+ *) Various modifications and fixes to SSL/TLS cipher string
+ handling. For ECC, the code now distinguishes between fixed ECDH
+ with RSA certificates on the one hand and with ECDSA certificates
+ on the other hand, since these are separate ciphersuites. The
+ unused code for Fortezza ciphersuites has been removed.
+
+ For consistency with EDH, ephemeral ECDH is now called "EECDH"
+ (not "ECDHE"). For consistency with the code for DH
+ certificates, use of ECDH certificates is now considered ECDH
+ authentication, not RSA or ECDSA authentication (the latter is
+ merely the CA's signing algorithm and not actively used in the
+ protocol).
+
+ The temporary ciphersuite alias "ECCdraft" is no longer
+ available, and ECC ciphersuites are no longer excluded from "ALL"
+ and "DEFAULT". The following aliases now exist for RFC 4492
+ ciphersuites, most of these by analogy with the DH case:
+
+ kECDHr - ECDH cert, signed with RSA
+ kECDHe - ECDH cert, signed with ECDSA
+ kECDH - ECDH cert (signed with either RSA or ECDSA)
+ kEECDH - ephemeral ECDH
+ ECDH - ECDH cert or ephemeral ECDH
+
+ aECDH - ECDH cert
+ aECDSA - ECDSA cert
+ ECDSA - ECDSA cert
+
+ AECDH - anonymous ECDH
+ EECDH - non-anonymous ephemeral ECDH (equivalent to "kEECDH:-AECDH")
+
+ [Bodo Moeller]
+
+ *) Add additional S/MIME capabilities for AES and GOST ciphers if supported.
+ Use correct micalg parameters depending on digest(s) in signed message.
+ [Steve Henson]
+
+ *) Add engine support for EVP_PKEY_ASN1_METHOD. Add functions to process
+ an ENGINE asn1 method. Support ENGINE lookups in the ASN1 code.
+ [Steve Henson]
+
+ *) Initial engine support for EVP_PKEY_METHOD. New functions to permit
+ an engine to register a method. Add ENGINE lookups for methods and
+ functional reference processing.
+ [Steve Henson]
+
+ *) New functions EVP_Digest{Sign,Verify)*. These are enchance versions of
+ EVP_{Sign,Verify}* which allow an application to customise the signature
+ process.
+ [Steve Henson]
+
+ *) New -resign option to smime utility. This adds one or more signers
+ to an existing PKCS#7 signedData structure. Also -md option to use an
+ alternative message digest algorithm for signing.
+ [Steve Henson]
+
+ *) Tidy up PKCS#7 routines and add new functions to make it easier to
+ create PKCS7 structures containing multiple signers. Update smime
+ application to support multiple signers.
+ [Steve Henson]
+
+ *) New -macalg option to pkcs12 utility to allow setting of an alternative
+ digest MAC.
+ [Steve Henson]
+
+ *) Initial support for PKCS#5 v2.0 PRFs other than default SHA1 HMAC.
+ Reorganize PBE internals to lookup from a static table using NIDs,
+ add support for HMAC PBE OID translation. Add a EVP_CIPHER ctrl:
+ EVP_CTRL_PBE_PRF_NID this allows a cipher to specify an alternative
+ PRF which will be automatically used with PBES2.
+ [Steve Henson]
+
+ *) Replace the algorithm specific calls to generate keys in "req" with the
+ new API.
+ [Steve Henson]
+
+ *) Update PKCS#7 enveloped data routines to use new API. This is now
+ supported by any public key method supporting the encrypt operation. A
+ ctrl is added to allow the public key algorithm to examine or modify
+ the PKCS#7 RecipientInfo structure if it needs to: for RSA this is
+ a no op.
+ [Steve Henson]
+
+ *) Add a ctrl to asn1 method to allow a public key algorithm to express
+ a default digest type to use. In most cases this will be SHA1 but some
+ algorithms (such as GOST) need to specify an alternative digest. The
+ return value indicates how strong the prefernce is 1 means optional and
+ 2 is mandatory (that is it is the only supported type). Modify
+ ASN1_item_sign() to accept a NULL digest argument to indicate it should
+ use the default md. Update openssl utilities to use the default digest
+ type for signing if it is not explicitly indicated.
+ [Steve Henson]
+
+ *) Use OID cross reference table in ASN1_sign() and ASN1_verify(). New
+ EVP_MD flag EVP_MD_FLAG_PKEY_METHOD_SIGNATURE. This uses the relevant
+ signing method from the key type. This effectively removes the link
+ between digests and public key types.
+ [Steve Henson]
+
+ *) Add an OID cross reference table and utility functions. Its purpose is to
+ translate between signature OIDs such as SHA1WithrsaEncryption and SHA1,
+ rsaEncryption. This will allow some of the algorithm specific hackery
+ needed to use the correct OID to be removed.
+ [Steve Henson]
+
+ *) Remove algorithm specific dependencies when setting PKCS7_SIGNER_INFO
+ structures for PKCS7_sign(). They are now set up by the relevant public
+ key ASN1 method.
+ [Steve Henson]
+
+ *) Add provisional EC pkey method with support for ECDSA and ECDH.
+ [Steve Henson]
+
+ *) Add support for key derivation (agreement) in the API, DH method and
+ pkeyutl.
+ [Steve Henson]
+
+ *) Add DSA pkey method and DH pkey methods, extend DH ASN1 method to support
+ public and private key formats. As a side effect these add additional
+ command line functionality not previously available: DSA signatures can be
+ generated and verified using pkeyutl and DH key support and generation in
+ pkey, genpkey.
+ [Steve Henson]
+
+ *) BeOS support.
+ [Oliver Tappe <zooey@hirschkaefer.de>]
+
+ *) New make target "install_html_docs" installs HTML renditions of the
+ manual pages.
+ [Oliver Tappe <zooey@hirschkaefer.de>]
+
+ *) New utility "genpkey" this is analagous to "genrsa" etc except it can
+ generate keys for any algorithm. Extend and update EVP_PKEY_METHOD to
+ support key and parameter generation and add initial key generation
+ functionality for RSA.
+ [Steve Henson]
+
+ *) Add functions for main EVP_PKEY_method operations. The undocumented
+ functions EVP_PKEY_{encrypt,decrypt} have been renamed to
+ EVP_PKEY_{encrypt,decrypt}_old.
+ [Steve Henson]
+
+ *) Initial definitions for EVP_PKEY_METHOD. This will be a high level public
+ key API, doesn't do much yet.
+ [Steve Henson]
+
+ *) New function EVP_PKEY_asn1_get0_info() to retrieve information about
+ public key algorithms. New option to openssl utility:
+ "list-public-key-algorithms" to print out info.
+ [Steve Henson]
+
+ *) Implement the Supported Elliptic Curves Extension for
+ ECC ciphersuites from draft-ietf-tls-ecc-12.txt.
+ [Douglas Stebila]
+
+ *) Don't free up OIDs in OBJ_cleanup() if they are in use by EVP_MD or
+ EVP_CIPHER structures to avoid later problems in EVP_cleanup().
+ [Steve Henson]
+
+ *) New utilities pkey and pkeyparam. These are similar to algorithm specific
+ utilities such as rsa, dsa, dsaparam etc except they process any key
+ type.
+ [Steve Henson]
+
+ *) Transfer public key printing routines to EVP_PKEY_ASN1_METHOD. New
+ functions EVP_PKEY_print_public(), EVP_PKEY_print_private(),
+ EVP_PKEY_print_param() to print public key data from an EVP_PKEY
+ structure.
+ [Steve Henson]
+
+ *) Initial support for pluggable public key ASN1.
+ De-spaghettify the public key ASN1 handling. Move public and private
+ key ASN1 handling to a new EVP_PKEY_ASN1_METHOD structure. Relocate
+ algorithm specific handling to a single module within the relevant
+ algorithm directory. Add functions to allow (near) opaque processing
+ of public and private key structures.
+ [Steve Henson]
+
+ *) Implement the Supported Point Formats Extension for
+ ECC ciphersuites from draft-ietf-tls-ecc-12.txt.
+ [Douglas Stebila]
+
+ *) Add initial support for RFC 4279 PSK TLS ciphersuites. Add members
+ for the psk identity [hint] and the psk callback functions to the
+ SSL_SESSION, SSL and SSL_CTX structure.
+
+ New ciphersuites:
+ PSK-RC4-SHA, PSK-3DES-EDE-CBC-SHA, PSK-AES128-CBC-SHA,
+ PSK-AES256-CBC-SHA
+
+ New functions:
+ SSL_CTX_use_psk_identity_hint
+ SSL_get_psk_identity_hint
+ SSL_get_psk_identity
+ SSL_use_psk_identity_hint
+
+ [Mika Kousa and Pasi Eronen of Nokia Corporation]
+
+ *) Add RFC 3161 compliant time stamp request creation, response generation
+ and response verification functionality.
+ [Zoltán Glózik <zglozik@opentsa.org>, The OpenTSA Project]
+
+ *) 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_client has a new '-servername ...' option.
+
+ openssl s_server has new options '-servername_host ...', '-cert2 ...',
+ '-key2 ...', '-servername_fatal' (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). If the unrecogninzed_name alert has to be sent, this by
+ default is a warning; it becomes fatal with the '-servername_fatal'
+ option.
+
+ [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]
+
+ *) 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.
+ [Steve Henson]
+
+ *) 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]
+
+ *) Modify CRL distribution points extension code to print out previously
+ unsupported fields. Enhance extension setting code to allow setting of
+ all fields.
+ [Steve Henson]
+
+ *) Add print and set support for Issuing Distribution Point CRL extension.
+ [Steve Henson]
+
+ *) Change 'Configure' script to enable Camellia by default.
+ [NTT]
+
+ Changes between 0.9.8b and 0.9.8c [xx XXX xxxx]
+
+ *) 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.
+
+ Also deactive the remaining ciphersuites from
+ draft-ietf-tls-56-bit-ciphersuites-01.txt. These are just as
+ unofficial, and the ID has long expired.
+ [Bodo Moeller]
+
+ *) Fix RSA blinding Heisenbug (problems sometimes occured on
+ dual-core machines) and other potential thread-safety issues.
+ [Bodo Moeller]
+
+ *) Add the symmetric cipher Camellia (128-bit, 192-bit, 256-bit key
+ versions), which is now available for royalty-free use
+ (see http://info.isl.ntt.co.jp/crypt/eng/info/chiteki.html).
+ Also, add Camellia TLS ciphersuites from RFC 4132.
+
+ To minimize changes between patchlevels in the OpenSSL 0.9.8
+ series, Camellia remains excluded from compilation unless OpenSSL
+ is configured with 'enable-camellia'.
+ [NTT]
+
+ *) Disable the padding bug check when compression is in use. The padding
+ bug check assumes the first packet is of even length, this is not
+ necessarily true if compresssion is enabled and can result in false
+ positives causing handshake failure. The actual bug test is ancient
+ code so it is hoped that implementations will either have fixed it by
+ now or any which still have the bug do not support compression.
+ [Steve Henson]
+
+ Changes between 0.9.8a and 0.9.8b [04 May 2006]
+
+ *) When applying a cipher rule check to see if string match is an explicit
+ cipher suite and only match that one cipher suite if it is.
+ [Steve Henson]
+
+ *) Link in manifests for VC++ if needed.
+ [Austin Ziegler <halostatue@gmail.com>]
+
+ *) Update support for ECC-based TLS ciphersuites according to
+ draft-ietf-tls-ecc-12.txt with proposed changes (but without
+ TLS extensions, which are supported starting with the 0.9.9
+ branch, not in the OpenSSL 0.9.8 branch).
+ [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
+ idea. (CVE-2005-2969)
+
+ [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]
+
+ *) 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]
+
+ [NB: OpenSSL 0.9.7i and later 0.9.7 patch levels were released after
+ OpenSSL 0.9.8.]
+
+ *) 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'.
+ [Stefan <stf@udoma.org]
+
+ *) Removed the macro des_crypt(), as it seems to conflict with some
+ libraries. Use DES_crypt().
+ [Richard Levitte]
+
+ *) Correct naming of the 'chil' and '4758cca' ENGINEs. This
+ involves renaming the source and generated shared-libs for
+ both. The engines will accept the corrected or legacy ids
+ ('ncipher' and '4758_cca' respectively) when binding. NB,
+ this only applies when building 'shared'.
+ [Corinna Vinschen <vinschen@redhat.com> and Geoff Thorpe]
+
+ *) Add attribute functions to EVP_PKEY structure. Modify
+ PKCS12_create() to recognize a CSP name attribute and
+ use it. Make -CSP option work again in pkcs12 utility.
+ [Steve Henson]
+
+ *) Add new functionality to the bn blinding code:
+ - automatic re-creation of the BN_BLINDING parameters after
+ a fixed number of uses (currently 32)
+ - add new function for parameter creation
+ - introduce flags to control the update behaviour of the
+ BN_BLINDING parameters
+ - hide BN_BLINDING structure
+ Add a second BN_BLINDING slot to the RSA structure to improve
+ performance when a single RSA object is shared among several
+ threads.
+ [Nils Larsch]
+
+ *) Add support for DTLS.
+ [Nagendra Modadugu <nagendra@cs.stanford.edu> and Ben Laurie]
+
+ *) Add support for DER encoded private keys (SSL_FILETYPE_ASN1)
+ to SSL_CTX_use_PrivateKey_file() and SSL_use_PrivateKey_file()
+ [Walter Goulet]
+
+ *) Remove buggy and incompletet DH cert support from
+ ssl/ssl_rsa.c and ssl/s3_both.c
+ [Nils Larsch]
+
+ *) Use SHA-1 instead of MD5 as the default digest algorithm for
+ the apps/openssl applications.
+ [Nils Larsch]
+
+ *) Compile clean with "-Wall -Wmissing-prototypes
+ -Wstrict-prototypes -Wmissing-declarations -Werror". Currently
+ DEBUG_SAFESTACK must also be set.
+ [Ben Laurie]
+
+ *) Change ./Configure so that certain algorithms can be disabled by default.
+ The new counterpiece to "no-xxx" is "enable-xxx".
+
+ The patented RC5 and MDC2 algorithms will now be disabled unless
+ "enable-rc5" and "enable-mdc2", respectively, are specified.
+
+ (IDEA remains enabled despite being patented. This is because IDEA
+ is frequently required for interoperability, and there is no license
+ fee for non-commercial use. As before, "no-idea" can be used to
+ avoid this algorithm.)
+
+ [Bodo Moeller]
+
+ *) Add processing of proxy certificates (see RFC 3820). This work was
+ sponsored by KTH (The Royal Institute of Technology in Stockholm) and
+ EGEE (Enabling Grids for E-science in Europe).
+ [Richard Levitte]
+
+ *) RC4 performance overhaul on modern architectures/implementations, such
+ as Intel P4, IA-64 and AMD64.
+ [Andy Polyakov]
+
+ *) New utility extract-section.pl. This can be used specify an alternative
+ section number in a pod file instead of having to treat each file as
+ a separate case in Makefile. This can be done by adding two lines to the
+ pod file:
+
+ =for comment openssl_section:XXX
+
+ The blank line is mandatory.
+
+ [Steve Henson]
+
+ *) New arguments -certform, -keyform and -pass for s_client and s_server
+ to allow alternative format key and certificate files and passphrase
+ sources.
+ [Steve Henson]
+
+ *) New structure X509_VERIFY_PARAM which combines current verify parameters,
+ update associated structures and add various utility functions.
+
+ Add new policy related verify parameters, include policy checking in
+ standard verify code. Enhance 'smime' application with extra parameters
+ to support policy checking and print out.
+ [Steve Henson]
+
+ *) Add a new engine to support VIA PadLock ACE extensions in the VIA C3
+ Nehemiah processors. These extensions support AES encryption in hardware
+ as well as RNG (though RNG support is currently disabled).
+ [Michal Ludvig <michal@logix.cz>, with help from Andy Polyakov]
+
+ *) Deprecate BN_[get|set]_params() functions (they were ignored internally).
+ [Geoff Thorpe]
+
+ *) New FIPS 180-2 algorithms, SHA-224/-256/-384/-512 are implemented.
+ [Andy Polyakov and a number of other people]
+
+ *) Improved PowerPC platform support. Most notably BIGNUM assembler
+ implementation contributed by IBM.
+ [Suresh Chari, Peter Waltenberg, Andy Polyakov]
+
+ *) The new 'RSA_generate_key_ex' function now takes a BIGNUM for the public
+ exponent rather than 'unsigned long'. There is a corresponding change to
+ the new 'rsa_keygen' element of the RSA_METHOD structure.
+ [Jelte Jansen, Geoff Thorpe]
+
+ *) Functionality for creating the initial serial number file is now
+ moved from CA.pl to the 'ca' utility with a new option -create_serial.
+
+ (Before OpenSSL 0.9.7e, CA.pl used to initialize the serial
+ number file to 1, which is bound to cause problems. To avoid
+ the problems while respecting compatibility between different 0.9.7
+ patchlevels, 0.9.7e employed 'openssl x509 -next_serial' in
+ CA.pl for serial number initialization. With the new release 0.9.8,
+ we can fix the problem directly in the 'ca' utility.)
+ [Steve Henson]
+
+ *) Reduced header interdepencies by declaring more opaque objects in
+ ossl_typ.h. As a consequence, including some headers (eg. engine.h) will
+ give fewer recursive includes, which could break lazy source code - so
+ this change is covered by the OPENSSL_NO_DEPRECATED symbol. As always,
+ developers should define this symbol when building and using openssl to
+ ensure they track the recommended behaviour, interfaces, [etc], but
+ backwards-compatible behaviour prevails when this isn't defined.
+ [Geoff Thorpe]
+
+ *) New function X509_POLICY_NODE_print() which prints out policy nodes.
+ [Steve Henson]
+
+ *) Add new EVP function EVP_CIPHER_CTX_rand_key and associated functionality.
+ This will generate a random key of the appropriate length based on the
+ cipher context. The EVP_CIPHER can provide its own random key generation
+ routine to support keys of a specific form. This is used in the des and
+ 3des routines to generate a key of the correct parity. Update S/MIME
+ code to use new functions and hence generate correct parity DES keys.
+ Add EVP_CHECK_DES_KEY #define to return an error if the key is not
+ valid (weak or incorrect parity).
+ [Steve Henson]
+
+ *) Add a local set of CRLs that can be used by X509_verify_cert() as well
+ as looking them up. This is useful when the verified structure may contain
+ CRLs, for example PKCS#7 signedData. Modify PKCS7_verify() to use any CRLs
+ present unless the new PKCS7_NO_CRL flag is asserted.
+ [Steve Henson]
+
+ *) Extend ASN1 oid configuration module. It now additionally accepts the
+ syntax:
+
+ shortName = some long name, 1.2.3.4
+ [Steve Henson]
+
+ *) Reimplemented the BN_CTX implementation. There is now no more static
+ limitation on the number of variables it can handle nor the depth of the
+ "stack" handling for BN_CTX_start()/BN_CTX_end() pairs. The stack
+ information can now expand as required, and rather than having a single
+ static array of bignums, BN_CTX now uses a linked-list of such arrays
+ allowing it to expand on demand whilst maintaining the usefulness of
+ BN_CTX's "bundling".
+ [Geoff Thorpe]
+
+ *) Add a missing BN_CTX parameter to the 'rsa_mod_exp' callback in RSA_METHOD
+ to allow all RSA operations to function using a single BN_CTX.
+ [Geoff Thorpe]
+
+ *) Preliminary support for certificate policy evaluation and checking. This
+ is initially intended to pass the tests outlined in "Conformance Testing
+ of Relying Party Client Certificate Path Processing Logic" v1.07.
+ [Steve Henson]
+
+ *) bn_dup_expand() has been deprecated, it was introduced in 0.9.7 and
+ remained unused and not that useful. A variety of other little bignum
+ tweaks and fixes have also been made continuing on from the audit (see
+ below).
+ [Geoff Thorpe]
+
+ *) Constify all or almost all d2i, c2i, s2i and r2i functions, along with
+ associated ASN1, EVP and SSL functions and old ASN1 macros.
+ [Richard Levitte]
+
+ *) BN_zero() only needs to set 'top' and 'neg' to zero for correct results,
+ and this should never fail. So the return value from the use of
+ BN_set_word() (which can fail due to needless expansion) is now deprecated;
+ if OPENSSL_NO_DEPRECATED is defined, BN_zero() is a void macro.
+ [Geoff Thorpe]
+
+ *) BN_CTX_get() should return zero-valued bignums, providing the same
+ initialised value as BN_new().
+ [Geoff Thorpe, suggested by Ulf Möller]
+
+ *) Support for inhibitAnyPolicy certificate extension.
+ [Steve Henson]
+
+ *) An audit of the BIGNUM code is underway, for which debugging code is
+ enabled when BN_DEBUG is defined. This makes stricter enforcements on what
+ is considered valid when processing BIGNUMs, and causes execution to
+ assert() when a problem is discovered. If BN_DEBUG_RAND is defined,
+ further steps are taken to deliberately pollute unused data in BIGNUM
+ structures to try and expose faulty code further on. For now, openssl will
+ (in its default mode of operation) continue to tolerate the inconsistent
+ forms that it has tolerated in the past, but authors and packagers should
+ consider trying openssl and their own applications when compiled with
+ these debugging symbols defined. It will help highlight potential bugs in
+ their own code, and will improve the test coverage for OpenSSL itself. At
+ some point, these tighter rules will become openssl's default to improve
+ maintainability, though the assert()s and other overheads will remain only
+ in debugging configurations. See bn.h for more details.
+ [Geoff Thorpe, Nils Larsch, Ulf Möller]
+
+ *) BN_CTX_init() has been deprecated, as BN_CTX is an opaque structure
+ that can only be obtained through BN_CTX_new() (which implicitly
+ initialises it). The presence of this function only made it possible
+ to overwrite an existing structure (and cause memory leaks).
+ [Geoff Thorpe]
+
+ *) Because of the callback-based approach for implementing LHASH as a
+ template type, lh_insert() adds opaque objects to hash-tables and
+ lh_doall() or lh_doall_arg() are typically used with a destructor callback
+ to clean up those corresponding objects before destroying the hash table
+ (and losing the object pointers). So some over-zealous constifications in
+ LHASH have been relaxed so that lh_insert() does not take (nor store) the
+ objects as "const" and the lh_doall[_arg] callback wrappers are not
+ prototyped to have "const" restrictions on the object pointers they are
+ given (and so aren't required to cast them away any more).
+ [Geoff Thorpe]
+
+ *) The tmdiff.h API was so ugly and minimal that our own timing utility
+ (speed) prefers to use its own implementation. The two implementations
+ haven't been consolidated as yet (volunteers?) but the tmdiff API has had
+ its object type properly exposed (MS_TM) instead of casting to/from "char
+ *". This may still change yet if someone realises MS_TM and "ms_time_***"
+ aren't necessarily the greatest nomenclatures - but this is what was used
+ internally to the implementation so I've used that for now.
+ [Geoff Thorpe]
+
+ *) Ensure that deprecated functions do not get compiled when
+ OPENSSL_NO_DEPRECATED is defined. Some "openssl" subcommands and a few of
+ the self-tests were still using deprecated key-generation functions so
+ these have been updated also.