Rabin-Miller test, not just
3345 occasionally in the inner loop; and the parameters to the
3346 callback function now provide an iteration count for the outer
3347 loop rather than for the current invocation of the inner loop.
3348 DSA_generate_parameters additionally can call the callback
3349 function with an 'iteration count' of -1, meaning that a
3350 candidate has passed the trial division test (when q is generated
3351 from an application-provided seed, trial division is skipped).
3354 *) New function BN_is_prime_fasttest that optionally does trial
3355 division before starting the Rabin-Miller test and has
3356 an additional BN_CTX * argument (whereas BN_is_prime always
3357 has to allocate at least one BN_CTX).
3358 'callback(1, -1, cb_arg)' is called when a number has passed the
3359 trial division stage.
3362 *) Fix for bug in CRL encoding. The validity dates weren't being handled
3366 *) New -pkcs12 option to CA.pl script to write out a PKCS#12 file.
3369 *) New function BN_pseudo_rand().
3372 *) Clean up BN_mod_mul_montgomery(): replace the broken (and unreadable)
3373 bignum version of BN_from_montgomery() with the working code from
3374 SSLeay 0.9.0 (the word based version is faster anyway), and clean up
3378 *) Avoid a race condition in s2_clnt.c (function get_server_hello) that
3379 made it impossible to use the same SSL_SESSION data structure in
3380 SSL2 clients in multiple threads.
3383 *) The return value of RAND_load_file() no longer counts bytes obtained
3384 by stat(). RAND_load_file(..., -1) is new and uses the complete file
3385 to seed the PRNG (previously an explicit byte count was required).
3386 [Ulf Möller, Bodo Möller]
3388 *) Clean up CRYPTO_EX_DATA functions, some of these didn't have prototypes
3389 used (char *) instead of (void *) and had casts all over the place.
3392 *) Make BN_generate_prime() return NULL on error if ret!=NULL.
3395 *) Retain source code compatibility for BN_prime_checks macro:
3396 BN_is_prime(..., BN_prime_checks, ...) now uses
3397 BN_prime_checks_for_size to determine the appropriate number of
3398 Rabin-Miller iterations.
3401 *) Diffie-Hellman uses "safe" primes: DH_check() return code renamed to
3402 DH_CHECK_P_NOT_SAFE_PRIME.
3403 (Check if this is true? OpenPGP calls them "strong".)
3406 *) Merge the functionality of "dh" and "gendh" programs into a new program
3407 "dhparam". The old programs are retained for now but will handle DH keys
3408 (instead of parameters) in future.
3411 *) Make the ciphers, s_server and s_client programs check the return values
3412 when a new cipher list is set.
3415 *) Enhance the SSL/TLS cipher mechanism to correctly handle the TLS 56bit
3416 ciphers. Before when the 56bit ciphers were enabled the sorting was
3419 The syntax for the cipher sorting has been extended to support sorting by
3420 cipher-strength (using the strength_bits hard coded in the tables).
3421 The new command is "@STRENGTH" (see also doc/apps/ciphers.pod).
3423 Fix a bug in the cipher-command parser: when supplying a cipher command
3424 string with an "undefined" symbol (neither command nor alphanumeric
3425 [A-Za-z0-9], ssl_set_cipher_list used to hang in an endless loop. Now
3426 an error is flagged.
3428 Due to the strength-sorting extension, the code of the
3429 ssl_create_cipher_list() function was completely rearranged. I hope that
3430 the readability was also increased :-)
3431 [Lutz Jaenicke <Lutz.Jaenicke@aet.TU-Cottbus.DE>]
3433 *) Minor change to 'x509' utility. The -CAcreateserial option now uses 1
3434 for the first serial number and places 2 in the serial number file. This
3435 avoids problems when the root CA is created with serial number zero and
3436 the first user certificate has the same issuer name and serial number
3440 *) Fixes to X509_ATTRIBUTE utilities, change the 'req' program so it uses
3441 the new code. Add documentation for this stuff.
3444 *) Changes to X509_ATTRIBUTE utilities. These have been renamed from
3445 X509_*() to X509at_*() on the grounds that they don't handle X509
3446 structures and behave in an analagous way to the X509v3 functions:
3447 they shouldn't be called directly but wrapper functions should be used
3450 So we also now have some wrapper functions that call the X509at functions
3451 when passed certificate requests. (TO DO: similar things can be done with
3452 PKCS#7 signed and unsigned attributes, PKCS#12 attributes and a few other
3453 things. Some of these need some d2i or i2d and print functionality
3454 because they handle more complex structures.)
3457 *) Add missing #ifndefs that caused missing symbols when building libssl
3458 as a shared library without RSA. Use #ifndef NO_SSL2 instead of
3459 NO_RSA in ssl/s2*.c.
3460 [Kris Kennaway <kris@hub.freebsd.org>, modified by Ulf Möller]
3462 *) Precautions against using the PRNG uninitialized: RAND_bytes() now
3463 has a return value which indicates the quality of the random data
3464 (1 = ok, 0 = not seeded). Also an error is recorded on the thread's
3465 error queue. New function RAND_pseudo_bytes() generates output that is
3466 guaranteed to be unique but not unpredictable. RAND_add is like
3467 RAND_seed, but takes an extra argument for an entropy estimate
3468 (RAND_seed always assumes full entropy).
3471 *) Do more iterations of Rabin-Miller probable prime test (specifically,
3472 3 for 1024-bit primes, 6 for 512-bit primes, 12 for 256-bit primes
3473 instead of only 2 for all lengths; see BN_prime_checks_for_size definition
3474 in crypto/bn/bn_prime.c for the complete table). This guarantees a
3475 false-positive rate of at most 2^-80 for random input.
3478 *) Rewrite ssl3_read_n (ssl/s3_pkt.c) avoiding a couple of bugs.
3481 *) New function X509_CTX_rget_chain() (renamed to X509_CTX_get1_chain
3482 in the 0.9.5 release), this returns the chain
3483 from an X509_CTX structure with a dup of the stack and all
3484 the X509 reference counts upped: so the stack will exist
3485 after X509_CTX_cleanup() has been called. Modify pkcs12.c
3488 Also make SSL_SESSION_print() print out the verify return
3492 *) Add manpage for the pkcs12 command. Also change the default
3493 behaviour so MAC iteration counts are used unless the new
3494 -nomaciter option is used. This improves file security and
3495 only older versions of MSIE (4.0 for example) need it.
3498 *) Honor the no-xxx Configure options when creating .DEF files.
3501 *) Add PKCS#10 attributes to field table: challengePassword,
3502 unstructuredName and unstructuredAddress. These are taken from
3503 draft PKCS#9 v2.0 but are compatible with v1.2 provided no
3504 international characters are used.
3506 More changes to X509_ATTRIBUTE code: allow the setting of types
3507 based on strings. Remove the 'loc' parameter when adding
3508 attributes because these will be a SET OF encoding which is sorted
3512 *) Initial changes to the 'req' utility to allow request generation
3513 automation. This will allow an application to just generate a template
3514 file containing all the field values and have req construct the
3517 Initial support for X509_ATTRIBUTE handling. Stacks of these are
3518 used all over the place including certificate requests and PKCS#7
3519 structures. They are currently handled manually where necessary with
3520 some primitive wrappers for PKCS#7. The new functions behave in a
3521 manner analogous to the X509 extension functions: they allow
3522 attributes to be looked up by NID and added.
3524 Later something similar to the X509V3 code would be desirable to
3525 automatically handle the encoding, decoding and printing of the
3526 more complex types. The string types like challengePassword can
3527 be handled by the string table functions.
3529 Also modified the multi byte string table handling. Now there is
3530 a 'global mask' which masks out certain types. The table itself
3531 can use the flag STABLE_NO_MASK to ignore the mask setting: this
3532 is useful when for example there is only one permissible type
3533 (as in countryName) and using the mask might result in no valid
3537 *) Clean up 'Finished' handling, and add functions SSL_get_finished and
3538 SSL_get_peer_finished to allow applications to obtain the latest
3539 Finished messages sent to the peer or expected from the peer,
3540 respectively. (SSL_get_peer_finished is usually the Finished message
3541 actually received from the peer, otherwise the protocol will be aborted.)
3543 As the Finished message are message digests of the complete handshake
3544 (with a total of 192 bits for TLS 1.0 and more for SSL 3.0), they can
3545 be used for external authentication procedures when the authentication
3546 provided by SSL/TLS is not desired or is not enough.
3549 *) Enhanced support for Alpha Linux is added. Now ./config checks if
3550 the host supports BWX extension and if Compaq C is present on the
3551 $PATH. Just exploiting of the BWX extension results in 20-30%
3552 performance kick for some algorithms, e.g. DES and RC4 to mention
3553 a couple. Compaq C in turn generates ~20% faster code for MD5 and
3557 *) Add support for MS "fast SGC". This is arguably a violation of the
3558 SSL3/TLS protocol. Netscape SGC does two handshakes: the first with
3559 weak crypto and after checking the certificate is SGC a second one
3560 with strong crypto. MS SGC stops the first handshake after receiving
3561 the server certificate message and sends a second client hello. Since
3562 a server will typically do all the time consuming operations before
3563 expecting any further messages from the client (server key exchange
3564 is the most expensive) there is little difference between the two.
3566 To get OpenSSL to support MS SGC we have to permit a second client
3567 hello message after we have sent server done. In addition we have to
3568 reset the MAC if we do get this second client hello.
3571 *) Add a function 'd2i_AutoPrivateKey()' this will automatically decide
3572 if a DER encoded private key is RSA or DSA traditional format. Changed
3573 d2i_PrivateKey_bio() to use it. This is only needed for the "traditional"
3574 format DER encoded private key. Newer code should use PKCS#8 format which
3575 has the key type encoded in the ASN1 structure. Added DER private key
3576 support to pkcs8 application.
3579 *) SSL 3/TLS 1 servers now don't request certificates when an anonymous
3580 ciphersuites has been selected (as required by the SSL 3/TLS 1
3581 specifications). Exception: When SSL_VERIFY_FAIL_IF_NO_PEER_CERT
3582 is set, we interpret this as a request to violate the specification
3583 (the worst that can happen is a handshake failure, and 'correct'
3584 behaviour would result in a handshake failure anyway).
3587 *) In SSL_CTX_add_session, take into account that there might be multiple
3588 SSL_SESSION structures with the same session ID (e.g. when two threads
3589 concurrently obtain them from an external cache).
3590 The internal cache can handle only one SSL_SESSION with a given ID,
3591 so if there's a conflict, we now throw out the old one to achieve
3595 *) Add OIDs for idea and blowfish in CBC mode. This will allow both
3596 to be used in PKCS#5 v2.0 and S/MIME. Also add checking to
3597 some routines that use cipher OIDs: some ciphers do not have OIDs
3598 defined and so they cannot be used for S/MIME and PKCS#5 v2.0 for
3602 *) Simplify the trust setting structure and code. Now we just have
3603 two sequences of OIDs for trusted and rejected settings. These will
3604 typically have values the same as the extended key usage extension
3605 and any application specific purposes.
3607 The trust checking code now has a default behaviour: it will just
3608 check for an object with the same NID as the passed id. Functions can
3609 be provided to override either the default behaviour or the behaviour
3610 for a given id. SSL client, server and email already have functions
3611 in place for compatibility: they check the NID and also return "trusted"
3612 if the certificate is self signed.
3615 *) Add d2i,i2d bio/fp functions for PrivateKey: these convert the
3616 traditional format into an EVP_PKEY structure.
3619 *) Add a password callback function PEM_cb() which either prompts for
3620 a password if usr_data is NULL or otherwise assumes it is a null
3621 terminated password. Allow passwords to be passed on command line
3622 environment or config files in a few more utilities.
3625 *) Add a bunch of DER and PEM functions to handle PKCS#8 format private
3626 keys. Add some short names for PKCS#8 PBE algorithms and allow them
3627 to be specified on the command line for the pkcs8 and pkcs12 utilities.
3628 Update documentation.
3631 *) Support for ASN1 "NULL" type. This could be handled before by using
3632 ASN1_TYPE but there wasn't any function that would try to read a NULL
3633 and produce an error if it couldn't. For compatibility we also have
3634 ASN1_NULL_new() and ASN1_NULL_free() functions but these are faked and
3635 don't allocate anything because they don't need to.
3638 *) Initial support for MacOS is now provided. Examine INSTALL.MacOS
3640 [Andy Polyakov, Roy Woods <roy@centicsystems.ca>]
3642 *) Rebuild of the memory allocation routines used by OpenSSL code and
3643 possibly others as well. The purpose is to make an interface that
3644 provide hooks so anyone can build a separate set of allocation and
3645 deallocation routines to be used by OpenSSL, for example memory
3646 pool implementations, or something else, which was previously hard
3647 since Malloc(), Realloc() and Free() were defined as macros having
3648 the values malloc, realloc and free, respectively (except for Win32
3649 compilations). The same is provided for memory debugging code.
3650 OpenSSL already comes with functionality to find memory leaks, but
3651 this gives people a chance to debug other memory problems.
3653 With these changes, a new set of functions and macros have appeared:
3655 CRYPTO_set_mem_debug_functions() [F]
3656 CRYPTO_get_mem_debug_functions() [F]
3657 CRYPTO_dbg_set_options() [F]
3658 CRYPTO_dbg_get_options() [F]
3659 CRYPTO_malloc_debug_init() [M]
3661 The memory debug functions are NULL by default, unless the library
3662 is compiled with CRYPTO_MDEBUG or friends is defined. If someone
3663 wants to debug memory anyway, CRYPTO_malloc_debug_init() (which
3664 gives the standard debugging functions that come with OpenSSL) or
3665 CRYPTO_set_mem_debug_functions() (tells OpenSSL to use functions
3666 provided by the library user) must be used. When the standard
3667 debugging functions are used, CRYPTO_dbg_set_options can be used to
3668 request additional information:
3669 CRYPTO_dbg_set_options(V_CYRPTO_MDEBUG_xxx) corresponds to setting
3670 the CRYPTO_MDEBUG_xxx macro when compiling the library.
3672 Also, things like CRYPTO_set_mem_functions will always give the
3673 expected result (the new set of functions is used for allocation
3674 and deallocation) at all times, regardless of platform and compiler
3677 To finish it up, some functions that were never use in any other
3678 way than through macros have a new API and new semantic:
3681 CRYPTO_dbg_realloc()
3684 All macros of value have retained their old syntax.
3685 [Richard Levitte and Bodo Moeller]
3687 *) Some S/MIME fixes. The OID for SMIMECapabilities was wrong, the
3688 ordering of SMIMECapabilities wasn't in "strength order" and there
3689 was a missing NULL in the AlgorithmIdentifier for the SHA1 signature
3693 *) Some ASN1 types with illegal zero length encoding (INTEGER,
3694 ENUMERATED and OBJECT IDENTIFIER) choked the ASN1 routines.
3695 [Frans Heymans <fheymans@isaserver.be>, modified by Steve Henson]
3697 *) Merge in my S/MIME library for OpenSSL. This provides a simple
3698 S/MIME API on top of the PKCS#7 code, a MIME parser (with enough
3699 functionality to handle multipart/signed properly) and a utility
3700 called 'smime' to call all this stuff. This is based on code I
3701 originally wrote for Celo who have kindly allowed it to be
3702 included in OpenSSL.
3705 *) Add variants des_set_key_checked and des_set_key_unchecked of
3706 des_set_key (aka des_key_sched). Global variable des_check_key
3707 decides which of these is called by des_set_key; this way
3708 des_check_key behaves as it always did, but applications and
3709 the library itself, which was buggy for des_check_key == 1,
3710 have a cleaner way to pick the version they need.
3713 *) New function PKCS12_newpass() which changes the password of a
3717 *) Modify X509_TRUST and X509_PURPOSE so it also uses a static and
3718 dynamic mix. In both cases the ids can be used as an index into the
3719 table. Also modified the X509_TRUST_add() and X509_PURPOSE_add()
3720 functions so they accept a list of the field values and the
3721 application doesn't need to directly manipulate the X509_TRUST
3725 *) Modify the ASN1_STRING_TABLE stuff so it also uses bsearch and doesn't
3729 *) Modify the way the V3 extension code looks up extensions. This now
3730 works in a similar way to the object code: we have some "standard"
3731 extensions in a static table which is searched with OBJ_bsearch()
3732 and the application can add dynamic ones if needed. The file
3733 crypto/x509v3/ext_dat.h now has the info: this file needs to be
3734 updated whenever a new extension is added to the core code and kept
3735 in ext_nid order. There is a simple program 'tabtest.c' which checks
3736 this. New extensions are not added too often so this file can readily
3737 be maintained manually.
3739 There are two big advantages in doing things this way. The extensions
3740 can be looked up immediately and no longer need to be "added" using
3741 X509V3_add_standard_extensions(): this function now does nothing.
3742 [Side note: I get *lots* of email saying the extension code doesn't
3743 work because people forget to call this function]
3744 Also no dynamic allocation is done unless new extensions are added:
3745 so if we don't add custom extensions there is no need to call
3746 X509V3_EXT_cleanup().
3749 *) Modify enc utility's salting as follows: make salting the default. Add a
3750 magic header, so unsalted files fail gracefully instead of just decrypting
3751 to garbage. This is because not salting is a big security hole, so people
3752 should be discouraged from doing it.
3755 *) Fixes and enhancements to the 'x509' utility. It allowed a message
3756 digest to be passed on the command line but it only used this
3757 parameter when signing a certificate. Modified so all relevant
3758 operations are affected by the digest parameter including the
3759 -fingerprint and -x509toreq options. Also -x509toreq choked if a
3760 DSA key was used because it didn't fix the digest.
3763 *) Initial certificate chain verify code. Currently tests the untrusted
3764 certificates for consistency with the verify purpose (which is set
3765 when the X509_STORE_CTX structure is set up) and checks the pathlength.
3767 There is a NO_CHAIN_VERIFY compilation option to keep the old behaviour:
3768 this is because it will reject chains with invalid extensions whereas
3769 every previous version of OpenSSL and SSLeay made no checks at all.
3771 Trust code: checks the root CA for the relevant trust settings. Trust
3772 settings have an initial value consistent with the verify purpose: e.g.
3773 if the verify purpose is for SSL client use it expects the CA to be
3774 trusted for SSL client use. However the default value can be changed to
3775 permit custom trust settings: one example of this would be to only trust
3776 certificates from a specific "secure" set of CAs.
3778 Also added X509_STORE_CTX_new() and X509_STORE_CTX_free() functions
3779 which should be used for version portability: especially since the
3780 verify structure is likely to change more often now.
3782 SSL integration. Add purpose and trust to SSL_CTX and SSL and functions
3783 to set them. If not set then assume SSL clients will verify SSL servers
3786 Two new options to the verify program: -untrusted allows a set of
3787 untrusted certificates to be passed in and -purpose which sets the
3788 intended purpose of the certificate. If a purpose is set then the
3789 new chain verify code is used to check extension consistency.
3792 *) Support for the authority information access extension.
3795 *) Modify RSA and DSA PEM read routines to transparently handle
3796 PKCS#8 format private keys. New *_PUBKEY_* functions that handle
3797 public keys in a format compatible with certificate
3798 SubjectPublicKeyInfo structures. Unfortunately there were already
3799 functions called *_PublicKey_* which used various odd formats so
3800 these are retained for compatibility: however the DSA variants were
3801 never in a public release so they have been deleted. Changed dsa/rsa
3802 utilities to handle the new format: note no releases ever handled public
3803 keys so we should be OK.
3805 The primary motivation for this change is to avoid the same fiasco
3806 that dogs private keys: there are several incompatible private key
3807 formats some of which are standard and some OpenSSL specific and
3808 require various evil hacks to allow partial transparent handling and
3809 even then it doesn't work with DER formats. Given the option anything
3810 other than PKCS#8 should be dumped: but the other formats have to
3811 stay in the name of compatibility.
3813 With public keys and the benefit of hindsight one standard format
3814 is used which works with EVP_PKEY, RSA or DSA structures: though
3815 it clearly returns an error if you try to read the wrong kind of key.
3817 Added a -pubkey option to the 'x509' utility to output the public key.
3818 Also rename the EVP_PKEY_get_*() to EVP_PKEY_rget_*()
3819 (renamed to EVP_PKEY_get1_*() in the OpenSSL 0.9.5 release) and add
3820 EVP_PKEY_rset_*() functions (renamed to EVP_PKEY_set1_*())
3821 that do the same as the EVP_PKEY_assign_*() except they up the
3822 reference count of the added key (they don't "swallow" the
3826 *) Fixes to crypto/x509/by_file.c the code to read in certificates and
3827 CRLs would fail if the file contained no certificates or no CRLs:
3828 added a new function to read in both types and return the number
3829 read: this means that if none are read it will be an error. The
3830 DER versions of the certificate and CRL reader would always fail
3831 because it isn't possible to mix certificates and CRLs in DER format
3832 without choking one or the other routine. Changed this to just read
3833 a certificate: this is the best we can do. Also modified the code
3834 in apps/verify.c to take notice of return codes: it was previously
3835 attempting to read in certificates from NULL pointers and ignoring
3836 any errors: this is one reason why the cert and CRL reader seemed
3837 to work. It doesn't check return codes from the default certificate
3838 routines: these may well fail if the certificates aren't installed.
3841 *) Code to support otherName option in GeneralName.
3844 *) First update to verify code. Change the verify utility
3845 so it warns if it is passed a self signed certificate:
3846 for consistency with the normal behaviour. X509_verify
3847 has been modified to it will now verify a self signed
3848 certificate if *exactly* the same certificate appears
3849 in the store: it was previously impossible to trust a
3850 single self signed certificate. This means that:
3851 openssl verify ss.pem
3852 now gives a warning about a self signed certificate but
3853 openssl verify -CAfile ss.pem ss.pem
3857 *) For servers, store verify_result in SSL_SESSION data structure
3858 (and add it to external session representation).
3859 This is needed when client certificate verifications fails,
3860 but an application-provided verification callback (set by
3861 SSL_CTX_set_cert_verify_callback) allows accepting the session
3862 anyway (i.e. leaves x509_store_ctx->error != X509_V_OK
3863 but returns 1): When the session is reused, we have to set
3864 ssl->verify_result to the appropriate error code to avoid
3866 [Bodo Moeller, problem pointed out by Lutz Jaenicke]
3868 *) Fix a bug in the new PKCS#7 code: it didn't consider the
3869 case in PKCS7_dataInit() where the signed PKCS7 structure
3870 didn't contain any existing data because it was being created.
3871 [Po-Cheng Chen <pocheng@nst.com.tw>, slightly modified by Steve Henson]
3873 *) Add a salt to the key derivation routines in enc.c. This
3874 forms the first 8 bytes of the encrypted file. Also add a
3875 -S option to allow a salt to be input on the command line.
3878 *) New function X509_cmp(). Oddly enough there wasn't a function
3879 to compare two certificates. We do this by working out the SHA1
3880 hash and comparing that. X509_cmp() will be needed by the trust
3884 *) SSL_get1_session() is like SSL_get_session(), but increments
3885 the reference count in the SSL_SESSION returned.
3886 [Geoff Thorpe <geoff@eu.c2.net>]
3888 *) Fix for 'req': it was adding a null to request attributes.
3889 Also change the X509_LOOKUP and X509_INFO code to handle
3890 certificate auxiliary information.
3893 *) Add support for 40 and 64 bit RC2 and RC4 algorithms: document
3897 *) Add the possibility to add extra information to the memory leak
3898 detecting output, to form tracebacks, showing from where each
3899 allocation was originated: CRYPTO_push_info("constant string") adds
3900 the string plus current file name and line number to a per-thread
3901 stack, CRYPTO_pop_info() does the obvious, CRYPTO_remove_all_info()
3902 is like calling CYRPTO_pop_info() until the stack is empty.
3903 Also updated memory leak detection code to be multi-thread-safe.
3906 *) Add options -text and -noout to pkcs7 utility and delete the
3907 encryption options which never did anything. Update docs.
3910 *) Add options to some of the utilities to allow the pass phrase
3911 to be included on either the command line (not recommended on
3912 OSes like Unix) or read from the environment. Update the
3913 manpages and fix a few bugs.
3916 *) Add a few manpages for some of the openssl commands.
3919 *) Fix the -revoke option in ca. It was freeing up memory twice,
3920 leaking and not finding already revoked certificates.
3923 *) Extensive changes to support certificate auxiliary information.
3924 This involves the use of X509_CERT_AUX structure and X509_AUX
3925 functions. An X509_AUX function such as PEM_read_X509_AUX()
3926 can still read in a certificate file in the usual way but it
3927 will also read in any additional "auxiliary information". By
3928 doing things this way a fair degree of compatibility can be
3929 retained: existing certificates can have this information added
3930 using the new 'x509' options.
3932 Current auxiliary information includes an "alias" and some trust
3933 settings. The trust settings will ultimately be used in enhanced
3934 certificate chain verification routines: currently a certificate
3935 can only be trusted if it is self signed and then it is trusted
3939 *) Fix assembler for Alpha (tested only on DEC OSF not Linux or *BSD).
3940 The problem was that one of the replacement routines had not been working
3941 since SSLeay releases. For now the offending routine has been replaced
3942 with non-optimised assembler. Even so, this now gives around 95%
3943 performance improvement for 1024 bit RSA signs.
3946 *) Hack to fix PKCS#7 decryption when used with some unorthodox RC2
3947 handling. Most clients have the effective key size in bits equal to
3948 the key length in bits: so a 40 bit RC2 key uses a 40 bit (5 byte) key.
3949 A few however don't do this and instead use the size of the decrypted key
3950 to determine the RC2 key length and the AlgorithmIdentifier to determine
3951 the effective key length. In this case the effective key length can still
3952 be 40 bits but the key length can be 168 bits for example. This is fixed
3953 by manually forcing an RC2 key into the EVP_PKEY structure because the
3954 EVP code can't currently handle unusual RC2 key sizes: it always assumes
3955 the key length and effective key length are equal.
3958 *) Add a bunch of functions that should simplify the creation of
3959 X509_NAME structures. Now you should be able to do:
3960 X509_NAME_add_entry_by_txt(nm, "CN", MBSTRING_ASC, "Steve", -1, -1, 0);
3961 and have it automatically work out the correct field type and fill in
3962 the structures. The more adventurous can try:
3963 X509_NAME_add_entry_by_txt(nm, field, MBSTRING_UTF8, str, -1, -1, 0);
3964 and it will (hopefully) work out the correct multibyte encoding.
3967 *) Change the 'req' utility to use the new field handling and multibyte
3968 copy routines. Before the DN field creation was handled in an ad hoc
3969 way in req, ca, and x509 which was rather broken and didn't support
3970 BMPStrings or UTF8Strings. Since some software doesn't implement
3971 BMPStrings or UTF8Strings yet, they can be enabled using the config file
3972 using the dirstring_type option. See the new comment in the default
3973 openssl.cnf for more info.
3976 *) Make crypto/rand/md_rand.c more robust:
3977 - Assure unique random numbers after fork().
3978 - Make sure that concurrent threads access the global counter and
3979 md serializably so that we never lose entropy in them
3980 or use exactly the same state in multiple threads.
3981 Access to the large state is not always serializable because
3982 the additional locking could be a performance killer, and
3983 md should be large enough anyway.
3986 *) New file apps/app_rand.c with commonly needed functionality
3987 for handling the random seed file.
3989 Use the random seed file in some applications that previously did not:
3991 dsaparam -genkey (which also ignored its '-rand' option),
3994 x509 (when signing).
3995 Except on systems with /dev/urandom, it is crucial to have a random
3996 seed file at least for key creation, DSA signing, and for DH exchanges;
3997 for RSA signatures we could do without one.
3999 gendh and gendsa (unlike genrsa) used to read only the first byte
4000 of each file listed in the '-rand' option. The function as previously
4001 found in genrsa is now in app_rand.c and is used by all programs
4002 that support '-rand'.
4005 *) In RAND_write_file, use mode 0600 for creating files;
4006 don't just chmod when it may be too late.
4009 *) Report an error from X509_STORE_load_locations
4010 when X509_LOOKUP_load_file or X509_LOOKUP_add_dir failed.
4013 *) New function ASN1_mbstring_copy() this copies a string in either
4014 ASCII, Unicode, Universal (4 bytes per character) or UTF8 format
4015 into an ASN1_STRING type. A mask of permissible types is passed
4016 and it chooses the "minimal" type to use or an error if not type
4020 *) Add function equivalents to the various macros in asn1.h. The old
4021 macros are retained with an M_ prefix. Code inside the library can
4022 use the M_ macros. External code (including the openssl utility)
4023 should *NOT* in order to be "shared library friendly".
4026 *) Add various functions that can check a certificate's extensions
4027 to see if it usable for various purposes such as SSL client,
4028 server or S/MIME and CAs of these types. This is currently
4029 VERY EXPERIMENTAL but will ultimately be used for certificate chain
4030 verification. Also added a -purpose flag to x509 utility to
4031 print out all the purposes.
4034 *) Add a CRYPTO_EX_DATA to X509 certificate structure and associated
4038 *) New X509V3_{X509,CRL,REVOKED}_get_d2i() functions. These will search
4039 for, obtain and decode and extension and obtain its critical flag.
4040 This allows all the necessary extension code to be handled in a
4041 single function call.
4044 *) RC4 tune-up featuring 30-40% performance improvement on most RISC
4045 platforms. See crypto/rc4/rc4_enc.c for further details.
4048 *) New -noout option to asn1parse. This causes no output to be produced
4049 its main use is when combined with -strparse and -out to extract data
4050 from a file (which may not be in ASN.1 format).
4053 *) Fix for pkcs12 program. It was hashing an invalid certificate pointer
4054 when producing the local key id.
4055 [Richard Levitte <levitte@stacken.kth.se>]
4057 *) New option -dhparam in s_server. This allows a DH parameter file to be
4058 stated explicitly. If it is not stated then it tries the first server
4059 certificate file. The previous behaviour hard coded the filename
4063 *) Add -pubin and -pubout options to the rsa and dsa commands. These allow
4064 a public key to be input or output. For example:
4065 openssl rsa -in key.pem -pubout -out pubkey.pem
4066 Also added necessary DSA public key functions to handle this.
4069 *) Fix so PKCS7_dataVerify() doesn't crash if no certificates are contained
4070 in the message. This was handled by allowing
4071 X509_find_by_issuer_and_serial() to tolerate a NULL passed to it.
4072 [Steve Henson, reported by Sampo Kellomaki <sampo@mail.neuronio.pt>]
4074 *) Fix for bug in d2i_ASN1_bytes(): other ASN1 functions add an extra null
4075 to the end of the strings whereas this didn't. This would cause problems
4076 if strings read with d2i_ASN1_bytes() were later modified.
4077 [Steve Henson, reported by Arne Ansper <arne@ats.cyber.ee>]
4079 *) Fix for base64 decode bug. When a base64 bio reads only one line of
4080 data and it contains EOF it will end up returning an error. This is
4081 caused by input 46 bytes long. The cause is due to the way base64
4082 BIOs find the start of base64 encoded data. They do this by trying a
4083 trial decode on each line until they find one that works. When they
4084 do a flag is set and it starts again knowing it can pass all the
4085 data directly through the decoder. Unfortunately it doesn't reset
4086 the context it uses. This means that if EOF is reached an attempt
4087 is made to pass two EOFs through the context and this causes the
4088 resulting error. This can also cause other problems as well. As is
4089 usual with these problems it takes *ages* to find and the fix is
4090 trivial: move one line.
4091 [Steve Henson, reported by ian@uns.ns.ac.yu (Ivan Nejgebauer) ]
4093 *) Ugly workaround to get s_client and s_server working under Windows. The
4094 old code wouldn't work because it needed to select() on sockets and the
4095 tty (for keypresses and to see if data could be written). Win32 only
4096 supports select() on sockets so we select() with a 1s timeout on the
4097 sockets and then see if any characters are waiting to be read, if none
4098 are present then we retry, we also assume we can always write data to
4099 the tty. This isn't nice because the code then blocks until we've
4100 received a complete line of data and it is effectively polling the
4101 keyboard at 1s intervals: however it's quite a bit better than not
4102 working at all :-) A dedicated Windows application might handle this
4103 with an event loop for example.
4106 *) Enhance RSA_METHOD structure. Now there are two extra methods, rsa_sign
4107 and rsa_verify. When the RSA_FLAGS_SIGN_VER option is set these functions
4108 will be called when RSA_sign() and RSA_verify() are used. This is useful
4109 if rsa_pub_dec() and rsa_priv_enc() equivalents are not available.
4110 For this to work properly RSA_public_decrypt() and RSA_private_encrypt()
4111 should *not* be used: RSA_sign() and RSA_verify() must be used instead.
4112 This necessitated the support of an extra signature type NID_md5_sha1
4113 for SSL signatures and modifications to the SSL library to use it instead
4114 of calling RSA_public_decrypt() and RSA_private_encrypt().
4117 *) Add new -verify -CAfile and -CApath options to the crl program, these
4118 will lookup a CRL issuers certificate and verify the signature in a
4119 similar way to the verify program. Tidy up the crl program so it
4120 no longer accesses structures directly. Make the ASN1 CRL parsing a bit
4121 less strict. It will now permit CRL extensions even if it is not
4122 a V2 CRL: this will allow it to tolerate some broken CRLs.
4125 *) Initialize all non-automatic variables each time one of the openssl
4126 sub-programs is started (this is necessary as they may be started
4127 multiple times from the "OpenSSL>" prompt).
4128 [Lennart Bang, Bodo Moeller]
4130 *) Preliminary compilation option RSA_NULL which disables RSA crypto without
4131 removing all other RSA functionality (this is what NO_RSA does). This
4132 is so (for example) those in the US can disable those operations covered
4133 by the RSA patent while allowing storage and parsing of RSA keys and RSA
4137 *) Non-copying interface to BIO pairs.
4138 (still largely untested)
4141 *) New function ANS1_tag2str() to convert an ASN1 tag to a descriptive
4142 ASCII string. This was handled independently in various places before.
4145 *) New functions UTF8_getc() and UTF8_putc() that parse and generate
4146 UTF8 strings a character at a time.
4149 *) Use client_version from client hello to select the protocol
4150 (s23_srvr.c) and for RSA client key exchange verification
4151 (s3_srvr.c), as required by the SSL 3.0/TLS 1.0 specifications.
4154 *) Add various utility functions to handle SPKACs, these were previously
4155 handled by poking round in the structure internals. Added new function
4156 NETSCAPE_SPKI_print() to print out SPKAC and a new utility 'spkac' to
4157 print, verify and generate SPKACs. Based on an original idea from
4158 Massimiliano Pala <madwolf@comune.modena.it> but extensively modified.
4161 *) RIPEMD160 is operational on all platforms and is back in 'make test'.
4164 *) Allow the config file extension section to be overwritten on the
4165 command line. Based on an original idea from Massimiliano Pala
4166 <madwolf@comune.modena.it>. The new option is called -extensions
4167 and can be applied to ca, req and x509. Also -reqexts to override
4168 the request extensions in req and -crlexts to override the crl extensions
4172 *) Add new feature to the SPKAC handling in ca. Now you can include
4173 the same field multiple times by preceding it by "XXXX." for example:
4176 this is the same syntax as used in the req config file.
4179 *) Allow certificate extensions to be added to certificate requests. These
4180 are specified in a 'req_extensions' option of the req section of the
4181 config file. They can be printed out with the -text option to req but
4182 are otherwise ignored at present.
4185 *) Fix a horrible bug in enc_read() in crypto/evp/bio_enc.c: if the first
4186 data read consists of only the final block it would not decrypted because
4187 EVP_CipherUpdate() would correctly report zero bytes had been decrypted.
4188 A misplaced 'break' also meant the decrypted final block might not be
4189 copied until the next read.
4192 *) Initial support for DH_METHOD. Again based on RSA_METHOD. Also added
4193 a few extra parameters to the DH structure: these will be useful if
4194 for example we want the value of 'q' or implement X9.42 DH.
4197 *) Initial support for DSA_METHOD. This is based on the RSA_METHOD and
4198 provides hooks that allow the default DSA functions or functions on a
4199 "per key" basis to be replaced. This allows hardware acceleration and
4200 hardware key storage to be handled without major modification to the
4201 library. Also added low level modexp hooks and CRYPTO_EX structure and
4202 associated functions.
4205 *) Add a new flag to memory BIOs, BIO_FLAG_MEM_RDONLY. This marks the BIO
4206 as "read only": it can't be written to and the buffer it points to will
4207 not be freed. Reading from a read only BIO is much more efficient than
4208 a normal memory BIO. This was added because there are several times when
4209 an area of memory needs to be read from a BIO. The previous method was
4210 to create a memory BIO and write the data to it, this results in two
4211 copies of the data and an O(n^2) reading algorithm. There is a new
4212 function BIO_new_mem_buf() which creates a read only memory BIO from
4213 an area of memory. Also modified the PKCS#7 routines to use read only
4217 *) Bugfix: ssl23_get_client_hello did not work properly when called in
4218 state SSL23_ST_SR_CLNT_HELLO_B, i.e. when the first 7 bytes of
4219 a SSLv2-compatible client hello for SSLv3 or TLSv1 could be read,
4220 but a retry condition occured while trying to read the rest.
4223 *) The PKCS7_ENC_CONTENT_new() function was setting the content type as
4224 NID_pkcs7_encrypted by default: this was wrong since this should almost
4225 always be NID_pkcs7_data. Also modified the PKCS7_set_type() to handle
4226 the encrypted data type: this is a more sensible place to put it and it
4227 allows the PKCS#12 code to be tidied up that duplicated this
4231 *) Changed obj_dat.pl script so it takes its input and output files on
4232 the command line. This should avoid shell escape redirection problems
4236 *) Initial support for certificate extension requests, these are included
4237 in things like Xenroll certificate requests. Included functions to allow
4238 extensions to be obtained and added.
4241 *) -crlf option to s_client and s_server for sending newlines as
4242 CRLF (as required by many protocols).
4245 Changes between 0.9.3a and 0.9.4 [09 Aug 1999]
4247 *) Install libRSAglue.a when OpenSSL is built with RSAref.
4248 [Ralf S. Engelschall]
4250 *) A few more ``#ifndef NO_FP_API / #endif'' pairs for consistency.
4251 [Andrija Antonijevic <TheAntony2@bigfoot.com>]
4253 *) Fix -startdate and -enddate (which was missing) arguments to 'ca'
4257 *) New function DSA_dup_DH, which duplicates DSA parameters/keys as
4258 DH parameters/keys (q is lost during that conversion, but the resulting
4259 DH parameters contain its length).
4261 For 1024-bit p, DSA_generate_parameters followed by DSA_dup_DH is
4262 much faster than DH_generate_parameters (which creates parameters
4263 where p = 2*q + 1), and also the smaller q makes DH computations
4264 much more efficient (160-bit exponentiation instead of 1024-bit
4265 exponentiation); so this provides a convenient way to support DHE
4266 ciphersuites in SSL/TLS servers (see ssl/ssltest.c). It is of
4267 utter importance to use
4268 SSL_CTX_set_options(s_ctx, SSL_OP_SINGLE_DH_USE);
4270 SSL_set_options(s_ctx, SSL_OP_SINGLE_DH_USE);
4271 when such DH parameters are used, because otherwise small subgroup
4272 attacks may become possible!
4275 *) Avoid memory leak in i2d_DHparams.
4278 *) Allow the -k option to be used more than once in the enc program:
4279 this allows the same encrypted message to be read by multiple recipients.
4282 *) New function OBJ_obj2txt(buf, buf_len, a, no_name), this converts
4283 an ASN1_OBJECT to a text string. If the "no_name" parameter is set then
4284 it will always use the numerical form of the OID, even if it has a short
4288 *) Added an extra RSA flag: RSA_FLAG_EXT_PKEY. Previously the rsa_mod_exp
4289 method only got called if p,q,dmp1,dmq1,iqmp components were present,
4290 otherwise bn_mod_exp was called. In the case of hardware keys for example
4291 no private key components need be present and it might store extra data
4292 in the RSA structure, which cannot be accessed from bn_mod_exp.
4293 By setting RSA_FLAG_EXT_PKEY rsa_mod_exp will always be called for
4294 private key operations.
4297 *) Added support for SPARC Linux.
4300 *) pem_password_cb function type incompatibly changed from
4301 typedef int pem_password_cb(char *buf, int size, int rwflag);
4303 ....(char *buf, int size, int rwflag, void *userdata);
4304 so that applications can pass data to their callbacks:
4305 The PEM[_ASN1]_{read,write}... functions and macros now take an
4306 additional void * argument, which is just handed through whenever
4307 the password callback is called.
4308 [Damien Miller <dmiller@ilogic.com.au>; tiny changes by Bodo Moeller]
4310 New function SSL_CTX_set_default_passwd_cb_userdata.
4312 Compatibility note: As many C implementations push function arguments
4313 onto the stack in reverse order, the new library version is likely to
4314 interoperate with programs that have been compiled with the old
4315 pem_password_cb definition (PEM_whatever takes some data that
4316 happens to be on the stack as its last argument, and the callback
4317 just ignores this garbage); but there is no guarantee whatsoever that
4320 *) The -DPLATFORM="\"$(PLATFORM)\"" definition and the similar -DCFLAGS=...
4321 (both in crypto/Makefile.ssl for use by crypto/cversion.c) caused
4322 problems not only on Windows, but also on some Unix platforms.
4323 To avoid problematic command lines, these definitions are now in an
4324 auto-generated file crypto/buildinf.h (created by crypto/Makefile.ssl
4325 for standard "make" builds, by util/mk1mf.pl for "mk1mf" builds).
4328 *) MIPS III/IV assembler module is reimplemented.
4331 *) More DES library cleanups: remove references to srand/rand and
4332 delete an unused file.
4335 *) Add support for the the free Netwide assembler (NASM) under Win32,
4336 since not many people have MASM (ml) and it can be hard to obtain.
4337 This is currently experimental but it seems to work OK and pass all
4338 the tests. Check out INSTALL.W32 for info.
4341 *) Fix memory leaks in s3_clnt.c: All non-anonymous SSL3/TLS1 connections
4342 without temporary keys kept an extra copy of the server key,
4343 and connections with temporary keys did not free everything in case
4347 *) New function RSA_check_key and new openssl rsa option -check
4348 for verifying the consistency of RSA keys.
4349 [Ulf Moeller, Bodo Moeller]
4351 *) Various changes to make Win32 compile work:
4352 1. Casts to avoid "loss of data" warnings in p5_crpt2.c
4353 2. Change unsigned int to int in b_dump.c to avoid "signed/unsigned
4354 comparison" warnings.
4355 3. Add sk_<TYPE>_sort to DEF file generator and do make update.
4358 *) Add a debugging option to PKCS#5 v2 key generation function: when
4359 you #define DEBUG_PKCS5V2 passwords, salts, iteration counts and
4360 derived keys are printed to stderr.
4363 *) Copy the flags in ASN1_STRING_dup().
4364 [Roman E. Pavlov <pre@mo.msk.ru>]
4366 *) The x509 application mishandled signing requests containing DSA
4367 keys when the signing key was also DSA and the parameters didn't match.
4369 It was supposed to omit the parameters when they matched the signing key:
4370 the verifying software was then supposed to automatically use the CA's
4371 parameters if they were absent from the end user certificate.
4373 Omitting parameters is no longer recommended. The test was also
4374 the wrong way round! This was probably due to unusual behaviour in
4375 EVP_cmp_parameters() which returns 1 if the parameters match.
4376 This meant that parameters were omitted when they *didn't* match and
4377 the certificate was useless. Certificates signed with 'ca' didn't have
4379 [Steve Henson, reported by Doug Erickson <Doug.Erickson@Part.NET>]
4381 *) Memory leak checking (-DCRYPTO_MDEBUG) had some problems.
4382 The interface is as follows:
4383 Applications can use
4384 CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON) aka MemCheck_start(),
4385 CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_OFF) aka MemCheck_stop();
4386 "off" is now the default.
4387 The library internally uses
4388 CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_DISABLE) aka MemCheck_off(),
4389 CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ENABLE) aka MemCheck_on()
4390 to disable memory-checking temporarily.
4392 Some inconsistent states that previously were possible (and were
4393 even the default) are now avoided.
4395 -DCRYPTO_MDEBUG_TIME is new and additionally stores the current time
4396 with each memory chunk allocated; this is occasionally more helpful
4397 than just having a counter.
4399 -DCRYPTO_MDEBUG_THREAD is also new and adds the thread ID.
4401 -DCRYPTO_MDEBUG_ALL enables all of the above, plus any future
4405 *) Introduce "mode" for SSL structures (with defaults in SSL_CTX),
4406 which largely parallels "options", but is for changing API behaviour,
4407 whereas "options" are about protocol behaviour.
4408 Initial "mode" flags are:
4410 SSL_MODE_ENABLE_PARTIAL_WRITE Allow SSL_write to report success when
4411 a single record has been written.
4412 SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER Don't insist that SSL_write
4413 retries use the same buffer location.
4414 (But all of the contents must be
4418 *) Bugfix: SSL_set_options ignored its parameter, only SSL_CTX_set_options
4421 *) Fix problems with no-hmac etc.
4422 [Ulf Möller, pointed out by Brian Wellington <bwelling@tislabs.com>]
4424 *) New functions RSA_get_default_method(), RSA_set_method() and
4425 RSA_get_method(). These allows replacement of RSA_METHODs without having
4426 to mess around with the internals of an RSA structure.
4429 *) Fix memory leaks in DSA_do_sign and DSA_is_prime.
4430 Also really enable memory leak checks in openssl.c and in some
4432 [Chad C. Mulligan, Bodo Moeller]
4434 *) Fix a bug in d2i_ASN1_INTEGER() and i2d_ASN1_INTEGER() which can mess
4435 up the length of negative integers. This has now been simplified to just
4436 store the length when it is first determined and use it later, rather
4437 than trying to keep track of where data is copied and updating it to
4439 [Steve Henson, reported by Brien Wheeler
4440 <bwheeler@authentica-security.com>]
4442 *) Add a new function PKCS7_signatureVerify. This allows the verification
4443 of a PKCS#7 signature but with the signing certificate passed to the
4444 function itself. This contrasts with PKCS7_dataVerify which assumes the
4445 certificate is present in the PKCS#7 structure. This isn't always the
4446 case: certificates can be omitted from a PKCS#7 structure and be
4447 distributed by "out of band" means (such as a certificate database).
4450 *) Complete the PEM_* macros with DECLARE_PEM versions to replace the
4451 function prototypes in pem.h, also change util/mkdef.pl to add the
4452 necessary function names.
4455 *) mk1mf.pl (used by Windows builds) did not properly read the
4456 options set by Configure in the top level Makefile, and Configure
4457 was not even able to write more than one option correctly.
4458 Fixed, now "no-idea no-rc5 -DCRYPTO_MDEBUG" etc. works as intended.
4461 *) New functions CONF_load_bio() and CONF_load_fp() to allow a config
4462 file to be loaded from a BIO or FILE pointer. The BIO version will
4463 for example allow memory BIOs to contain config info.
4466 *) New function "CRYPTO_num_locks" that returns CRYPTO_NUM_LOCKS.
4467 Whoever hopes to achieve shared-library compatibility across versions
4468 must use this, not the compile-time macro.
4469 (Exercise 0.9.4: Which is the minimum library version required by
4471 Note: All this applies only to multi-threaded programs, others don't
4475 *) Add missing case to s3_clnt.c state machine -- one of the new SSL tests
4476 through a BIO pair triggered the default case, i.e.
4477 SSLerr(...,SSL_R_UNKNOWN_STATE).
4480 *) New "BIO pair" concept (crypto/bio/bss_bio.c) so that applications
4481 can use the SSL library even if none of the specific BIOs is
4485 *) Fix a bug in i2d_DSAPublicKey() which meant it returned the wrong value
4486 for the encoded length.
4487 [Jeon KyoungHo <khjeon@sds.samsung.co.kr>]
4489 *) Add initial documentation of the X509V3 functions.
4492 *) Add a new pair of functions PEM_write_PKCS8PrivateKey() and
4493 PEM_write_bio_PKCS8PrivateKey() that are equivalent to
4494 PEM_write_PrivateKey() and PEM_write_bio_PrivateKey() but use the more
4495 secure PKCS#8 private key format with a high iteration count.
4498 *) Fix determination of Perl interpreter: A perl or perl5
4499 _directory_ in $PATH was also accepted as the interpreter.
4500 [Ralf S. Engelschall]
4502 *) Fix demos/sign/sign.c: well there wasn't anything strictly speaking
4503 wrong with it but it was very old and did things like calling
4504 PEM_ASN1_read() directly and used MD5 for the hash not to mention some
4508 *) Fix demos/selfsign.c: it used obsolete and deleted functions, changed
4509 to use the new extension code.
4512 *) Implement the PEM_read/PEM_write functions in crypto/pem/pem_all.c
4513 with macros. This should make it easier to change their form, add extra
4514 arguments etc. Fix a few PEM prototypes which didn't have cipher as a
4518 *) Add to configuration table a new entry that can specify an alternative
4519 name for unistd.h (for pre-POSIX systems); we need this for NeXTstep,
4520 according to Mark Crispin <MRC@Panda.COM>.
4524 *) DES CBC did not update the IV. Weird.
4527 des_cbc_encrypt does not update the IV, but des_ncbc_encrypt does.
4528 Changing the behaviour of the former might break existing programs --
4529 where IV updating is needed, des_ncbc_encrypt can be used.
4532 *) When bntest is run from "make test" it drives bc to check its
4533 calculations, as well as internally checking them. If an internal check
4534 fails, it needs to cause bc to give a non-zero result or make test carries
4535 on without noticing the failure. Fixed.
4538 *) DES library cleanups.
4541 *) Add support for PKCS#5 v2.0 PBE algorithms. This will permit PKCS#8 to be
4542 used with any cipher unlike PKCS#5 v1.5 which can at most handle 64 bit
4543 ciphers. NOTE: although the key derivation function has been verified
4544 against some published test vectors it has not been extensively tested
4545 yet. Added a -v2 "cipher" option to pkcs8 application to allow the use
4549 *) Instead of "mkdir -p", which is not fully portable, use new
4550 Perl script "util/mkdir-p.pl".
4553 *) Rewrite the way password based encryption (PBE) is handled. It used to
4554 assume that the ASN1 AlgorithmIdentifier parameter was a PBEParameter
4555 structure. This was true for the PKCS#5 v1.5 and PKCS#12 PBE algorithms
4556 but doesn't apply to PKCS#5 v2.0 where it can be something else. Now
4557 the 'parameter' field of the AlgorithmIdentifier is passed to the
4558 underlying key generation function so it must do its own ASN1 parsing.
4559 This has also changed the EVP_PBE_CipherInit() function which now has a
4560 'parameter' argument instead of literal salt and iteration count values
4561 and the function EVP_PBE_ALGOR_CipherInit() has been deleted.
4564 *) Support for PKCS#5 v1.5 compatible password based encryption algorithms
4565 and PKCS#8 functionality. New 'pkcs8' application linked to openssl.
4566 Needed to change the PEM_STRING_EVP_PKEY value which was just "PRIVATE
4567 KEY" because this clashed with PKCS#8 unencrypted string. Since this
4568 value was just used as a "magic string" and not used directly its
4569 value doesn't matter.
4572 *) Introduce some semblance of const correctness to BN. Shame C doesn't
4576 *) "linux-sparc64" configuration (ultrapenguin).
4577 [Ray Miller <ray.miller@oucs.ox.ac.uk>]
4578 "linux-sparc" configuration.
4579 [Christian Forster <fo@hawo.stw.uni-erlangen.de>]
4581 *) config now generates no-xxx options for missing ciphers.
4584 *) Support the EBCDIC character set (work in progress).
4585 File ebcdic.c not yet included because it has a different license.
4586 [Martin Kraemer <Martin.Kraemer@MchP.Siemens.De>]
4588 *) Support BS2000/OSD-POSIX.
4589 [Martin Kraemer <Martin.Kraemer@MchP.Siemens.De>]
4591 *) Make callbacks for key generation use void * instead of char *.
4594 *) Make S/MIME samples compile (not yet tested).
4597 *) Additional typesafe stacks.
4600 *) New configuration variants "bsdi-elf-gcc" (BSD/OS 4.x).
4604 Changes between 0.9.3 and 0.9.3a [29 May 1999]
4606 *) New configuration variant "sco5-gcc".
4608 *) Updated some demos.
4609 [Sean O Riordain, Wade Scholine]
4611 *) Add missing BIO_free at exit of pkcs12 application.
4614 *) Fix memory leak in conf.c.
4617 *) Updates for Win32 to assembler version of MD5.
4620 *) Set #! path to perl in apps/der_chop to where we found it
4621 instead of using a fixed path.
4624 *) SHA library changes for irix64-mips4-cc.
4627 *) Improvements for VMS support.
4631 Changes between 0.9.2b and 0.9.3 [24 May 1999]
4633 *) Bignum library bug fix. IRIX 6 passes "make test" now!
4634 This also avoids the problems with SC4.2 and unpatched SC5.
4635 [Andy Polyakov <appro@fy.chalmers.se>]
4637 *) New functions sk_num, sk_value and sk_set to replace the previous macros.
4638 These are required because of the typesafe stack would otherwise break
4639 existing code. If old code used a structure member which used to be STACK
4640 and is now STACK_OF (for example cert in a PKCS7_SIGNED structure) with
4641 sk_num or sk_value it would produce an error because the num, data members
4642 are not present in STACK_OF. Now it just produces a warning. sk_set
4643 replaces the old method of assigning a value to sk_value
4644 (e.g. sk_value(x, i) = y) which the library used in a few cases. Any code
4645 that does this will no longer work (and should use sk_set instead) but
4646 this could be regarded as a "questionable" behaviour anyway.
4649 *) Fix most of the other PKCS#7 bugs. The "experimental" code can now
4650 correctly handle encrypted S/MIME data.
4653 *) Change type of various DES function arguments from des_cblock
4654 (which means, in function argument declarations, pointer to char)
4655 to des_cblock * (meaning pointer to array with 8 char elements),
4656 which allows the compiler to do more typechecking; it was like
4657 that back in SSLeay, but with lots of ugly casts.
4659 Introduce new type const_des_cblock.
4662 *) Reorganise the PKCS#7 library and get rid of some of the more obvious
4663 problems: find RecipientInfo structure that matches recipient certificate
4664 and initialise the ASN1 structures properly based on passed cipher.
4667 *) Belatedly make the BN tests actually check the results.
4670 *) Fix the encoding and decoding of negative ASN1 INTEGERS and conversion
4671 to and from BNs: it was completely broken. New compilation option
4672 NEG_PUBKEY_BUG to allow for some broken certificates that encode public
4673 key elements as negative integers.
4676 *) Reorganize and speed up MD5.
4677 [Andy Polyakov <appro@fy.chalmers.se>]
4680 [Richard Levitte <richard@levitte.org>]
4682 *) New option -out to asn1parse to allow the parsed structure to be
4683 output to a file. This is most useful when combined with the -strparse
4684 option to examine the output of things like OCTET STRINGS.
4687 *) Make SSL library a little more fool-proof by not requiring any longer
4688 that SSL_set_{accept,connect}_state be called before
4689 SSL_{accept,connect} may be used (SSL_set_..._state is omitted
4690 in many applications because usually everything *appeared* to work as
4691 intended anyway -- now it really works as intended).
4694 *) Move openssl.cnf out of lib/.
4697 *) Fix various things to let OpenSSL even pass ``egcc -pipe -O2 -Wall
4698 -Wshadow -Wpointer-arith -Wcast-align -Wmissing-prototypes
4699 -Wmissing-declarations -Wnested-externs -Winline'' with EGCS 1.1.2+
4700 [Ralf S. Engelschall]
4702 *) Various fixes to the EVP and PKCS#7 code. It may now be able to
4703 handle PKCS#7 enveloped data properly.
4704 [Sebastian Akerman <sak@parallelconsulting.com>, modified by Steve]
4706 *) Create a duplicate of the SSL_CTX's CERT in SSL_new instead of
4707 copying pointers. The cert_st handling is changed by this in
4708 various ways (and thus what used to be known as ctx->default_cert
4709 is now called ctx->cert, since we don't resort to s->ctx->[default_]cert
4710 any longer when s->cert does not give us what we need).
4711 ssl_cert_instantiate becomes obsolete by this change.
4712 As soon as we've got the new code right (possibly it already is?),
4713 we have solved a couple of bugs of the earlier code where s->cert
4714 was used as if it could not have been shared with other SSL structures.
4716 Note that using the SSL API in certain dirty ways now will result
4717 in different behaviour than observed with earlier library versions:
4718 Changing settings for an SSL_CTX *ctx after having done s = SSL_new(ctx)
4719 does not influence s as it used to.
4721 In order to clean up things more thoroughly, inside SSL_SESSION
4722 we don't use CERT any longer, but a new structure SESS_CERT
4723 that holds per-session data (if available); currently, this is
4724 the peer's certificate chain and, for clients, the server's certificate
4725 and temporary key. CERT holds only those values that can have
4726 meaningful defaults in an SSL_CTX.
4729 *) New function X509V3_EXT_i2d() to create an X509_EXTENSION structure
4730 from the internal representation. Various PKCS#7 fixes: remove some
4731 evil casts and set the enc_dig_alg field properly based on the signing
4735 *) Allow PKCS#12 password to be set from the command line or the
4736 environment. Let 'ca' get its config file name from the environment
4737 variables "OPENSSL_CONF" or "SSLEAY_CONF" (for consistency with 'req'
4741 *) Allow certificate policies extension to use an IA5STRING for the
4742 organization field. This is contrary to the PKIX definition but
4743 VeriSign uses it and IE5 only recognises this form. Document 'x509'
4747 *) Add PEDANTIC compiler flag to allow compilation with gcc -pedantic,
4748 without disallowing inline assembler and the like for non-pedantic builds.
4751 *) Support Borland C++ builder.
4752 [Janez Jere <jj@void.si>, modified by Ulf Möller]
4757 *) SHA-1 cleanups and performance enhancements.
4758 [Andy Polyakov <appro@fy.chalmers.se>]
4760 *) Sparc v8plus assembler for the bignum library.
4761 [Andy Polyakov <appro@fy.chalmers.se>]
4763 *) Accept any -xxx and +xxx compiler options in Configure.
4766 *) Update HPUX configuration.
4769 *) Add missing sk_<type>_unshift() function to safestack.h
4770 [Ralf S. Engelschall]
4772 *) New function SSL_CTX_use_certificate_chain_file that sets the
4773 "extra_cert"s in addition to the certificate. (This makes sense
4774 only for "PEM" format files, as chains as a whole are not
4778 *) Support verify_depth from the SSL API.
4779 x509_vfy.c had what can be considered an off-by-one-error:
4780 Its depth (which was not part of the external interface)
4781 was actually counting the number of certificates in a chain;
4782 now it really counts the depth.
4785 *) Bugfix in crypto/x509/x509_cmp.c: The SSLerr macro was used
4786 instead of X509err, which often resulted in confusing error
4787 messages since the error codes are not globally unique
4788 (e.g. an alleged error in ssl3_accept when a certificate
4789 didn't match the private key).
4791 *) New function SSL_CTX_set_session_id_context that allows to set a default
4792 value (so that you don't need SSL_set_session_id_context for each
4793 connection using the SSL_CTX).
4796 *) OAEP decoding bug fix.
4799 *) Support INSTALL_PREFIX for package builders, as proposed by
4803 *) New Configure options "threads" and "no-threads". For systems
4804 where the proper compiler options are known (currently Solaris
4805 and Linux), "threads" is the default.
4808 *) New script util/mklink.pl as a faster substitute for util/mklink.sh.
4811 *) Install various scripts to $(OPENSSLDIR)/misc, not to
4812 $(INSTALLTOP)/bin -- they shouldn't clutter directories
4813 such as /usr/local/bin.
4816 *) "make linux-shared" to build shared libraries.
4817 [Niels Poppe <niels@netbox.org>]
4819 *) New Configure option no-<cipher> (rsa, idea, rc5, ...).
4822 *) Add the PKCS#12 API documentation to openssl.txt. Preliminary support for
4823 extension adding in x509 utility.
4826 *) Remove NOPROTO sections and error code comments.
4829 *) Partial rewrite of the DEF file generator to now parse the ANSI
4833 *) New Configure options --prefix=DIR and --openssldir=DIR.
4836 *) Complete rewrite of the error code script(s). It is all now handled
4837 by one script at the top level which handles error code gathering,
4838 header rewriting and C source file generation. It should be much better
4839 than the old method: it now uses a modified version of Ulf's parser to
4840 read the ANSI prototypes in all header files (thus the old K&R definitions
4841 aren't needed for error creation any more) and do a better job of
4842 translating function codes into names. The old 'ASN1 error code imbedded
4843 in a comment' is no longer necessary and it doesn't use .err files which
4844 have now been deleted. Also the error code call doesn't have to appear all
4845 on one line (which resulted in some large lines...).
4848 *) Change #include filenames from <foo.h> to <openssl/foo.h>.
4851 *) Change behaviour of ssl2_read when facing length-0 packets: Don't return
4852 0 (which usually indicates a closed connection), but continue reading.
4855 *) Fix some race conditions.
4858 *) Add support for CRL distribution points extension. Add Certificate
4859 Policies and CRL distribution points documentation.
4862 *) Move the autogenerated header file parts to crypto/opensslconf.h.
4865 *) Fix new 56-bit DES export ciphersuites: they were using 7 bytes instead of
4866 8 of keying material. Merlin has also confirmed interop with this fix
4867 between OpenSSL and Baltimore C/SSL 2.0 and J/SSL 2.0.
4868 [Merlin Hughes <merlin@baltimore.ie>]
4870 *) Fix lots of warnings.
4871 [Richard Levitte <levitte@stacken.kth.se>]
4873 *) In add_cert_dir() in crypto/x509/by_dir.c, break out of the loop if
4874 the directory spec didn't end with a LIST_SEPARATOR_CHAR.
4875 [Richard Levitte <levitte@stacken.kth.se>]
4877 *) Fix problems with sizeof(long) == 8.
4878 [Andy Polyakov <appro@fy.chalmers.se>]
4880 *) Change functions to ANSI C.
4883 *) Fix typos in error codes.
4884 [Martin Kraemer <Martin.Kraemer@MchP.Siemens.De>, Ulf Möller]
4886 *) Remove defunct assembler files from Configure.
4889 *) SPARC v8 assembler BIGNUM implementation.
4890 [Andy Polyakov <appro@fy.chalmers.se>]
4892 *) Support for Certificate Policies extension: both print and set.
4893 Various additions to support the r2i method this uses.
4896 *) A lot of constification, and fix a bug in X509_NAME_oneline() that could
4897 return a const string when you are expecting an allocated buffer.
4900 *) Add support for ASN1 types UTF8String and VISIBLESTRING, also the CHOICE
4901 types DirectoryString and DisplayText.
4904 *) Add code to allow r2i extensions to access the configuration database,
4905 add an LHASH database driver and add several ctx helper functions.
4908 *) Fix an evil bug in bn_expand2() which caused various BN functions to
4909 fail when they extended the size of a BIGNUM.
4912 *) Various utility functions to handle SXNet extension. Modify mkdef.pl to
4913 support typesafe stack.
4916 *) Fix typo in SSL_[gs]et_options().
4917 [Nils Frostberg <nils@medcom.se>]
4919 *) Delete various functions and files that belonged to the (now obsolete)
4920 old X509V3 handling code.
4923 *) New Configure option "rsaref".
4926 *) Don't auto-generate pem.h.
4929 *) Introduce type-safe ASN.1 SETs.
4932 *) Convert various additional casted stacks to type-safe STACK_OF() variants.
4933 [Ben Laurie, Ralf S. Engelschall, Steve Henson]
4935 *) Introduce type-safe STACKs. This will almost certainly break lots of code
4936 that links with OpenSSL (well at least cause lots of warnings), but fear
4937 not: the conversion is trivial, and it eliminates loads of evil casts. A
4938 few STACKed things have been converted already. Feel free to convert more.
4939 In the fullness of time, I'll do away with the STACK type altogether.
4942 *) Add `openssl ca -revoke <certfile>' facility which revokes a certificate
4943 specified in <certfile> by updating the entry in the index.txt file.
4944 This way one no longer has to edit the index.txt file manually for
4945 revoking a certificate. The -revoke option does the gory details now.
4946 [Massimiliano Pala <madwolf@openca.org>, Ralf S. Engelschall]
4948 *) Fix `openssl crl -noout -text' combination where `-noout' killed the
4949 `-text' option at all and this way the `-noout -text' combination was
4950 inconsistent in `openssl crl' with the friends in `openssl x509|rsa|dsa'.
4951 [Ralf S. Engelschall]
4953 *) Make sure a corresponding plain text error message exists for the
4954 X509_V_ERR_CERT_REVOKED/23 error number which can occur when a
4955 verify callback function determined that a certificate was revoked.
4956 [Ralf S. Engelschall]
4958 *) Bugfix: In test/testenc, don't test "openssl <cipher>" for
4959 ciphers that were excluded, e.g. by -DNO_IDEA. Also, test
4960 all available cipers including rc5, which was forgotten until now.
4961 In order to let the testing shell script know which algorithms
4962 are available, a new (up to now undocumented) command
4963 "openssl list-cipher-commands" is used.
4966 *) Bugfix: s_client occasionally would sleep in select() when
4967 it should have checked SSL_pending() first.
4970 *) New functions DSA_do_sign and DSA_do_verify to provide access to
4971 the raw DSA values prior to ASN.1 encoding.
4974 *) Tweaks to Configure
4975 [Niels Poppe <niels@netbox.org>]
4977 *) Add support for PKCS#5 v2.0 ASN1 PBES2 structures. No other support,
4981 *) New variables $(RANLIB) and $(PERL) in the Makefiles.
4984 *) New config option to avoid instructions that are illegal on the 80386.
4985 The default code is faster, but requires at least a 486.
4988 *) Got rid of old SSL2_CLIENT_VERSION (inconsistently used) and
4989 SSL2_SERVER_VERSION (not used at all) macros, which are now the
4990 same as SSL2_VERSION anyway.
4993 *) New "-showcerts" option for s_client.
4996 *) Still more PKCS#12 integration. Add pkcs12 application to openssl
4997 application. Various cleanups and fixes.
5000 *) More PKCS#12 integration. Add new pkcs12 directory with Makefile.ssl and
5001 modify error routines to work internally. Add error codes and PBE init
5002 to library startup routines.
5005 *) Further PKCS#12 integration. Added password based encryption, PKCS#8 and
5006 packing functions to asn1 and evp. Changed function names and error
5007 codes along the way.
5010 *) PKCS12 integration: and so it begins... First of several patches to
5011 slowly integrate PKCS#12 functionality into OpenSSL. Add PKCS#12
5012 objects to objects.h
5015 *) Add a new 'indent' option to some X509V3 extension code. Initial ASN1
5016 and display support for Thawte strong extranet extension.
5019 *) Add LinuxPPC support.
5020 [Jeff Dubrule <igor@pobox.org>]
5022 *) Get rid of redundant BN file bn_mulw.c, and rename bn_div64 to
5023 bn_div_words in alpha.s.
5024 [Hannes Reinecke <H.Reinecke@hw.ac.uk> and Ben Laurie]
5026 *) Make sure the RSA OAEP test is skipped under -DRSAref because
5027 OAEP isn't supported when OpenSSL is built with RSAref.
5028 [Ulf Moeller <ulf@fitug.de>]
5030 *) Move definitions of IS_SET/IS_SEQUENCE inside crypto/asn1/asn1.h
5031 so they no longer are missing under -DNOPROTO.
5032 [Soren S. Jorvang <soren@t.dk>]
5035 Changes between 0.9.1c and 0.9.2b [22 Mar 1999]
5037 *) Make SSL_get_peer_cert_chain() work in servers. Unfortunately, it still
5038 doesn't work when the session is reused. Coming soon!
5041 *) Fix a security hole, that allows sessions to be reused in the wrong
5042 context thus bypassing client cert protection! All software that uses
5043 client certs and session caches in multiple contexts NEEDS PATCHING to
5044 allow session reuse! A fuller solution is in the works.
5045 [Ben Laurie, problem pointed out by Holger Reif, Bodo Moeller (and ???)]
5047 *) Some more source tree cleanups (removed obsolete files
5048 crypto/bf/asm/bf586.pl, test/test.txt and crypto/sha/asm/f.s; changed
5049 permission on "config" script to be executable) and a fix for the INSTALL
5051 [Ulf Moeller <ulf@fitug.de>]
5053 *) Remove some legacy and erroneous uses of malloc, free instead of
5055 [Lennart Bang <lob@netstream.se>, with minor changes by Steve]
5057 *) Make rsa_oaep_test return non-zero on error.
5058 [Ulf Moeller <ulf@fitug.de>]
5060 *) Add support for native Solaris shared libraries. Configure
5061 solaris-sparc-sc4-pic, make, then run shlib/solaris-sc4.sh. It'd be nice
5062 if someone would make that last step automatic.
5063 [Matthias Loepfe <Matthias.Loepfe@AdNovum.CH>]
5065 *) ctx_size was not built with the right compiler during "make links". Fixed.
5068 *) Change the meaning of 'ALL' in the cipher list. It now means "everything
5069 except NULL ciphers". This means the default cipher list will no longer
5070 enable NULL ciphers. They need to be specifically enabled e.g. with
5071 the string "DEFAULT:eNULL".
5074 *) Fix to RSA private encryption routines: if p < q then it would
5075 occasionally produce an invalid result. This will only happen with
5076 externally generated keys because OpenSSL (and SSLeay) ensure p > q.
5079 *) Be less restrictive and allow also `perl util/perlpath.pl
5080 /path/to/bin/perl' in addition to `perl util/perlpath.pl /path/to/bin',
5081 because this way one can also use an interpreter named `perl5' (which is
5082 usually the name of Perl 5.xxx on platforms where an Perl 4.x is still
5083 installed as `perl').
5084 [Matthias Loepfe <Matthias.Loepfe@adnovum.ch>]
5086 *) Let util/clean-depend.pl work also with older Perl 5.00x versions.
5087 [Matthias Loepfe <Matthias.Loepfe@adnovum.ch>]
5089 *) Fix Makefile.org so CC,CFLAG etc are passed to 'make links' add
5090 advapi32.lib to Win32 build and change the pem test comparision
5091 to fc.exe (thanks to Ulrich Kroener <kroneru@yahoo.com> for the
5092 suggestion). Fix misplaced ASNI prototypes and declarations in evp.h
5093 and crypto/des/ede_cbcm_enc.c.
5096 *) DES quad checksum was broken on big-endian architectures. Fixed.
5099 *) Comment out two functions in bio.h that aren't implemented. Fix up the
5100 Win32 test batch file so it (might) work again. The Win32 test batch file
5101 is horrible: I feel ill....
5104 *) Move various #ifdefs around so NO_SYSLOG, NO_DIRENT etc are now selected
5105 in e_os.h. Audit of header files to check ANSI and non ANSI
5106 sections: 10 functions were absent from non ANSI section and not exported
5107 from Windows DLLs. Fixed up libeay.num for new functions.
5110 *) Make `openssl version' output lines consistent.
5111 [Ralf S. Engelschall]
5113 *) Fix Win32 symbol export lists for BIO functions: Added
5114 BIO_get_ex_new_index, BIO_get_ex_num, BIO_get_ex_data and BIO_set_ex_data
5115 to ms/libeay{16,32}.def.
5116 [Ralf S. Engelschall]
5118 *) Second round of fixing the OpenSSL perl/ stuff. It now at least compiled
5119 fine under Unix and passes some trivial tests I've now added. But the
5120 whole stuff is horribly incomplete, so a README.1ST with a disclaimer was
5121 added to make sure no one expects that this stuff really works in the
5122 OpenSSL 0.9.2 release. Additionally I've started to clean the XS sources
5123 up and fixed a few little bugs and inconsistencies in OpenSSL.{pm,xs} and
5125 [Ralf S. Engelschall]
5127 *) Fix the generation of two part addresses in perl.
5128 [Kenji Miyake <kenji@miyake.org>, integrated by Ben Laurie]
5130 *) Add config entry for Linux on MIPS.
5131 [John Tobey <jtobey@channel1.com>]
5133 *) Make links whenever Configure is run, unless we are on Windoze.
5136 *) Permit extensions to be added to CRLs using crl_section in openssl.cnf.
5137 Currently only issuerAltName and AuthorityKeyIdentifier make any sense
5141 *) Add a useful kludge to allow package maintainers to specify compiler and
5142 other platforms details on the command line without having to patch the
5143 Configure script everytime: One now can use ``perl Configure
5144 <id>:<details>'', i.e. platform ids are allowed to have details appended
5145 to them (seperated by colons). This is treated as there would be a static
5146 pre-configured entry in Configure's %table under key <id> with value
5147 <details> and ``perl Configure <id>'' is called. So, when you want to
5148 perform a quick test-compile under FreeBSD 3.1 with pgcc and without
5149 assembler stuff you can use ``perl Configure "FreeBSD-elf:pgcc:-O6:::"''
5150 now, which overrides the FreeBSD-elf entry on-the-fly.
5151 [Ralf S. Engelschall]
5153 *) Disable new TLS1 ciphersuites by default: they aren't official yet.
5156 *) Allow DSO flags like -fpic, -fPIC, -KPIC etc. to be specified
5157 on the `perl Configure ...' command line. This way one can compile
5158 OpenSSL libraries with Position Independent Code (PIC) which is needed
5159 for linking it into DSOs.
5160 [Ralf S. Engelschall]
5162 *) Remarkably, export ciphers were totally broken and no-one had noticed!
5166 *) Cleaned up the LICENSE document: The official contact for any license
5167 questions now is the OpenSSL core team under openssl-core@openssl.org.
5168 And add a paragraph about the dual-license situation to make sure people
5169 recognize that _BOTH_ the OpenSSL license _AND_ the SSLeay license apply
5170 to the OpenSSL toolkit.
5171 [Ralf S. Engelschall]
5173 *) General source tree makefile cleanups: Made `making xxx in yyy...'
5174 display consistent in the source tree and replaced `/bin/rm' by `rm'.
5175 Additonally cleaned up the `make links' target: Remove unnecessary
5176 semicolons, subsequent redundant removes, inline point.sh into mklink.sh
5177 to speed processing and no longer clutter the display with confusing
5178 stuff. Instead only the actually done links are displayed.
5179 [Ralf S. Engelschall]
5181 *) Permit null encryption ciphersuites, used for authentication only. It used
5182 to be necessary to set the preprocessor define SSL_ALLOW_ENULL to do this.
5183 It is now necessary to set SSL_FORBID_ENULL to prevent the use of null
5187 *) Add a bunch of fixes to the PKCS#7 stuff. It used to sometimes reorder
5188 signed attributes when verifying signatures (this would break them),
5189 the detached data encoding was wrong and public keys obtained using
5190 X509_get_pubkey() weren't freed.
5193 *) Add text documentation for the BUFFER functions. Also added a work around
5194 to a Win95 console bug. This was triggered by the password read stuff: the
5195 last character typed gets carried over to the next fread(). If you were
5196 generating a new cert request using 'req' for example then the last
5197 character of the passphrase would be CR which would then enter the first
5201 *) Added the new `Includes OpenSSL Cryptography Software' button as
5202 doc/openssl_button.{gif,html} which is similar in style to the old SSLeay
5203 button and can be used by applications based on OpenSSL to show the
5204 relationship to the OpenSSL project.
5205 [Ralf S. Engelschall]
5207 *) Remove confusing variables in function signatures in files
5208 ssl/ssl_lib.c and ssl/ssl.h.
5209 [Lennart Bong <lob@kulthea.stacken.kth.se>]
5211 *) Don't install bss_file.c under PREFIX/include/
5212 [Lennart Bong <lob@kulthea.stacken.kth.se>]
5214 *) Get the Win32 compile working again. Modify mkdef.pl so it can handle
5215 functions that return function pointers and has support for NT specific
5216 stuff. Fix mk1mf.pl and VC-32.pl to support NT differences also. Various
5217 #ifdef WIN32 and WINNTs sprinkled about the place and some changes from
5218 unsigned to signed types: this was killing the Win32 compile.
5221 *) Add new certificate file to stack functions,
5222 SSL_add_dir_cert_subjects_to_stack() and
5223 SSL_add_file_cert_subjects_to_stack(). These largely supplant
5224 SSL_load_client_CA_file(), and can be used to add multiple certs easily
5225 to a stack (usually this is then handed to SSL_CTX_set_client_CA_list()).
5226 This means that Apache-SSL and similar packages don't have to mess around
5227 to add as many CAs as they want to the preferred list.
5230 *) Experiment with doxygen documentation. Currently only partially applied to
5232 See http://www.stack.nl/~dimitri/doxygen/index.html, and run doxygen with
5233 openssl.doxy as the configuration file.
5236 *) Get rid of remaining C++-style comments which strict C compilers hate.
5237 [Ralf S. Engelschall, pointed out by Carlos Amengual]
5239 *) Changed BN_RECURSION in bn_mont.c to BN_RECURSION_MONT so it is not
5240 compiled in by default: it has problems with large keys.
5243 *) Add a bunch of SSL_xxx() functions for configuring the temporary RSA and
5244 DH private keys and/or callback functions which directly correspond to
5245 their SSL_CTX_xxx() counterparts but work on a per-connection basis. This
5246 is needed for applications which have to configure certificates on a
5247 per-connection basis (e.g. Apache+mod_ssl) instead of a per-context basis
5249 For the RSA certificate situation is makes no difference, but
5250 for the DSA certificate situation this fixes the "no shared cipher"
5251 problem where the OpenSSL cipher selection procedure failed because the
5252 temporary keys were not overtaken from the context and the API provided
5253 no way to reconfigure them.
5254 The new functions now let applications reconfigure the stuff and they
5255 are in detail: SSL_need_tmp_RSA, SSL_set_tmp_rsa, SSL_set_tmp_dh,
5256 SSL_set_tmp_rsa_callback and SSL_set_tmp_dh_callback. Additionally a new
5257 non-public-API function ssl_cert_instantiate() is used as a helper
5258 function and also to reduce code redundancy inside ssl_rsa.c.
5259 [Ralf S. Engelschall]
5261 *) Move s_server -dcert and -dkey options out of the undocumented feature
5262 area because they are useful for the DSA situation and should be
5263 recognized by the users.
5264 [Ralf S. Engelschall]
5266 *) Fix the cipher decision scheme for export ciphers: the export bits are
5267 *not* within SSL_MKEY_MASK or SSL_AUTH_MASK, they are within
5268 SSL_EXP_MASK. So, the original variable has to be used instead of the
5269 already masked variable.
5270 [Richard Levitte <levitte@stacken.kth.se>]
5272 *) Fix 'port' variable from `int' to `unsigned int' in crypto/bio/b_sock.c
5273 [Richard Levitte <levitte@stacken.kth.se>]
5275 *) Change type of another md_len variable in pk7_doit.c:PKCS7_dataFinal()
5276 from `int' to `unsigned int' because it's a length and initialized by
5277 EVP_DigestFinal() which expects an `unsigned int *'.
5278 [Richard Levitte <levitte@stacken.kth.se>]
5280 *) Don't hard-code path to Perl interpreter on shebang line of Configure
5281 script. Instead use the usual Shell->Perl transition trick.
5282 [Ralf S. Engelschall]
5284 *) Make `openssl x509 -noout -modulus' functional also for DSA certificates
5285 (in addition to RSA certificates) to match the behaviour of `openssl dsa
5286 -noout -modulus' as it's already the case for `openssl rsa -noout
5287 -modulus'. For RSA the -modulus is the real "modulus" while for DSA
5288 currently the public key is printed (a decision which was already done by
5289 `openssl dsa -modulus' in the past) which serves a similar purpose.
5290 Additionally the NO_RSA no longer completely removes the whole -modulus
5291 option; it now only avoids using the RSA stuff. Same applies to NO_DSA
5293 [Ralf S. Engelschall]
5295 *) Add Arne Ansper's reliable BIO - this is an encrypted, block-digested
5296 BIO. See the source (crypto/evp/bio_ok.c) for more info.
5297 [Arne Ansper <arne@ats.cyber.ee>]
5299 *) Dump the old yucky req code that tried (and failed) to allow raw OIDs
5300 to be added. Now both 'req' and 'ca' can use new objects defined in the
5304 *) Add cool BIO that does syslog (or event log on NT).
5305 [Arne Ansper <arne@ats.cyber.ee>, integrated by Ben Laurie]
5307 *) Add support for new TLS ciphersuites, TLS_RSA_EXPORT56_WITH_RC4_56_MD5,
5308 TLS_RSA_EXPORT56_WITH_RC2_CBC_56_MD5 and
5309 TLS_RSA_EXPORT56_WITH_DES_CBC_SHA, as specified in "56-bit Export Cipher
5310 Suites For TLS", draft-ietf-tls-56-bit-ciphersuites-00.txt.
5313 *) Add preliminary config info for new extension code.
5316 *) Make RSA_NO_PADDING really use no padding.
5317 [Ulf Moeller <ulf@fitug.de>]
5319 *) Generate errors when private/public key check is done.
5322 *) Overhaul for 'crl' utility. New function X509_CRL_print. Partial support
5323 for some CRL extensions and new objects added.
5326 *) Really fix the ASN1 IMPLICIT bug this time... Partial support for private
5327 key usage extension and fuller support for authority key id.
5330 *) Add OAEP encryption for the OpenSSL crypto library. OAEP is the improved
5331 padding method for RSA, which is recommended for new applications in PKCS
5332 #1 v2.0 (RFC 2437, October 1998).
5333 OAEP (Optimal Asymmetric Encryption Padding) has better theoretical
5334 foundations than the ad-hoc padding used in PKCS #1 v1.5. It is secure
5335 against Bleichbacher's attack on RSA.
5336 [Ulf Moeller <ulf@fitug.de>, reformatted, corrected and integrated by
5339 *) Updates to the new SSL compression code
5340 [Eric A. Young, (from changes to C2Net SSLeay, integrated by Mark Cox)]
5342 *) Fix so that the version number in the master secret, when passed
5343 via RSA, checks that if TLS was proposed, but we roll back to SSLv3
5344 (because the server will not accept higher), that the version number
5345 is 0x03,0x01, not 0x03,0x00
5346 [Eric A. Young, (from changes to C2Net SSLeay, integrated by Mark Cox)]
5348 *) Run extensive memory leak checks on SSL apps. Fixed *lots* of memory
5349 leaks in ssl/ relating to new X509_get_pubkey() behaviour. Also fixes
5350 in apps/ and an unrelated leak in crypto/dsa/dsa_vrf.c
5353 *) Support for RAW extensions where an arbitrary extension can be
5354 created by including its DER encoding. See apps/openssl.cnf for
5358 *) Make sure latest Perl versions don't interpret some generated C array
5359 code as Perl array code in the crypto/err/err_genc.pl script.
5360 [Lars Weber <3weber@informatik.uni-hamburg.de>]
5362 *) Modify ms/do_ms.bat to not generate assembly language makefiles since
5363 not many people have the assembler. Various Win32 compilation fixes and
5364 update to the INSTALL.W32 file with (hopefully) more accurate Win32
5368 *) Modify configure script 'Configure' to automatically create crypto/date.h
5369 file under Win32 and also build pem.h from pem.org. New script
5370 util/mkfiles.pl to create the MINFO file on environments that can't do a
5371 'make files': perl util/mkfiles.pl >MINFO should work.
5374 *) Major rework of DES function declarations, in the pursuit of correctness
5375 and purity. As a result, many evil casts evaporated, and some weirdness,
5376 too. You may find this causes warnings in your code. Zapping your evil
5377 casts will probably fix them. Mostly.
5380 *) Fix for a typo in asn1.h. Bug fix to object creation script
5381 obj_dat.pl. It considered a zero in an object definition to mean
5382 "end of object": none of the objects in objects.h have any zeros
5383 so it wasn't spotted.
5384 [Steve Henson, reported by Erwann ABALEA <eabalea@certplus.com>]
5386 *) Add support for Triple DES Cipher Block Chaining with Output Feedback
5387 Masking (CBCM). In the absence of test vectors, the best I have been able
5388 to do is check that the decrypt undoes the encrypt, so far. Send me test
5389 vectors if you have them.
5392 *) Correct calculation of key length for export ciphers (too much space was
5393 allocated for null ciphers). This has not been tested!
5396 *) Modifications to the mkdef.pl for Win32 DEF file creation. The usage
5397 message is now correct (it understands "crypto" and "ssl" on its
5398 command line). There is also now an "update" option. This will update
5399 the util/ssleay.num and util/libeay.num files with any new functions.
5401 perl util/mkdef.pl crypto ssl update
5402 it will update them.
5405 *) Overhauled the Perl interface (perl/*):
5406 - ported BN stuff to OpenSSL's different BN library
5407 - made the perl/ source tree CVS-aware
5408 - renamed the package from SSLeay to OpenSSL (the files still contain
5409 their history because I've copied them in the repository)
5410 - removed obsolete files (the test scripts will be replaced
5411 by better Test::Harness variants in the future)
5412 [Ralf S. Engelschall]
5414 *) First cut for a very conservative source tree cleanup:
5415 1. merge various obsolete readme texts into doc/ssleay.txt
5416 where we collect the old documents and readme texts.
5417 2. remove the first part of files where I'm already sure that we no
5418 longer need them because of three reasons: either they are just temporary
5419 files which were left by Eric or they are preserved original files where
5420 I've verified that the diff is also available in the CVS via "cvs diff
5421 -rSSLeay_0_8_1b" or they were renamed (as it was definitely the case for
5422 the crypto/md/ stuff).
5423 [Ralf S. Engelschall]
5425 *) More extension code. Incomplete support for subject and issuer alt
5426 name, issuer and authority key id. Change the i2v function parameters
5427 and add an extra 'crl' parameter in the X509V3_CTX structure: guess
5428 what that's for :-) Fix to ASN1 macro which messed up
5429 IMPLICIT tag and add f_enum.c which adds a2i, i2a for ENUMERATED.
5432 *) Preliminary support for ENUMERATED type. This is largely copied from the
5436 *) Add new function, EVP_MD_CTX_copy() to replace frequent use of memcpy.
5437 [Eric A. Young, (from changes to C2Net SSLeay, integrated by Mark Cox)]
5439 *) Make sure `make rehash' target really finds the `openssl' program.
5440 [Ralf S. Engelschall, Matthias Loepfe <Matthias.Loepfe@adnovum.ch>]
5442 *) Squeeze another 7% of speed out of MD5 assembler, at least on a P2. I'd
5443 like to hear about it if this slows down other processors.
5446 *) Add CygWin32 platform information to Configure script.
5447 [Alan Batie <batie@aahz.jf.intel.com>]
5449 *) Fixed ms/32all.bat script: `no_asm' -> `no-asm'
5450 [Rainer W. Gerling <gerling@mpg-gv.mpg.de>]
5452 *) New program nseq to manipulate netscape certificate sequences
5455 *) Modify crl2pkcs7 so it supports multiple -certfile arguments. Fix a
5459 *) Fixes to BN code. Previously the default was to define BN_RECURSION
5460 but the BN code had some problems that would cause failures when
5461 doing certificate verification and some other functions.
5462 [Eric A. Young, (from changes to C2Net SSLeay, integrated by Mark Cox)]
5464 *) Add ASN1 and PEM code to support netscape certificate sequences.
5467 *) Add ASN1 and PEM code to support netscape certificate sequences.
5470 *) Add several PKIX and private extended key usage OIDs.
5473 *) Modify the 'ca' program to handle the new extension code. Modify
5474 openssl.cnf for new extension format, add comments.
5477 *) More X509 V3 changes. Fix typo in v3_bitstr.c. Add support to 'req'
5478 and add a sample to openssl.cnf so req -x509 now adds appropriate
5482 *) Continued X509 V3 changes. Add to other makefiles, integrate with the
5483 error code, add initial support to X509_print() and x509 application.
5486 *) Takes a deep breath and start addding X509 V3 extension support code. Add
5487 files in crypto/x509v3. Move original stuff to crypto/x509v3/old. All this
5488 stuff is currently isolated and isn't even compiled yet.
5491 *) Continuing patches for GeneralizedTime. Fix up certificate and CRL
5492 ASN1 to use ASN1_TIME and modify print routines to use ASN1_TIME_print.
5493 Removed the versions check from X509 routines when loading extensions:
5494 this allows certain broken certificates that don't set the version
5495 properly to be processed.
5498 *) Deal with irritating shit to do with dependencies, in YAAHW (Yet Another
5499 Ad Hoc Way) - Makefile.ssls now all contain local dependencies, which
5500 can still be regenerated with "make depend".
5503 *) Spelling mistake in C version of CAST-128.
5504 [Ben Laurie, reported by Jeremy Hylton <jeremy@cnri.reston.va.us>]
5506 *) Changes to the error generation code. The perl script err-code.pl
5507 now reads in the old error codes and retains the old numbers, only
5508 adding new ones if necessary. It also only changes the .err files if new
5509 codes are added. The makefiles have been modified to only insert errors
5510 when needed (to avoid needlessly modifying header files). This is done
5511 by only inserting errors if the .err file is newer than the auto generated
5512 C file. To rebuild all the error codes from scratch (the old behaviour)
5513 either modify crypto/Makefile.ssl to pass the -regen flag to err_code.pl
5514 or delete all the .err files.
5517 *) CAST-128 was incorrectly implemented for short keys. The C version has
5518 been fixed, but is untested. The assembler versions are also fixed, but
5519 new assembler HAS NOT BEEN GENERATED FOR WIN32 - the Makefile needs fixing
5520 to regenerate it if needed.
5521 [Ben Laurie, reported (with fix for C version) by Jun-ichiro itojun
5522 Hagino <itojun@kame.net>]
5524 *) File was opened incorrectly in randfile.c.
5525 [Ulf Möller <ulf@fitug.de>]
5527 *) Beginning of support for GeneralizedTime. d2i, i2d, check and print
5528 functions. Also ASN1_TIME suite which is a CHOICE of UTCTime or
5529 GeneralizedTime. ASN1_TIME is the proper type used in certificates et
5530 al: it's just almost always a UTCTime. Note this patch adds new error
5531 codes so do a "make errors" if there are problems.
5534 *) Correct Linux 1 recognition in config.
5535 [Ulf Möller <ulf@fitug.de>]
5537 *) Remove pointless MD5 hash when using DSA keys in ca.
5538 [Anonymous <nobody@replay.com>]
5540 *) Generate an error if given an empty string as a cert directory. Also
5541 generate an error if handed NULL (previously returned 0 to indicate an
5542 error, but didn't set one).
5543 [Ben Laurie, reported by Anonymous <nobody@replay.com>]
5545 *) Add prototypes to SSL methods. Make SSL_write's buffer const, at last.
5548 *) Fix the dummy function BN_ref_mod_exp() in rsaref.c to have the correct
5549 parameters. This was causing a warning which killed off the Win32 compile.
5552 *) Remove C++ style comments from crypto/bn/bn_local.h.
5553 [Neil Costigan <neil.costigan@celocom.com>]
5555 *) The function OBJ_txt2nid was broken. It was supposed to return a nid
5556 based on a text string, looking up short and long names and finally
5557 "dot" format. The "dot" format stuff didn't work. Added new function
5558 OBJ_txt2obj to do the same but return an ASN1_OBJECT and rewrote
5559 OBJ_txt2nid to use it. OBJ_txt2obj can also return objects even if the
5560 OID is not part of the table.
5563 *) Add prototypes to X509 lookup/verify methods, fixing a bug in
5564 X509_LOOKUP_by_alias().
5567 *) Sort openssl functions by name.
5570 *) Get the gendsa program working (hopefully) and add it to app list. Remove
5571 encryption from sample DSA keys (in case anyone is interested the password
5575 *) Make _all_ *_free functions accept a NULL pointer.
5576 [Frans Heymans <fheymans@isaserver.be>]
5578 *) If a DH key is generated in s3_srvr.c, don't blow it by trying to use
5580 [Anonymous <nobody@replay.com>]
5582 *) s_server should send the CAfile as acceptable CAs, not its own cert.
5583 [Bodo Moeller <3moeller@informatik.uni-hamburg.de>]
5585 *) Don't blow it for numeric -newkey arguments to apps/req.
5586 [Bodo Moeller <3moeller@informatik.uni-hamburg.de>]
5588 *) Temp key "for export" tests were wrong in s3_srvr.c.
5589 [Anonymous <nobody@replay.com>]
5591 *) Add prototype for temp key callback functions
5592 SSL_CTX_set_tmp_{rsa,dh}_callback().
5595 *) Make DH_free() tolerate being passed a NULL pointer (like RSA_free() and
5596 DSA_free()). Make X509_PUBKEY_set() check for errors in d2i_PublicKey().
5599 *) X509_name_add_entry() freed the wrong thing after an error.
5600 [Arne Ansper <arne@ats.cyber.ee>]
5602 *) rsa_eay.c would attempt to free a NULL context.
5603 [Arne Ansper <arne@ats.cyber.ee>]
5605 *) BIO_s_socket() had a broken should_retry() on Windoze.
5606 [Arne Ansper <arne@ats.cyber.ee>]
5608 *) BIO_f_buffer() didn't pass on BIO_CTRL_FLUSH.
5609 [Arne Ansper <arne@ats.cyber.ee>]
5611 *) Make sure the already existing X509_STORE->depth variable is initialized
5612 in X509_STORE_new(), but document the fact that this variable is still
5613 unused in the certificate verification process.
5614 [Ralf S. Engelschall]
5616 *) Fix the various library and apps files to free up pkeys obtained from
5617 X509_PUBKEY_get() et al. Also allow x509.c to handle netscape extensions.
5620 *) Fix reference counting in X509_PUBKEY_get(). This makes
5621 demos/maurice/example2.c work, amongst others, probably.
5622 [Steve Henson and Ben Laurie]
5624 *) First cut of a cleanup for apps/. First the `ssleay' program is now named
5625 `openssl' and second, the shortcut symlinks for the `openssl <command>'
5626 are no longer created. This way we have a single and consistent command
5627 line interface `openssl <command>', similar to `cvs <command>'.
5628 [Ralf S. Engelschall, Paul Sutton and Ben Laurie]
5630 *) ca.c: move test for DSA keys inside #ifndef NO_DSA. Make pubkey
5631 BIT STRING wrapper always have zero unused bits.
5634 *) Add CA.pl, perl version of CA.sh, add extended key usage OID.
5637 *) Make the top-level INSTALL documentation easier to understand.
5640 *) Makefiles updated to exit if an error occurs in a sub-directory
5641 make (including if user presses ^C) [Paul Sutton]
5643 *) Make Montgomery context stuff explicit in RSA data structure.
5646 *) Fix build order of pem and err to allow for generated pem.h.
5649 *) Fix renumbering bug in X509_NAME_delete_entry().
5652 *) Enhanced the err-ins.pl script so it makes the error library number
5653 global and can add a library name. This is needed for external ASN1 and
5654 other error libraries.
5657 *) Fixed sk_insert which never worked properly.
5660 *) Fix ASN1 macros so they can handle indefinite length construted
5661 EXPLICIT tags. Some non standard certificates use these: they can now
5665 *) Merged the various old/obsolete SSLeay documentation files (doc/xxx.doc)
5666 into a single doc/ssleay.txt bundle. This way the information is still
5667 preserved but no longer messes up this directory. Now it's new room for
5668 the new set of documenation files.
5669 [Ralf S. Engelschall]
5671 *) SETs were incorrectly DER encoded. This was a major pain, because they
5672 shared code with SEQUENCEs, which aren't coded the same. This means that
5673 almost everything to do with SETs or SEQUENCEs has either changed name or
5674 number of arguments.
5675 [Ben Laurie, based on a partial fix by GP Jayan <gp@nsj.co.jp>]
5677 *) Fix test data to work with the above.
5680 *) Fix the RSA header declarations that hid a bug I fixed in 0.9.0b but
5681 was already fixed by Eric for 0.9.1 it seems.
5682 [Ben Laurie - pointed out by Ulf Möller <ulf@fitug.de>]
5684 *) Autodetect FreeBSD3.
5687 *) Fix various bugs in Configure. This affects the following platforms:
5691 unixware-2.0-pentium
5695 *) Eliminate generated files from CVS. Reorder tests to regenerate files
5696 before they are needed.
5699 *) Generate Makefile.ssl from Makefile.org (to keep CVS happy).
5703 Changes between 0.9.1b and 0.9.1c [23-Dec-1998]
5705 *) Added OPENSSL_VERSION_NUMBER to crypto/crypto.h and
5706 changed SSLeay to OpenSSL in version strings.
5707 [Ralf S. Engelschall]
5709 *) Some fixups to the top-level documents.
5712 *) Fixed the nasty bug where rsaref.h was not found under compile-time
5713 because the symlink to include/ was missing.
5714 [Ralf S. Engelschall]
5716 *) Incorporated the popular no-RSA/DSA-only patches
5717 which allow to compile a RSA-free SSLeay.
5718 [Andrew Cooke / Interrader Ldt., Ralf S. Engelschall]
5720 *) Fixed nasty rehash problem under `make -f Makefile.ssl links'
5721 when "ssleay" is still not found.
5722 [Ralf S. Engelschall]
5724 *) Added more platforms to Configure: Cray T3E, HPUX 11,
5725 [Ralf S. Engelschall, Beckmann <beckman@acl.lanl.gov>]
5727 *) Updated the README file.
5728 [Ralf S. Engelschall]
5730 *) Added various .cvsignore files in the CVS repository subdirs
5731 to make a "cvs update" really silent.
5732 [Ralf S. Engelschall]
5734 *) Recompiled the error-definition header files and added
5735 missing symbols to the Win32 linker tables.
5736 [Ralf S. Engelschall]
5738 *) Cleaned up the top-level documents;
5739 o new files: CHANGES and LICENSE
5740 o merged VERSION, HISTORY* and README* files a CHANGES.SSLeay
5741 o merged COPYRIGHT into LICENSE
5742 o removed obsolete TODO file
5743 o renamed MICROSOFT to INSTALL.W32
5744 [Ralf S. Engelschall]
5746 *) Removed dummy files from the 0.9.1b source tree:
5747 crypto/asn1/x crypto/bio/cd crypto/bio/fg crypto/bio/grep crypto/bio/vi
5748 crypto/bn/asm/......add.c crypto/bn/asm/a.out crypto/dsa/f crypto/md5/f
5749 crypto/pem/gmon.out crypto/perlasm/f crypto/pkcs7/build crypto/rsa/f
5750 crypto/sha/asm/f crypto/threads/f ms/zzz ssl/f ssl/f.mak test/f
5751 util/f.mak util/pl/f util/pl/f.mak crypto/bf/bf_locl.old apps/f
5752 [Ralf S. Engelschall]
5754 *) Added various platform portability fixes.
5757 *) The Genesis of the OpenSSL rpject:
5758 We start with the latest (unreleased) SSLeay version 0.9.1b which Eric A.
5759 Young and Tim J. Hudson created while they were working for C2Net until
5761 [The OpenSSL Project]
5764 Changes between 0.9.0b and 0.9.1b [not released]
5766 *) Updated a few CA certificates under certs/
5769 *) Changed some BIGNUM api stuff.
5772 *) Various platform ports: OpenBSD, Ultrix, IRIX 64bit, NetBSD,
5773 DGUX x86, Linux Alpha, etc.
5776 *) New COMP library [crypto/comp/] for SSL Record Layer Compression:
5777 RLE (dummy implemented) and ZLIB (really implemented when ZLIB is
5781 *) Add -strparse option to asn1pars program which parses nested
5783 [Dr Stephen Henson <shenson@bigfoot.com>]
5785 *) Added "oid_file" to ssleay.cnf for "ca" and "req" programs.
5788 *) DSA fix for "ca" program.
5791 *) Added "-genkey" option to "dsaparam" program.
5794 *) Added RIPE MD160 (rmd160) message digest.
5797 *) Added -a (all) option to "ssleay version" command.
5800 *) Added PLATFORM define which is the id given to Configure.
5803 *) Added MemCheck_XXXX functions to crypto/mem.c for memory checking.
5806 *) Extended the ASN.1 parser routines.
5809 *) Extended BIO routines to support REUSEADDR, seek, tell, etc.
5812 *) Added a BN_CTX to the BN library.
5815 *) Fixed the weak key values in DES library
5818 *) Changed API in EVP library for cipher aliases.
5821 *) Added support for RC2/64bit cipher.
5824 *) Converted the lhash library to the crypto/mem.c functions.
5827 *) Added more recognized ASN.1 object ids.
5830 *) Added more RSA padding checks for SSL/TLS.
5833 *) Added BIO proxy/filter functionality.
5836 *) Added extra_certs to SSL_CTX which can be used
5837 send extra CA certificates to the client in the CA cert chain sending
5838 process. It can be configured with SSL_CTX_add_extra_chain_cert().
5841 *) Now Fortezza is denied in the authentication phase because
5842 this is key exchange mechanism is not supported by SSLeay at all.
5845 *) Additional PKCS1 checks.
5848 *) Support the string "TLSv1" for all TLS v1 ciphers.
5851 *) Added function SSL_get_ex_data_X509_STORE_CTX_idx() which gives the
5852 ex_data index of the SSL context in the X509_STORE_CTX ex_data.
5855 *) Fixed a few memory leaks.
5858 *) Fixed various code and comment typos.
5861 *) A minor bug in ssl/s3_clnt.c where there would always be 4 0
5862 bytes sent in the client random.
5863 [Edward Bishop <ebishop@spyglass.com>]
projects / oweals / openssl.git / blob