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  NEWS
  ====

  This file gives a brief overview of the major changes between each OpenSSL
  release. For more details please read the CHANGES file.

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  Major changes between OpenSSL 1.0.2h and OpenSSL 1.1.0 [in pre-release]
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      o Copyright text was shrunk to a boilerplate that points to the license
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      o "shared" builds are now the default when possible
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      o Added support for "pipelining"
      o Added the AFALG engine
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      o New threading API implemented
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      o Support for ChaCha20 and Poly1305 added to libcrypto and libssl
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      o Support for extended master secret
      o CCM ciphersuites
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      o Reworked test suite, now based on perl, Test::Harness and Test::More
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      o *Most* libcrypto and libssl structures were made opaque including:
        <TBA>
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      o libssl internal structures made opaque
      o SSLv2 support removed
      o Kerberos ciphersuite support removed
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      o RC4 removed from DEFAULT ciphersuites in libssl
      o 40 and 56 bit cipher support removed from libssl
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      o All public header files moved to include/openssl, no more symlinking
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      o SSL/TLS state machine, version negotiation and record layer rewritten
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      o EC revision: now operations use new EC_KEY_METHOD.
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      o Support for OCB mode added to libcrypto
      o Support for asynchronous crypto operations added to libcrypto and libssl
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      o Deprecated interfaces can now be disabled at build time either
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        relative to the latest release via the "no-deprecated" Configure
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        argument, or via the "--api=1.1.0|1.0.0|0.9.8" option.
      o Application software can be compiled with -DOPENSSL_API_COMPAT=version
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        to ensure that features deprecated in that version are not exposed.
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      o Support for RFC6698/RFC7671 DANE TLSA peer authentication
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      o Change of Configure to use --prefix as the main installation
        directory location rather than --openssldir.  The latter becomes
        the directory for certs, private key and openssl.cnf exclusively.
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      o Reworked BIO networking library, with full support for IPv6.
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      o New "unified" build system
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      o New security levels
      o Support for scrypt algorithm
      o Support for X25519
      o Extended SSL_CONF support using configuration files
      o KDF algorithm support. Implement TLS PRF as a KDF.
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      o Support for Certificate Transparency
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      o HKDF support.
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  Major changes between OpenSSL 1.0.2g and OpenSSL 1.0.2h [3 May 2016]

      o Prevent padding oracle in AES-NI CBC MAC check (CVE-2016-2107)
      o Fix EVP_EncodeUpdate overflow (CVE-2016-2105)
      o Fix EVP_EncryptUpdate overflow (CVE-2016-2106)
      o Prevent ASN.1 BIO excessive memory allocation (CVE-2016-2109)
      o EBCDIC overread (CVE-2016-2176)
      o Modify behavior of ALPN to invoke callback after SNI/servername
        callback, such that updates to the SSL_CTX affect ALPN.
      o Remove LOW from the DEFAULT cipher list.  This removes singles DES from
        the default.
      o Only remove the SSLv2 methods with the no-ssl2-method option.

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  Major changes between OpenSSL 1.0.2f and OpenSSL 1.0.2g [1 Mar 2016]

      o Disable weak ciphers in SSLv3 and up in default builds of OpenSSL.
      o Disable SSLv2 default build, default negotiation and weak ciphers
        (CVE-2016-0800)
      o Fix a double-free in DSA code (CVE-2016-0705)
      o Disable SRP fake user seed to address a server memory leak
        (CVE-2016-0798)
      o Fix BN_hex2bn/BN_dec2bn NULL pointer deref/heap corruption
        (CVE-2016-0797)
      o Fix memory issues in BIO_*printf functions (CVE-2016-0799)
      o Fix side channel attack on modular exponentiation (CVE-2016-0702)

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  Major changes between OpenSSL 1.0.2e and OpenSSL 1.0.2f [28 Jan 2016]

      o DH small subgroups (CVE-2016-0701)
      o SSLv2 doesn't block disabled ciphers (CVE-2015-3197)

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  Major changes between OpenSSL 1.0.2d and OpenSSL 1.0.2e [3 Dec 2015]

      o BN_mod_exp may produce incorrect results on x86_64 (CVE-2015-3193)
      o Certificate verify crash with missing PSS parameter (CVE-2015-3194)
      o X509_ATTRIBUTE memory leak (CVE-2015-3195)
      o Rewrite EVP_DecodeUpdate (base64 decoding) to fix several bugs
      o In DSA_generate_parameters_ex, if the provided seed is too short,
        return an error

  Major changes between OpenSSL 1.0.2c and OpenSSL 1.0.2d [9 Jul 2015]
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      o Alternate chains certificate forgery (CVE-2015-1793)
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      o Race condition handling PSK identify hint (CVE-2015-3196)
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  Major changes between OpenSSL 1.0.2b and OpenSSL 1.0.2c [12 Jun 2015]

      o Fix HMAC ABI incompatibility

  Major changes between OpenSSL 1.0.2a and OpenSSL 1.0.2b [11 Jun 2015]
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      o Malformed ECParameters causes infinite loop (CVE-2015-1788)
      o Exploitable out-of-bounds read in X509_cmp_time (CVE-2015-1789)
      o PKCS7 crash with missing EnvelopedContent (CVE-2015-1790)
      o CMS verify infinite loop with unknown hash function (CVE-2015-1792)
      o Race condition handling NewSessionTicket (CVE-2015-1791)

  Major changes between OpenSSL 1.0.2 and OpenSSL 1.0.2a [19 Mar 2015]
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      o OpenSSL 1.0.2 ClientHello sigalgs DoS fix (CVE-2015-0291)
      o Multiblock corrupted pointer fix (CVE-2015-0290)
      o Segmentation fault in DTLSv1_listen fix (CVE-2015-0207)
      o Segmentation fault in ASN1_TYPE_cmp fix (CVE-2015-0286)
      o Segmentation fault for invalid PSS parameters fix (CVE-2015-0208)
      o ASN.1 structure reuse memory corruption fix (CVE-2015-0287)
      o PKCS7 NULL pointer dereferences fix (CVE-2015-0289)
      o DoS via reachable assert in SSLv2 servers fix (CVE-2015-0293)
      o Empty CKE with client auth and DHE fix (CVE-2015-1787)
      o Handshake with unseeded PRNG fix (CVE-2015-0285)
      o Use After Free following d2i_ECPrivatekey error fix (CVE-2015-0209)
      o X509_to_X509_REQ NULL pointer deref fix (CVE-2015-0288)
      o Removed the export ciphers from the DEFAULT ciphers

  Major changes between OpenSSL 1.0.1l and OpenSSL 1.0.2 [22 Jan 2015]:
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      o Suite B support for TLS 1.2 and DTLS 1.2
      o Support for DTLS 1.2
      o TLS automatic EC curve selection.
      o API to set TLS supported signature algorithms and curves
      o SSL_CONF configuration API.
      o TLS Brainpool support.
      o ALPN support.
      o CMS support for RSA-PSS, RSA-OAEP, ECDH and X9.42 DH.

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  Major changes between OpenSSL 1.0.1k and OpenSSL 1.0.1l [15 Jan 2015]

      o Build fixes for the Windows and OpenVMS platforms

  Major changes between OpenSSL 1.0.1j and OpenSSL 1.0.1k [8 Jan 2015]

      o Fix for CVE-2014-3571
      o Fix for CVE-2015-0206
      o Fix for CVE-2014-3569
      o Fix for CVE-2014-3572
      o Fix for CVE-2015-0204
      o Fix for CVE-2015-0205
      o Fix for CVE-2014-8275
      o Fix for CVE-2014-3570

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  Major changes between OpenSSL 1.0.1i and OpenSSL 1.0.1j [15 Oct 2014]

      o Fix for CVE-2014-3513
      o Fix for CVE-2014-3567
      o Mitigation for CVE-2014-3566 (SSL protocol vulnerability)
      o Fix for CVE-2014-3568

  Major changes between OpenSSL 1.0.1h and OpenSSL 1.0.1i [6 Aug 2014]

      o Fix for CVE-2014-3512
      o Fix for CVE-2014-3511
      o Fix for CVE-2014-3510
      o Fix for CVE-2014-3507
      o Fix for CVE-2014-3506
      o Fix for CVE-2014-3505
      o Fix for CVE-2014-3509
      o Fix for CVE-2014-5139
      o Fix for CVE-2014-3508

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  Major changes between OpenSSL 1.0.1g and OpenSSL 1.0.1h [5 Jun 2014]

      o Fix for CVE-2014-0224
      o Fix for CVE-2014-0221
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      o Fix for CVE-2014-0198
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      o Fix for CVE-2014-0195
      o Fix for CVE-2014-3470
      o Fix for CVE-2010-5298

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  Major changes between OpenSSL 1.0.1f and OpenSSL 1.0.1g [7 Apr 2014]

      o Fix for CVE-2014-0160
      o Add TLS padding extension workaround for broken servers.
      o Fix for CVE-2014-0076

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  Major changes between OpenSSL 1.0.1e and OpenSSL 1.0.1f [6 Jan 2014]

      o Don't include gmt_unix_time in TLS server and client random values
      o Fix for TLS record tampering bug CVE-2013-4353
      o Fix for TLS version checking bug CVE-2013-6449
      o Fix for DTLS retransmission bug CVE-2013-6450

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  Major changes between OpenSSL 1.0.1d and OpenSSL 1.0.1e [11 Feb 2013]:
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      o Corrected fix for CVE-2013-0169

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  Major changes between OpenSSL 1.0.1c and OpenSSL 1.0.1d [4 Feb 2013]:
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      o Fix renegotiation in TLS 1.1, 1.2 by using the correct TLS version.
      o Include the fips configuration module.
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      o Fix OCSP bad key DoS attack CVE-2013-0166
      o Fix for SSL/TLS/DTLS CBC plaintext recovery attack CVE-2013-0169
      o Fix for TLS AESNI record handling flaw CVE-2012-2686
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  Major changes between OpenSSL 1.0.1b and OpenSSL 1.0.1c [10 May 2012]:
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      o Fix TLS/DTLS record length checking bug CVE-2012-2333
      o Don't attempt to use non-FIPS composite ciphers in FIPS mode.

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  Major changes between OpenSSL 1.0.1a and OpenSSL 1.0.1b [26 Apr 2012]:
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      o Fix compilation error on non-x86 platforms.
      o Make FIPS capable OpenSSL ciphers work in non-FIPS mode.
      o Fix SSL_OP_NO_TLSv1_1 clash with SSL_OP_ALL in OpenSSL 1.0.0

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  Major changes between OpenSSL 1.0.1 and OpenSSL 1.0.1a [19 Apr 2012]:
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      o Fix for ASN1 overflow bug CVE-2012-2110
      o Workarounds for some servers that hang on long client hellos.
      o Fix SEGV in AES code.

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  Major changes between OpenSSL 1.0.0h and OpenSSL 1.0.1 [14 Mar 2012]:
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      o TLS/DTLS heartbeat support.
      o SCTP support.
      o RFC 5705 TLS key material exporter.
      o RFC 5764 DTLS-SRTP negotiation.
      o Next Protocol Negotiation.
      o PSS signatures in certificates, requests and CRLs.
      o Support for password based recipient info for CMS.
      o Support TLS v1.2 and TLS v1.1.
      o Preliminary FIPS capability for unvalidated 2.0 FIPS module.
      o SRP support.

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  Major changes between OpenSSL 1.0.0g and OpenSSL 1.0.0h [12 Mar 2012]:
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      o Fix for CMS/PKCS#7 MMA CVE-2012-0884
      o Corrected fix for CVE-2011-4619
      o Various DTLS fixes.

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  Major changes between OpenSSL 1.0.0f and OpenSSL 1.0.0g [18 Jan 2012]:
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      o Fix for DTLS DoS issue CVE-2012-0050

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  Major changes between OpenSSL 1.0.0e and OpenSSL 1.0.0f [4 Jan 2012]:
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      o Fix for DTLS plaintext recovery attack CVE-2011-4108
      o Clear block padding bytes of SSL 3.0 records CVE-2011-4576
      o Only allow one SGC handshake restart for SSL/TLS CVE-2011-4619
      o Check parameters are not NULL in GOST ENGINE CVE-2012-0027
      o Check for malformed RFC3779 data CVE-2011-4577

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  Major changes between OpenSSL 1.0.0d and OpenSSL 1.0.0e [6 Sep 2011]:
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      o Fix for CRL vulnerability issue CVE-2011-3207
      o Fix for ECDH crashes CVE-2011-3210
      o Protection against EC timing attacks.
      o Support ECDH ciphersuites for certificates using SHA2 algorithms.
      o Various DTLS fixes.

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  Major changes between OpenSSL 1.0.0c and OpenSSL 1.0.0d [8 Feb 2011]:
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      o Fix for security issue CVE-2011-0014

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  Major changes between OpenSSL 1.0.0b and OpenSSL 1.0.0c [2 Dec 2010]:
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      o Fix for security issue CVE-2010-4180
      o Fix for CVE-2010-4252
      o Fix mishandling of absent EC point format extension.
      o Fix various platform compilation issues.
      o Corrected fix for security issue CVE-2010-3864.

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  Major changes between OpenSSL 1.0.0a and OpenSSL 1.0.0b [16 Nov 2010]:
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      o Fix for security issue CVE-2010-3864.
      o Fix for CVE-2010-2939
      o Fix WIN32 build system for GOST ENGINE.

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  Major changes between OpenSSL 1.0.0 and OpenSSL 1.0.0a [1 Jun 2010]:
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      o Fix for security issue CVE-2010-1633.
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      o GOST MAC and CFB fixes.

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  Major changes between OpenSSL 0.9.8n and OpenSSL 1.0.0 [29 Mar 2010]:
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      o RFC3280 path validation: sufficient to process PKITS tests.
      o Integrated support for PVK files and keyblobs.
      o Change default private key format to PKCS#8.
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      o CMS support: able to process all examples in RFC4134
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      o Streaming ASN1 encode support for PKCS#7 and CMS.
      o Multiple signer and signer add support for PKCS#7 and CMS.
      o ASN1 printing support.
      o Whirlpool hash algorithm added.
      o RFC3161 time stamp support.
      o New generalised public key API supporting ENGINE based algorithms.
      o New generalised public key API utilities.
      o New ENGINE supporting GOST algorithms.
      o SSL/TLS GOST ciphersuite support.
      o PKCS#7 and CMS GOST support.
      o RFC4279 PSK ciphersuite support.
      o Supported points format extension for ECC ciphersuites.
      o ecdsa-with-SHA224/256/384/512 signature types.
      o dsa-with-SHA224 and dsa-with-SHA256 signature types.
      o Opaque PRF Input TLS extension support.
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      o Updated time routines to avoid OS limitations.
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  Major changes between OpenSSL 0.9.8m and OpenSSL 0.9.8n [24 Mar 2010]:
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      o CFB cipher definition fixes.
      o Fix security issues CVE-2010-0740 and CVE-2010-0433.

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  Major changes between OpenSSL 0.9.8l and OpenSSL 0.9.8m [25 Feb 2010]:
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      o Cipher definition fixes.
      o Workaround for slow RAND_poll() on some WIN32 versions.
      o Remove MD2 from algorithm tables.
      o SPKAC handling fixes.
      o Support for RFC5746 TLS renegotiation extension.
      o Compression memory leak fixed.
      o Compression session resumption fixed.
      o Ticket and SNI coexistence fixes.
      o Many fixes to DTLS handling. 

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  Major changes between OpenSSL 0.9.8k and OpenSSL 0.9.8l [5 Nov 2009]:
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      o Temporary work around for CVE-2009-3555: disable renegotiation.

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  Major changes between OpenSSL 0.9.8j and OpenSSL 0.9.8k [25 Mar 2009]:
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      o Fix various build issues.
      o Fix security issues (CVE-2009-0590, CVE-2009-0591, CVE-2009-0789)

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  Major changes between OpenSSL 0.9.8i and OpenSSL 0.9.8j [7 Jan 2009]:
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      o Fix security issue (CVE-2008-5077)
      o Merge FIPS 140-2 branch code.

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  Major changes between OpenSSL 0.9.8g and OpenSSL 0.9.8h [28 May 2008]:
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      o CryptoAPI ENGINE support.
      o Various precautionary measures.
      o Fix for bugs affecting certificate request creation.
      o Support for local machine keyset attribute in PKCS#12 files.

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  Major changes between OpenSSL 0.9.8f and OpenSSL 0.9.8g [19 Oct 2007]:
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      o Backport of CMS functionality to 0.9.8.
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      o Fixes for bugs introduced with 0.9.8f.

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  Major changes between OpenSSL 0.9.8e and OpenSSL 0.9.8f [11 Oct 2007]:
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      o Add gcc 4.2 support.
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      o Add support for AES and SSE2 assembly language optimization
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        for VC++ build.
      o Support for RFC4507bis and server name extensions if explicitly 
        selected at compile time.
      o DTLS improvements.
      o RFC4507bis support.
      o TLS Extensions support.

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  Major changes between OpenSSL 0.9.8d and OpenSSL 0.9.8e [23 Feb 2007]:
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      o Various ciphersuite selection fixes.
      o RFC3779 support.

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  Major changes between OpenSSL 0.9.8c and OpenSSL 0.9.8d [28 Sep 2006]:
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      o Introduce limits to prevent malicious key DoS  (CVE-2006-2940)
      o Fix security issues (CVE-2006-2937, CVE-2006-3737, CVE-2006-4343)
      o Changes to ciphersuite selection algorithm

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  Major changes between OpenSSL 0.9.8b and OpenSSL 0.9.8c [5 Sep 2006]:
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      o Fix Daniel Bleichenbacher forged signature attack, CVE-2006-4339
      o New cipher Camellia

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  Major changes between OpenSSL 0.9.8a and OpenSSL 0.9.8b [4 May 2006]:
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      o Cipher string fixes.
      o Fixes for VC++ 2005.
      o Updated ECC cipher suite support.
      o New functions EVP_CIPHER_CTX_new() and EVP_CIPHER_CTX_free().
      o Zlib compression usage fixes.
      o Built in dynamic engine compilation support on Win32.
      o Fixes auto dynamic engine loading in Win32.

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  Major changes between OpenSSL 0.9.8 and OpenSSL 0.9.8a [11 Oct 2005]:
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      o Fix potential SSL 2.0 rollback, CVE-2005-2969
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      o Extended Windows CE support

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  Major changes between OpenSSL 0.9.7g and OpenSSL 0.9.8 [5 Jul 2005]:
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      o Major work on the BIGNUM library for higher efficiency and to
        make operations more streamlined and less contradictory.  This
        is the result of a major audit of the BIGNUM library.
      o Addition of BIGNUM functions for fields GF(2^m) and NIST
        curves, to support the Elliptic Crypto functions.
      o Major work on Elliptic Crypto; ECDH and ECDSA added, including
        the use through EVP, X509 and ENGINE.
      o New ASN.1 mini-compiler that's usable through the OpenSSL
        configuration file.
      o Added support for ASN.1 indefinite length constructed encoding.
      o New PKCS#12 'medium level' API to manipulate PKCS#12 files.
      o Complete rework of shared library construction and linking
        programs with shared or static libraries, through a separate
        Makefile.shared.
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      o Rework of the passing of parameters from one Makefile to another.
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      o Changed ENGINE framework to load dynamic engine modules
        automatically from specifically given directories.
      o New structure and ASN.1 functions for CertificatePair.
      o Changed the ZLIB compression method to be stateful.
      o Changed the key-generation and primality testing "progress"
        mechanism to take a structure that contains the ticker
        function and an argument.
      o New engine module: GMP (performs private key exponentiation).
      o New engine module: VIA PadLOck ACE extension in VIA C3
        Nehemiah processors.
      o Added support for IPv6 addresses in certificate extensions.
        See RFC 1884, section 2.2.
      o Added support for certificate policy mappings, policy
        constraints and name constraints.
      o Added support for multi-valued AVAs in the OpenSSL
        configuration file.
      o Added support for multiple certificates with the same subject
        in the 'openssl ca' index file.
      o Make it possible to create self-signed certificates using
        'openssl ca -selfsign'.
      o Make it possible to generate a serial number file with
        'openssl ca -create_serial'.
      o New binary search functions with extended functionality.
      o New BUF functions.
      o New STORE structure and library to provide an interface to all
        sorts of data repositories.  Supports storage of public and
        private keys, certificates, CRLs, numbers and arbitrary blobs.
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        This library is unfortunately unfinished and unused within
        OpenSSL.
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      o New control functions for the error stack.
      o Changed the PKCS#7 library to support one-pass S/MIME
        processing.
      o Added the possibility to compile without old deprecated
        functionality with the OPENSSL_NO_DEPRECATED macro or the
        'no-deprecated' argument to the config and Configure scripts.
      o Constification of all ASN.1 conversion functions, and other
        affected functions.
      o Improved platform support for PowerPC.
      o New FIPS 180-2 algorithms (SHA-224, -256, -384 and -512).
      o New X509_VERIFY_PARAM structure to support parametrisation
        of X.509 path validation.
      o Major overhaul of RC4 performance on Intel P4, IA-64 and
        AMD64.
      o Changed the Configure script to have some algorithms disabled
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        by default.  Those can be explicitly enabled with the new
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        argument form 'enable-xxx'.
      o Change the default digest in 'openssl' commands from MD5 to
        SHA-1.
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      o Added support for DTLS.
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      o New BIGNUM blinding.
      o Added support for the RSA-PSS encryption scheme
      o Added support for the RSA X.931 padding.
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      o Added support for BSD sockets on NetWare.
      o Added support for files larger than 2GB.
      o Added initial support for Win64.
      o Added alternate pkg-config files.
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  Major changes between OpenSSL 0.9.7l and OpenSSL 0.9.7m [23 Feb 2007]:
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Dr. Stephen Henson 已提交
464 465 466 467

      o FIPS 1.1.1 module linking.
      o Various ciphersuite selection fixes.

D
Dr. Stephen Henson 已提交
468
  Major changes between OpenSSL 0.9.7k and OpenSSL 0.9.7l [28 Sep 2006]:
469 470 471 472

      o Introduce limits to prevent malicious key DoS  (CVE-2006-2940)
      o Fix security issues (CVE-2006-2937, CVE-2006-3737, CVE-2006-4343)

D
Dr. Stephen Henson 已提交
473
  Major changes between OpenSSL 0.9.7j and OpenSSL 0.9.7k [5 Sep 2006]:
474 475 476

      o Fix Daniel Bleichenbacher forged signature attack, CVE-2006-4339

D
Dr. Stephen Henson 已提交
477
  Major changes between OpenSSL 0.9.7i and OpenSSL 0.9.7j [4 May 2006]:
478 479 480 481

      o Visual C++ 2005 fixes.
      o Update Windows build system for FIPS.

D
Dr. Stephen Henson 已提交
482
  Major changes between OpenSSL 0.9.7h and OpenSSL 0.9.7i [14 Oct 2005]:
483 484 485

      o Give EVP_MAX_MD_SIZE it's old value, except for a FIPS build.

D
Dr. Stephen Henson 已提交
486
  Major changes between OpenSSL 0.9.7g and OpenSSL 0.9.7h [11 Oct 2005]:
487 488 489 490 491

      o Fix SSL 2.0 Rollback, CVE-2005-2969
      o Allow use of fixed-length exponent on DSA signing
      o Default fixed-window RSA, DSA, DH private-key operations

D
Dr. Stephen Henson 已提交
492
  Major changes between OpenSSL 0.9.7f and OpenSSL 0.9.7g [11 Apr 2005]:
R
Richard Levitte 已提交
493 494 495 496 497 498 499 500

      o More compilation issues fixed.
      o Adaptation to more modern Kerberos API.
      o Enhanced or corrected configuration for Solaris64, Mingw and Cygwin.
      o Enhanced x86_64 assembler BIGNUM module.
      o More constification.
      o Added processing of proxy certificates (RFC 3820).

D
Dr. Stephen Henson 已提交
501
  Major changes between OpenSSL 0.9.7e and OpenSSL 0.9.7f [22 Mar 2005]:
R
Richard Levitte 已提交
502 503 504 505 506 507 508

      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.

D
Dr. Stephen Henson 已提交
509
  Major changes between OpenSSL 0.9.7d and OpenSSL 0.9.7e [25 Oct 2004]:
D
Dr. Stephen Henson 已提交
510 511 512 513

      o Fix race condition in CRL checking code.
      o Fixes to PKCS#7 (S/MIME) code.

D
Dr. Stephen Henson 已提交
514
  Major changes between OpenSSL 0.9.7c and OpenSSL 0.9.7d [17 Mar 2004]:
D
Dr. Stephen Henson 已提交
515 516 517 518 519 520 521

      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

D
Dr. Stephen Henson 已提交
522
  Major changes between OpenSSL 0.9.7b and OpenSSL 0.9.7c [30 Sep 2003]:
523 524 525 526 527 528

      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.

D
Dr. Stephen Henson 已提交
529
  Major changes between OpenSSL 0.9.7a and OpenSSL 0.9.7b [10 Apr 2003]:
R
Richard Levitte 已提交
530 531 532 533 534 535 536 537 538 539

      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.

D
Dr. Stephen Henson 已提交
540
  Major changes between OpenSSL 0.9.7 and OpenSSL 0.9.7a [19 Feb 2003]:
R
Richard Levitte 已提交
541 542 543 544 545 546 547 548 549 550

      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.

D
Dr. Stephen Henson 已提交
551
  Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.7 [30 Dec 2002]:
552 553

      o New library section OCSP.
L
Lutz Jänicke 已提交
554 555 556 557 558
      o Complete rewrite of ASN1 code.
      o CRL checking in verify code and openssl utility.
      o Extension copying in 'ca' utility.
      o Flexible display options in 'ca' utility.
      o Provisional support for international characters with UTF8.
B
update  
Bodo Möller 已提交
559 560
      o Support for external crypto devices ('engine') is no longer
        a separate distribution.
L
Lutz Jänicke 已提交
561 562
      o New elliptic curve library section.
      o New AES (Rijndael) library section.
R
Richard Levitte 已提交
563
      o Support for new platforms: Windows CE, Tandem OSS, A/UX, AIX 64-bit,
564
        Linux x86_64, Linux 64-bit on Sparc v9
565 566
      o Extended support for some platforms: VxWorks
      o Enhanced support for shared libraries.
567
      o Now only builds PIC code when shared library support is requested.
568 569
      o Support for pkg-config.
      o Lots of new manuals.
570 571
      o Makes symbolic links to or copies of manuals to cover all described
        functions.
L
Lutz Jänicke 已提交
572 573 574 575
      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
        future).
B
typo  
Bodo Möller 已提交
576 577
      o Unify handling of cryptographic algorithms (software and engine)
        to be available via EVP routines for asymmetric and symmetric ciphers.
L
Lutz Jänicke 已提交
578 579 580 581 582 583 584
      o NCONF: new configuration handling routines.
      o Change API to use more 'const' modifiers to improve error checking
        and help optimizers.
      o Finally remove references to RSAref.
      o Reworked parts of the BIGNUM code.
      o Support for new engines: Broadcom ubsec, Accelerated Encryption
        Processing, IBM 4758.
585
      o A few new engines added in the demos area.
586
      o Extended and corrected OID (object identifier) table.
L
Lutz Jänicke 已提交
587 588 589 590 591
      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).
R
Richard Levitte 已提交
592
	Only supports MIT Kerberos for now.
L
Lutz Jänicke 已提交
593 594
      o SSL/TLS: allow more precise control of renegotiations and sessions.
      o SSL/TLS: add callback to retrieve SSL/TLS messages.
595
      o SSL/TLS: support AES cipher suites (RFC3268).
L
Lutz Jänicke 已提交
596

D
Dr. Stephen Henson 已提交
597
  Major changes between OpenSSL 0.9.6j and OpenSSL 0.9.6k [30 Sep 2003]:
598 599 600 601

      o Security: fix various ASN1 parsing bugs.
      o SSL/TLS protocol fix for unrequested client certificates.

D
Dr. Stephen Henson 已提交
602
  Major changes between OpenSSL 0.9.6i and OpenSSL 0.9.6j [10 Apr 2003]:
R
Richard Levitte 已提交
603 604 605 606 607 608

      o Security: counter the Klima-Pokorny-Rosa extension of
        Bleichbacher's attack 
      o Security: make RSA blinding default.
      o Build: shared library support fixes.

D
Dr. Stephen Henson 已提交
609
  Major changes between OpenSSL 0.9.6h and OpenSSL 0.9.6i [19 Feb 2003]:
R
Richard Levitte 已提交
610 611 612

      o Important security related bugfixes.

D
Dr. Stephen Henson 已提交
613
  Major changes between OpenSSL 0.9.6g and OpenSSL 0.9.6h [5 Dec 2002]:
614 615 616 617 618 619 620 621 622 623 624 625 626

      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.

D
Dr. Stephen Henson 已提交
627
  Major changes between OpenSSL 0.9.6f and OpenSSL 0.9.6g [9 Aug 2002]:
628 629 630

      o Important building fixes on Unix.

D
Dr. Stephen Henson 已提交
631
  Major changes between OpenSSL 0.9.6e and OpenSSL 0.9.6f [8 Aug 2002]:
R
Richard Levitte 已提交
632 633 634

      o Various important bugfixes.

D
Dr. Stephen Henson 已提交
635
  Major changes between OpenSSL 0.9.6d and OpenSSL 0.9.6e [30 Jul 2002]:
L
Lutz Jänicke 已提交
636 637 638 639

      o Important security related bugfixes.
      o Various SSL/TLS library bugfixes.

D
Dr. Stephen Henson 已提交
640
  Major changes between OpenSSL 0.9.6c and OpenSSL 0.9.6d [9 May 2002]:
L
Lutz Jänicke 已提交
641 642 643

      o Various SSL/TLS library bugfixes.
      o Fix DH parameter generation for 'non-standard' generators.
B
update  
Bodo Möller 已提交
644

D
Dr. Stephen Henson 已提交
645
  Major changes between OpenSSL 0.9.6b and OpenSSL 0.9.6c [21 Dec 2001]:
646 647 648

      o Various SSL/TLS library bugfixes.
      o BIGNUM library fixes.
649 650 651 652 653
      o RSA OAEP and random number generation fixes.
      o Object identifiers corrected and added.
      o Add assembler BN routines for IA64.
      o Add support for OS/390 Unix, UnixWare with gcc, OpenUNIX 8,
        MIPS Linux; shared library support for Irix, HP-UX.
M
Mark J. Cox 已提交
654
      o Add crypto accelerator support for AEP, Baltimore SureWare,
655 656
        Broadcom and Cryptographic Appliance's keyserver
        [in 0.9.6c-engine release].
657

D
Dr. Stephen Henson 已提交
658
  Major changes between OpenSSL 0.9.6a and OpenSSL 0.9.6b [9 Jul 2001]:
B
update  
Bodo Möller 已提交
659 660 661 662 663 664 665 666 667 668 669 670 671 672 673

      o Security fix: PRNG improvements.
      o Security fix: RSA OAEP check.
      o Security fix: Reinsert and fix countermeasure to Bleichbacher's
        attack.
      o MIPS bug fix in BIGNUM.
      o Bug fix in "openssl enc".
      o Bug fix in X.509 printing routine.
      o Bug fix in DSA verification routine and DSA S/MIME verification.
      o Bug fix to make PRNG thread-safe.
      o Bug fix in RAND_file_name().
      o Bug fix in compatibility mode trust settings.
      o Bug fix in blowfish EVP.
      o Increase default size for BIO buffering filter.
      o Compatibility fixes in some scripts.
674

D
Dr. Stephen Henson 已提交
675
  Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.6a [5 Apr 2001]:
676 677 678 679 680 681 682 683 684

      o Security fix: change behavior of OpenSSL to avoid using
        environment variables when running as root.
      o Security fix: check the result of RSA-CRT to reduce the
        possibility of deducing the private key from an incorrectly
        calculated signature.
      o Security fix: prevent Bleichenbacher's DSA attack.
      o Security fix: Zero the premaster secret after deriving the
        master secret in DH ciphersuites.
B
Bodo Möller 已提交
685
      o Reimplement SSL_peek(), which had various problems.
686 687
      o Compatibility fix: the function des_encrypt() renamed to
        des_encrypt1() to avoid clashes with some Unixen libc.
688 689 690
      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.
L
Lutz Jänicke 已提交
691
      o Bug fixes for RSA operations in threaded environments.
692 693 694 695 696
      o Bug fixes in misc. openssl applications.
      o Remove a few potential memory leaks.
      o Add tighter checks of BIGNUM routines.
      o Shared library support has been reworked for generality.
      o More documentation.
B
Bodo Möller 已提交
697
      o New function BN_rand_range().
698 699
      o Add "-rand" option to openssl s_client and s_server.

D
Dr. Stephen Henson 已提交
700
  Major changes between OpenSSL 0.9.5a and OpenSSL 0.9.6 [10 Oct 2000]:
D
 
Dr. Stephen Henson 已提交
701 702 703 704 705 706

      o Some documentation for BIO and SSL libraries.
      o Enhanced chain verification using key identifiers.
      o New sign and verify options to 'dgst' application.
      o Support for DER and PEM encoded messages in 'smime' application.
      o New 'rsautl' application, low level RSA utility.
B
Bodo Möller 已提交
707 708
      o MD4 now included.
      o Bugfix for SSL rollback padding check.
B
update  
Bodo Möller 已提交
709
      o Support for external crypto devices [1].
U
Ulf Möller 已提交
710
      o Enhanced EVP interface.
711

B
update  
Bodo Möller 已提交
712 713 714
    [1] The support for external crypto devices is currently a separate
        distribution.  See the file README.ENGINE.

D
Dr. Stephen Henson 已提交
715
  Major changes between OpenSSL 0.9.5 and OpenSSL 0.9.5a [1 Apr 2000]:
716

U
Ulf Möller 已提交
717
      o Bug fixes for Win32, SuSE Linux, NeXTSTEP and FreeBSD 2.2.8 
718 719
      o Shared library support for HPUX and Solaris-gcc
      o Support of Linux/IA64
U
Ulf Möller 已提交
720
      o Assembler support for Mingw32
721 722 723
      o New 'rand' application
      o New way to check for existence of algorithms from scripts

D
Dr. Stephen Henson 已提交
724
  Major changes between OpenSSL 0.9.4 and OpenSSL 0.9.5 [25 May 2000]:
U
Ulf Möller 已提交
725

D
 
Dr. Stephen Henson 已提交
726
      o S/MIME support in new 'smime' command
U
Ulf Möller 已提交
727
      o Documentation for the OpenSSL command line application
D
 
Dr. Stephen Henson 已提交
728 729 730 731
      o Automation of 'req' application
      o Fixes to make s_client, s_server work under Windows
      o Support for multiple fieldnames in SPKACs
      o New SPKAC command line utilty and associated library functions
732
      o Options to allow passwords to be obtained from various sources
D
 
Dr. Stephen Henson 已提交
733 734 735 736 737 738 739 740
      o New public key PEM format and options to handle it
      o Many other fixes and enhancements to command line utilities
      o Usable certificate chain verification
      o Certificate purpose checking
      o Certificate trust settings
      o Support of authority information access extension
      o Extensions in certificate requests
      o Simplified X509 name and attribute routines
741
      o Initial (incomplete) support for international character sets
D
 
Dr. Stephen Henson 已提交
742 743
      o New DH_METHOD, DSA_METHOD and enhanced RSA_METHOD
      o Read only memory BIOs and simplified creation function
B
Bodo Möller 已提交
744 745 746
      o TLS/SSL protocol bugfixes: Accept TLS 'client hello' in SSL 3.0
        record; allow fragmentation and interleaving of handshake and other
        data
D
 
Dr. Stephen Henson 已提交
747
      o TLS/SSL code now "tolerates" MS SGC
B
Bodo Möller 已提交
748
      o Work around for Netscape client certificate hang bug
D
 
Dr. Stephen Henson 已提交
749 750
      o RSA_NULL option that removes RSA patent code but keeps other
        RSA functionality
B
Bodo Möller 已提交
751 752 753
      o Memory leak detection now allows applications to add extra information
        via a per-thread stack
      o PRNG robustness improved
U
Ulf Möller 已提交
754
      o EGD support
U
Ulf Möller 已提交
755
      o BIGNUM library bug fixes
U
Ulf Möller 已提交
756
      o Faster DSA parameter generation
757 758
      o Enhanced support for Alpha Linux
      o Experimental MacOS support
U
Ulf Möller 已提交
759

D
Dr. Stephen Henson 已提交
760
  Major changes between OpenSSL 0.9.3 and OpenSSL 0.9.4 [9 Aug 1999]:
761 762

      o Transparent support for PKCS#8 format private keys: these are used
B
Bodo Möller 已提交
763 764 765 766 767 768 769
        by several software packages and are more secure than the standard
        form
      o PKCS#5 v2.0 implementation
      o Password callbacks have a new void * argument for application data
      o Avoid various memory leaks
      o New pipe-like BIO that allows using the SSL library when actual I/O
        must be handled by the application (BIO pair)
770

D
Dr. Stephen Henson 已提交
771
  Major changes between OpenSSL 0.9.2b and OpenSSL 0.9.3 [24 May 1999]:
772 773
      o Lots of enhancements and cleanups to the Configuration mechanism
      o RSA OEAP related fixes
774 775 776
      o Added `openssl ca -revoke' option for revoking a certificate
      o Source cleanups: const correctness, type-safe stacks and ASN.1 SETs
      o Source tree cleanups: removed lots of obsolete files
777
      o Thawte SXNet, certificate policies and CRL distribution points
B
Bodo Möller 已提交
778
        extension support
779 780 781
      o Preliminary (experimental) S/MIME support
      o Support for ASN.1 UTF8String and VisibleString
      o Full integration of PKCS#12 code
U
Ulf Möller 已提交
782
      o Sparc assembler bignum implementation, optimized hash functions
U
Ulf Möller 已提交
783
      o Option to disable selected ciphers
784

D
Dr. Stephen Henson 已提交
785
  Major changes between OpenSSL 0.9.1c and OpenSSL 0.9.2b [22 Mar 1999]:
786 787 788
      o Fixed a security hole related to session resumption
      o Fixed RSA encryption routines for the p < q case
      o "ALL" in cipher lists now means "everything except NULL ciphers"
789 790 791 792 793
      o Support for Triple-DES CBCM cipher
      o Support of Optimal Asymmetric Encryption Padding (OAEP) for RSA
      o First support for new TLSv1 ciphers
      o Added a few new BIOs (syslog BIO, reliable BIO)
      o Extended support for DSA certificate/keys.
R
Ralf S. Engelschall 已提交
794
      o Extended support for Certificate Signing Requests (CSR)
795 796 797 798 799 800 801 802 803 804 805 806
      o Initial support for X.509v3 extensions
      o Extended support for compression inside the SSL record layer
      o Overhauled Win32 builds
      o Cleanups and fixes to the Big Number (BN) library
      o Support for ASN.1 GeneralizedTime
      o Splitted ASN.1 SETs from SEQUENCEs
      o ASN1 and PEM support for Netscape Certificate Sequences
      o Overhauled Perl interface
      o Lots of source tree cleanups.
      o Lots of memory leak fixes.
      o Lots of bug fixes.

D
Dr. Stephen Henson 已提交
807
  Major changes between SSLeay 0.9.0b and OpenSSL 0.9.1c [23 Dec 1998]:
808 809 810 811 812 813 814 815 816 817
      o Integration of the popular NO_RSA/NO_DSA patches
      o Initial support for compression inside the SSL record layer
      o Added BIO proxy and filtering functionality
      o Extended Big Number (BN) library
      o Added RIPE MD160 message digest
      o Addeed support for RC2/64bit cipher
      o Extended ASN.1 parser routines
      o Adjustations of the source tree for CVS
      o Support for various new platforms