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 1.0.0r and OpenSSL 1.0.0s [under development]
12 Major changes between OpenSSL 1.0.0q and OpenSSL 1.0.0r [19 Mar 2015]
14 o Segmentation fault in ASN1_TYPE_cmp fix (CVE-2015-0286)
15 o ASN.1 structure reuse memory corruption fix (CVE-2015-0287)
16 o PKCS7 NULL pointer dereferences fix (CVE-2015-0289)
17 o DoS via reachable assert in SSLv2 servers fix (CVE-2015-0293)
18 o Use After Free following d2i_ECPrivatekey error fix (CVE-2015-0209)
19 o X509_to_X509_REQ NULL pointer deref fix (CVE-2015-0288)
20 o Removed the export ciphers from the DEFAULT ciphers
22 Major changes between OpenSSL 1.0.0p and OpenSSL 1.0.0q [15 Jan 2015]
24 o Build fixes for the Windows and OpenVMS platforms
26 Major changes between OpenSSL 1.0.0o and OpenSSL 1.0.0p [8 Jan 2015]
28 o Fix for CVE-2014-3571
29 o Fix for CVE-2015-0206
30 o Fix for CVE-2014-3569
31 o Fix for CVE-2014-3572
32 o Fix for CVE-2015-0204
33 o Fix for CVE-2015-0205
34 o Fix for CVE-2014-8275
35 o Fix for CVE-2014-3570
37 Major changes between OpenSSL 1.0.0n and OpenSSL 1.0.0o [15 Oct 2014]
39 o Fix for CVE-2014-3513
40 o Fix for CVE-2014-3567
41 o Mitigation for CVE-2014-3566 (SSL protocol vulnerability)
42 o Fix for CVE-2014-3568
44 Major changes between OpenSSL 1.0.0m and OpenSSL 1.0.0n [6 Aug 2014]
46 o Fix for CVE-2014-3510
47 o Fix for CVE-2014-3507
48 o Fix for CVE-2014-3506
49 o Fix for CVE-2014-3505
50 o Fix for CVE-2014-3509
51 o Fix for CVE-2014-3508
53 Known issues in OpenSSL 1.0.0m:
55 o EAP-FAST and other applications using tls_session_secret_cb
56 wont resume sessions. Fixed in 1.0.0n-dev
57 o Compilation failure of s3_pkt.c on some platforms due to missing
58 <limits.h> include. Fixed in 1.0.0n-dev
60 Major changes between OpenSSL 1.0.0l and OpenSSL 1.0.0m [5 Jun 2014]
62 o Fix for CVE-2014-0224
63 o Fix for CVE-2014-0221
64 o Fix for CVE-2014-0198
65 o Fix for CVE-2014-0195
66 o Fix for CVE-2014-3470
67 o Fix for CVE-2014-0076
68 o Fix for CVE-2010-5298
70 Major changes between OpenSSL 1.0.0k and OpenSSL 1.0.0l [6 Jan 2014]
72 o Fix for DTLS retransmission bug CVE-2013-6450
74 Major changes between OpenSSL 1.0.0j and OpenSSL 1.0.0k [5 Feb 2013]:
76 o Fix for SSL/TLS/DTLS CBC plaintext recovery attack CVE-2013-0169
77 o Fix OCSP bad key DoS attack CVE-2013-0166
79 Major changes between OpenSSL 1.0.0i and OpenSSL 1.0.0j [10 May 2012]:
81 o Fix DTLS record length checking bug CVE-2012-2333
83 Major changes between OpenSSL 1.0.0h and OpenSSL 1.0.0i [19 Apr 2012]:
85 o Fix for ASN1 overflow bug CVE-2012-2110
87 Major changes between OpenSSL 1.0.0g and OpenSSL 1.0.0h [12 Mar 2012]:
89 o Fix for CMS/PKCS#7 MMA CVE-2012-0884
90 o Corrected fix for CVE-2011-4619
93 Major changes between OpenSSL 1.0.0f and OpenSSL 1.0.0g [18 Jan 2012]:
95 o Fix for DTLS DoS issue CVE-2012-0050
97 Major changes between OpenSSL 1.0.0e and OpenSSL 1.0.0f [4 Jan 2012]:
99 o Fix for DTLS plaintext recovery attack CVE-2011-4108
100 o Clear block padding bytes of SSL 3.0 records CVE-2011-4576
101 o Only allow one SGC handshake restart for SSL/TLS CVE-2011-4619
102 o Check parameters are not NULL in GOST ENGINE CVE-2012-0027
103 o Check for malformed RFC3779 data CVE-2011-4577
105 Major changes between OpenSSL 1.0.0d and OpenSSL 1.0.0e [6 Sep 2011]:
107 o Fix for CRL vulnerability issue CVE-2011-3207
108 o Fix for ECDH crashes CVE-2011-3210
109 o Protection against EC timing attacks.
110 o Support ECDH ciphersuites for certificates using SHA2 algorithms.
111 o Various DTLS fixes.
113 Major changes between OpenSSL 1.0.0c and OpenSSL 1.0.0d [8 Feb 2011]:
115 o Fix for security issue CVE-2011-0014
117 Major changes between OpenSSL 1.0.0b and OpenSSL 1.0.0c [2 Dec 2010]:
119 o Fix for security issue CVE-2010-4180
120 o Fix for CVE-2010-4252
121 o Fix mishandling of absent EC point format extension.
122 o Fix various platform compilation issues.
123 o Corrected fix for security issue CVE-2010-3864.
125 Major changes between OpenSSL 1.0.0a and OpenSSL 1.0.0b [16 Nov 2010]:
127 o Fix for security issue CVE-2010-3864.
128 o Fix for CVE-2010-2939
129 o Fix WIN32 build system for GOST ENGINE.
131 Major changes between OpenSSL 1.0.0 and OpenSSL 1.0.0a [1 Jun 2010]:
133 o Fix for security issue CVE-2010-1633.
134 o GOST MAC and CFB fixes.
136 Major changes between OpenSSL 0.9.8n and OpenSSL 1.0.0 [29 Mar 2010]:
138 o RFC3280 path validation: sufficient to process PKITS tests.
139 o Integrated support for PVK files and keyblobs.
140 o Change default private key format to PKCS#8.
141 o CMS support: able to process all examples in RFC4134
142 o Streaming ASN1 encode support for PKCS#7 and CMS.
143 o Multiple signer and signer add support for PKCS#7 and CMS.
144 o ASN1 printing support.
145 o Whirlpool hash algorithm added.
146 o RFC3161 time stamp support.
147 o New generalised public key API supporting ENGINE based algorithms.
148 o New generalised public key API utilities.
149 o New ENGINE supporting GOST algorithms.
150 o SSL/TLS GOST ciphersuite support.
151 o PKCS#7 and CMS GOST support.
152 o RFC4279 PSK ciphersuite support.
153 o Supported points format extension for ECC ciphersuites.
154 o ecdsa-with-SHA224/256/384/512 signature types.
155 o dsa-with-SHA224 and dsa-with-SHA256 signature types.
156 o Opaque PRF Input TLS extension support.
157 o Updated time routines to avoid OS limitations.
159 Major changes between OpenSSL 0.9.8m and OpenSSL 0.9.8n [24 Mar 2010]:
161 o CFB cipher definition fixes.
162 o Fix security issues CVE-2010-0740 and CVE-2010-0433.
164 Major changes between OpenSSL 0.9.8l and OpenSSL 0.9.8m [25 Feb 2010]:
166 o Cipher definition fixes.
167 o Workaround for slow RAND_poll() on some WIN32 versions.
168 o Remove MD2 from algorithm tables.
169 o SPKAC handling fixes.
170 o Support for RFC5746 TLS renegotiation extension.
171 o Compression memory leak fixed.
172 o Compression session resumption fixed.
173 o Ticket and SNI coexistence fixes.
174 o Many fixes to DTLS handling.
176 Major changes between OpenSSL 0.9.8k and OpenSSL 0.9.8l [5 Nov 2009]:
178 o Temporary work around for CVE-2009-3555: disable renegotiation.
180 Major changes between OpenSSL 0.9.8j and OpenSSL 0.9.8k [25 Mar 2009]:
182 o Fix various build issues.
183 o Fix security issues (CVE-2009-0590, CVE-2009-0591, CVE-2009-0789)
185 Major changes between OpenSSL 0.9.8i and OpenSSL 0.9.8j [7 Jan 2009]:
187 o Fix security issue (CVE-2008-5077)
188 o Merge FIPS 140-2 branch code.
190 Major changes between OpenSSL 0.9.8g and OpenSSL 0.9.8h [28 May 2008]:
192 o CryptoAPI ENGINE support.
193 o Various precautionary measures.
194 o Fix for bugs affecting certificate request creation.
195 o Support for local machine keyset attribute in PKCS#12 files.
197 Major changes between OpenSSL 0.9.8f and OpenSSL 0.9.8g [19 Oct 2007]:
199 o Backport of CMS functionality to 0.9.8.
200 o Fixes for bugs introduced with 0.9.8f.
202 Major changes between OpenSSL 0.9.8e and OpenSSL 0.9.8f [11 Oct 2007]:
204 o Add gcc 4.2 support.
205 o Add support for AES and SSE2 assembly lanugauge optimization
207 o Support for RFC4507bis and server name extensions if explicitly
208 selected at compile time.
210 o RFC4507bis support.
211 o TLS Extensions support.
213 Major changes between OpenSSL 0.9.8d and OpenSSL 0.9.8e [23 Feb 2007]:
215 o Various ciphersuite selection fixes.
218 Major changes between OpenSSL 0.9.8c and OpenSSL 0.9.8d [28 Sep 2006]:
220 o Introduce limits to prevent malicious key DoS (CVE-2006-2940)
221 o Fix security issues (CVE-2006-2937, CVE-2006-3737, CVE-2006-4343)
222 o Changes to ciphersuite selection algorithm
224 Major changes between OpenSSL 0.9.8b and OpenSSL 0.9.8c [5 Sep 2006]:
226 o Fix Daniel Bleichenbacher forged signature attack, CVE-2006-4339
227 o New cipher Camellia
229 Major changes between OpenSSL 0.9.8a and OpenSSL 0.9.8b [4 May 2006]:
231 o Cipher string fixes.
232 o Fixes for VC++ 2005.
233 o Updated ECC cipher suite support.
234 o New functions EVP_CIPHER_CTX_new() and EVP_CIPHER_CTX_free().
235 o Zlib compression usage fixes.
236 o Built in dynamic engine compilation support on Win32.
237 o Fixes auto dynamic engine loading in Win32.
239 Major changes between OpenSSL 0.9.8 and OpenSSL 0.9.8a [11 Oct 2005]:
241 o Fix potential SSL 2.0 rollback, CVE-2005-2969
242 o Extended Windows CE support
244 Major changes between OpenSSL 0.9.7g and OpenSSL 0.9.8 [5 Jul 2005]:
246 o Major work on the BIGNUM library for higher efficiency and to
247 make operations more streamlined and less contradictory. This
248 is the result of a major audit of the BIGNUM library.
249 o Addition of BIGNUM functions for fields GF(2^m) and NIST
250 curves, to support the Elliptic Crypto functions.
251 o Major work on Elliptic Crypto; ECDH and ECDSA added, including
252 the use through EVP, X509 and ENGINE.
253 o New ASN.1 mini-compiler that's usable through the OpenSSL
255 o Added support for ASN.1 indefinite length constructed encoding.
256 o New PKCS#12 'medium level' API to manipulate PKCS#12 files.
257 o Complete rework of shared library construction and linking
258 programs with shared or static libraries, through a separate
260 o Rework of the passing of parameters from one Makefile to another.
261 o Changed ENGINE framework to load dynamic engine modules
262 automatically from specifically given directories.
263 o New structure and ASN.1 functions for CertificatePair.
264 o Changed the ZLIB compression method to be stateful.
265 o Changed the key-generation and primality testing "progress"
266 mechanism to take a structure that contains the ticker
267 function and an argument.
268 o New engine module: GMP (performs private key exponentiation).
269 o New engine module: VIA PadLOck ACE extension in VIA C3
271 o Added support for IPv6 addresses in certificate extensions.
272 See RFC 1884, section 2.2.
273 o Added support for certificate policy mappings, policy
274 constraints and name constraints.
275 o Added support for multi-valued AVAs in the OpenSSL
277 o Added support for multiple certificates with the same subject
278 in the 'openssl ca' index file.
279 o Make it possible to create self-signed certificates using
280 'openssl ca -selfsign'.
281 o Make it possible to generate a serial number file with
282 'openssl ca -create_serial'.
283 o New binary search functions with extended functionality.
285 o New STORE structure and library to provide an interface to all
286 sorts of data repositories. Supports storage of public and
287 private keys, certificates, CRLs, numbers and arbitrary blobs.
288 This library is unfortunately unfinished and unused withing
290 o New control functions for the error stack.
291 o Changed the PKCS#7 library to support one-pass S/MIME
293 o Added the possibility to compile without old deprecated
294 functionality with the OPENSSL_NO_DEPRECATED macro or the
295 'no-deprecated' argument to the config and Configure scripts.
296 o Constification of all ASN.1 conversion functions, and other
298 o Improved platform support for PowerPC.
299 o New FIPS 180-2 algorithms (SHA-224, -256, -384 and -512).
300 o New X509_VERIFY_PARAM structure to support parametrisation
301 of X.509 path validation.
302 o Major overhaul of RC4 performance on Intel P4, IA-64 and
304 o Changed the Configure script to have some algorithms disabled
305 by default. Those can be explicitely enabled with the new
306 argument form 'enable-xxx'.
307 o Change the default digest in 'openssl' commands from MD5 to
309 o Added support for DTLS.
310 o New BIGNUM blinding.
311 o Added support for the RSA-PSS encryption scheme
312 o Added support for the RSA X.931 padding.
313 o Added support for BSD sockets on NetWare.
314 o Added support for files larger than 2GB.
315 o Added initial support for Win64.
316 o Added alternate pkg-config files.
318 Major changes between OpenSSL 0.9.7l and OpenSSL 0.9.7m [23 Feb 2007]:
320 o FIPS 1.1.1 module linking.
321 o Various ciphersuite selection fixes.
323 Major changes between OpenSSL 0.9.7k and OpenSSL 0.9.7l [28 Sep 2006]:
325 o Introduce limits to prevent malicious key DoS (CVE-2006-2940)
326 o Fix security issues (CVE-2006-2937, CVE-2006-3737, CVE-2006-4343)
328 Major changes between OpenSSL 0.9.7j and OpenSSL 0.9.7k [5 Sep 2006]:
330 o Fix Daniel Bleichenbacher forged signature attack, CVE-2006-4339
332 Major changes between OpenSSL 0.9.7i and OpenSSL 0.9.7j [4 May 2006]:
334 o Visual C++ 2005 fixes.
335 o Update Windows build system for FIPS.
337 Major changes between OpenSSL 0.9.7h and OpenSSL 0.9.7i [14 Oct 2005]:
339 o Give EVP_MAX_MD_SIZE it's old value, except for a FIPS build.
341 Major changes between OpenSSL 0.9.7g and OpenSSL 0.9.7h [11 Oct 2005]:
343 o Fix SSL 2.0 Rollback, CVE-2005-2969
344 o Allow use of fixed-length exponent on DSA signing
345 o Default fixed-window RSA, DSA, DH private-key operations
347 Major changes between OpenSSL 0.9.7f and OpenSSL 0.9.7g [11 Apr 2005]:
349 o More compilation issues fixed.
350 o Adaptation to more modern Kerberos API.
351 o Enhanced or corrected configuration for Solaris64, Mingw and Cygwin.
352 o Enhanced x86_64 assembler BIGNUM module.
353 o More constification.
354 o Added processing of proxy certificates (RFC 3820).
356 Major changes between OpenSSL 0.9.7e and OpenSSL 0.9.7f [22 Mar 2005]:
358 o Several compilation issues fixed.
359 o Many memory allocation failure checks added.
360 o Improved comparison of X509 Name type.
361 o Mandatory basic checks on certificates.
362 o Performance improvements.
364 Major changes between OpenSSL 0.9.7d and OpenSSL 0.9.7e [25 Oct 2004]:
366 o Fix race condition in CRL checking code.
367 o Fixes to PKCS#7 (S/MIME) code.
369 Major changes between OpenSSL 0.9.7c and OpenSSL 0.9.7d [17 Mar 2004]:
371 o Security: Fix Kerberos ciphersuite SSL/TLS handshaking bug
372 o Security: Fix null-pointer assignment in do_change_cipher_spec()
373 o Allow multiple active certificates with same subject in CA index
374 o Multiple X509 verification fixes
375 o Speed up HMAC and other operations
377 Major changes between OpenSSL 0.9.7b and OpenSSL 0.9.7c [30 Sep 2003]:
379 o Security: fix various ASN1 parsing bugs.
380 o New -ignore_err option to OCSP utility.
381 o Various interop and bug fixes in S/MIME code.
382 o SSL/TLS protocol fix for unrequested client certificates.
384 Major changes between OpenSSL 0.9.7a and OpenSSL 0.9.7b [10 Apr 2003]:
386 o Security: counter the Klima-Pokorny-Rosa extension of
387 Bleichbacher's attack
388 o Security: make RSA blinding default.
389 o Configuration: Irix fixes, AIX fixes, better mingw support.
390 o Support for new platforms: linux-ia64-ecc.
391 o Build: shared library support fixes.
392 o ASN.1: treat domainComponent correctly.
393 o Documentation: fixes and additions.
395 Major changes between OpenSSL 0.9.7 and OpenSSL 0.9.7a [19 Feb 2003]:
397 o Security: Important security related bugfixes.
398 o Enhanced compatibility with MIT Kerberos.
399 o Can be built without the ENGINE framework.
400 o IA32 assembler enhancements.
401 o Support for new platforms: FreeBSD/IA64 and FreeBSD/Sparc64.
402 o Configuration: the no-err option now works properly.
403 o SSL/TLS: now handles manual certificate chain building.
404 o SSL/TLS: certain session ID malfunctions corrected.
406 Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.7 [30 Dec 2002]:
408 o New library section OCSP.
409 o Complete rewrite of ASN1 code.
410 o CRL checking in verify code and openssl utility.
411 o Extension copying in 'ca' utility.
412 o Flexible display options in 'ca' utility.
413 o Provisional support for international characters with UTF8.
414 o Support for external crypto devices ('engine') is no longer
415 a separate distribution.
416 o New elliptic curve library section.
417 o New AES (Rijndael) library section.
418 o Support for new platforms: Windows CE, Tandem OSS, A/UX, AIX 64-bit,
419 Linux x86_64, Linux 64-bit on Sparc v9
420 o Extended support for some platforms: VxWorks
421 o Enhanced support for shared libraries.
422 o Now only builds PIC code when shared library support is requested.
423 o Support for pkg-config.
424 o Lots of new manuals.
425 o Makes symbolic links to or copies of manuals to cover all described
427 o Change DES API to clean up the namespace (some applications link also
428 against libdes providing similar functions having the same name).
429 Provide macros for backward compatibility (will be removed in the
431 o Unify handling of cryptographic algorithms (software and engine)
432 to be available via EVP routines for asymmetric and symmetric ciphers.
433 o NCONF: new configuration handling routines.
434 o Change API to use more 'const' modifiers to improve error checking
436 o Finally remove references to RSAref.
437 o Reworked parts of the BIGNUM code.
438 o Support for new engines: Broadcom ubsec, Accelerated Encryption
439 Processing, IBM 4758.
440 o A few new engines added in the demos area.
441 o Extended and corrected OID (object identifier) table.
442 o PRNG: query at more locations for a random device, automatic query for
443 EGD style random sources at several locations.
444 o SSL/TLS: allow optional cipher choice according to server's preference.
445 o SSL/TLS: allow server to explicitly set new session ids.
446 o SSL/TLS: support Kerberos cipher suites (RFC2712).
447 Only supports MIT Kerberos for now.
448 o SSL/TLS: allow more precise control of renegotiations and sessions.
449 o SSL/TLS: add callback to retrieve SSL/TLS messages.
450 o SSL/TLS: support AES cipher suites (RFC3268).
452 Major changes between OpenSSL 0.9.6j and OpenSSL 0.9.6k [30 Sep 2003]:
454 o Security: fix various ASN1 parsing bugs.
455 o SSL/TLS protocol fix for unrequested client certificates.
457 Major changes between OpenSSL 0.9.6i and OpenSSL 0.9.6j [10 Apr 2003]:
459 o Security: counter the Klima-Pokorny-Rosa extension of
460 Bleichbacher's attack
461 o Security: make RSA blinding default.
462 o Build: shared library support fixes.
464 Major changes between OpenSSL 0.9.6h and OpenSSL 0.9.6i [19 Feb 2003]:
466 o Important security related bugfixes.
468 Major changes between OpenSSL 0.9.6g and OpenSSL 0.9.6h [5 Dec 2002]:
470 o New configuration targets for Tandem OSS and A/UX.
471 o New OIDs for Microsoft attributes.
472 o Better handling of SSL session caching.
473 o Better comparison of distinguished names.
474 o Better handling of shared libraries in a mixed GNU/non-GNU environment.
475 o Support assembler code with Borland C.
476 o Fixes for length problems.
477 o Fixes for uninitialised variables.
478 o Fixes for memory leaks, some unusual crashes and some race conditions.
479 o Fixes for smaller building problems.
480 o Updates of manuals, FAQ and other instructive documents.
482 Major changes between OpenSSL 0.9.6f and OpenSSL 0.9.6g [9 Aug 2002]:
484 o Important building fixes on Unix.
486 Major changes between OpenSSL 0.9.6e and OpenSSL 0.9.6f [8 Aug 2002]:
488 o Various important bugfixes.
490 Major changes between OpenSSL 0.9.6d and OpenSSL 0.9.6e [30 Jul 2002]:
492 o Important security related bugfixes.
493 o Various SSL/TLS library bugfixes.
495 Major changes between OpenSSL 0.9.6c and OpenSSL 0.9.6d [9 May 2002]:
497 o Various SSL/TLS library bugfixes.
498 o Fix DH parameter generation for 'non-standard' generators.
500 Major changes between OpenSSL 0.9.6b and OpenSSL 0.9.6c [21 Dec 2001]:
502 o Various SSL/TLS library bugfixes.
503 o BIGNUM library fixes.
504 o RSA OAEP and random number generation fixes.
505 o Object identifiers corrected and added.
506 o Add assembler BN routines for IA64.
507 o Add support for OS/390 Unix, UnixWare with gcc, OpenUNIX 8,
508 MIPS Linux; shared library support for Irix, HP-UX.
509 o Add crypto accelerator support for AEP, Baltimore SureWare,
510 Broadcom and Cryptographic Appliance's keyserver
511 [in 0.9.6c-engine release].
513 Major changes between OpenSSL 0.9.6a and OpenSSL 0.9.6b [9 Jul 2001]:
515 o Security fix: PRNG improvements.
516 o Security fix: RSA OAEP check.
517 o Security fix: Reinsert and fix countermeasure to Bleichbacher's
519 o MIPS bug fix in BIGNUM.
520 o Bug fix in "openssl enc".
521 o Bug fix in X.509 printing routine.
522 o Bug fix in DSA verification routine and DSA S/MIME verification.
523 o Bug fix to make PRNG thread-safe.
524 o Bug fix in RAND_file_name().
525 o Bug fix in compatibility mode trust settings.
526 o Bug fix in blowfish EVP.
527 o Increase default size for BIO buffering filter.
528 o Compatibility fixes in some scripts.
530 Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.6a [5 Apr 2001]:
532 o Security fix: change behavior of OpenSSL to avoid using
533 environment variables when running as root.
534 o Security fix: check the result of RSA-CRT to reduce the
535 possibility of deducing the private key from an incorrectly
536 calculated signature.
537 o Security fix: prevent Bleichenbacher's DSA attack.
538 o Security fix: Zero the premaster secret after deriving the
539 master secret in DH ciphersuites.
540 o Reimplement SSL_peek(), which had various problems.
541 o Compatibility fix: the function des_encrypt() renamed to
542 des_encrypt1() to avoid clashes with some Unixen libc.
543 o Bug fixes for Win32, HP/UX and Irix.
544 o Bug fixes in BIGNUM, SSL, PKCS#7, PKCS#12, X.509, CONF and
545 memory checking routines.
546 o Bug fixes for RSA operations in threaded environments.
547 o Bug fixes in misc. openssl applications.
548 o Remove a few potential memory leaks.
549 o Add tighter checks of BIGNUM routines.
550 o Shared library support has been reworked for generality.
551 o More documentation.
552 o New function BN_rand_range().
553 o Add "-rand" option to openssl s_client and s_server.
555 Major changes between OpenSSL 0.9.5a and OpenSSL 0.9.6 [10 Oct 2000]:
557 o Some documentation for BIO and SSL libraries.
558 o Enhanced chain verification using key identifiers.
559 o New sign and verify options to 'dgst' application.
560 o Support for DER and PEM encoded messages in 'smime' application.
561 o New 'rsautl' application, low level RSA utility.
563 o Bugfix for SSL rollback padding check.
564 o Support for external crypto devices [1].
565 o Enhanced EVP interface.
567 [1] The support for external crypto devices is currently a separate
568 distribution. See the file README.ENGINE.
570 Major changes between OpenSSL 0.9.5 and OpenSSL 0.9.5a [1 Apr 2000]:
572 o Bug fixes for Win32, SuSE Linux, NeXTSTEP and FreeBSD 2.2.8
573 o Shared library support for HPUX and Solaris-gcc
574 o Support of Linux/IA64
575 o Assembler support for Mingw32
576 o New 'rand' application
577 o New way to check for existence of algorithms from scripts
579 Major changes between OpenSSL 0.9.4 and OpenSSL 0.9.5 [25 May 2000]:
581 o S/MIME support in new 'smime' command
582 o Documentation for the OpenSSL command line application
583 o Automation of 'req' application
584 o Fixes to make s_client, s_server work under Windows
585 o Support for multiple fieldnames in SPKACs
586 o New SPKAC command line utilty and associated library functions
587 o Options to allow passwords to be obtained from various sources
588 o New public key PEM format and options to handle it
589 o Many other fixes and enhancements to command line utilities
590 o Usable certificate chain verification
591 o Certificate purpose checking
592 o Certificate trust settings
593 o Support of authority information access extension
594 o Extensions in certificate requests
595 o Simplified X509 name and attribute routines
596 o Initial (incomplete) support for international character sets
597 o New DH_METHOD, DSA_METHOD and enhanced RSA_METHOD
598 o Read only memory BIOs and simplified creation function
599 o TLS/SSL protocol bugfixes: Accept TLS 'client hello' in SSL 3.0
600 record; allow fragmentation and interleaving of handshake and other
602 o TLS/SSL code now "tolerates" MS SGC
603 o Work around for Netscape client certificate hang bug
604 o RSA_NULL option that removes RSA patent code but keeps other
606 o Memory leak detection now allows applications to add extra information
607 via a per-thread stack
608 o PRNG robustness improved
610 o BIGNUM library bug fixes
611 o Faster DSA parameter generation
612 o Enhanced support for Alpha Linux
613 o Experimental MacOS support
615 Major changes between OpenSSL 0.9.3 and OpenSSL 0.9.4 [9 Aug 1999]:
617 o Transparent support for PKCS#8 format private keys: these are used
618 by several software packages and are more secure than the standard
620 o PKCS#5 v2.0 implementation
621 o Password callbacks have a new void * argument for application data
622 o Avoid various memory leaks
623 o New pipe-like BIO that allows using the SSL library when actual I/O
624 must be handled by the application (BIO pair)
626 Major changes between OpenSSL 0.9.2b and OpenSSL 0.9.3 [24 May 1999]:
627 o Lots of enhancements and cleanups to the Configuration mechanism
628 o RSA OEAP related fixes
629 o Added `openssl ca -revoke' option for revoking a certificate
630 o Source cleanups: const correctness, type-safe stacks and ASN.1 SETs
631 o Source tree cleanups: removed lots of obsolete files
632 o Thawte SXNet, certificate policies and CRL distribution points
634 o Preliminary (experimental) S/MIME support
635 o Support for ASN.1 UTF8String and VisibleString
636 o Full integration of PKCS#12 code
637 o Sparc assembler bignum implementation, optimized hash functions
638 o Option to disable selected ciphers
640 Major changes between OpenSSL 0.9.1c and OpenSSL 0.9.2b [22 Mar 1999]:
641 o Fixed a security hole related to session resumption
642 o Fixed RSA encryption routines for the p < q case
643 o "ALL" in cipher lists now means "everything except NULL ciphers"
644 o Support for Triple-DES CBCM cipher
645 o Support of Optimal Asymmetric Encryption Padding (OAEP) for RSA
646 o First support for new TLSv1 ciphers
647 o Added a few new BIOs (syslog BIO, reliable BIO)
648 o Extended support for DSA certificate/keys.
649 o Extended support for Certificate Signing Requests (CSR)
650 o Initial support for X.509v3 extensions
651 o Extended support for compression inside the SSL record layer
652 o Overhauled Win32 builds
653 o Cleanups and fixes to the Big Number (BN) library
654 o Support for ASN.1 GeneralizedTime
655 o Splitted ASN.1 SETs from SEQUENCEs
656 o ASN1 and PEM support for Netscape Certificate Sequences
657 o Overhauled Perl interface
658 o Lots of source tree cleanups.
659 o Lots of memory leak fixes.
662 Major changes between SSLeay 0.9.0b and OpenSSL 0.9.1c [23 Dec 1998]:
663 o Integration of the popular NO_RSA/NO_DSA patches
664 o Initial support for compression inside the SSL record layer
665 o Added BIO proxy and filtering functionality
666 o Extended Big Number (BN) library
667 o Added RIPE MD160 message digest
668 o Addeed support for RC2/64bit cipher
669 o Extended ASN.1 parser routines
670 o Adjustations of the source tree for CVS
671 o Support for various new platforms