274 lines
12 KiB
Plaintext
274 lines
12 KiB
Plaintext
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NEWS
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====
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This file gives a brief overview of the major changes between each OpenSSL
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release. For more details please read the CHANGES file.
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Major changes between OpenSSL 0.9.7 and OpenSSL 0.9.7a:
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o Security: Important security related bugfixes.
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o Enhanced compatibility with MIT Kerberos.
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o Can be built without the ENGINE framework.
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o IA32 assembler enhancements.
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o Support for new platforms: FreeBSD/IA64 and FreeBSD/Sparc64.
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o Configuration: the no-err option now works properly.
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o SSL/TLS: now handles manual certificate chain building.
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o SSL/TLS: certain session ID malfunctions corrected.
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Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.7:
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o New library section OCSP.
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o Complete rewrite of ASN1 code.
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o CRL checking in verify code and openssl utility.
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o Extension copying in 'ca' utility.
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o Flexible display options in 'ca' utility.
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o Provisional support for international characters with UTF8.
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o Support for external crypto devices ('engine') is no longer
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a separate distribution.
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o New elliptic curve library section.
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o New AES (Rijndael) library section.
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o Support for new platforms: Windows CE, Tandem OSS, A/UX, AIX 64-bit,
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Linux x86_64, Linux 64-bit on Sparc v9
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o Extended support for some platforms: VxWorks
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o Enhanced support for shared libraries.
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o Now only builds PIC code when shared library support is requested.
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o Support for pkg-config.
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o Lots of new manuals.
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o Makes symbolic links to or copies of manuals to cover all described
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functions.
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o Change DES API to clean up the namespace (some applications link also
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against libdes providing similar functions having the same name).
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Provide macros for backward compatibility (will be removed in the
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future).
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o Unify handling of cryptographic algorithms (software and engine)
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to be available via EVP routines for asymmetric and symmetric ciphers.
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o NCONF: new configuration handling routines.
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o Change API to use more 'const' modifiers to improve error checking
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and help optimizers.
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o Finally remove references to RSAref.
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o Reworked parts of the BIGNUM code.
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o Support for new engines: Broadcom ubsec, Accelerated Encryption
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Processing, IBM 4758.
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o A few new engines added in the demos area.
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o Extended and corrected OID (object identifier) table.
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o PRNG: query at more locations for a random device, automatic query for
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EGD style random sources at several locations.
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o SSL/TLS: allow optional cipher choice according to server's preference.
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o SSL/TLS: allow server to explicitly set new session ids.
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o SSL/TLS: support Kerberos cipher suites (RFC2712).
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Only supports MIT Kerberos for now.
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o SSL/TLS: allow more precise control of renegotiations and sessions.
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o SSL/TLS: add callback to retrieve SSL/TLS messages.
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o SSL/TLS: support AES cipher suites (RFC3268).
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Major changes between OpenSSL 0.9.6h and OpenSSL 0.9.6i:
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o Important security related bugfixes.
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Major changes between OpenSSL 0.9.6g and OpenSSL 0.9.6h:
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o New configuration targets for Tandem OSS and A/UX.
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o New OIDs for Microsoft attributes.
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o Better handling of SSL session caching.
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o Better comparison of distinguished names.
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o Better handling of shared libraries in a mixed GNU/non-GNU environment.
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o Support assembler code with Borland C.
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o Fixes for length problems.
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o Fixes for uninitialised variables.
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o Fixes for memory leaks, some unusual crashes and some race conditions.
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o Fixes for smaller building problems.
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o Updates of manuals, FAQ and other instructive documents.
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Major changes between OpenSSL 0.9.6f and OpenSSL 0.9.6g:
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o Important building fixes on Unix.
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Major changes between OpenSSL 0.9.6e and OpenSSL 0.9.6f:
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o Various important bugfixes.
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Major changes between OpenSSL 0.9.6d and OpenSSL 0.9.6e:
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o Important security related bugfixes.
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o Various SSL/TLS library bugfixes.
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Major changes between OpenSSL 0.9.6c and OpenSSL 0.9.6d:
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o Various SSL/TLS library bugfixes.
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o Fix DH parameter generation for 'non-standard' generators.
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Major changes between OpenSSL 0.9.6b and OpenSSL 0.9.6c:
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o Various SSL/TLS library bugfixes.
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o BIGNUM library fixes.
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o RSA OAEP and random number generation fixes.
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o Object identifiers corrected and added.
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o Add assembler BN routines for IA64.
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o Add support for OS/390 Unix, UnixWare with gcc, OpenUNIX 8,
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MIPS Linux; shared library support for Irix, HP-UX.
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o Add crypto accelerator support for AEP, Baltimore SureWare,
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Broadcom and Cryptographic Appliance's keyserver
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[in 0.9.6c-engine release].
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Major changes between OpenSSL 0.9.6a and OpenSSL 0.9.6b:
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o Security fix: PRNG improvements.
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o Security fix: RSA OAEP check.
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o Security fix: Reinsert and fix countermeasure to Bleichbacher's
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attack.
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o MIPS bug fix in BIGNUM.
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o Bug fix in "openssl enc".
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o Bug fix in X.509 printing routine.
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o Bug fix in DSA verification routine and DSA S/MIME verification.
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o Bug fix to make PRNG thread-safe.
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o Bug fix in RAND_file_name().
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o Bug fix in compatibility mode trust settings.
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o Bug fix in blowfish EVP.
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o Increase default size for BIO buffering filter.
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o Compatibility fixes in some scripts.
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Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.6a:
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o Security fix: change behavior of OpenSSL to avoid using
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environment variables when running as root.
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o Security fix: check the result of RSA-CRT to reduce the
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possibility of deducing the private key from an incorrectly
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calculated signature.
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o Security fix: prevent Bleichenbacher's DSA attack.
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o Security fix: Zero the premaster secret after deriving the
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master secret in DH ciphersuites.
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o Reimplement SSL_peek(), which had various problems.
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o Compatibility fix: the function des_encrypt() renamed to
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des_encrypt1() to avoid clashes with some Unixen libc.
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o Bug fixes for Win32, HP/UX and Irix.
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o Bug fixes in BIGNUM, SSL, PKCS#7, PKCS#12, X.509, CONF and
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memory checking routines.
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o Bug fixes for RSA operations in threaded environments.
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o Bug fixes in misc. openssl applications.
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o Remove a few potential memory leaks.
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o Add tighter checks of BIGNUM routines.
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o Shared library support has been reworked for generality.
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o More documentation.
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o New function BN_rand_range().
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o Add "-rand" option to openssl s_client and s_server.
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Major changes between OpenSSL 0.9.5a and OpenSSL 0.9.6:
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o Some documentation for BIO and SSL libraries.
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o Enhanced chain verification using key identifiers.
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o New sign and verify options to 'dgst' application.
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o Support for DER and PEM encoded messages in 'smime' application.
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o New 'rsautl' application, low level RSA utility.
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o MD4 now included.
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o Bugfix for SSL rollback padding check.
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o Support for external crypto devices [1].
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o Enhanced EVP interface.
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[1] The support for external crypto devices is currently a separate
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distribution. See the file README.ENGINE.
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Major changes between OpenSSL 0.9.5 and OpenSSL 0.9.5a:
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o Bug fixes for Win32, SuSE Linux, NeXTSTEP and FreeBSD 2.2.8
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o Shared library support for HPUX and Solaris-gcc
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o Support of Linux/IA64
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o Assembler support for Mingw32
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o New 'rand' application
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o New way to check for existence of algorithms from scripts
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Major changes between OpenSSL 0.9.4 and OpenSSL 0.9.5:
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o S/MIME support in new 'smime' command
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o Documentation for the OpenSSL command line application
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o Automation of 'req' application
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o Fixes to make s_client, s_server work under Windows
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o Support for multiple fieldnames in SPKACs
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o New SPKAC command line utilty and associated library functions
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o Options to allow passwords to be obtained from various sources
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o New public key PEM format and options to handle it
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o Many other fixes and enhancements to command line utilities
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o Usable certificate chain verification
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o Certificate purpose checking
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o Certificate trust settings
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o Support of authority information access extension
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o Extensions in certificate requests
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o Simplified X509 name and attribute routines
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o Initial (incomplete) support for international character sets
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o New DH_METHOD, DSA_METHOD and enhanced RSA_METHOD
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o Read only memory BIOs and simplified creation function
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o TLS/SSL protocol bugfixes: Accept TLS 'client hello' in SSL 3.0
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record; allow fragmentation and interleaving of handshake and other
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data
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o TLS/SSL code now "tolerates" MS SGC
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o Work around for Netscape client certificate hang bug
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o RSA_NULL option that removes RSA patent code but keeps other
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RSA functionality
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o Memory leak detection now allows applications to add extra information
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via a per-thread stack
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o PRNG robustness improved
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o EGD support
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o BIGNUM library bug fixes
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o Faster DSA parameter generation
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o Enhanced support for Alpha Linux
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o Experimental MacOS support
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Major changes between OpenSSL 0.9.3 and OpenSSL 0.9.4:
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o Transparent support for PKCS#8 format private keys: these are used
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by several software packages and are more secure than the standard
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form
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o PKCS#5 v2.0 implementation
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o Password callbacks have a new void * argument for application data
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o Avoid various memory leaks
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o New pipe-like BIO that allows using the SSL library when actual I/O
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must be handled by the application (BIO pair)
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Major changes between OpenSSL 0.9.2b and OpenSSL 0.9.3:
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o Lots of enhancements and cleanups to the Configuration mechanism
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o RSA OEAP related fixes
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o Added `openssl ca -revoke' option for revoking a certificate
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o Source cleanups: const correctness, type-safe stacks and ASN.1 SETs
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o Source tree cleanups: removed lots of obsolete files
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o Thawte SXNet, certificate policies and CRL distribution points
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extension support
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o Preliminary (experimental) S/MIME support
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o Support for ASN.1 UTF8String and VisibleString
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o Full integration of PKCS#12 code
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o Sparc assembler bignum implementation, optimized hash functions
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o Option to disable selected ciphers
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Major changes between OpenSSL 0.9.1c and OpenSSL 0.9.2b:
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o Fixed a security hole related to session resumption
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o Fixed RSA encryption routines for the p < q case
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o "ALL" in cipher lists now means "everything except NULL ciphers"
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o Support for Triple-DES CBCM cipher
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o Support of Optimal Asymmetric Encryption Padding (OAEP) for RSA
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o First support for new TLSv1 ciphers
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o Added a few new BIOs (syslog BIO, reliable BIO)
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o Extended support for DSA certificate/keys.
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o Extended support for Certificate Signing Requests (CSR)
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o Initial support for X.509v3 extensions
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o Extended support for compression inside the SSL record layer
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o Overhauled Win32 builds
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o Cleanups and fixes to the Big Number (BN) library
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o Support for ASN.1 GeneralizedTime
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o Splitted ASN.1 SETs from SEQUENCEs
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o ASN1 and PEM support for Netscape Certificate Sequences
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o Overhauled Perl interface
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o Lots of source tree cleanups.
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o Lots of memory leak fixes.
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o Lots of bug fixes.
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Major changes between SSLeay 0.9.0b and OpenSSL 0.9.1c:
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o Integration of the popular NO_RSA/NO_DSA patches
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o Initial support for compression inside the SSL record layer
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o Added BIO proxy and filtering functionality
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o Extended Big Number (BN) library
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o Added RIPE MD160 message digest
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o Addeed support for RC2/64bit cipher
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o Extended ASN.1 parser routines
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o Adjustations of the source tree for CVS
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o Support for various new platforms
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