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Ralf S. Engelschall
committed
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Changes between 0.9.8a and 0.9.9 [xx XXX xxxx]
*) Add initial support for TLS extensions, specifically for the server_name
extension so far. The SSL_SESSION, SSL_CTX, and SSL data structures now
have new members for a host name. The SSL data structure has an
additional member SSL_CTX *initial_ctx so that new sessions can be
stored in that context to allow for session resumption, even after the
SSL has been switched to a new SSL_CTX in reaction to a client's
server_name extension.
New functions (subject to change):
SSL_get_servername()
SSL_get_servername_type()
SSL_set_SSL_CTX()
New CTRL codes and macros (subject to change):
SSL_CTRL_SET_TLSEXT_SERVERNAME_CB
- SSL_CTX_set_tlsext_servername_callback()
SSL_CTRL_SET_TLSEXT_SERVERNAME_ARG
- SSL_CTX_set_tlsext_servername_arg()
SSL_CTRL_SET_TLSEXT_HOSTNAME - SSL_set_tlsext_hostname()
openssl s_server has new options '-servername', '-cert2', and '-key2'
(subject to change); this allows testing the HostName extension for a
specific single host name ('-cert' and '-key' remain fallbacks for
handshakes without HostName negotiation).
The option servername_warn allows to return a warning alert instead of
a fatal alert in case of servername mismatch.
[Peter Sylvester, Remy Allais, Christophe Renou]
*) Whirlpool hash implementation is added.
[Andy Polyakov]
*) BIGNUM code on 64-bit SPARCv9 targets is switched from bn(64,64) to
bn(64,32). Because of instruction set limitations it doesn't have
any negative impact on performance. This was done mostly in order
to make it possible to share assembler modules, such as bn_mul_mont
implementations, between 32- and 64-bit builds without hassle.
[Andy Polyakov]
*) Disable rogue ciphersuites:
- SSLv2 0x08 0x00 0x80 ("RC4-64-MD5")
- SSLv3/TLSv1 0x00 0x61 ("EXP1024-RC2-CBC-MD5")
- SSLv3/TLSv1 0x00 0x60 ("EXP1024-RC4-MD5")
The latter two were purportedly from
draft-ietf-tls-56-bit-ciphersuites-0[01].txt, but do not really
appear there.
Other ciphersuites from draft-ietf-tls-56-bit-ciphersuites-01.txt
remain enabled for now, but are just as unofficial, and the ID
has long expired; these will probably disappear soon.
[Bodo Moeller]
*) Move code previously exiled into file crypto/ec/ec2_smpt.c
to ec2_smpl.c, and no longer require the OPENSSL_EC_BIN_PT_COMP
macro.
[Bodo Moeller]
*) New candidate for BIGNUM assembler implementation, bn_mul_mont,
dedicated Montgomery multiplication procedure, is introduced.
BN_MONT_CTX is modified to allow bn_mul_mont to reach for higher
"64-bit" performance on certain 32-bit targets.
[Andy Polyakov]
*) New option SSL_OP_NO_COMP to disable use of compression selectively
in SSL structures. New SSL ctrl to set maximum send fragment size.
Save memory by seeting the I/O buffer sizes dynamically instead of
using the maximum available value.
[Steve Henson]
*) New option -V for 'openssl ciphers'. This prints the ciphersuite code
in addition to the text details.
[Bodo Moeller]
*) Very, very preliminary EXPERIMENTAL support for printing of general
ASN1 structures. This currently produces rather ugly output and doesn't
handle several customised structures at all.
[Steve Henson]
*) Integrated support for PVK file format and some related formats such
as MS PUBLICKEYBLOB and PRIVATEKEYBLOB. Command line switches to support
these in the 'rsa' and 'dsa' utilities.
[Steve Henson]
*) Support for PKCS#1 RSAPublicKey format on rsa utility command line.
[Steve Henson]
*) Remove the ancient ASN1_METHOD code. This was only ever used in one
place for the (very old) "NETSCAPE" format certificates which are now
handled using new ASN1 code equivalents.
*) Let the TLSv1_method() etc. functions return a 'const' SSL_METHOD
pointer and make the SSL_METHOD parameter in SSL_CTX_new,
SSL_CTX_set_ssl_version and SSL_set_ssl_method 'const'.
[Nils Larsch]
Dr. Stephen Henson
committed
*) Modify CRL distribution points extension code to print out previously
unsupported fields. Enhance extension setting code to allow setting of
all fields.
Dr. Stephen Henson
committed
[Steve Henson]
*) Add print and set support for Issuing Distribution Point CRL extension.
*) Update support for ECC-based TLS ciphersuites according to
draft-ietf-tls-ecc-12.txt with proposed changes.
[Douglas Stebila]
*) New functions EVP_CIPHER_CTX_new() and EVP_CIPHER_CTX_free() to support
opaque EVP_CIPHER_CTX handling.
[Steve Henson]
*) Fixes and enhancements to zlib compression code. We now only use
"zlib1.dll" and use the default __cdecl calling convention on Win32
to conform with the standards mentioned here:
http://www.zlib.net/DLL_FAQ.txt
Static zlib linking now works on Windows and the new --with-zlib-include
--with-zlib-lib options to Configure can be used to supply the location
of the headers and library. Gracefully handle case where zlib library
can't be loaded.
[Steve Henson]
*) Several fixes and enhancements to the OID generation code. The old code
sometimes allowed invalid OIDs (1.X for X >= 40 for example), couldn't
handle numbers larger than ULONG_MAX, truncated printing and had a
non standard OBJ_obj2txt() behaviour.
[Steve Henson]
*) Add support for building of engines under engine/ as shared libraries
under VC++ build system.
[Steve Henson]
*) Corrected the numerous bugs in the Win32 path splitter in DSO.
Hopefully, we will not see any false combination of paths any more.
[Richard Levitte]
Changes between 0.9.8 and 0.9.8a [11 Oct 2005]
*) Remove the functionality of SSL_OP_MSIE_SSLV2_RSA_PADDING
(part of SSL_OP_ALL). This option used to disable the
countermeasure against man-in-the-middle protocol-version
rollback in the SSL 2.0 server implementation, which is a bad
[Bodo Moeller; problem pointed out by Yutaka Oiwa (Research Center
for Information Security, National Institute of Advanced Industrial
Science and Technology [AIST], Japan)]
*) Add two function to clear and return the verify parameter flags.
[Steve Henson]
*) Keep cipherlists sorted in the source instead of sorting them at
runtime, thus removing the need for a lock.
[Nils Larsch]
*) Avoid some small subgroup attacks in Diffie-Hellman.
[Nick Mathewson and Ben Laurie]
*) Add functions for well-known primes.
[Nick Mathewson]
*) Extended Windows CE support.
[Satoshi Nakamura and Andy Polyakov]
Dr. Stephen Henson
committed
*) Initialize SSL_METHOD structures at compile time instead of during
runtime, thus removing the need for a lock.
[Steve Henson]
*) Make PKCS7_decrypt() work even if no certificate is supplied by
attempting to decrypt each encrypted key in turn. Add support to
smime utility.
[Steve Henson]
Changes between 0.9.7h and 0.9.8 [05 Jul 2005]
*) Add libcrypto.pc and libssl.pc for those who feel they need them.
[Richard Levitte]
*) Change CA.sh and CA.pl so they don't bundle the CSR and the private
key into the same file any more.
[Richard Levitte]
*) Add initial support for Win64, both IA64 and AMD64/x64 flavors.
[Andy Polyakov]
*) Add -utf8 command line and config file option to 'ca'.
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