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 1.0.0l and OpenSSL 1.0.0m [under development]
10 o Fix for CVE-2014-0076
12 Major changes between OpenSSL 1.0.0k and OpenSSL 1.0.0l [6 Jan 2014]
14 o Fix for DTLS retransmission bug CVE-2013-6450
16 Major changes between OpenSSL 1.0.0j and OpenSSL 1.0.0k [5 Feb 2013]:
18 o Fix for SSL/TLS/DTLS CBC plaintext recovery attack CVE-2013-0169
19 o Fix OCSP bad key DoS attack CVE-2013-0166
21 Major changes between OpenSSL 1.0.0i and OpenSSL 1.0.0j [10 May 2012]:
23 o Fix DTLS record length checking bug CVE-2012-2333
25 Major changes between OpenSSL 1.0.0h and OpenSSL 1.0.0i [19 Apr 2012]:
27 o Fix for ASN1 overflow bug CVE-2012-2110
29 Major changes between OpenSSL 1.0.0g and OpenSSL 1.0.0h [12 Mar 2012]:
31 o Fix for CMS/PKCS#7 MMA CVE-2012-0884
32 o Corrected fix for CVE-2011-4619
35 Major changes between OpenSSL 1.0.0f and OpenSSL 1.0.0g [18 Jan 2012]:
37 o Fix for DTLS DoS issue CVE-2012-0050
39 Major changes between OpenSSL 1.0.0e and OpenSSL 1.0.0f [4 Jan 2012]:
41 o Fix for DTLS plaintext recovery attack CVE-2011-4108
42 o Clear block padding bytes of SSL 3.0 records CVE-2011-4576
43 o Only allow one SGC handshake restart for SSL/TLS CVE-2011-4619
44 o Check parameters are not NULL in GOST ENGINE CVE-2012-0027
45 o Check for malformed RFC3779 data CVE-2011-4577
47 Major changes between OpenSSL 1.0.0d and OpenSSL 1.0.0e [6 Sep 2011]:
49 o Fix for CRL vulnerability issue CVE-2011-3207
50 o Fix for ECDH crashes CVE-2011-3210
51 o Protection against EC timing attacks.
52 o Support ECDH ciphersuites for certificates using SHA2 algorithms.
55 Major changes between OpenSSL 1.0.0c and OpenSSL 1.0.0d [8 Feb 2011]:
57 o Fix for security issue CVE-2011-0014
59 Major changes between OpenSSL 1.0.0b and OpenSSL 1.0.0c [2 Dec 2010]:
61 o Fix for security issue CVE-2010-4180
62 o Fix for CVE-2010-4252
63 o Fix mishandling of absent EC point format extension.
64 o Fix various platform compilation issues.
65 o Corrected fix for security issue CVE-2010-3864.
67 Major changes between OpenSSL 1.0.0a and OpenSSL 1.0.0b [16 Nov 2010]:
69 o Fix for security issue CVE-2010-3864.
70 o Fix for CVE-2010-2939
71 o Fix WIN32 build system for GOST ENGINE.
73 Major changes between OpenSSL 1.0.0 and OpenSSL 1.0.0a [1 Jun 2010]:
75 o Fix for security issue CVE-2010-1633.
76 o GOST MAC and CFB fixes.
78 Major changes between OpenSSL 0.9.8n and OpenSSL 1.0.0 [29 Mar 2010]:
80 o RFC3280 path validation: sufficient to process PKITS tests.
81 o Integrated support for PVK files and keyblobs.
82 o Change default private key format to PKCS#8.
83 o CMS support: able to process all examples in RFC4134
84 o Streaming ASN1 encode support for PKCS#7 and CMS.
85 o Multiple signer and signer add support for PKCS#7 and CMS.
86 o ASN1 printing support.
87 o Whirlpool hash algorithm added.
88 o RFC3161 time stamp support.
89 o New generalised public key API supporting ENGINE based algorithms.
90 o New generalised public key API utilities.
91 o New ENGINE supporting GOST algorithms.
92 o SSL/TLS GOST ciphersuite support.
93 o PKCS#7 and CMS GOST support.
94 o RFC4279 PSK ciphersuite support.
95 o Supported points format extension for ECC ciphersuites.
96 o ecdsa-with-SHA224/256/384/512 signature types.
97 o dsa-with-SHA224 and dsa-with-SHA256 signature types.
98 o Opaque PRF Input TLS extension support.
99 o Updated time routines to avoid OS limitations.
101 Major changes between OpenSSL 0.9.8x and OpenSSL 0.9.8y [5 Feb 2013]:
103 o Fix for SSL/TLS/DTLS CBC plaintext recovery attack CVE-2013-0169
104 o Fix OCSP bad key DoS attack CVE-2013-0166
106 Major changes between OpenSSL 0.9.8w and OpenSSL 0.9.8x [10 May 2012]:
108 o Fix DTLS record length checking bug CVE-2012-2333
110 Major changes between OpenSSL 0.9.8v and OpenSSL 0.9.8w [23 Apr 2012]:
112 o Fix for CVE-2012-2131 (corrected fix for 0.9.8 and CVE-2012-2110)
114 Major changes between OpenSSL 0.9.8u and OpenSSL 0.9.8v [19 Apr 2012]:
116 o Fix for ASN1 overflow bug CVE-2012-2110
118 Major changes between OpenSSL 0.9.8t and OpenSSL 0.9.8u [12 Mar 2012]:
120 o Fix for CMS/PKCS#7 MMA CVE-2012-0884
121 o Corrected fix for CVE-2011-4619
122 o Various DTLS fixes.
124 Major changes between OpenSSL 0.9.8s and OpenSSL 0.9.8t [18 Jan 2012]:
126 o Fix for DTLS DoS issue CVE-2012-0050
128 Major changes between OpenSSL 0.9.8r and OpenSSL 0.9.8s [4 Jan 2012]:
130 o Fix for DTLS plaintext recovery attack CVE-2011-4108
131 o Fix policy check double free error CVE-2011-4109
132 o Clear block padding bytes of SSL 3.0 records CVE-2011-4576
133 o Only allow one SGC handshake restart for SSL/TLS CVE-2011-4619
134 o Check for malformed RFC3779 data CVE-2011-4577
136 Major changes between OpenSSL 0.9.8q and OpenSSL 0.9.8r [8 Feb 2011]:
138 o Fix for security issue CVE-2011-0014
140 Major changes between OpenSSL 0.9.8p and OpenSSL 0.9.8q [2 Dec 2010]:
142 o Fix for security issue CVE-2010-4180
143 o Fix for CVE-2010-4252
145 Major changes between OpenSSL 0.9.8o and OpenSSL 0.9.8p [16 Nov 2010]:
147 o Fix for security issue CVE-2010-3864.
149 Major changes between OpenSSL 0.9.8n and OpenSSL 0.9.8o [1 Jun 2010]:
151 o Fix for security issue CVE-2010-0742.
152 o Various DTLS fixes.
153 o Recognise SHA2 certificates if only SSL algorithms added.
154 o Fix for no-rc4 compilation.
155 o Chil ENGINE unload workaround.
157 Major changes between OpenSSL 0.9.8m and OpenSSL 0.9.8n [24 Mar 2010]:
159 o CFB cipher definition fixes.
160 o Fix security issues CVE-2010-0740 and CVE-2010-0433.
162 Major changes between OpenSSL 0.9.8l and OpenSSL 0.9.8m [25 Feb 2010]:
164 o Cipher definition fixes.
165 o Workaround for slow RAND_poll() on some WIN32 versions.
166 o Remove MD2 from algorithm tables.
167 o SPKAC handling fixes.
168 o Support for RFC5746 TLS renegotiation extension.
169 o Compression memory leak fixed.
170 o Compression session resumption fixed.
171 o Ticket and SNI coexistence fixes.
172 o Many fixes to DTLS handling.
174 Major changes between OpenSSL 0.9.8k and OpenSSL 0.9.8l [5 Nov 2009]:
176 o Temporary work around for CVE-2009-3555: disable renegotiation.
178 Major changes between OpenSSL 0.9.8j and OpenSSL 0.9.8k [25 Mar 2009]:
180 o Fix various build issues.
181 o Fix security issues (CVE-2009-0590, CVE-2009-0591, CVE-2009-0789)
183 Major changes between OpenSSL 0.9.8i and OpenSSL 0.9.8j [7 Jan 2009]:
185 o Fix security issue (CVE-2008-5077)
186 o Merge FIPS 140-2 branch code.
188 Major changes between OpenSSL 0.9.8g and OpenSSL 0.9.8h [28 May 2008]:
190 o CryptoAPI ENGINE support.
191 o Various precautionary measures.
192 o Fix for bugs affecting certificate request creation.
193 o Support for local machine keyset attribute in PKCS#12 files.
195 Major changes between OpenSSL 0.9.8f and OpenSSL 0.9.8g [19 Oct 2007]:
197 o Backport of CMS functionality to 0.9.8.
198 o Fixes for bugs introduced with 0.9.8f.
200 Major changes between OpenSSL 0.9.8e and OpenSSL 0.9.8f [11 Oct 2007]:
202 o Add gcc 4.2 support.
203 o Add support for AES and SSE2 assembly lanugauge optimization
205 o Support for RFC4507bis and server name extensions if explicitly
206 selected at compile time.
208 o RFC4507bis support.
209 o TLS Extensions support.
211 Major changes between OpenSSL 0.9.8d and OpenSSL 0.9.8e [23 Feb 2007]:
213 o Various ciphersuite selection fixes.
216 Major changes between OpenSSL 0.9.8c and OpenSSL 0.9.8d [28 Sep 2006]:
218 o Introduce limits to prevent malicious key DoS (CVE-2006-2940)
219 o Fix security issues (CVE-2006-2937, CVE-2006-3737, CVE-2006-4343)
220 o Changes to ciphersuite selection algorithm
222 Major changes between OpenSSL 0.9.8b and OpenSSL 0.9.8c [5 Sep 2006]:
224 o Fix Daniel Bleichenbacher forged signature attack, CVE-2006-4339
225 o New cipher Camellia
227 Major changes between OpenSSL 0.9.8a and OpenSSL 0.9.8b [4 May 2006]:
229 o Cipher string fixes.
230 o Fixes for VC++ 2005.
231 o Updated ECC cipher suite support.
232 o New functions EVP_CIPHER_CTX_new() and EVP_CIPHER_CTX_free().
233 o Zlib compression usage fixes.
234 o Built in dynamic engine compilation support on Win32.
235 o Fixes auto dynamic engine loading in Win32.
237 Major changes between OpenSSL 0.9.8 and OpenSSL 0.9.8a [11 Oct 2005]:
239 o Fix potential SSL 2.0 rollback, CVE-2005-2969
240 o Extended Windows CE support
242 Major changes between OpenSSL 0.9.7g and OpenSSL 0.9.8 [5 Jul 2005]:
244 o Major work on the BIGNUM library for higher efficiency and to
245 make operations more streamlined and less contradictory. This
246 is the result of a major audit of the BIGNUM library.
247 o Addition of BIGNUM functions for fields GF(2^m) and NIST
248 curves, to support the Elliptic Crypto functions.
249 o Major work on Elliptic Crypto; ECDH and ECDSA added, including
250 the use through EVP, X509 and ENGINE.
251 o New ASN.1 mini-compiler that's usable through the OpenSSL
253 o Added support for ASN.1 indefinite length constructed encoding.
254 o New PKCS#12 'medium level' API to manipulate PKCS#12 files.
255 o Complete rework of shared library construction and linking
256 programs with shared or static libraries, through a separate
258 o Rework of the passing of parameters from one Makefile to another.
259 o Changed ENGINE framework to load dynamic engine modules
260 automatically from specifically given directories.
261 o New structure and ASN.1 functions for CertificatePair.
262 o Changed the ZLIB compression method to be stateful.
263 o Changed the key-generation and primality testing "progress"
264 mechanism to take a structure that contains the ticker
265 function and an argument.
266 o New engine module: GMP (performs private key exponentiation).
267 o New engine module: VIA PadLOck ACE extension in VIA C3
269 o Added support for IPv6 addresses in certificate extensions.
270 See RFC 1884, section 2.2.
271 o Added support for certificate policy mappings, policy
272 constraints and name constraints.
273 o Added support for multi-valued AVAs in the OpenSSL
275 o Added support for multiple certificates with the same subject
276 in the 'openssl ca' index file.
277 o Make it possible to create self-signed certificates using
278 'openssl ca -selfsign'.
279 o Make it possible to generate a serial number file with
280 'openssl ca -create_serial'.
281 o New binary search functions with extended functionality.
283 o New STORE structure and library to provide an interface to all
284 sorts of data repositories. Supports storage of public and
285 private keys, certificates, CRLs, numbers and arbitrary blobs.
286 This library is unfortunately unfinished and unused withing
288 o New control functions for the error stack.
289 o Changed the PKCS#7 library to support one-pass S/MIME
291 o Added the possibility to compile without old deprecated
292 functionality with the OPENSSL_NO_DEPRECATED macro or the
293 'no-deprecated' argument to the config and Configure scripts.
294 o Constification of all ASN.1 conversion functions, and other
296 o Improved platform support for PowerPC.
297 o New FIPS 180-2 algorithms (SHA-224, -256, -384 and -512).
298 o New X509_VERIFY_PARAM structure to support parametrisation
299 of X.509 path validation.
300 o Major overhaul of RC4 performance on Intel P4, IA-64 and
302 o Changed the Configure script to have some algorithms disabled
303 by default. Those can be explicitely enabled with the new
304 argument form 'enable-xxx'.
305 o Change the default digest in 'openssl' commands from MD5 to
307 o Added support for DTLS.
308 o New BIGNUM blinding.
309 o Added support for the RSA-PSS encryption scheme
310 o Added support for the RSA X.931 padding.
311 o Added support for BSD sockets on NetWare.
312 o Added support for files larger than 2GB.
313 o Added initial support for Win64.
314 o Added alternate pkg-config files.
316 Major changes between OpenSSL 0.9.7l and OpenSSL 0.9.7m [23 Feb 2007]:
318 o FIPS 1.1.1 module linking.
319 o Various ciphersuite selection fixes.
321 Major changes between OpenSSL 0.9.7k and OpenSSL 0.9.7l [28 Sep 2006]:
323 o Introduce limits to prevent malicious key DoS (CVE-2006-2940)
324 o Fix security issues (CVE-2006-2937, CVE-2006-3737, CVE-2006-4343)
326 Major changes between OpenSSL 0.9.7j and OpenSSL 0.9.7k [5 Sep 2006]:
328 o Fix Daniel Bleichenbacher forged signature attack, CVE-2006-4339
330 Major changes between OpenSSL 0.9.7i and OpenSSL 0.9.7j [4 May 2006]:
332 o Visual C++ 2005 fixes.
333 o Update Windows build system for FIPS.
335 Major changes between OpenSSL 0.9.7h and OpenSSL 0.9.7i [14 Oct 2005]:
337 o Give EVP_MAX_MD_SIZE it's old value, except for a FIPS build.
339 Major changes between OpenSSL 0.9.7g and OpenSSL 0.9.7h [11 Oct 2005]:
341 o Fix SSL 2.0 Rollback, CVE-2005-2969
342 o Allow use of fixed-length exponent on DSA signing
343 o Default fixed-window RSA, DSA, DH private-key operations
345 Major changes between OpenSSL 0.9.7f and OpenSSL 0.9.7g [11 Apr 2005]:
347 o More compilation issues fixed.
348 o Adaptation to more modern Kerberos API.
349 o Enhanced or corrected configuration for Solaris64, Mingw and Cygwin.
350 o Enhanced x86_64 assembler BIGNUM module.
351 o More constification.
352 o Added processing of proxy certificates (RFC 3820).
354 Major changes between OpenSSL 0.9.7e and OpenSSL 0.9.7f [22 Mar 2005]:
356 o Several compilation issues fixed.
357 o Many memory allocation failure checks added.
358 o Improved comparison of X509 Name type.
359 o Mandatory basic checks on certificates.
360 o Performance improvements.
362 Major changes between OpenSSL 0.9.7d and OpenSSL 0.9.7e [25 Oct 2004]:
364 o Fix race condition in CRL checking code.
365 o Fixes to PKCS#7 (S/MIME) code.
367 Major changes between OpenSSL 0.9.7c and OpenSSL 0.9.7d [17 Mar 2004]:
369 o Security: Fix Kerberos ciphersuite SSL/TLS handshaking bug
370 o Security: Fix null-pointer assignment in do_change_cipher_spec()
371 o Allow multiple active certificates with same subject in CA index
372 o Multiple X509 verification fixes
373 o Speed up HMAC and other operations
375 Major changes between OpenSSL 0.9.7b and OpenSSL 0.9.7c [30 Sep 2003]:
377 o Security: fix various ASN1 parsing bugs.
378 o New -ignore_err option to OCSP utility.
379 o Various interop and bug fixes in S/MIME code.
380 o SSL/TLS protocol fix for unrequested client certificates.
382 Major changes between OpenSSL 0.9.7a and OpenSSL 0.9.7b [10 Apr 2003]:
384 o Security: counter the Klima-Pokorny-Rosa extension of
385 Bleichbacher's attack
386 o Security: make RSA blinding default.
387 o Configuration: Irix fixes, AIX fixes, better mingw support.
388 o Support for new platforms: linux-ia64-ecc.
389 o Build: shared library support fixes.
390 o ASN.1: treat domainComponent correctly.
391 o Documentation: fixes and additions.
393 Major changes between OpenSSL 0.9.7 and OpenSSL 0.9.7a [19 Feb 2003]:
395 o Security: Important security related bugfixes.
396 o Enhanced compatibility with MIT Kerberos.
397 o Can be built without the ENGINE framework.
398 o IA32 assembler enhancements.
399 o Support for new platforms: FreeBSD/IA64 and FreeBSD/Sparc64.
400 o Configuration: the no-err option now works properly.
401 o SSL/TLS: now handles manual certificate chain building.
402 o SSL/TLS: certain session ID malfunctions corrected.
404 Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.7 [30 Dec 2002]:
406 o New library section OCSP.
407 o Complete rewrite of ASN1 code.
408 o CRL checking in verify code and openssl utility.
409 o Extension copying in 'ca' utility.
410 o Flexible display options in 'ca' utility.
411 o Provisional support for international characters with UTF8.
412 o Support for external crypto devices ('engine') is no longer
413 a separate distribution.
414 o New elliptic curve library section.
415 o New AES (Rijndael) library section.
416 o Support for new platforms: Windows CE, Tandem OSS, A/UX, AIX 64-bit,
417 Linux x86_64, Linux 64-bit on Sparc v9
418 o Extended support for some platforms: VxWorks
419 o Enhanced support for shared libraries.
420 o Now only builds PIC code when shared library support is requested.
421 o Support for pkg-config.
422 o Lots of new manuals.
423 o Makes symbolic links to or copies of manuals to cover all described
425 o Change DES API to clean up the namespace (some applications link also
426 against libdes providing similar functions having the same name).
427 Provide macros for backward compatibility (will be removed in the
429 o Unify handling of cryptographic algorithms (software and engine)
430 to be available via EVP routines for asymmetric and symmetric ciphers.
431 o NCONF: new configuration handling routines.
432 o Change API to use more 'const' modifiers to improve error checking
434 o Finally remove references to RSAref.
435 o Reworked parts of the BIGNUM code.
436 o Support for new engines: Broadcom ubsec, Accelerated Encryption
437 Processing, IBM 4758.
438 o A few new engines added in the demos area.
439 o Extended and corrected OID (object identifier) table.
440 o PRNG: query at more locations for a random device, automatic query for
441 EGD style random sources at several locations.
442 o SSL/TLS: allow optional cipher choice according to server's preference.
443 o SSL/TLS: allow server to explicitly set new session ids.
444 o SSL/TLS: support Kerberos cipher suites (RFC2712).
445 Only supports MIT Kerberos for now.
446 o SSL/TLS: allow more precise control of renegotiations and sessions.
447 o SSL/TLS: add callback to retrieve SSL/TLS messages.
448 o SSL/TLS: support AES cipher suites (RFC3268).
450 Major changes between OpenSSL 0.9.6j and OpenSSL 0.9.6k [30 Sep 2003]:
452 o Security: fix various ASN1 parsing bugs.
453 o SSL/TLS protocol fix for unrequested client certificates.
455 Major changes between OpenSSL 0.9.6i and OpenSSL 0.9.6j [10 Apr 2003]:
457 o Security: counter the Klima-Pokorny-Rosa extension of
458 Bleichbacher's attack
459 o Security: make RSA blinding default.
460 o Build: shared library support fixes.
462 Major changes between OpenSSL 0.9.6h and OpenSSL 0.9.6i [19 Feb 2003]:
464 o Important security related bugfixes.
466 Major changes between OpenSSL 0.9.6g and OpenSSL 0.9.6h [5 Dec 2002]:
468 o New configuration targets for Tandem OSS and A/UX.
469 o New OIDs for Microsoft attributes.
470 o Better handling of SSL session caching.
471 o Better comparison of distinguished names.
472 o Better handling of shared libraries in a mixed GNU/non-GNU environment.
473 o Support assembler code with Borland C.
474 o Fixes for length problems.
475 o Fixes for uninitialised variables.
476 o Fixes for memory leaks, some unusual crashes and some race conditions.
477 o Fixes for smaller building problems.
478 o Updates of manuals, FAQ and other instructive documents.
480 Major changes between OpenSSL 0.9.6f and OpenSSL 0.9.6g [9 Aug 2002]:
482 o Important building fixes on Unix.
484 Major changes between OpenSSL 0.9.6e and OpenSSL 0.9.6f [8 Aug 2002]:
486 o Various important bugfixes.
488 Major changes between OpenSSL 0.9.6d and OpenSSL 0.9.6e [30 Jul 2002]:
490 o Important security related bugfixes.
491 o Various SSL/TLS library bugfixes.
493 Major changes between OpenSSL 0.9.6c and OpenSSL 0.9.6d [9 May 2002]:
495 o Various SSL/TLS library bugfixes.
496 o Fix DH parameter generation for 'non-standard' generators.
498 Major changes between OpenSSL 0.9.6b and OpenSSL 0.9.6c [21 Dec 2001]:
500 o Various SSL/TLS library bugfixes.
501 o BIGNUM library fixes.
502 o RSA OAEP and random number generation fixes.
503 o Object identifiers corrected and added.
504 o Add assembler BN routines for IA64.
505 o Add support for OS/390 Unix, UnixWare with gcc, OpenUNIX 8,
506 MIPS Linux; shared library support for Irix, HP-UX.
507 o Add crypto accelerator support for AEP, Baltimore SureWare,
508 Broadcom and Cryptographic Appliance's keyserver
509 [in 0.9.6c-engine release].
511 Major changes between OpenSSL 0.9.6a and OpenSSL 0.9.6b [9 Jul 2001]:
513 o Security fix: PRNG improvements.
514 o Security fix: RSA OAEP check.
515 o Security fix: Reinsert and fix countermeasure to Bleichbacher's
517 o MIPS bug fix in BIGNUM.
518 o Bug fix in "openssl enc".
519 o Bug fix in X.509 printing routine.
520 o Bug fix in DSA verification routine and DSA S/MIME verification.
521 o Bug fix to make PRNG thread-safe.
522 o Bug fix in RAND_file_name().
523 o Bug fix in compatibility mode trust settings.
524 o Bug fix in blowfish EVP.
525 o Increase default size for BIO buffering filter.
526 o Compatibility fixes in some scripts.
528 Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.6a [5 Apr 2001]:
530 o Security fix: change behavior of OpenSSL to avoid using
531 environment variables when running as root.
532 o Security fix: check the result of RSA-CRT to reduce the
533 possibility of deducing the private key from an incorrectly
534 calculated signature.
535 o Security fix: prevent Bleichenbacher's DSA attack.
536 o Security fix: Zero the premaster secret after deriving the
537 master secret in DH ciphersuites.
538 o Reimplement SSL_peek(), which had various problems.
539 o Compatibility fix: the function des_encrypt() renamed to
540 des_encrypt1() to avoid clashes with some Unixen libc.
541 o Bug fixes for Win32, HP/UX and Irix.
542 o Bug fixes in BIGNUM, SSL, PKCS#7, PKCS#12, X.509, CONF and
543 memory checking routines.
544 o Bug fixes for RSA operations in threaded environments.
545 o Bug fixes in misc. openssl applications.
546 o Remove a few potential memory leaks.
547 o Add tighter checks of BIGNUM routines.
548 o Shared library support has been reworked for generality.
549 o More documentation.
550 o New function BN_rand_range().
551 o Add "-rand" option to openssl s_client and s_server.
553 Major changes between OpenSSL 0.9.5a and OpenSSL 0.9.6 [10 Oct 2000]:
555 o Some documentation for BIO and SSL libraries.
556 o Enhanced chain verification using key identifiers.
557 o New sign and verify options to 'dgst' application.
558 o Support for DER and PEM encoded messages in 'smime' application.
559 o New 'rsautl' application, low level RSA utility.
561 o Bugfix for SSL rollback padding check.
562 o Support for external crypto devices [1].
563 o Enhanced EVP interface.
565 [1] The support for external crypto devices is currently a separate
566 distribution. See the file README.ENGINE.
568 Major changes between OpenSSL 0.9.5 and OpenSSL 0.9.5a [1 Apr 2000]:
570 o Bug fixes for Win32, SuSE Linux, NeXTSTEP and FreeBSD 2.2.8
571 o Shared library support for HPUX and Solaris-gcc
572 o Support of Linux/IA64
573 o Assembler support for Mingw32
574 o New 'rand' application
575 o New way to check for existence of algorithms from scripts
577 Major changes between OpenSSL 0.9.4 and OpenSSL 0.9.5 [25 May 2000]:
579 o S/MIME support in new 'smime' command
580 o Documentation for the OpenSSL command line application
581 o Automation of 'req' application
582 o Fixes to make s_client, s_server work under Windows
583 o Support for multiple fieldnames in SPKACs
584 o New SPKAC command line utilty and associated library functions
585 o Options to allow passwords to be obtained from various sources
586 o New public key PEM format and options to handle it
587 o Many other fixes and enhancements to command line utilities
588 o Usable certificate chain verification
589 o Certificate purpose checking
590 o Certificate trust settings
591 o Support of authority information access extension
592 o Extensions in certificate requests
593 o Simplified X509 name and attribute routines
594 o Initial (incomplete) support for international character sets
595 o New DH_METHOD, DSA_METHOD and enhanced RSA_METHOD
596 o Read only memory BIOs and simplified creation function
597 o TLS/SSL protocol bugfixes: Accept TLS 'client hello' in SSL 3.0
598 record; allow fragmentation and interleaving of handshake and other
600 o TLS/SSL code now "tolerates" MS SGC
601 o Work around for Netscape client certificate hang bug
602 o RSA_NULL option that removes RSA patent code but keeps other
604 o Memory leak detection now allows applications to add extra information
605 via a per-thread stack
606 o PRNG robustness improved
608 o BIGNUM library bug fixes
609 o Faster DSA parameter generation
610 o Enhanced support for Alpha Linux
611 o Experimental MacOS support
613 Major changes between OpenSSL 0.9.3 and OpenSSL 0.9.4 [9 Aug 1999]:
615 o Transparent support for PKCS#8 format private keys: these are used
616 by several software packages and are more secure than the standard
618 o PKCS#5 v2.0 implementation
619 o Password callbacks have a new void * argument for application data
620 o Avoid various memory leaks
621 o New pipe-like BIO that allows using the SSL library when actual I/O
622 must be handled by the application (BIO pair)
624 Major changes between OpenSSL 0.9.2b and OpenSSL 0.9.3 [24 May 1999]:
625 o Lots of enhancements and cleanups to the Configuration mechanism
626 o RSA OEAP related fixes
627 o Added `openssl ca -revoke' option for revoking a certificate
628 o Source cleanups: const correctness, type-safe stacks and ASN.1 SETs
629 o Source tree cleanups: removed lots of obsolete files
630 o Thawte SXNet, certificate policies and CRL distribution points
632 o Preliminary (experimental) S/MIME support
633 o Support for ASN.1 UTF8String and VisibleString
634 o Full integration of PKCS#12 code
635 o Sparc assembler bignum implementation, optimized hash functions
636 o Option to disable selected ciphers
638 Major changes between OpenSSL 0.9.1c and OpenSSL 0.9.2b [22 Mar 1999]:
639 o Fixed a security hole related to session resumption
640 o Fixed RSA encryption routines for the p < q case
641 o "ALL" in cipher lists now means "everything except NULL ciphers"
642 o Support for Triple-DES CBCM cipher
643 o Support of Optimal Asymmetric Encryption Padding (OAEP) for RSA
644 o First support for new TLSv1 ciphers
645 o Added a few new BIOs (syslog BIO, reliable BIO)
646 o Extended support for DSA certificate/keys.
647 o Extended support for Certificate Signing Requests (CSR)
648 o Initial support for X.509v3 extensions
649 o Extended support for compression inside the SSL record layer
650 o Overhauled Win32 builds
651 o Cleanups and fixes to the Big Number (BN) library
652 o Support for ASN.1 GeneralizedTime
653 o Splitted ASN.1 SETs from SEQUENCEs
654 o ASN1 and PEM support for Netscape Certificate Sequences
655 o Overhauled Perl interface
656 o Lots of source tree cleanups.
657 o Lots of memory leak fixes.
660 Major changes between SSLeay 0.9.0b and OpenSSL 0.9.1c [23 Dec 1998]:
661 o Integration of the popular NO_RSA/NO_DSA patches
662 o Initial support for compression inside the SSL record layer
663 o Added BIO proxy and filtering functionality
664 o Extended Big Number (BN) library
665 o Added RIPE MD160 message digest
666 o Addeed support for RC2/64bit cipher
667 o Extended ASN.1 parser routines
668 o Adjustations of the source tree for CVS
669 o Support for various new platforms