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 0.9.8zb and OpenSSL 0.9.8zc [under development]
12 Major changes between OpenSSL 0.9.8za and OpenSSL 0.9.8zb [6 Aug 2014]:
14 o Fix for CVE-2014-3510
15 o Fix for CVE-2014-3507
16 o Fix for CVE-2014-3506
17 o Fix for CVE-2014-3505
18 o Fix for CVE-2014-3508
20 Known issues in OpenSSL 0.9.8za:
22 o Compilation failure of s3_pkt.c on some platforms due to missing
23 <limits.h> include. Fixed in 0.9.8zb-dev.
24 o FIPS capable link failure with missing symbol BN_consttime_swap.
25 Fixed in 0.9.8zb-dev. Workaround is to compile with no-ec: the EC
26 algorithms are not FIPS approved in OpenSSL 0.9.8 anyway.
28 Major changes between OpenSSL 0.9.8y and OpenSSL 0.9.8za [5 Jun 2014]:
30 o Fix for CVE-2014-0224
31 o Fix for CVE-2014-0221
32 o Fix for CVE-2014-0195
33 o Fix for CVE-2014-3470
34 o Fix for CVE-2014-0076
35 o Fix for CVE-2010-5298
36 o Fix to TLS alert handling.
38 Major changes between OpenSSL 0.9.8x and OpenSSL 0.9.8y [5 Feb 2013]:
40 o Fix for SSL/TLS/DTLS CBC plaintext recovery attack CVE-2013-0169
41 o Fix OCSP bad key DoS attack CVE-2013-0166
43 Major changes between OpenSSL 0.9.8w and OpenSSL 0.9.8x [10 May 2012]:
45 o Fix DTLS record length checking bug CVE-2012-2333
47 Major changes between OpenSSL 0.9.8v and OpenSSL 0.9.8w [23 Apr 2012]:
49 o Fix for CVE-2012-2131 (corrected fix for 0.9.8 and CVE-2012-2110)
51 Major changes between OpenSSL 0.9.8u and OpenSSL 0.9.8v [19 Apr 2012]:
53 o Fix for ASN1 overflow bug CVE-2012-2110
55 Major changes between OpenSSL 0.9.8t and OpenSSL 0.9.8u [12 Mar 2012]:
57 o Fix for CMS/PKCS#7 MMA CVE-2012-0884
58 o Corrected fix for CVE-2011-4619
61 Major changes between OpenSSL 0.9.8s and OpenSSL 0.9.8t [18 Jan 2012]:
63 o Fix for DTLS DoS issue CVE-2012-0050
65 Major changes between OpenSSL 0.9.8r and OpenSSL 0.9.8s [4 Jan 2012]:
67 o Fix for DTLS plaintext recovery attack CVE-2011-4108
68 o Fix policy check double free error CVE-2011-4109
69 o Clear block padding bytes of SSL 3.0 records CVE-2011-4576
70 o Only allow one SGC handshake restart for SSL/TLS CVE-2011-4619
71 o Check for malformed RFC3779 data CVE-2011-4577
73 Major changes between OpenSSL 0.9.8q and OpenSSL 0.9.8r [8 Feb 2011]:
75 o Fix for security issue CVE-2011-0014
77 Major changes between OpenSSL 0.9.8p and OpenSSL 0.9.8q [2 Dec 2010]:
79 o Fix for security issue CVE-2010-4180
80 o Fix for CVE-2010-4252
82 Major changes between OpenSSL 0.9.8o and OpenSSL 0.9.8p [16 Nov 2010]:
84 o Fix for security issue CVE-2010-3864.
86 Major changes between OpenSSL 0.9.8n and OpenSSL 0.9.8o [1 Jun 2010]:
88 o Fix for security issue CVE-2010-0742.
90 o Recognise SHA2 certificates if only SSL algorithms added.
91 o Fix for no-rc4 compilation.
92 o Chil ENGINE unload workaround.
94 Major changes between OpenSSL 0.9.8m and OpenSSL 0.9.8n [24 Mar 2010]:
96 o CFB cipher definition fixes.
97 o Fix security issues CVE-2010-0740 and CVE-2010-0433.
99 Major changes between OpenSSL 0.9.8l and OpenSSL 0.9.8m [25 Feb 2010]:
101 o Cipher definition fixes.
102 o Workaround for slow RAND_poll() on some WIN32 versions.
103 o Remove MD2 from algorithm tables.
104 o SPKAC handling fixes.
105 o Support for RFC5746 TLS renegotiation extension.
106 o Compression memory leak fixed.
107 o Compression session resumption fixed.
108 o Ticket and SNI coexistence fixes.
109 o Many fixes to DTLS handling.
111 Major changes between OpenSSL 0.9.8k and OpenSSL 0.9.8l [5 Nov 2009]:
113 o Temporary work around for CVE-2009-3555: disable renegotiation.
115 Major changes between OpenSSL 0.9.8j and OpenSSL 0.9.8k [25 Mar 2009]:
117 o Fix various build issues.
118 o Fix security issues (CVE-2009-0590, CVE-2009-0591, CVE-2009-0789)
120 Major changes between OpenSSL 0.9.8i and OpenSSL 0.9.8j [7 Jan 2009]:
122 o Fix security issue (CVE-2008-5077)
123 o Merge FIPS 140-2 branch code.
125 Major changes between OpenSSL 0.9.8g and OpenSSL 0.9.8h [28 May 2008]:
127 o CryptoAPI ENGINE support.
128 o Various precautionary measures.
129 o Fix for bugs affecting certificate request creation.
130 o Support for local machine keyset attribute in PKCS#12 files.
132 Major changes between OpenSSL 0.9.8f and OpenSSL 0.9.8g [19 Oct 2007]:
134 o Backport of CMS functionality to 0.9.8.
135 o Fixes for bugs introduced with 0.9.8f.
137 Major changes between OpenSSL 0.9.8e and OpenSSL 0.9.8f [11 Oct 2007]:
139 o Add gcc 4.2 support.
140 o Add support for AES and SSE2 assembly lanugauge optimization
142 o Support for RFC4507bis and server name extensions if explicitly
143 selected at compile time.
145 o RFC4507bis support.
146 o TLS Extensions support.
148 Major changes between OpenSSL 0.9.8d and OpenSSL 0.9.8e [23 Feb 2007]:
150 o Various ciphersuite selection fixes.
153 Major changes between OpenSSL 0.9.8c and OpenSSL 0.9.8d [28 Sep 2006]:
155 o Introduce limits to prevent malicious key DoS (CVE-2006-2940)
156 o Fix security issues (CVE-2006-2937, CVE-2006-3737, CVE-2006-4343)
157 o Changes to ciphersuite selection algorithm
159 Major changes between OpenSSL 0.9.8b and OpenSSL 0.9.8c [5 Sep 2006]:
161 o Fix Daniel Bleichenbacher forged signature attack, CVE-2006-4339
162 o New cipher Camellia
164 Major changes between OpenSSL 0.9.8a and OpenSSL 0.9.8b [4 May 2006]:
166 o Cipher string fixes.
167 o Fixes for VC++ 2005.
168 o Updated ECC cipher suite support.
169 o New functions EVP_CIPHER_CTX_new() and EVP_CIPHER_CTX_free().
170 o Zlib compression usage fixes.
171 o Built in dynamic engine compilation support on Win32.
172 o Fixes auto dynamic engine loading in Win32.
174 Major changes between OpenSSL 0.9.8 and OpenSSL 0.9.8a [11 Oct 2005]:
176 o Fix potential SSL 2.0 rollback, CVE-2005-2969
177 o Extended Windows CE support
179 Major changes between OpenSSL 0.9.7g and OpenSSL 0.9.8 [5 Jul 2005]:
181 o Major work on the BIGNUM library for higher efficiency and to
182 make operations more streamlined and less contradictory. This
183 is the result of a major audit of the BIGNUM library.
184 o Addition of BIGNUM functions for fields GF(2^m) and NIST
185 curves, to support the Elliptic Crypto functions.
186 o Major work on Elliptic Crypto; ECDH and ECDSA added, including
187 the use through EVP, X509 and ENGINE.
188 o New ASN.1 mini-compiler that's usable through the OpenSSL
190 o Added support for ASN.1 indefinite length constructed encoding.
191 o New PKCS#12 'medium level' API to manipulate PKCS#12 files.
192 o Complete rework of shared library construction and linking
193 programs with shared or static libraries, through a separate
195 o Rework of the passing of parameters from one Makefile to another.
196 o Changed ENGINE framework to load dynamic engine modules
197 automatically from specifically given directories.
198 o New structure and ASN.1 functions for CertificatePair.
199 o Changed the ZLIB compression method to be stateful.
200 o Changed the key-generation and primality testing "progress"
201 mechanism to take a structure that contains the ticker
202 function and an argument.
203 o New engine module: GMP (performs private key exponentiation).
204 o New engine module: VIA PadLOck ACE extension in VIA C3
206 o Added support for IPv6 addresses in certificate extensions.
207 See RFC 1884, section 2.2.
208 o Added support for certificate policy mappings, policy
209 constraints and name constraints.
210 o Added support for multi-valued AVAs in the OpenSSL
212 o Added support for multiple certificates with the same subject
213 in the 'openssl ca' index file.
214 o Make it possible to create self-signed certificates using
215 'openssl ca -selfsign'.
216 o Make it possible to generate a serial number file with
217 'openssl ca -create_serial'.
218 o New binary search functions with extended functionality.
220 o New STORE structure and library to provide an interface to all
221 sorts of data repositories. Supports storage of public and
222 private keys, certificates, CRLs, numbers and arbitrary blobs.
223 This library is unfortunately unfinished and unused withing
225 o New control functions for the error stack.
226 o Changed the PKCS#7 library to support one-pass S/MIME
228 o Added the possibility to compile without old deprecated
229 functionality with the OPENSSL_NO_DEPRECATED macro or the
230 'no-deprecated' argument to the config and Configure scripts.
231 o Constification of all ASN.1 conversion functions, and other
233 o Improved platform support for PowerPC.
234 o New FIPS 180-2 algorithms (SHA-224, -256, -384 and -512).
235 o New X509_VERIFY_PARAM structure to support parametrisation
236 of X.509 path validation.
237 o Major overhaul of RC4 performance on Intel P4, IA-64 and
239 o Changed the Configure script to have some algorithms disabled
240 by default. Those can be explicitely enabled with the new
241 argument form 'enable-xxx'.
242 o Change the default digest in 'openssl' commands from MD5 to
244 o Added support for DTLS.
245 o New BIGNUM blinding.
246 o Added support for the RSA-PSS encryption scheme
247 o Added support for the RSA X.931 padding.
248 o Added support for BSD sockets on NetWare.
249 o Added support for files larger than 2GB.
250 o Added initial support for Win64.
251 o Added alternate pkg-config files.
253 Major changes between OpenSSL 0.9.7l and OpenSSL 0.9.7m [23 Feb 2007]:
255 o FIPS 1.1.1 module linking.
256 o Various ciphersuite selection fixes.
258 Major changes between OpenSSL 0.9.7k and OpenSSL 0.9.7l [28 Sep 2006]:
260 o Introduce limits to prevent malicious key DoS (CVE-2006-2940)
261 o Fix security issues (CVE-2006-2937, CVE-2006-3737, CVE-2006-4343)
263 Major changes between OpenSSL 0.9.7j and OpenSSL 0.9.7k [5 Sep 2006]:
265 o Fix Daniel Bleichenbacher forged signature attack, CVE-2006-4339
267 Major changes between OpenSSL 0.9.7i and OpenSSL 0.9.7j [4 May 2006]:
269 o Visual C++ 2005 fixes.
270 o Update Windows build system for FIPS.
272 Major changes between OpenSSL 0.9.7h and OpenSSL 0.9.7i [14 Oct 2005]:
274 o Give EVP_MAX_MD_SIZE it's old value, except for a FIPS build.
276 Major changes between OpenSSL 0.9.7g and OpenSSL 0.9.7h [11 Oct 2005]:
278 o Fix SSL 2.0 Rollback, CVE-2005-2969
279 o Allow use of fixed-length exponent on DSA signing
280 o Default fixed-window RSA, DSA, DH private-key operations
282 Major changes between OpenSSL 0.9.7f and OpenSSL 0.9.7g [11 Apr 2005]:
284 o More compilation issues fixed.
285 o Adaptation to more modern Kerberos API.
286 o Enhanced or corrected configuration for Solaris64, Mingw and Cygwin.
287 o Enhanced x86_64 assembler BIGNUM module.
288 o More constification.
289 o Added processing of proxy certificates (RFC 3820).
291 Major changes between OpenSSL 0.9.7e and OpenSSL 0.9.7f [22 Mar 2005]:
293 o Several compilation issues fixed.
294 o Many memory allocation failure checks added.
295 o Improved comparison of X509 Name type.
296 o Mandatory basic checks on certificates.
297 o Performance improvements.
299 Major changes between OpenSSL 0.9.7d and OpenSSL 0.9.7e [25 Oct 2004]:
301 o Fix race condition in CRL checking code.
302 o Fixes to PKCS#7 (S/MIME) code.
304 Major changes between OpenSSL 0.9.7c and OpenSSL 0.9.7d [17 Mar 2004]:
306 o Security: Fix Kerberos ciphersuite SSL/TLS handshaking bug
307 o Security: Fix null-pointer assignment in do_change_cipher_spec()
308 o Allow multiple active certificates with same subject in CA index
309 o Multiple X509 verification fixes
310 o Speed up HMAC and other operations
312 Major changes between OpenSSL 0.9.7b and OpenSSL 0.9.7c [30 Sep 2003]:
314 o Security: fix various ASN1 parsing bugs.
315 o New -ignore_err option to OCSP utility.
316 o Various interop and bug fixes in S/MIME code.
317 o SSL/TLS protocol fix for unrequested client certificates.
319 Major changes between OpenSSL 0.9.7a and OpenSSL 0.9.7b [10 Apr 2003]:
321 o Security: counter the Klima-Pokorny-Rosa extension of
322 Bleichbacher's attack
323 o Security: make RSA blinding default.
324 o Configuration: Irix fixes, AIX fixes, better mingw support.
325 o Support for new platforms: linux-ia64-ecc.
326 o Build: shared library support fixes.
327 o ASN.1: treat domainComponent correctly.
328 o Documentation: fixes and additions.
330 Major changes between OpenSSL 0.9.7 and OpenSSL 0.9.7a [19 Feb 2003]:
332 o Security: Important security related bugfixes.
333 o Enhanced compatibility with MIT Kerberos.
334 o Can be built without the ENGINE framework.
335 o IA32 assembler enhancements.
336 o Support for new platforms: FreeBSD/IA64 and FreeBSD/Sparc64.
337 o Configuration: the no-err option now works properly.
338 o SSL/TLS: now handles manual certificate chain building.
339 o SSL/TLS: certain session ID malfunctions corrected.
341 Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.7 [30 Dec 2002]:
343 o New library section OCSP.
344 o Complete rewrite of ASN1 code.
345 o CRL checking in verify code and openssl utility.
346 o Extension copying in 'ca' utility.
347 o Flexible display options in 'ca' utility.
348 o Provisional support for international characters with UTF8.
349 o Support for external crypto devices ('engine') is no longer
350 a separate distribution.
351 o New elliptic curve library section.
352 o New AES (Rijndael) library section.
353 o Support for new platforms: Windows CE, Tandem OSS, A/UX, AIX 64-bit,
354 Linux x86_64, Linux 64-bit on Sparc v9
355 o Extended support for some platforms: VxWorks
356 o Enhanced support for shared libraries.
357 o Now only builds PIC code when shared library support is requested.
358 o Support for pkg-config.
359 o Lots of new manuals.
360 o Makes symbolic links to or copies of manuals to cover all described
362 o Change DES API to clean up the namespace (some applications link also
363 against libdes providing similar functions having the same name).
364 Provide macros for backward compatibility (will be removed in the
366 o Unify handling of cryptographic algorithms (software and engine)
367 to be available via EVP routines for asymmetric and symmetric ciphers.
368 o NCONF: new configuration handling routines.
369 o Change API to use more 'const' modifiers to improve error checking
371 o Finally remove references to RSAref.
372 o Reworked parts of the BIGNUM code.
373 o Support for new engines: Broadcom ubsec, Accelerated Encryption
374 Processing, IBM 4758.
375 o A few new engines added in the demos area.
376 o Extended and corrected OID (object identifier) table.
377 o PRNG: query at more locations for a random device, automatic query for
378 EGD style random sources at several locations.
379 o SSL/TLS: allow optional cipher choice according to server's preference.
380 o SSL/TLS: allow server to explicitly set new session ids.
381 o SSL/TLS: support Kerberos cipher suites (RFC2712).
382 Only supports MIT Kerberos for now.
383 o SSL/TLS: allow more precise control of renegotiations and sessions.
384 o SSL/TLS: add callback to retrieve SSL/TLS messages.
385 o SSL/TLS: support AES cipher suites (RFC3268).
387 Major changes between OpenSSL 0.9.6j and OpenSSL 0.9.6k [30 Sep 2003]:
389 o Security: fix various ASN1 parsing bugs.
390 o SSL/TLS protocol fix for unrequested client certificates.
392 Major changes between OpenSSL 0.9.6i and OpenSSL 0.9.6j [10 Apr 2003]:
394 o Security: counter the Klima-Pokorny-Rosa extension of
395 Bleichbacher's attack
396 o Security: make RSA blinding default.
397 o Build: shared library support fixes.
399 Major changes between OpenSSL 0.9.6h and OpenSSL 0.9.6i [19 Feb 2003]:
401 o Important security related bugfixes.
403 Major changes between OpenSSL 0.9.6g and OpenSSL 0.9.6h [5 Dec 2002]:
405 o New configuration targets for Tandem OSS and A/UX.
406 o New OIDs for Microsoft attributes.
407 o Better handling of SSL session caching.
408 o Better comparison of distinguished names.
409 o Better handling of shared libraries in a mixed GNU/non-GNU environment.
410 o Support assembler code with Borland C.
411 o Fixes for length problems.
412 o Fixes for uninitialised variables.
413 o Fixes for memory leaks, some unusual crashes and some race conditions.
414 o Fixes for smaller building problems.
415 o Updates of manuals, FAQ and other instructive documents.
417 Major changes between OpenSSL 0.9.6f and OpenSSL 0.9.6g [9 Aug 2002]:
419 o Important building fixes on Unix.
421 Major changes between OpenSSL 0.9.6e and OpenSSL 0.9.6f [8 Aug 2002]:
423 o Various important bugfixes.
425 Major changes between OpenSSL 0.9.6d and OpenSSL 0.9.6e [30 Jul 2002]:
427 o Important security related bugfixes.
428 o Various SSL/TLS library bugfixes.
430 Major changes between OpenSSL 0.9.6c and OpenSSL 0.9.6d [9 May 2002]:
432 o Various SSL/TLS library bugfixes.
433 o Fix DH parameter generation for 'non-standard' generators.
435 Major changes between OpenSSL 0.9.6b and OpenSSL 0.9.6c [21 Dec 2001]:
437 o Various SSL/TLS library bugfixes.
438 o BIGNUM library fixes.
439 o RSA OAEP and random number generation fixes.
440 o Object identifiers corrected and added.
441 o Add assembler BN routines for IA64.
442 o Add support for OS/390 Unix, UnixWare with gcc, OpenUNIX 8,
443 MIPS Linux; shared library support for Irix, HP-UX.
444 o Add crypto accelerator support for AEP, Baltimore SureWare,
445 Broadcom and Cryptographic Appliance's keyserver
446 [in 0.9.6c-engine release].
448 Major changes between OpenSSL 0.9.6a and OpenSSL 0.9.6b [9 Jul 2001]:
450 o Security fix: PRNG improvements.
451 o Security fix: RSA OAEP check.
452 o Security fix: Reinsert and fix countermeasure to Bleichbacher's
454 o MIPS bug fix in BIGNUM.
455 o Bug fix in "openssl enc".
456 o Bug fix in X.509 printing routine.
457 o Bug fix in DSA verification routine and DSA S/MIME verification.
458 o Bug fix to make PRNG thread-safe.
459 o Bug fix in RAND_file_name().
460 o Bug fix in compatibility mode trust settings.
461 o Bug fix in blowfish EVP.
462 o Increase default size for BIO buffering filter.
463 o Compatibility fixes in some scripts.
465 Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.6a [5 Apr 2001]:
467 o Security fix: change behavior of OpenSSL to avoid using
468 environment variables when running as root.
469 o Security fix: check the result of RSA-CRT to reduce the
470 possibility of deducing the private key from an incorrectly
471 calculated signature.
472 o Security fix: prevent Bleichenbacher's DSA attack.
473 o Security fix: Zero the premaster secret after deriving the
474 master secret in DH ciphersuites.
475 o Reimplement SSL_peek(), which had various problems.
476 o Compatibility fix: the function des_encrypt() renamed to
477 des_encrypt1() to avoid clashes with some Unixen libc.
478 o Bug fixes for Win32, HP/UX and Irix.
479 o Bug fixes in BIGNUM, SSL, PKCS#7, PKCS#12, X.509, CONF and
480 memory checking routines.
481 o Bug fixes for RSA operations in threaded environments.
482 o Bug fixes in misc. openssl applications.
483 o Remove a few potential memory leaks.
484 o Add tighter checks of BIGNUM routines.
485 o Shared library support has been reworked for generality.
486 o More documentation.
487 o New function BN_rand_range().
488 o Add "-rand" option to openssl s_client and s_server.
490 Major changes between OpenSSL 0.9.5a and OpenSSL 0.9.6 [10 Oct 2000]:
492 o Some documentation for BIO and SSL libraries.
493 o Enhanced chain verification using key identifiers.
494 o New sign and verify options to 'dgst' application.
495 o Support for DER and PEM encoded messages in 'smime' application.
496 o New 'rsautl' application, low level RSA utility.
498 o Bugfix for SSL rollback padding check.
499 o Support for external crypto devices [1].
500 o Enhanced EVP interface.
502 [1] The support for external crypto devices is currently a separate
503 distribution. See the file README.ENGINE.
505 Major changes between OpenSSL 0.9.5 and OpenSSL 0.9.5a [1 Apr 2000]:
507 o Bug fixes for Win32, SuSE Linux, NeXTSTEP and FreeBSD 2.2.8
508 o Shared library support for HPUX and Solaris-gcc
509 o Support of Linux/IA64
510 o Assembler support for Mingw32
511 o New 'rand' application
512 o New way to check for existence of algorithms from scripts
514 Major changes between OpenSSL 0.9.4 and OpenSSL 0.9.5 [25 May 2000]:
516 o S/MIME support in new 'smime' command
517 o Documentation for the OpenSSL command line application
518 o Automation of 'req' application
519 o Fixes to make s_client, s_server work under Windows
520 o Support for multiple fieldnames in SPKACs
521 o New SPKAC command line utilty and associated library functions
522 o Options to allow passwords to be obtained from various sources
523 o New public key PEM format and options to handle it
524 o Many other fixes and enhancements to command line utilities
525 o Usable certificate chain verification
526 o Certificate purpose checking
527 o Certificate trust settings
528 o Support of authority information access extension
529 o Extensions in certificate requests
530 o Simplified X509 name and attribute routines
531 o Initial (incomplete) support for international character sets
532 o New DH_METHOD, DSA_METHOD and enhanced RSA_METHOD
533 o Read only memory BIOs and simplified creation function
534 o TLS/SSL protocol bugfixes: Accept TLS 'client hello' in SSL 3.0
535 record; allow fragmentation and interleaving of handshake and other
537 o TLS/SSL code now "tolerates" MS SGC
538 o Work around for Netscape client certificate hang bug
539 o RSA_NULL option that removes RSA patent code but keeps other
541 o Memory leak detection now allows applications to add extra information
542 via a per-thread stack
543 o PRNG robustness improved
545 o BIGNUM library bug fixes
546 o Faster DSA parameter generation
547 o Enhanced support for Alpha Linux
548 o Experimental MacOS support
550 Major changes between OpenSSL 0.9.3 and OpenSSL 0.9.4 [9 Aug 1999]:
552 o Transparent support for PKCS#8 format private keys: these are used
553 by several software packages and are more secure than the standard
555 o PKCS#5 v2.0 implementation
556 o Password callbacks have a new void * argument for application data
557 o Avoid various memory leaks
558 o New pipe-like BIO that allows using the SSL library when actual I/O
559 must be handled by the application (BIO pair)
561 Major changes between OpenSSL 0.9.2b and OpenSSL 0.9.3 [24 May 1999]:
562 o Lots of enhancements and cleanups to the Configuration mechanism
563 o RSA OEAP related fixes
564 o Added `openssl ca -revoke' option for revoking a certificate
565 o Source cleanups: const correctness, type-safe stacks and ASN.1 SETs
566 o Source tree cleanups: removed lots of obsolete files
567 o Thawte SXNet, certificate policies and CRL distribution points
569 o Preliminary (experimental) S/MIME support
570 o Support for ASN.1 UTF8String and VisibleString
571 o Full integration of PKCS#12 code
572 o Sparc assembler bignum implementation, optimized hash functions
573 o Option to disable selected ciphers
575 Major changes between OpenSSL 0.9.1c and OpenSSL 0.9.2b [22 Mar 1999]:
576 o Fixed a security hole related to session resumption
577 o Fixed RSA encryption routines for the p < q case
578 o "ALL" in cipher lists now means "everything except NULL ciphers"
579 o Support for Triple-DES CBCM cipher
580 o Support of Optimal Asymmetric Encryption Padding (OAEP) for RSA
581 o First support for new TLSv1 ciphers
582 o Added a few new BIOs (syslog BIO, reliable BIO)
583 o Extended support for DSA certificate/keys.
584 o Extended support for Certificate Signing Requests (CSR)
585 o Initial support for X.509v3 extensions
586 o Extended support for compression inside the SSL record layer
587 o Overhauled Win32 builds
588 o Cleanups and fixes to the Big Number (BN) library
589 o Support for ASN.1 GeneralizedTime
590 o Splitted ASN.1 SETs from SEQUENCEs
591 o ASN1 and PEM support for Netscape Certificate Sequences
592 o Overhauled Perl interface
593 o Lots of source tree cleanups.
594 o Lots of memory leak fixes.
597 Major changes between SSLeay 0.9.0b and OpenSSL 0.9.1c [23 Dec 1998]:
598 o Integration of the popular NO_RSA/NO_DSA patches
599 o Initial support for compression inside the SSL record layer
600 o Added BIO proxy and filtering functionality
601 o Extended Big Number (BN) library
602 o Added RIPE MD160 message digest
603 o Addeed support for RC2/64bit cipher
604 o Extended ASN.1 parser routines
605 o Adjustations of the source tree for CVS
606 o Support for various new platforms