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openssl Cross Reference



0002   NEWS
0003   ====
0005   This file gives a brief overview of the major changes between each OpenSSL
0006   release. For more details please read the CHANGES file.
0008   Major changes between OpenSSL 1.0.1g and OpenSSL 1.0.1h [5 Jun 2014]
0010       o Fix for CVE-2014-0224
0011       o Fix for CVE-2014-0221
0012       o Fix for CVE-2014-0195
0013       o Fix for CVE-2014-3470
0014       o Fix for CVE-2010-5298
0016   Major changes between OpenSSL 1.0.1f and OpenSSL 1.0.1g [7 Apr 2014]
0018       o Fix for CVE-2014-0160
0019       o Add TLS padding extension workaround for broken servers.
0020       o Fix for CVE-2014-0076
0022   Major changes between OpenSSL 1.0.1e and OpenSSL 1.0.1f [6 Jan 2014]
0024       o Don't include gmt_unix_time in TLS server and client random values
0025       o Fix for TLS record tampering bug CVE-2013-4353
0026       o Fix for TLS version checking bug CVE-2013-6449
0027       o Fix for DTLS retransmission bug CVE-2013-6450
0029   Major changes between OpenSSL 1.0.1d and OpenSSL 1.0.1e [11 Feb 2013]:
0031       o Corrected fix for CVE-2013-0169
0033   Major changes between OpenSSL 1.0.1c and OpenSSL 1.0.1d [4 Feb 2013]:
0035       o Fix renegotiation in TLS 1.1, 1.2 by using the correct TLS version.
0036       o Include the fips configuration module.
0037       o Fix OCSP bad key DoS attack CVE-2013-0166
0038       o Fix for SSL/TLS/DTLS CBC plaintext recovery attack CVE-2013-0169
0039       o Fix for TLS AESNI record handling flaw CVE-2012-2686
0041   Major changes between OpenSSL 1.0.1b and OpenSSL 1.0.1c [10 May 2012]:
0043       o Fix TLS/DTLS record length checking bug CVE-2012-2333
0044       o Don't attempt to use non-FIPS composite ciphers in FIPS mode.
0046   Major changes between OpenSSL 1.0.1a and OpenSSL 1.0.1b [26 Apr 2012]:
0048       o Fix compilation error on non-x86 platforms.
0049       o Make FIPS capable OpenSSL ciphers work in non-FIPS mode.
0050       o Fix SSL_OP_NO_TLSv1_1 clash with SSL_OP_ALL in OpenSSL 1.0.0
0052   Major changes between OpenSSL 1.0.1 and OpenSSL 1.0.1a [19 Apr 2012]:
0054       o Fix for ASN1 overflow bug CVE-2012-2110
0055       o Workarounds for some servers that hang on long client hellos.
0056       o Fix SEGV in AES code.
0058   Major changes between OpenSSL 1.0.0h and OpenSSL 1.0.1 [14 Mar 2012]:
0060       o TLS/DTLS heartbeat support.
0061       o SCTP support.
0062       o RFC 5705 TLS key material exporter.
0063       o RFC 5764 DTLS-SRTP negotiation.
0064       o Next Protocol Negotiation.
0065       o PSS signatures in certificates, requests and CRLs.
0066       o Support for password based recipient info for CMS.
0067       o Support TLS v1.2 and TLS v1.1.
0068       o Preliminary FIPS capability for unvalidated 2.0 FIPS module.
0069       o SRP support.
0071   Major changes between OpenSSL 1.0.0j and OpenSSL 1.0.0k [5 Feb 2013]:
0073       o Fix for SSL/TLS/DTLS CBC plaintext recovery attack CVE-2013-0169
0074       o Fix OCSP bad key DoS attack CVE-2013-0166
0076   Major changes between OpenSSL 1.0.0i and OpenSSL 1.0.0j [10 May 2012]:
0078       o Fix DTLS record length checking bug CVE-2012-2333
0080   Major changes between OpenSSL 1.0.0h and OpenSSL 1.0.0i [19 Apr 2012]:
0082       o Fix for ASN1 overflow bug CVE-2012-2110
0084   Major changes between OpenSSL 1.0.0g and OpenSSL 1.0.0h [12 Mar 2012]:
0086       o Fix for CMS/PKCS#7 MMA CVE-2012-0884
0087       o Corrected fix for CVE-2011-4619
0088       o Various DTLS fixes.
0090   Major changes between OpenSSL 1.0.0f and OpenSSL 1.0.0g [18 Jan 2012]:
0092       o Fix for DTLS DoS issue CVE-2012-0050
0094   Major changes between OpenSSL 1.0.0e and OpenSSL 1.0.0f [4 Jan 2012]:
0096       o Fix for DTLS plaintext recovery attack CVE-2011-4108
0097       o Clear block padding bytes of SSL 3.0 records CVE-2011-4576
0098       o Only allow one SGC handshake restart for SSL/TLS CVE-2011-4619
0099       o Check parameters are not NULL in GOST ENGINE CVE-2012-0027
0100       o Check for malformed RFC3779 data CVE-2011-4577
0102   Major changes between OpenSSL 1.0.0d and OpenSSL 1.0.0e [6 Sep 2011]:
0104       o Fix for CRL vulnerability issue CVE-2011-3207
0105       o Fix for ECDH crashes CVE-2011-3210
0106       o Protection against EC timing attacks.
0107       o Support ECDH ciphersuites for certificates using SHA2 algorithms.
0108       o Various DTLS fixes.
0110   Major changes between OpenSSL 1.0.0c and OpenSSL 1.0.0d [8 Feb 2011]:
0112       o Fix for security issue CVE-2011-0014
0114   Major changes between OpenSSL 1.0.0b and OpenSSL 1.0.0c [2 Dec 2010]:
0116       o Fix for security issue CVE-2010-4180
0117       o Fix for CVE-2010-4252
0118       o Fix mishandling of absent EC point format extension.
0119       o Fix various platform compilation issues.
0120       o Corrected fix for security issue CVE-2010-3864.
0122   Major changes between OpenSSL 1.0.0a and OpenSSL 1.0.0b [16 Nov 2010]:
0124       o Fix for security issue CVE-2010-3864.
0125       o Fix for CVE-2010-2939
0126       o Fix WIN32 build system for GOST ENGINE.
0128   Major changes between OpenSSL 1.0.0 and OpenSSL 1.0.0a [1 Jun 2010]:
0130       o Fix for security issue CVE-2010-1633.
0131       o GOST MAC and CFB fixes.
0133   Major changes between OpenSSL 0.9.8n and OpenSSL 1.0.0 [29 Mar 2010]:
0135       o RFC3280 path validation: sufficient to process PKITS tests.
0136       o Integrated support for PVK files and keyblobs.
0137       o Change default private key format to PKCS#8.
0138       o CMS support: able to process all examples in RFC4134
0139       o Streaming ASN1 encode support for PKCS#7 and CMS.
0140       o Multiple signer and signer add support for PKCS#7 and CMS.
0141       o ASN1 printing support.
0142       o Whirlpool hash algorithm added.
0143       o RFC3161 time stamp support.
0144       o New generalised public key API supporting ENGINE based algorithms.
0145       o New generalised public key API utilities.
0146       o New ENGINE supporting GOST algorithms.
0147       o SSL/TLS GOST ciphersuite support.
0148       o PKCS#7 and CMS GOST support.
0149       o RFC4279 PSK ciphersuite support.
0150       o Supported points format extension for ECC ciphersuites.
0151       o ecdsa-with-SHA224/256/384/512 signature types.
0152       o dsa-with-SHA224 and dsa-with-SHA256 signature types.
0153       o Opaque PRF Input TLS extension support.
0154       o Updated time routines to avoid OS limitations.
0156   Major changes between OpenSSL 0.9.8x and OpenSSL 0.9.8y [5 Feb 2013]:
0158       o Fix for SSL/TLS/DTLS CBC plaintext recovery attack CVE-2013-0169
0159       o Fix OCSP bad key DoS attack CVE-2013-0166
0161   Major changes between OpenSSL 0.9.8w and OpenSSL 0.9.8x [10 May 2012]:
0163       o Fix DTLS record length checking bug CVE-2012-2333
0165   Major changes between OpenSSL 0.9.8v and OpenSSL 0.9.8w [23 Apr 2012]:
0167       o Fix for CVE-2012-2131 (corrected fix for 0.9.8 and CVE-2012-2110)
0169   Major changes between OpenSSL 0.9.8u and OpenSSL 0.9.8v [19 Apr 2012]:
0171       o Fix for ASN1 overflow bug CVE-2012-2110
0173   Major changes between OpenSSL 0.9.8t and OpenSSL 0.9.8u [12 Mar 2012]:
0175       o Fix for CMS/PKCS#7 MMA CVE-2012-0884
0176       o Corrected fix for CVE-2011-4619
0177       o Various DTLS fixes.
0179   Major changes between OpenSSL 0.9.8s and OpenSSL 0.9.8t [18 Jan 2012]:
0181       o Fix for DTLS DoS issue CVE-2012-0050
0183   Major changes between OpenSSL 0.9.8r and OpenSSL 0.9.8s [4 Jan 2012]:
0185       o Fix for DTLS plaintext recovery attack CVE-2011-4108
0186       o Fix policy check double free error CVE-2011-4109
0187       o Clear block padding bytes of SSL 3.0 records CVE-2011-4576
0188       o Only allow one SGC handshake restart for SSL/TLS CVE-2011-4619
0189       o Check for malformed RFC3779 data CVE-2011-4577
0191   Major changes between OpenSSL 0.9.8q and OpenSSL 0.9.8r [8 Feb 2011]:
0193       o Fix for security issue CVE-2011-0014
0195   Major changes between OpenSSL 0.9.8p and OpenSSL 0.9.8q [2 Dec 2010]:
0197       o Fix for security issue CVE-2010-4180
0198       o Fix for CVE-2010-4252
0200   Major changes between OpenSSL 0.9.8o and OpenSSL 0.9.8p [16 Nov 2010]:
0202       o Fix for security issue CVE-2010-3864.
0204   Major changes between OpenSSL 0.9.8n and OpenSSL 0.9.8o [1 Jun 2010]:
0206       o Fix for security issue CVE-2010-0742.
0207       o Various DTLS fixes.
0208       o Recognise SHA2 certificates if only SSL algorithms added.
0209       o Fix for no-rc4 compilation.
0210       o Chil ENGINE unload workaround.
0212   Major changes between OpenSSL 0.9.8m and OpenSSL 0.9.8n [24 Mar 2010]:
0214       o CFB cipher definition fixes.
0215       o Fix security issues CVE-2010-0740 and CVE-2010-0433.
0217   Major changes between OpenSSL 0.9.8l and OpenSSL 0.9.8m [25 Feb 2010]:
0219       o Cipher definition fixes.
0220       o Workaround for slow RAND_poll() on some WIN32 versions.
0221       o Remove MD2 from algorithm tables.
0222       o SPKAC handling fixes.
0223       o Support for RFC5746 TLS renegotiation extension.
0224       o Compression memory leak fixed.
0225       o Compression session resumption fixed.
0226       o Ticket and SNI coexistence fixes.
0227       o Many fixes to DTLS handling. 
0229   Major changes between OpenSSL 0.9.8k and OpenSSL 0.9.8l [5 Nov 2009]:
0231       o Temporary work around for CVE-2009-3555: disable renegotiation.
0233   Major changes between OpenSSL 0.9.8j and OpenSSL 0.9.8k [25 Mar 2009]:
0235       o Fix various build issues.
0236       o Fix security issues (CVE-2009-0590, CVE-2009-0591, CVE-2009-0789)
0238   Major changes between OpenSSL 0.9.8i and OpenSSL 0.9.8j [7 Jan 2009]:
0240       o Fix security issue (CVE-2008-5077)
0241       o Merge FIPS 140-2 branch code.
0243   Major changes between OpenSSL 0.9.8g and OpenSSL 0.9.8h [28 May 2008]:
0245       o CryptoAPI ENGINE support.
0246       o Various precautionary measures.
0247       o Fix for bugs affecting certificate request creation.
0248       o Support for local machine keyset attribute in PKCS#12 files.
0250   Major changes between OpenSSL 0.9.8f and OpenSSL 0.9.8g [19 Oct 2007]:
0252       o Backport of CMS functionality to 0.9.8.
0253       o Fixes for bugs introduced with 0.9.8f.
0255   Major changes between OpenSSL 0.9.8e and OpenSSL 0.9.8f [11 Oct 2007]:
0257       o Add gcc 4.2 support.
0258       o Add support for AES and SSE2 assembly lanugauge optimization
0259         for VC++ build.
0260       o Support for RFC4507bis and server name extensions if explicitly 
0261         selected at compile time.
0262       o DTLS improvements.
0263       o RFC4507bis support.
0264       o TLS Extensions support.
0266   Major changes between OpenSSL 0.9.8d and OpenSSL 0.9.8e [23 Feb 2007]:
0268       o Various ciphersuite selection fixes.
0269       o RFC3779 support.
0271   Major changes between OpenSSL 0.9.8c and OpenSSL 0.9.8d [28 Sep 2006]:
0273       o Introduce limits to prevent malicious key DoS  (CVE-2006-2940)
0274       o Fix security issues (CVE-2006-2937, CVE-2006-3737, CVE-2006-4343)
0275       o Changes to ciphersuite selection algorithm
0277   Major changes between OpenSSL 0.9.8b and OpenSSL 0.9.8c [5 Sep 2006]:
0279       o Fix Daniel Bleichenbacher forged signature attack, CVE-2006-4339
0280       o New cipher Camellia
0282   Major changes between OpenSSL 0.9.8a and OpenSSL 0.9.8b [4 May 2006]:
0284       o Cipher string fixes.
0285       o Fixes for VC++ 2005.
0286       o Updated ECC cipher suite support.
0287       o New functions EVP_CIPHER_CTX_new() and EVP_CIPHER_CTX_free().
0288       o Zlib compression usage fixes.
0289       o Built in dynamic engine compilation support on Win32.
0290       o Fixes auto dynamic engine loading in Win32.
0292   Major changes between OpenSSL 0.9.8 and OpenSSL 0.9.8a [11 Oct 2005]:
0294       o Fix potential SSL 2.0 rollback, CVE-2005-2969
0295       o Extended Windows CE support
0297   Major changes between OpenSSL 0.9.7g and OpenSSL 0.9.8 [5 Jul 2005]:
0299       o Major work on the BIGNUM library for higher efficiency and to
0300         make operations more streamlined and less contradictory.  This
0301         is the result of a major audit of the BIGNUM library.
0302       o Addition of BIGNUM functions for fields GF(2^m) and NIST
0303         curves, to support the Elliptic Crypto functions.
0304       o Major work on Elliptic Crypto; ECDH and ECDSA added, including
0305         the use through EVP, X509 and ENGINE.
0306       o New ASN.1 mini-compiler that's usable through the OpenSSL
0307         configuration file.
0308       o Added support for ASN.1 indefinite length constructed encoding.
0309       o New PKCS#12 'medium level' API to manipulate PKCS#12 files.
0310       o Complete rework of shared library construction and linking
0311         programs with shared or static libraries, through a separate
0312         Makefile.shared.
0313       o Rework of the passing of parameters from one Makefile to another.
0314       o Changed ENGINE framework to load dynamic engine modules
0315         automatically from specifically given directories.
0316       o New structure and ASN.1 functions for CertificatePair.
0317       o Changed the ZLIB compression method to be stateful.
0318       o Changed the key-generation and primality testing "progress"
0319         mechanism to take a structure that contains the ticker
0320         function and an argument.
0321       o New engine module: GMP (performs private key exponentiation).
0322       o New engine module: VIA PadLOck ACE extension in VIA C3
0323         Nehemiah processors.
0324       o Added support for IPv6 addresses in certificate extensions.
0325         See RFC 1884, section 2.2.
0326       o Added support for certificate policy mappings, policy
0327         constraints and name constraints.
0328       o Added support for multi-valued AVAs in the OpenSSL
0329         configuration file.
0330       o Added support for multiple certificates with the same subject
0331         in the 'openssl ca' index file.
0332       o Make it possible to create self-signed certificates using
0333         'openssl ca -selfsign'.
0334       o Make it possible to generate a serial number file with
0335         'openssl ca -create_serial'.
0336       o New binary search functions with extended functionality.
0337       o New BUF functions.
0338       o New STORE structure and library to provide an interface to all
0339         sorts of data repositories.  Supports storage of public and
0340         private keys, certificates, CRLs, numbers and arbitrary blobs.
0341         This library is unfortunately unfinished and unused withing
0342         OpenSSL.
0343       o New control functions for the error stack.
0344       o Changed the PKCS#7 library to support one-pass S/MIME
0345         processing.
0346       o Added the possibility to compile without old deprecated
0347         functionality with the OPENSSL_NO_DEPRECATED macro or the
0348         'no-deprecated' argument to the config and Configure scripts.
0349       o Constification of all ASN.1 conversion functions, and other
0350         affected functions.
0351       o Improved platform support for PowerPC.
0352       o New FIPS 180-2 algorithms (SHA-224, -256, -384 and -512).
0353       o New X509_VERIFY_PARAM structure to support parametrisation
0354         of X.509 path validation.
0355       o Major overhaul of RC4 performance on Intel P4, IA-64 and
0356         AMD64.
0357       o Changed the Configure script to have some algorithms disabled
0358         by default.  Those can be explicitely enabled with the new
0359         argument form 'enable-xxx'.
0360       o Change the default digest in 'openssl' commands from MD5 to
0361         SHA-1.
0362       o Added support for DTLS.
0363       o New BIGNUM blinding.
0364       o Added support for the RSA-PSS encryption scheme
0365       o Added support for the RSA X.931 padding.
0366       o Added support for BSD sockets on NetWare.
0367       o Added support for files larger than 2GB.
0368       o Added initial support for Win64.
0369       o Added alternate pkg-config files.
0371   Major changes between OpenSSL 0.9.7l and OpenSSL 0.9.7m [23 Feb 2007]:
0373       o FIPS 1.1.1 module linking.
0374       o Various ciphersuite selection fixes.
0376   Major changes between OpenSSL 0.9.7k and OpenSSL 0.9.7l [28 Sep 2006]:
0378       o Introduce limits to prevent malicious key DoS  (CVE-2006-2940)
0379       o Fix security issues (CVE-2006-2937, CVE-2006-3737, CVE-2006-4343)
0381   Major changes between OpenSSL 0.9.7j and OpenSSL 0.9.7k [5 Sep 2006]:
0383       o Fix Daniel Bleichenbacher forged signature attack, CVE-2006-4339
0385   Major changes between OpenSSL 0.9.7i and OpenSSL 0.9.7j [4 May 2006]:
0387       o Visual C++ 2005 fixes.
0388       o Update Windows build system for FIPS.
0390   Major changes between OpenSSL 0.9.7h and OpenSSL 0.9.7i [14 Oct 2005]:
0392       o Give EVP_MAX_MD_SIZE it's old value, except for a FIPS build.
0394   Major changes between OpenSSL 0.9.7g and OpenSSL 0.9.7h [11 Oct 2005]:
0396       o Fix SSL 2.0 Rollback, CVE-2005-2969
0397       o Allow use of fixed-length exponent on DSA signing
0398       o Default fixed-window RSA, DSA, DH private-key operations
0400   Major changes between OpenSSL 0.9.7f and OpenSSL 0.9.7g [11 Apr 2005]:
0402       o More compilation issues fixed.
0403       o Adaptation to more modern Kerberos API.
0404       o Enhanced or corrected configuration for Solaris64, Mingw and Cygwin.
0405       o Enhanced x86_64 assembler BIGNUM module.
0406       o More constification.
0407       o Added processing of proxy certificates (RFC 3820).
0409   Major changes between OpenSSL 0.9.7e and OpenSSL 0.9.7f [22 Mar 2005]:
0411       o Several compilation issues fixed.
0412       o Many memory allocation failure checks added.
0413       o Improved comparison of X509 Name type.
0414       o Mandatory basic checks on certificates.
0415       o Performance improvements.
0417   Major changes between OpenSSL 0.9.7d and OpenSSL 0.9.7e [25 Oct 2004]:
0419       o Fix race condition in CRL checking code.
0420       o Fixes to PKCS#7 (S/MIME) code.
0422   Major changes between OpenSSL 0.9.7c and OpenSSL 0.9.7d [17 Mar 2004]:
0424       o Security: Fix Kerberos ciphersuite SSL/TLS handshaking bug
0425       o Security: Fix null-pointer assignment in do_change_cipher_spec()
0426       o Allow multiple active certificates with same subject in CA index
0427       o Multiple X509 verification fixes
0428       o Speed up HMAC and other operations
0430   Major changes between OpenSSL 0.9.7b and OpenSSL 0.9.7c [30 Sep 2003]:
0432       o Security: fix various ASN1 parsing bugs.
0433       o New -ignore_err option to OCSP utility.
0434       o Various interop and bug fixes in S/MIME code.
0435       o SSL/TLS protocol fix for unrequested client certificates.
0437   Major changes between OpenSSL 0.9.7a and OpenSSL 0.9.7b [10 Apr 2003]:
0439       o Security: counter the Klima-Pokorny-Rosa extension of
0440         Bleichbacher's attack 
0441       o Security: make RSA blinding default.
0442       o Configuration: Irix fixes, AIX fixes, better mingw support.
0443       o Support for new platforms: linux-ia64-ecc.
0444       o Build: shared library support fixes.
0445       o ASN.1: treat domainComponent correctly.
0446       o Documentation: fixes and additions.
0448   Major changes between OpenSSL 0.9.7 and OpenSSL 0.9.7a [19 Feb 2003]:
0450       o Security: Important security related bugfixes.
0451       o Enhanced compatibility with MIT Kerberos.
0452       o Can be built without the ENGINE framework.
0453       o IA32 assembler enhancements.
0454       o Support for new platforms: FreeBSD/IA64 and FreeBSD/Sparc64.
0455       o Configuration: the no-err option now works properly.
0456       o SSL/TLS: now handles manual certificate chain building.
0457       o SSL/TLS: certain session ID malfunctions corrected.
0459   Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.7 [30 Dec 2002]:
0461       o New library section OCSP.
0462       o Complete rewrite of ASN1 code.
0463       o CRL checking in verify code and openssl utility.
0464       o Extension copying in 'ca' utility.
0465       o Flexible display options in 'ca' utility.
0466       o Provisional support for international characters with UTF8.
0467       o Support for external crypto devices ('engine') is no longer
0468         a separate distribution.
0469       o New elliptic curve library section.
0470       o New AES (Rijndael) library section.
0471       o Support for new platforms: Windows CE, Tandem OSS, A/UX, AIX 64-bit,
0472         Linux x86_64, Linux 64-bit on Sparc v9
0473       o Extended support for some platforms: VxWorks
0474       o Enhanced support for shared libraries.
0475       o Now only builds PIC code when shared library support is requested.
0476       o Support for pkg-config.
0477       o Lots of new manuals.
0478       o Makes symbolic links to or copies of manuals to cover all described
0479         functions.
0480       o Change DES API to clean up the namespace (some applications link also
0481         against libdes providing similar functions having the same name).
0482         Provide macros for backward compatibility (will be removed in the
0483         future).
0484       o Unify handling of cryptographic algorithms (software and engine)
0485         to be available via EVP routines for asymmetric and symmetric ciphers.
0486       o NCONF: new configuration handling routines.
0487       o Change API to use more 'const' modifiers to improve error checking
0488         and help optimizers.
0489       o Finally remove references to RSAref.
0490       o Reworked parts of the BIGNUM code.
0491       o Support for new engines: Broadcom ubsec, Accelerated Encryption
0492         Processing, IBM 4758.
0493       o A few new engines added in the demos area.
0494       o Extended and corrected OID (object identifier) table.
0495       o PRNG: query at more locations for a random device, automatic query for
0496         EGD style random sources at several locations.
0497       o SSL/TLS: allow optional cipher choice according to server's preference.
0498       o SSL/TLS: allow server to explicitly set new session ids.
0499       o SSL/TLS: support Kerberos cipher suites (RFC2712).
0500         Only supports MIT Kerberos for now.
0501       o SSL/TLS: allow more precise control of renegotiations and sessions.
0502       o SSL/TLS: add callback to retrieve SSL/TLS messages.
0503       o SSL/TLS: support AES cipher suites (RFC3268).
0505   Major changes between OpenSSL 0.9.6j and OpenSSL 0.9.6k [30 Sep 2003]:
0507       o Security: fix various ASN1 parsing bugs.
0508       o SSL/TLS protocol fix for unrequested client certificates.
0510   Major changes between OpenSSL 0.9.6i and OpenSSL 0.9.6j [10 Apr 2003]:
0512       o Security: counter the Klima-Pokorny-Rosa extension of
0513         Bleichbacher's attack 
0514       o Security: make RSA blinding default.
0515       o Build: shared library support fixes.
0517   Major changes between OpenSSL 0.9.6h and OpenSSL 0.9.6i [19 Feb 2003]:
0519       o Important security related bugfixes.
0521   Major changes between OpenSSL 0.9.6g and OpenSSL 0.9.6h [5 Dec 2002]:
0523       o New configuration targets for Tandem OSS and A/UX.
0524       o New OIDs for Microsoft attributes.
0525       o Better handling of SSL session caching.
0526       o Better comparison of distinguished names.
0527       o Better handling of shared libraries in a mixed GNU/non-GNU environment.
0528       o Support assembler code with Borland C.
0529       o Fixes for length problems.
0530       o Fixes for uninitialised variables.
0531       o Fixes for memory leaks, some unusual crashes and some race conditions.
0532       o Fixes for smaller building problems.
0533       o Updates of manuals, FAQ and other instructive documents.
0535   Major changes between OpenSSL 0.9.6f and OpenSSL 0.9.6g [9 Aug 2002]:
0537       o Important building fixes on Unix.
0539   Major changes between OpenSSL 0.9.6e and OpenSSL 0.9.6f [8 Aug 2002]:
0541       o Various important bugfixes.
0543   Major changes between OpenSSL 0.9.6d and OpenSSL 0.9.6e [30 Jul 2002]:
0545       o Important security related bugfixes.
0546       o Various SSL/TLS library bugfixes.
0548   Major changes between OpenSSL 0.9.6c and OpenSSL 0.9.6d [9 May 2002]:
0550       o Various SSL/TLS library bugfixes.
0551       o Fix DH parameter generation for 'non-standard' generators.
0553   Major changes between OpenSSL 0.9.6b and OpenSSL 0.9.6c [21 Dec 2001]:
0555       o Various SSL/TLS library bugfixes.
0556       o BIGNUM library fixes.
0557       o RSA OAEP and random number generation fixes.
0558       o Object identifiers corrected and added.
0559       o Add assembler BN routines for IA64.
0560       o Add support for OS/390 Unix, UnixWare with gcc, OpenUNIX 8,
0561         MIPS Linux; shared library support for Irix, HP-UX.
0562       o Add crypto accelerator support for AEP, Baltimore SureWare,
0563         Broadcom and Cryptographic Appliance's keyserver
0564         [in 0.9.6c-engine release].
0566   Major changes between OpenSSL 0.9.6a and OpenSSL 0.9.6b [9 Jul 2001]:
0568       o Security fix: PRNG improvements.
0569       o Security fix: RSA OAEP check.
0570       o Security fix: Reinsert and fix countermeasure to Bleichbacher's
0571         attack.
0572       o MIPS bug fix in BIGNUM.
0573       o Bug fix in "openssl enc".
0574       o Bug fix in X.509 printing routine.
0575       o Bug fix in DSA verification routine and DSA S/MIME verification.
0576       o Bug fix to make PRNG thread-safe.
0577       o Bug fix in RAND_file_name().
0578       o Bug fix in compatibility mode trust settings.
0579       o Bug fix in blowfish EVP.
0580       o Increase default size for BIO buffering filter.
0581       o Compatibility fixes in some scripts.
0583   Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.6a [5 Apr 2001]:
0585       o Security fix: change behavior of OpenSSL to avoid using
0586         environment variables when running as root.
0587       o Security fix: check the result of RSA-CRT to reduce the
0588         possibility of deducing the private key from an incorrectly
0589         calculated signature.
0590       o Security fix: prevent Bleichenbacher's DSA attack.
0591       o Security fix: Zero the premaster secret after deriving the
0592         master secret in DH ciphersuites.
0593       o Reimplement SSL_peek(), which had various problems.
0594       o Compatibility fix: the function des_encrypt() renamed to
0595         des_encrypt1() to avoid clashes with some Unixen libc.
0596       o Bug fixes for Win32, HP/UX and Irix.
0597       o Bug fixes in BIGNUM, SSL, PKCS#7, PKCS#12, X.509, CONF and
0598         memory checking routines.
0599       o Bug fixes for RSA operations in threaded environments.
0600       o Bug fixes in misc. openssl applications.
0601       o Remove a few potential memory leaks.
0602       o Add tighter checks of BIGNUM routines.
0603       o Shared library support has been reworked for generality.
0604       o More documentation.
0605       o New function BN_rand_range().
0606       o Add "-rand" option to openssl s_client and s_server.
0608   Major changes between OpenSSL 0.9.5a and OpenSSL 0.9.6 [10 Oct 2000]:
0610       o Some documentation for BIO and SSL libraries.
0611       o Enhanced chain verification using key identifiers.
0612       o New sign and verify options to 'dgst' application.
0613       o Support for DER and PEM encoded messages in 'smime' application.
0614       o New 'rsautl' application, low level RSA utility.
0615       o MD4 now included.
0616       o Bugfix for SSL rollback padding check.
0617       o Support for external crypto devices [1].
0618       o Enhanced EVP interface.
0620     [1] The support for external crypto devices is currently a separate
0621         distribution.  See the file README.ENGINE.
0623   Major changes between OpenSSL 0.9.5 and OpenSSL 0.9.5a [1 Apr 2000]:
0625       o Bug fixes for Win32, SuSE Linux, NeXTSTEP and FreeBSD 2.2.8 
0626       o Shared library support for HPUX and Solaris-gcc
0627       o Support of Linux/IA64
0628       o Assembler support for Mingw32
0629       o New 'rand' application
0630       o New way to check for existence of algorithms from scripts
0632   Major changes between OpenSSL 0.9.4 and OpenSSL 0.9.5 [25 May 2000]:
0634       o S/MIME support in new 'smime' command
0635       o Documentation for the OpenSSL command line application
0636       o Automation of 'req' application
0637       o Fixes to make s_client, s_server work under Windows
0638       o Support for multiple fieldnames in SPKACs
0639       o New SPKAC command line utilty and associated library functions
0640       o Options to allow passwords to be obtained from various sources
0641       o New public key PEM format and options to handle it
0642       o Many other fixes and enhancements to command line utilities
0643       o Usable certificate chain verification
0644       o Certificate purpose checking
0645       o Certificate trust settings
0646       o Support of authority information access extension
0647       o Extensions in certificate requests
0648       o Simplified X509 name and attribute routines
0649       o Initial (incomplete) support for international character sets
0650       o New DH_METHOD, DSA_METHOD and enhanced RSA_METHOD
0651       o Read only memory BIOs and simplified creation function
0652       o TLS/SSL protocol bugfixes: Accept TLS 'client hello' in SSL 3.0
0653         record; allow fragmentation and interleaving of handshake and other
0654         data
0655       o TLS/SSL code now "tolerates" MS SGC
0656       o Work around for Netscape client certificate hang bug
0657       o RSA_NULL option that removes RSA patent code but keeps other
0658         RSA functionality
0659       o Memory leak detection now allows applications to add extra information
0660         via a per-thread stack
0661       o PRNG robustness improved
0662       o EGD support
0663       o BIGNUM library bug fixes
0664       o Faster DSA parameter generation
0665       o Enhanced support for Alpha Linux
0666       o Experimental MacOS support
0668   Major changes between OpenSSL 0.9.3 and OpenSSL 0.9.4 [9 Aug 1999]:
0670       o Transparent support for PKCS#8 format private keys: these are used
0671         by several software packages and are more secure than the standard
0672         form
0673       o PKCS#5 v2.0 implementation
0674       o Password callbacks have a new void * argument for application data
0675       o Avoid various memory leaks
0676       o New pipe-like BIO that allows using the SSL library when actual I/O
0677         must be handled by the application (BIO pair)
0679   Major changes between OpenSSL 0.9.2b and OpenSSL 0.9.3 [24 May 1999]:
0680       o Lots of enhancements and cleanups to the Configuration mechanism
0681       o RSA OEAP related fixes
0682       o Added `openssl ca -revoke' option for revoking a certificate
0683       o Source cleanups: const correctness, type-safe stacks and ASN.1 SETs
0684       o Source tree cleanups: removed lots of obsolete files
0685       o Thawte SXNet, certificate policies and CRL distribution points
0686         extension support
0687       o Preliminary (experimental) S/MIME support
0688       o Support for ASN.1 UTF8String and VisibleString
0689       o Full integration of PKCS#12 code
0690       o Sparc assembler bignum implementation, optimized hash functions
0691       o Option to disable selected ciphers
0693   Major changes between OpenSSL 0.9.1c and OpenSSL 0.9.2b [22 Mar 1999]:
0694       o Fixed a security hole related to session resumption
0695       o Fixed RSA encryption routines for the p < q case
0696       o "ALL" in cipher lists now means "everything except NULL ciphers"
0697       o Support for Triple-DES CBCM cipher
0698       o Support of Optimal Asymmetric Encryption Padding (OAEP) for RSA
0699       o First support for new TLSv1 ciphers
0700       o Added a few new BIOs (syslog BIO, reliable BIO)
0701       o Extended support for DSA certificate/keys.
0702       o Extended support for Certificate Signing Requests (CSR)
0703       o Initial support for X.509v3 extensions
0704       o Extended support for compression inside the SSL record layer
0705       o Overhauled Win32 builds
0706       o Cleanups and fixes to the Big Number (BN) library
0707       o Support for ASN.1 GeneralizedTime
0708       o Splitted ASN.1 SETs from SEQUENCEs
0709       o ASN1 and PEM support for Netscape Certificate Sequences
0710       o Overhauled Perl interface
0711       o Lots of source tree cleanups.
0712       o Lots of memory leak fixes.
0713       o Lots of bug fixes.
0715   Major changes between SSLeay 0.9.0b and OpenSSL 0.9.1c [23 Dec 1998]:
0716       o Integration of the popular NO_RSA/NO_DSA patches
0717       o Initial support for compression inside the SSL record layer
0718       o Added BIO proxy and filtering functionality
0719       o Extended Big Number (BN) library
0720       o Added RIPE MD160 message digest
0721       o Addeed support for RC2/64bit cipher
0722       o Extended ASN.1 parser routines
0723       o Adjustations of the source tree for CVS
0724       o Support for various new platforms