This file gives a brief overview of the major changes between each OpenSSL
release. For more details please read the CHANGES file.
+ Major changes between OpenSSL 0.9.7e and OpenSSL 0.9.7f:
+
+ o Several compilation issues fixed.
+ o Many memory allocation failure checks added.
+ o Improved comparison of X509 Name type.
+ o Mandatory basic checks on certificates.
+ o Performance improvements.
+
+ Major changes between OpenSSL 0.9.7d and OpenSSL 0.9.7e:
+
+ o Fix race condition in CRL checking code.
+ o Fixes to PKCS#7 (S/MIME) code.
+
+ Major changes between OpenSSL 0.9.7c and OpenSSL 0.9.7d:
+
+ o Security: Fix Kerberos ciphersuite SSL/TLS handshaking bug
+ o Security: Fix null-pointer assignment in do_change_cipher_spec()
+ o Allow multiple active certificates with same subject in CA index
+ o Multiple X509 verification fixes
+ o Speed up HMAC and other operations
+
+ Major changes between OpenSSL 0.9.7b and OpenSSL 0.9.7c:
+
+ o Security: fix various ASN1 parsing bugs.
+ o New -ignore_err option to OCSP utility.
+ o Various interop and bug fixes in S/MIME code.
+ o SSL/TLS protocol fix for unrequested client certificates.
+
+ Major changes between OpenSSL 0.9.7a and OpenSSL 0.9.7b:
+
+ o Security: counter the Klima-Pokorny-Rosa extension of
+ Bleichbacher's attack
+ o Security: make RSA blinding default.
+ o Configuration: Irix fixes, AIX fixes, better mingw support.
+ o Support for new platforms: linux-ia64-ecc.
+ o Build: shared library support fixes.
+ o ASN.1: treat domainComponent correctly.
+ o Documentation: fixes and additions.
+
+ Major changes between OpenSSL 0.9.7 and OpenSSL 0.9.7a:
+
+ o Security: Important security related bugfixes.
+ o Enhanced compatibility with MIT Kerberos.
+ o Can be built without the ENGINE framework.
+ o IA32 assembler enhancements.
+ o Support for new platforms: FreeBSD/IA64 and FreeBSD/Sparc64.
+ o Configuration: the no-err option now works properly.
+ o SSL/TLS: now handles manual certificate chain building.
+ o SSL/TLS: certain session ID malfunctions corrected.
+
Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.7:
o New library section OCSP.
a separate distribution.
o New elliptic curve library section.
o New AES (Rijndael) library section.
+ o Support for new platforms: Windows CE, Tandem OSS, A/UX, AIX 64-bit,
+ Linux x86_64, Linux 64-bit on Sparc v9
+ o Extended support for some platforms: VxWorks
+ o Enhanced support for shared libraries.
+ o Now only builds PIC code when shared library support is requested.
+ o Support for pkg-config.
+ o Lots of new manuals.
+ o Makes symbolic links to or copies of manuals to cover all described
+ functions.
o Change DES API to clean up the namespace (some applications link also
against libdes providing similar functions having the same name).
Provide macros for backward compatibility (will be removed in the
o Reworked parts of the BIGNUM code.
o Support for new engines: Broadcom ubsec, Accelerated Encryption
Processing, IBM 4758.
+ o A few new engines added in the demos area.
o Extended and corrected OID (object identifier) table.
o PRNG: query at more locations for a random device, automatic query for
EGD style random sources at several locations.
o SSL/TLS: allow optional cipher choice according to server's preference.
o SSL/TLS: allow server to explicitly set new session ids.
o SSL/TLS: support Kerberos cipher suites (RFC2712).
+ Only supports MIT Kerberos for now.
o SSL/TLS: allow more precise control of renegotiations and sessions.
o SSL/TLS: add callback to retrieve SSL/TLS messages.
- o SSL/TLS: add draft AES ciphersuites (disabled unless explicitly requested).
+ o SSL/TLS: support AES cipher suites (RFC3268).
+
+ Major changes between OpenSSL 0.9.6j and OpenSSL 0.9.6k:
+
+ o Security: fix various ASN1 parsing bugs.
+ o SSL/TLS protocol fix for unrequested client certificates.
+
+ Major changes between OpenSSL 0.9.6i and OpenSSL 0.9.6j:
+
+ o Security: counter the Klima-Pokorny-Rosa extension of
+ Bleichbacher's attack
+ o Security: make RSA blinding default.
+ o Build: shared library support fixes.
+
+ Major changes between OpenSSL 0.9.6h and OpenSSL 0.9.6i:
+
+ o Important security related bugfixes.
+
+ Major changes between OpenSSL 0.9.6g and OpenSSL 0.9.6h:
+
+ o New configuration targets for Tandem OSS and A/UX.
+ o New OIDs for Microsoft attributes.
+ o Better handling of SSL session caching.
+ o Better comparison of distinguished names.
+ o Better handling of shared libraries in a mixed GNU/non-GNU environment.
+ o Support assembler code with Borland C.
+ o Fixes for length problems.
+ o Fixes for uninitialised variables.
+ o Fixes for memory leaks, some unusual crashes and some race conditions.
+ o Fixes for smaller building problems.
+ o Updates of manuals, FAQ and other instructive documents.
+
+ Major changes between OpenSSL 0.9.6f and OpenSSL 0.9.6g:
+
+ o Important building fixes on Unix.
+
+ Major changes between OpenSSL 0.9.6e and OpenSSL 0.9.6f:
+
+ o Various important bugfixes.
+
+ Major changes between OpenSSL 0.9.6d and OpenSSL 0.9.6e:
+
+ o Important security related bugfixes.
+ o Various SSL/TLS library bugfixes.
Major changes between OpenSSL 0.9.6c and OpenSSL 0.9.6d:
o Bug fixes for Win32, HP/UX and Irix.
o Bug fixes in BIGNUM, SSL, PKCS#7, PKCS#12, X.509, CONF and
memory checking routines.
- o Bug fixes for RSA operations in threaded enviroments.
+ o Bug fixes for RSA operations in threaded environments.
o Bug fixes in misc. openssl applications.
o Remove a few potential memory leaks.
o Add tighter checks of BIGNUM routines.