5 This file gives a brief overview of the major changes between each OpenSSL
6 release. For more details please read the CHANGES file.
8 Major changes between OpenSSL 1.0.2g and OpenSSL 1.0.2h [under development]
12 Major changes between OpenSSL 1.0.2f and OpenSSL 1.0.2g [1 Mar 2016]
14 o Disable weak ciphers in SSLv3 and up in default builds of OpenSSL.
15 o Disable SSLv2 default build, default negotiation and weak ciphers
17 o Fix a double-free in DSA code (CVE-2016-0705)
18 o Disable SRP fake user seed to address a server memory leak
20 o Fix BN_hex2bn/BN_dec2bn NULL pointer deref/heap corruption
22 o Fix memory issues in BIO_*printf functions (CVE-2016-0799)
23 o Fix side channel attack on modular exponentiation (CVE-2016-0702)
25 Major changes between OpenSSL 1.0.2e and OpenSSL 1.0.2f [28 Jan 2016]
27 o DH small subgroups (CVE-2016-0701)
28 o SSLv2 doesn't block disabled ciphers (CVE-2015-3197)
30 Major changes between OpenSSL 1.0.2d and OpenSSL 1.0.2e [3 Dec 2015]
32 o BN_mod_exp may produce incorrect results on x86_64 (CVE-2015-3193)
33 o Certificate verify crash with missing PSS parameter (CVE-2015-3194)
34 o X509_ATTRIBUTE memory leak (CVE-2015-3195)
35 o Rewrite EVP_DecodeUpdate (base64 decoding) to fix several bugs
36 o In DSA_generate_parameters_ex, if the provided seed is too short,
39 Major changes between OpenSSL 1.0.2c and OpenSSL 1.0.2d [9 Jul 2015]
41 o Alternate chains certificate forgery (CVE-2015-1793)
42 o Race condition handling PSK identify hint (CVE-2015-3196)
44 Major changes between OpenSSL 1.0.2b and OpenSSL 1.0.2c [12 Jun 2015]
46 o Fix HMAC ABI incompatibility
48 Major changes between OpenSSL 1.0.2a and OpenSSL 1.0.2b [11 Jun 2015]
50 o Malformed ECParameters causes infinite loop (CVE-2015-1788)
51 o Exploitable out-of-bounds read in X509_cmp_time (CVE-2015-1789)
52 o PKCS7 crash with missing EnvelopedContent (CVE-2015-1790)
53 o CMS verify infinite loop with unknown hash function (CVE-2015-1792)
54 o Race condition handling NewSessionTicket (CVE-2015-1791)
56 Major changes between OpenSSL 1.0.2 and OpenSSL 1.0.2a [19 Mar 2015]
58 o OpenSSL 1.0.2 ClientHello sigalgs DoS fix (CVE-2015-0291)
59 o Multiblock corrupted pointer fix (CVE-2015-0290)
60 o Segmentation fault in DTLSv1_listen fix (CVE-2015-0207)
61 o Segmentation fault in ASN1_TYPE_cmp fix (CVE-2015-0286)
62 o Segmentation fault for invalid PSS parameters fix (CVE-2015-0208)
63 o ASN.1 structure reuse memory corruption fix (CVE-2015-0287)
64 o PKCS7 NULL pointer dereferences fix (CVE-2015-0289)
65 o DoS via reachable assert in SSLv2 servers fix (CVE-2015-0293)
66 o Empty CKE with client auth and DHE fix (CVE-2015-1787)
67 o Handshake with unseeded PRNG fix (CVE-2015-0285)
68 o Use After Free following d2i_ECPrivatekey error fix (CVE-2015-0209)
69 o X509_to_X509_REQ NULL pointer deref fix (CVE-2015-0288)
70 o Removed the export ciphers from the DEFAULT ciphers
72 Major changes between OpenSSL 1.0.1l and OpenSSL 1.0.2 [22 Jan 2015]:
74 o Suite B support for TLS 1.2 and DTLS 1.2
75 o Support for DTLS 1.2
76 o TLS automatic EC curve selection.
77 o API to set TLS supported signature algorithms and curves
78 o SSL_CONF configuration API.
79 o TLS Brainpool support.
81 o CMS support for RSA-PSS, RSA-OAEP, ECDH and X9.42 DH.
83 Major changes between OpenSSL 1.0.1k and OpenSSL 1.0.1l [15 Jan 2015]
85 o Build fixes for the Windows and OpenVMS platforms
87 Major changes between OpenSSL 1.0.1j and OpenSSL 1.0.1k [8 Jan 2015]
89 o Fix for CVE-2014-3571
90 o Fix for CVE-2015-0206
91 o Fix for CVE-2014-3569
92 o Fix for CVE-2014-3572
93 o Fix for CVE-2015-0204
94 o Fix for CVE-2015-0205
95 o Fix for CVE-2014-8275
96 o Fix for CVE-2014-3570
98 Major changes between OpenSSL 1.0.1i and OpenSSL 1.0.1j [15 Oct 2014]
100 o Fix for CVE-2014-3513
101 o Fix for CVE-2014-3567
102 o Mitigation for CVE-2014-3566 (SSL protocol vulnerability)
103 o Fix for CVE-2014-3568
105 Major changes between OpenSSL 1.0.1h and OpenSSL 1.0.1i [6 Aug 2014]
107 o Fix for CVE-2014-3512
108 o Fix for CVE-2014-3511
109 o Fix for CVE-2014-3510
110 o Fix for CVE-2014-3507
111 o Fix for CVE-2014-3506
112 o Fix for CVE-2014-3505
113 o Fix for CVE-2014-3509
114 o Fix for CVE-2014-5139
115 o Fix for CVE-2014-3508
117 Major changes between OpenSSL 1.0.1g and OpenSSL 1.0.1h [5 Jun 2014]
119 o Fix for CVE-2014-0224
120 o Fix for CVE-2014-0221
121 o Fix for CVE-2014-0198
122 o Fix for CVE-2014-0195
123 o Fix for CVE-2014-3470
124 o Fix for CVE-2010-5298
126 Major changes between OpenSSL 1.0.1f and OpenSSL 1.0.1g [7 Apr 2014]
128 o Fix for CVE-2014-0160
129 o Add TLS padding extension workaround for broken servers.
130 o Fix for CVE-2014-0076
132 Major changes between OpenSSL 1.0.1e and OpenSSL 1.0.1f [6 Jan 2014]
134 o Don't include gmt_unix_time in TLS server and client random values
135 o Fix for TLS record tampering bug CVE-2013-4353
136 o Fix for TLS version checking bug CVE-2013-6449
137 o Fix for DTLS retransmission bug CVE-2013-6450
139 Major changes between OpenSSL 1.0.1d and OpenSSL 1.0.1e [11 Feb 2013]:
141 o Corrected fix for CVE-2013-0169
143 Major changes between OpenSSL 1.0.1c and OpenSSL 1.0.1d [4 Feb 2013]:
145 o Fix renegotiation in TLS 1.1, 1.2 by using the correct TLS version.
146 o Include the fips configuration module.
147 o Fix OCSP bad key DoS attack CVE-2013-0166
148 o Fix for SSL/TLS/DTLS CBC plaintext recovery attack CVE-2013-0169
149 o Fix for TLS AESNI record handling flaw CVE-2012-2686
151 Major changes between OpenSSL 1.0.1b and OpenSSL 1.0.1c [10 May 2012]:
153 o Fix TLS/DTLS record length checking bug CVE-2012-2333
154 o Don't attempt to use non-FIPS composite ciphers in FIPS mode.
156 Major changes between OpenSSL 1.0.1a and OpenSSL 1.0.1b [26 Apr 2012]:
158 o Fix compilation error on non-x86 platforms.
159 o Make FIPS capable OpenSSL ciphers work in non-FIPS mode.
160 o Fix SSL_OP_NO_TLSv1_1 clash with SSL_OP_ALL in OpenSSL 1.0.0
162 Major changes between OpenSSL 1.0.1 and OpenSSL 1.0.1a [19 Apr 2012]:
164 o Fix for ASN1 overflow bug CVE-2012-2110
165 o Workarounds for some servers that hang on long client hellos.
166 o Fix SEGV in AES code.
168 Major changes between OpenSSL 1.0.0h and OpenSSL 1.0.1 [14 Mar 2012]:
170 o TLS/DTLS heartbeat support.
172 o RFC 5705 TLS key material exporter.
173 o RFC 5764 DTLS-SRTP negotiation.
174 o Next Protocol Negotiation.
175 o PSS signatures in certificates, requests and CRLs.
176 o Support for password based recipient info for CMS.
177 o Support TLS v1.2 and TLS v1.1.
178 o Preliminary FIPS capability for unvalidated 2.0 FIPS module.
181 Major changes between OpenSSL 1.0.0g and OpenSSL 1.0.0h [12 Mar 2012]:
183 o Fix for CMS/PKCS#7 MMA CVE-2012-0884
184 o Corrected fix for CVE-2011-4619
185 o Various DTLS fixes.
187 Major changes between OpenSSL 1.0.0f and OpenSSL 1.0.0g [18 Jan 2012]:
189 o Fix for DTLS DoS issue CVE-2012-0050
191 Major changes between OpenSSL 1.0.0e and OpenSSL 1.0.0f [4 Jan 2012]:
193 o Fix for DTLS plaintext recovery attack CVE-2011-4108
194 o Clear block padding bytes of SSL 3.0 records CVE-2011-4576
195 o Only allow one SGC handshake restart for SSL/TLS CVE-2011-4619
196 o Check parameters are not NULL in GOST ENGINE CVE-2012-0027
197 o Check for malformed RFC3779 data CVE-2011-4577
199 Major changes between OpenSSL 1.0.0d and OpenSSL 1.0.0e [6 Sep 2011]:
201 o Fix for CRL vulnerability issue CVE-2011-3207
202 o Fix for ECDH crashes CVE-2011-3210
203 o Protection against EC timing attacks.
204 o Support ECDH ciphersuites for certificates using SHA2 algorithms.
205 o Various DTLS fixes.
207 Major changes between OpenSSL 1.0.0c and OpenSSL 1.0.0d [8 Feb 2011]:
209 o Fix for security issue CVE-2011-0014
211 Major changes between OpenSSL 1.0.0b and OpenSSL 1.0.0c [2 Dec 2010]:
213 o Fix for security issue CVE-2010-4180
214 o Fix for CVE-2010-4252
215 o Fix mishandling of absent EC point format extension.
216 o Fix various platform compilation issues.
217 o Corrected fix for security issue CVE-2010-3864.
219 Major changes between OpenSSL 1.0.0a and OpenSSL 1.0.0b [16 Nov 2010]:
221 o Fix for security issue CVE-2010-3864.
222 o Fix for CVE-2010-2939
223 o Fix WIN32 build system for GOST ENGINE.
225 Major changes between OpenSSL 1.0.0 and OpenSSL 1.0.0a [1 Jun 2010]:
227 o Fix for security issue CVE-2010-1633.
228 o GOST MAC and CFB fixes.
230 Major changes between OpenSSL 0.9.8n and OpenSSL 1.0.0 [29 Mar 2010]:
232 o RFC3280 path validation: sufficient to process PKITS tests.
233 o Integrated support for PVK files and keyblobs.
234 o Change default private key format to PKCS#8.
235 o CMS support: able to process all examples in RFC4134
236 o Streaming ASN1 encode support for PKCS#7 and CMS.
237 o Multiple signer and signer add support for PKCS#7 and CMS.
238 o ASN1 printing support.
239 o Whirlpool hash algorithm added.
240 o RFC3161 time stamp support.
241 o New generalised public key API supporting ENGINE based algorithms.
242 o New generalised public key API utilities.
243 o New ENGINE supporting GOST algorithms.
244 o SSL/TLS GOST ciphersuite support.
245 o PKCS#7 and CMS GOST support.
246 o RFC4279 PSK ciphersuite support.
247 o Supported points format extension for ECC ciphersuites.
248 o ecdsa-with-SHA224/256/384/512 signature types.
249 o dsa-with-SHA224 and dsa-with-SHA256 signature types.
250 o Opaque PRF Input TLS extension support.
251 o Updated time routines to avoid OS limitations.
253 Major changes between OpenSSL 0.9.8m and OpenSSL 0.9.8n [24 Mar 2010]:
255 o CFB cipher definition fixes.
256 o Fix security issues CVE-2010-0740 and CVE-2010-0433.
258 Major changes between OpenSSL 0.9.8l and OpenSSL 0.9.8m [25 Feb 2010]:
260 o Cipher definition fixes.
261 o Workaround for slow RAND_poll() on some WIN32 versions.
262 o Remove MD2 from algorithm tables.
263 o SPKAC handling fixes.
264 o Support for RFC5746 TLS renegotiation extension.
265 o Compression memory leak fixed.
266 o Compression session resumption fixed.
267 o Ticket and SNI coexistence fixes.
268 o Many fixes to DTLS handling.
270 Major changes between OpenSSL 0.9.8k and OpenSSL 0.9.8l [5 Nov 2009]:
272 o Temporary work around for CVE-2009-3555: disable renegotiation.
274 Major changes between OpenSSL 0.9.8j and OpenSSL 0.9.8k [25 Mar 2009]:
276 o Fix various build issues.
277 o Fix security issues (CVE-2009-0590, CVE-2009-0591, CVE-2009-0789)
279 Major changes between OpenSSL 0.9.8i and OpenSSL 0.9.8j [7 Jan 2009]:
281 o Fix security issue (CVE-2008-5077)
282 o Merge FIPS 140-2 branch code.
284 Major changes between OpenSSL 0.9.8g and OpenSSL 0.9.8h [28 May 2008]:
286 o CryptoAPI ENGINE support.
287 o Various precautionary measures.
288 o Fix for bugs affecting certificate request creation.
289 o Support for local machine keyset attribute in PKCS#12 files.
291 Major changes between OpenSSL 0.9.8f and OpenSSL 0.9.8g [19 Oct 2007]:
293 o Backport of CMS functionality to 0.9.8.
294 o Fixes for bugs introduced with 0.9.8f.
296 Major changes between OpenSSL 0.9.8e and OpenSSL 0.9.8f [11 Oct 2007]:
298 o Add gcc 4.2 support.
299 o Add support for AES and SSE2 assembly lanugauge optimization
301 o Support for RFC4507bis and server name extensions if explicitly
302 selected at compile time.
304 o RFC4507bis support.
305 o TLS Extensions support.
307 Major changes between OpenSSL 0.9.8d and OpenSSL 0.9.8e [23 Feb 2007]:
309 o Various ciphersuite selection fixes.
312 Major changes between OpenSSL 0.9.8c and OpenSSL 0.9.8d [28 Sep 2006]:
314 o Introduce limits to prevent malicious key DoS (CVE-2006-2940)
315 o Fix security issues (CVE-2006-2937, CVE-2006-3737, CVE-2006-4343)
316 o Changes to ciphersuite selection algorithm
318 Major changes between OpenSSL 0.9.8b and OpenSSL 0.9.8c [5 Sep 2006]:
320 o Fix Daniel Bleichenbacher forged signature attack, CVE-2006-4339
321 o New cipher Camellia
323 Major changes between OpenSSL 0.9.8a and OpenSSL 0.9.8b [4 May 2006]:
325 o Cipher string fixes.
326 o Fixes for VC++ 2005.
327 o Updated ECC cipher suite support.
328 o New functions EVP_CIPHER_CTX_new() and EVP_CIPHER_CTX_free().
329 o Zlib compression usage fixes.
330 o Built in dynamic engine compilation support on Win32.
331 o Fixes auto dynamic engine loading in Win32.
333 Major changes between OpenSSL 0.9.8 and OpenSSL 0.9.8a [11 Oct 2005]:
335 o Fix potential SSL 2.0 rollback, CVE-2005-2969
336 o Extended Windows CE support
338 Major changes between OpenSSL 0.9.7g and OpenSSL 0.9.8 [5 Jul 2005]:
340 o Major work on the BIGNUM library for higher efficiency and to
341 make operations more streamlined and less contradictory. This
342 is the result of a major audit of the BIGNUM library.
343 o Addition of BIGNUM functions for fields GF(2^m) and NIST
344 curves, to support the Elliptic Crypto functions.
345 o Major work on Elliptic Crypto; ECDH and ECDSA added, including
346 the use through EVP, X509 and ENGINE.
347 o New ASN.1 mini-compiler that's usable through the OpenSSL
349 o Added support for ASN.1 indefinite length constructed encoding.
350 o New PKCS#12 'medium level' API to manipulate PKCS#12 files.
351 o Complete rework of shared library construction and linking
352 programs with shared or static libraries, through a separate
354 o Rework of the passing of parameters from one Makefile to another.
355 o Changed ENGINE framework to load dynamic engine modules
356 automatically from specifically given directories.
357 o New structure and ASN.1 functions for CertificatePair.
358 o Changed the ZLIB compression method to be stateful.
359 o Changed the key-generation and primality testing "progress"
360 mechanism to take a structure that contains the ticker
361 function and an argument.
362 o New engine module: GMP (performs private key exponentiation).
363 o New engine module: VIA PadLOck ACE extension in VIA C3
365 o Added support for IPv6 addresses in certificate extensions.
366 See RFC 1884, section 2.2.
367 o Added support for certificate policy mappings, policy
368 constraints and name constraints.
369 o Added support for multi-valued AVAs in the OpenSSL
371 o Added support for multiple certificates with the same subject
372 in the 'openssl ca' index file.
373 o Make it possible to create self-signed certificates using
374 'openssl ca -selfsign'.
375 o Make it possible to generate a serial number file with
376 'openssl ca -create_serial'.
377 o New binary search functions with extended functionality.
379 o New STORE structure and library to provide an interface to all
380 sorts of data repositories. Supports storage of public and
381 private keys, certificates, CRLs, numbers and arbitrary blobs.
382 This library is unfortunately unfinished and unused withing
384 o New control functions for the error stack.
385 o Changed the PKCS#7 library to support one-pass S/MIME
387 o Added the possibility to compile without old deprecated
388 functionality with the OPENSSL_NO_DEPRECATED macro or the
389 'no-deprecated' argument to the config and Configure scripts.
390 o Constification of all ASN.1 conversion functions, and other
392 o Improved platform support for PowerPC.
393 o New FIPS 180-2 algorithms (SHA-224, -256, -384 and -512).
394 o New X509_VERIFY_PARAM structure to support parametrisation
395 of X.509 path validation.
396 o Major overhaul of RC4 performance on Intel P4, IA-64 and
398 o Changed the Configure script to have some algorithms disabled
399 by default. Those can be explicitely enabled with the new
400 argument form 'enable-xxx'.
401 o Change the default digest in 'openssl' commands from MD5 to
403 o Added support for DTLS.
404 o New BIGNUM blinding.
405 o Added support for the RSA-PSS encryption scheme
406 o Added support for the RSA X.931 padding.
407 o Added support for BSD sockets on NetWare.
408 o Added support for files larger than 2GB.
409 o Added initial support for Win64.
410 o Added alternate pkg-config files.
412 Major changes between OpenSSL 0.9.7l and OpenSSL 0.9.7m [23 Feb 2007]:
414 o FIPS 1.1.1 module linking.
415 o Various ciphersuite selection fixes.
417 Major changes between OpenSSL 0.9.7k and OpenSSL 0.9.7l [28 Sep 2006]:
419 o Introduce limits to prevent malicious key DoS (CVE-2006-2940)
420 o Fix security issues (CVE-2006-2937, CVE-2006-3737, CVE-2006-4343)
422 Major changes between OpenSSL 0.9.7j and OpenSSL 0.9.7k [5 Sep 2006]:
424 o Fix Daniel Bleichenbacher forged signature attack, CVE-2006-4339
426 Major changes between OpenSSL 0.9.7i and OpenSSL 0.9.7j [4 May 2006]:
428 o Visual C++ 2005 fixes.
429 o Update Windows build system for FIPS.
431 Major changes between OpenSSL 0.9.7h and OpenSSL 0.9.7i [14 Oct 2005]:
433 o Give EVP_MAX_MD_SIZE it's old value, except for a FIPS build.
435 Major changes between OpenSSL 0.9.7g and OpenSSL 0.9.7h [11 Oct 2005]:
437 o Fix SSL 2.0 Rollback, CVE-2005-2969
438 o Allow use of fixed-length exponent on DSA signing
439 o Default fixed-window RSA, DSA, DH private-key operations
441 Major changes between OpenSSL 0.9.7f and OpenSSL 0.9.7g [11 Apr 2005]:
443 o More compilation issues fixed.
444 o Adaptation to more modern Kerberos API.
445 o Enhanced or corrected configuration for Solaris64, Mingw and Cygwin.
446 o Enhanced x86_64 assembler BIGNUM module.
447 o More constification.
448 o Added processing of proxy certificates (RFC 3820).
450 Major changes between OpenSSL 0.9.7e and OpenSSL 0.9.7f [22 Mar 2005]:
452 o Several compilation issues fixed.
453 o Many memory allocation failure checks added.
454 o Improved comparison of X509 Name type.
455 o Mandatory basic checks on certificates.
456 o Performance improvements.
458 Major changes between OpenSSL 0.9.7d and OpenSSL 0.9.7e [25 Oct 2004]:
460 o Fix race condition in CRL checking code.
461 o Fixes to PKCS#7 (S/MIME) code.
463 Major changes between OpenSSL 0.9.7c and OpenSSL 0.9.7d [17 Mar 2004]:
465 o Security: Fix Kerberos ciphersuite SSL/TLS handshaking bug
466 o Security: Fix null-pointer assignment in do_change_cipher_spec()
467 o Allow multiple active certificates with same subject in CA index
468 o Multiple X509 verification fixes
469 o Speed up HMAC and other operations
471 Major changes between OpenSSL 0.9.7b and OpenSSL 0.9.7c [30 Sep 2003]:
473 o Security: fix various ASN1 parsing bugs.
474 o New -ignore_err option to OCSP utility.
475 o Various interop and bug fixes in S/MIME code.
476 o SSL/TLS protocol fix for unrequested client certificates.
478 Major changes between OpenSSL 0.9.7a and OpenSSL 0.9.7b [10 Apr 2003]:
480 o Security: counter the Klima-Pokorny-Rosa extension of
481 Bleichbacher's attack
482 o Security: make RSA blinding default.
483 o Configuration: Irix fixes, AIX fixes, better mingw support.
484 o Support for new platforms: linux-ia64-ecc.
485 o Build: shared library support fixes.
486 o ASN.1: treat domainComponent correctly.
487 o Documentation: fixes and additions.
489 Major changes between OpenSSL 0.9.7 and OpenSSL 0.9.7a [19 Feb 2003]:
491 o Security: Important security related bugfixes.
492 o Enhanced compatibility with MIT Kerberos.
493 o Can be built without the ENGINE framework.
494 o IA32 assembler enhancements.
495 o Support for new platforms: FreeBSD/IA64 and FreeBSD/Sparc64.
496 o Configuration: the no-err option now works properly.
497 o SSL/TLS: now handles manual certificate chain building.
498 o SSL/TLS: certain session ID malfunctions corrected.
500 Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.7 [30 Dec 2002]:
502 o New library section OCSP.
503 o Complete rewrite of ASN1 code.
504 o CRL checking in verify code and openssl utility.
505 o Extension copying in 'ca' utility.
506 o Flexible display options in 'ca' utility.
507 o Provisional support for international characters with UTF8.
508 o Support for external crypto devices ('engine') is no longer
509 a separate distribution.
510 o New elliptic curve library section.
511 o New AES (Rijndael) library section.
512 o Support for new platforms: Windows CE, Tandem OSS, A/UX, AIX 64-bit,
513 Linux x86_64, Linux 64-bit on Sparc v9
514 o Extended support for some platforms: VxWorks
515 o Enhanced support for shared libraries.
516 o Now only builds PIC code when shared library support is requested.
517 o Support for pkg-config.
518 o Lots of new manuals.
519 o Makes symbolic links to or copies of manuals to cover all described
521 o Change DES API to clean up the namespace (some applications link also
522 against libdes providing similar functions having the same name).
523 Provide macros for backward compatibility (will be removed in the
525 o Unify handling of cryptographic algorithms (software and engine)
526 to be available via EVP routines for asymmetric and symmetric ciphers.
527 o NCONF: new configuration handling routines.
528 o Change API to use more 'const' modifiers to improve error checking
530 o Finally remove references to RSAref.
531 o Reworked parts of the BIGNUM code.
532 o Support for new engines: Broadcom ubsec, Accelerated Encryption
533 Processing, IBM 4758.
534 o A few new engines added in the demos area.
535 o Extended and corrected OID (object identifier) table.
536 o PRNG: query at more locations for a random device, automatic query for
537 EGD style random sources at several locations.
538 o SSL/TLS: allow optional cipher choice according to server's preference.
539 o SSL/TLS: allow server to explicitly set new session ids.
540 o SSL/TLS: support Kerberos cipher suites (RFC2712).
541 Only supports MIT Kerberos for now.
542 o SSL/TLS: allow more precise control of renegotiations and sessions.
543 o SSL/TLS: add callback to retrieve SSL/TLS messages.
544 o SSL/TLS: support AES cipher suites (RFC3268).
546 Major changes between OpenSSL 0.9.6j and OpenSSL 0.9.6k [30 Sep 2003]:
548 o Security: fix various ASN1 parsing bugs.
549 o SSL/TLS protocol fix for unrequested client certificates.
551 Major changes between OpenSSL 0.9.6i and OpenSSL 0.9.6j [10 Apr 2003]:
553 o Security: counter the Klima-Pokorny-Rosa extension of
554 Bleichbacher's attack
555 o Security: make RSA blinding default.
556 o Build: shared library support fixes.
558 Major changes between OpenSSL 0.9.6h and OpenSSL 0.9.6i [19 Feb 2003]:
560 o Important security related bugfixes.
562 Major changes between OpenSSL 0.9.6g and OpenSSL 0.9.6h [5 Dec 2002]:
564 o New configuration targets for Tandem OSS and A/UX.
565 o New OIDs for Microsoft attributes.
566 o Better handling of SSL session caching.
567 o Better comparison of distinguished names.
568 o Better handling of shared libraries in a mixed GNU/non-GNU environment.
569 o Support assembler code with Borland C.
570 o Fixes for length problems.
571 o Fixes for uninitialised variables.
572 o Fixes for memory leaks, some unusual crashes and some race conditions.
573 o Fixes for smaller building problems.
574 o Updates of manuals, FAQ and other instructive documents.
576 Major changes between OpenSSL 0.9.6f and OpenSSL 0.9.6g [9 Aug 2002]:
578 o Important building fixes on Unix.
580 Major changes between OpenSSL 0.9.6e and OpenSSL 0.9.6f [8 Aug 2002]:
582 o Various important bugfixes.
584 Major changes between OpenSSL 0.9.6d and OpenSSL 0.9.6e [30 Jul 2002]:
586 o Important security related bugfixes.
587 o Various SSL/TLS library bugfixes.
589 Major changes between OpenSSL 0.9.6c and OpenSSL 0.9.6d [9 May 2002]:
591 o Various SSL/TLS library bugfixes.
592 o Fix DH parameter generation for 'non-standard' generators.
594 Major changes between OpenSSL 0.9.6b and OpenSSL 0.9.6c [21 Dec 2001]:
596 o Various SSL/TLS library bugfixes.
597 o BIGNUM library fixes.
598 o RSA OAEP and random number generation fixes.
599 o Object identifiers corrected and added.
600 o Add assembler BN routines for IA64.
601 o Add support for OS/390 Unix, UnixWare with gcc, OpenUNIX 8,
602 MIPS Linux; shared library support for Irix, HP-UX.
603 o Add crypto accelerator support for AEP, Baltimore SureWare,
604 Broadcom and Cryptographic Appliance's keyserver
605 [in 0.9.6c-engine release].
607 Major changes between OpenSSL 0.9.6a and OpenSSL 0.9.6b [9 Jul 2001]:
609 o Security fix: PRNG improvements.
610 o Security fix: RSA OAEP check.
611 o Security fix: Reinsert and fix countermeasure to Bleichbacher's
613 o MIPS bug fix in BIGNUM.
614 o Bug fix in "openssl enc".
615 o Bug fix in X.509 printing routine.
616 o Bug fix in DSA verification routine and DSA S/MIME verification.
617 o Bug fix to make PRNG thread-safe.
618 o Bug fix in RAND_file_name().
619 o Bug fix in compatibility mode trust settings.
620 o Bug fix in blowfish EVP.
621 o Increase default size for BIO buffering filter.
622 o Compatibility fixes in some scripts.
624 Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.6a [5 Apr 2001]:
626 o Security fix: change behavior of OpenSSL to avoid using
627 environment variables when running as root.
628 o Security fix: check the result of RSA-CRT to reduce the
629 possibility of deducing the private key from an incorrectly
630 calculated signature.
631 o Security fix: prevent Bleichenbacher's DSA attack.
632 o Security fix: Zero the premaster secret after deriving the
633 master secret in DH ciphersuites.
634 o Reimplement SSL_peek(), which had various problems.
635 o Compatibility fix: the function des_encrypt() renamed to
636 des_encrypt1() to avoid clashes with some Unixen libc.
637 o Bug fixes for Win32, HP/UX and Irix.
638 o Bug fixes in BIGNUM, SSL, PKCS#7, PKCS#12, X.509, CONF and
639 memory checking routines.
640 o Bug fixes for RSA operations in threaded environments.
641 o Bug fixes in misc. openssl applications.
642 o Remove a few potential memory leaks.
643 o Add tighter checks of BIGNUM routines.
644 o Shared library support has been reworked for generality.
645 o More documentation.
646 o New function BN_rand_range().
647 o Add "-rand" option to openssl s_client and s_server.
649 Major changes between OpenSSL 0.9.5a and OpenSSL 0.9.6 [10 Oct 2000]:
651 o Some documentation for BIO and SSL libraries.
652 o Enhanced chain verification using key identifiers.
653 o New sign and verify options to 'dgst' application.
654 o Support for DER and PEM encoded messages in 'smime' application.
655 o New 'rsautl' application, low level RSA utility.
657 o Bugfix for SSL rollback padding check.
658 o Support for external crypto devices [1].
659 o Enhanced EVP interface.
661 [1] The support for external crypto devices is currently a separate
662 distribution. See the file README.ENGINE.
664 Major changes between OpenSSL 0.9.5 and OpenSSL 0.9.5a [1 Apr 2000]:
666 o Bug fixes for Win32, SuSE Linux, NeXTSTEP and FreeBSD 2.2.8
667 o Shared library support for HPUX and Solaris-gcc
668 o Support of Linux/IA64
669 o Assembler support for Mingw32
670 o New 'rand' application
671 o New way to check for existence of algorithms from scripts
673 Major changes between OpenSSL 0.9.4 and OpenSSL 0.9.5 [25 May 2000]:
675 o S/MIME support in new 'smime' command
676 o Documentation for the OpenSSL command line application
677 o Automation of 'req' application
678 o Fixes to make s_client, s_server work under Windows
679 o Support for multiple fieldnames in SPKACs
680 o New SPKAC command line utilty and associated library functions
681 o Options to allow passwords to be obtained from various sources
682 o New public key PEM format and options to handle it
683 o Many other fixes and enhancements to command line utilities
684 o Usable certificate chain verification
685 o Certificate purpose checking
686 o Certificate trust settings
687 o Support of authority information access extension
688 o Extensions in certificate requests
689 o Simplified X509 name and attribute routines
690 o Initial (incomplete) support for international character sets
691 o New DH_METHOD, DSA_METHOD and enhanced RSA_METHOD
692 o Read only memory BIOs and simplified creation function
693 o TLS/SSL protocol bugfixes: Accept TLS 'client hello' in SSL 3.0
694 record; allow fragmentation and interleaving of handshake and other
696 o TLS/SSL code now "tolerates" MS SGC
697 o Work around for Netscape client certificate hang bug
698 o RSA_NULL option that removes RSA patent code but keeps other
700 o Memory leak detection now allows applications to add extra information
701 via a per-thread stack
702 o PRNG robustness improved
704 o BIGNUM library bug fixes
705 o Faster DSA parameter generation
706 o Enhanced support for Alpha Linux
707 o Experimental MacOS support
709 Major changes between OpenSSL 0.9.3 and OpenSSL 0.9.4 [9 Aug 1999]:
711 o Transparent support for PKCS#8 format private keys: these are used
712 by several software packages and are more secure than the standard
714 o PKCS#5 v2.0 implementation
715 o Password callbacks have a new void * argument for application data
716 o Avoid various memory leaks
717 o New pipe-like BIO that allows using the SSL library when actual I/O
718 must be handled by the application (BIO pair)
720 Major changes between OpenSSL 0.9.2b and OpenSSL 0.9.3 [24 May 1999]:
721 o Lots of enhancements and cleanups to the Configuration mechanism
722 o RSA OEAP related fixes
723 o Added `openssl ca -revoke' option for revoking a certificate
724 o Source cleanups: const correctness, type-safe stacks and ASN.1 SETs
725 o Source tree cleanups: removed lots of obsolete files
726 o Thawte SXNet, certificate policies and CRL distribution points
728 o Preliminary (experimental) S/MIME support
729 o Support for ASN.1 UTF8String and VisibleString
730 o Full integration of PKCS#12 code
731 o Sparc assembler bignum implementation, optimized hash functions
732 o Option to disable selected ciphers
734 Major changes between OpenSSL 0.9.1c and OpenSSL 0.9.2b [22 Mar 1999]:
735 o Fixed a security hole related to session resumption
736 o Fixed RSA encryption routines for the p < q case
737 o "ALL" in cipher lists now means "everything except NULL ciphers"
738 o Support for Triple-DES CBCM cipher
739 o Support of Optimal Asymmetric Encryption Padding (OAEP) for RSA
740 o First support for new TLSv1 ciphers
741 o Added a few new BIOs (syslog BIO, reliable BIO)
742 o Extended support for DSA certificate/keys.
743 o Extended support for Certificate Signing Requests (CSR)
744 o Initial support for X.509v3 extensions
745 o Extended support for compression inside the SSL record layer
746 o Overhauled Win32 builds
747 o Cleanups and fixes to the Big Number (BN) library
748 o Support for ASN.1 GeneralizedTime
749 o Splitted ASN.1 SETs from SEQUENCEs
750 o ASN1 and PEM support for Netscape Certificate Sequences
751 o Overhauled Perl interface
752 o Lots of source tree cleanups.
753 o Lots of memory leak fixes.
756 Major changes between SSLeay 0.9.0b and OpenSSL 0.9.1c [23 Dec 1998]:
757 o Integration of the popular NO_RSA/NO_DSA patches
758 o Initial support for compression inside the SSL record layer
759 o Added BIO proxy and filtering functionality
760 o Extended Big Number (BN) library
761 o Added RIPE MD160 message digest
762 o Addeed support for RC2/64bit cipher
763 o Extended ASN.1 parser routines
764 o Adjustations of the source tree for CVS
765 o Support for various new platforms