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Member "openssl-1.1.1b/NEWS" (26 Feb 2019, 41107 Bytes) of package /linux/misc/openssl-1.1.1b.tar.gz:


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    1 
    2   NEWS
    3   ====
    4 
    5   This file gives a brief overview of the major changes between each OpenSSL
    6   release. For more details please read the CHANGES file.
    7 
    8   Major changes between OpenSSL 1.1.1a and OpenSSL 1.1.1b [26 Feb 2019]
    9 
   10       o Change the info callback signals for the start and end of a post-handshake
   11         message exchange in TLSv1.3.
   12       o Fix a bug in DTLS over SCTP. This breaks interoperability with older versions
   13         of OpenSSL like OpenSSL 1.1.0 and OpenSSL 1.0.2.
   14 
   15   Major changes between OpenSSL 1.1.1 and OpenSSL 1.1.1a [20 Nov 2018]
   16 
   17       o Timing vulnerability in DSA signature generation (CVE-2018-0734)
   18       o Timing vulnerability in ECDSA signature generation (CVE-2018-0735)
   19 
   20   Major changes between OpenSSL 1.1.0i and OpenSSL 1.1.1 [11 Sep 2018]
   21 
   22       o Support for TLSv1.3 added (see https://wiki.openssl.org/index.php/TLS1.3
   23         for further important information). The TLSv1.3 implementation includes:
   24           o Fully compliant implementation of RFC8446 (TLSv1.3) on by default
   25           o Early data (0-RTT)
   26           o Post-handshake authentication and key update
   27           o Middlebox Compatibility Mode
   28           o TLSv1.3 PSKs
   29           o Support for all five RFC8446 ciphersuites
   30           o RSA-PSS signature algorithms (backported to TLSv1.2)
   31           o Configurable session ticket support
   32           o Stateless server support
   33           o Rewrite of the packet construction code for "safer" packet handling
   34           o Rewrite of the extension handling code
   35       o Complete rewrite of the OpenSSL random number generator to introduce the
   36         following capabilities
   37           o The default RAND method now utilizes an AES-CTR DRBG according to
   38             NIST standard SP 800-90Ar1.
   39           o Support for multiple DRBG instances with seed chaining.
   40           o There is a public and private DRBG instance.
   41           o The DRBG instances are fork-safe.
   42           o Keep all global DRBG instances on the secure heap if it is enabled.
   43           o The public and private DRBG instance are per thread for lock free
   44             operation
   45       o Support for various new cryptographic algorithms including:
   46           o SHA3
   47           o SHA512/224 and SHA512/256
   48           o EdDSA (both Ed25519 and Ed448) including X509 and TLS support
   49           o X448 (adding to the existing X25519 support in 1.1.0)
   50           o Multi-prime RSA
   51           o SM2
   52           o SM3
   53           o SM4
   54           o SipHash
   55           o ARIA (including TLS support)
   56       o Significant Side-Channel attack security improvements
   57       o Add a new ClientHello callback to provide the ability to adjust the SSL
   58         object at an early stage.
   59       o Add 'Maximum Fragment Length' TLS extension negotiation and support
   60       o A new STORE module, which implements a uniform and URI based reader of
   61         stores that can contain keys, certificates, CRLs and numerous other
   62         objects.
   63       o Move the display of configuration data to configdata.pm.
   64       o Allow GNU style "make variables" to be used with Configure.
   65       o Claim the namespaces OSSL and OPENSSL, represented as symbol prefixes
   66       o Rewrite of devcrypto engine
   67 
   68   Major changes between OpenSSL 1.1.0h and OpenSSL 1.1.0i [under development]
   69 
   70       o Client DoS due to large DH parameter (CVE-2018-0732)
   71       o Cache timing vulnerability in RSA Key Generation (CVE-2018-0737)
   72 
   73   Major changes between OpenSSL 1.1.0g and OpenSSL 1.1.0h [under development]
   74 
   75       o Constructed ASN.1 types with a recursive definition could exceed the
   76         stack (CVE-2018-0739)
   77       o Incorrect CRYPTO_memcmp on HP-UX PA-RISC (CVE-2018-0733)
   78       o rsaz_1024_mul_avx2 overflow bug on x86_64 (CVE-2017-3738)
   79 
   80   Major changes between OpenSSL 1.1.0f and OpenSSL 1.1.0g [2 Nov 2017]
   81 
   82       o bn_sqrx8x_internal carry bug on x86_64 (CVE-2017-3736)
   83       o Malformed X.509 IPAddressFamily could cause OOB read (CVE-2017-3735)
   84 
   85   Major changes between OpenSSL 1.1.0e and OpenSSL 1.1.0f [25 May 2017]
   86 
   87       o config now recognises 64-bit mingw and chooses mingw64 instead of mingw
   88 
   89   Major changes between OpenSSL 1.1.0d and OpenSSL 1.1.0e [16 Feb 2017]
   90 
   91       o Encrypt-Then-Mac renegotiation crash (CVE-2017-3733)
   92 
   93   Major changes between OpenSSL 1.1.0c and OpenSSL 1.1.0d [26 Jan 2017]
   94 
   95       o Truncated packet could crash via OOB read (CVE-2017-3731)
   96       o Bad (EC)DHE parameters cause a client crash (CVE-2017-3730)
   97       o BN_mod_exp may produce incorrect results on x86_64 (CVE-2017-3732)
   98 
   99   Major changes between OpenSSL 1.1.0b and OpenSSL 1.1.0c [10 Nov 2016]
  100 
  101       o ChaCha20/Poly1305 heap-buffer-overflow (CVE-2016-7054)
  102       o CMS Null dereference (CVE-2016-7053)
  103       o Montgomery multiplication may produce incorrect results (CVE-2016-7055)
  104 
  105   Major changes between OpenSSL 1.1.0a and OpenSSL 1.1.0b [26 Sep 2016]
  106 
  107       o Fix Use After Free for large message sizes (CVE-2016-6309)
  108 
  109   Major changes between OpenSSL 1.1.0 and OpenSSL 1.1.0a [22 Sep 2016]
  110 
  111       o OCSP Status Request extension unbounded memory growth (CVE-2016-6304)
  112       o SSL_peek() hang on empty record (CVE-2016-6305)
  113       o Excessive allocation of memory in tls_get_message_header()
  114        (CVE-2016-6307)
  115       o Excessive allocation of memory in dtls1_preprocess_fragment()
  116        (CVE-2016-6308)
  117 
  118   Major changes between OpenSSL 1.0.2h and OpenSSL 1.1.0 [25 Aug 2016]
  119 
  120       o Copyright text was shrunk to a boilerplate that points to the license
  121       o "shared" builds are now the default when possible
  122       o Added support for "pipelining"
  123       o Added the AFALG engine
  124       o New threading API implemented
  125       o Support for ChaCha20 and Poly1305 added to libcrypto and libssl
  126       o Support for extended master secret
  127       o CCM ciphersuites
  128       o Reworked test suite, now based on perl, Test::Harness and Test::More
  129       o *Most* libcrypto and libssl public structures were made opaque,
  130         including:
  131         BIGNUM and associated types, EC_KEY and EC_KEY_METHOD,
  132         DH and DH_METHOD, DSA and DSA_METHOD, RSA and RSA_METHOD,
  133         BIO and BIO_METHOD, EVP_MD_CTX, EVP_MD, EVP_CIPHER_CTX,
  134         EVP_CIPHER, EVP_PKEY and associated types, HMAC_CTX,
  135         X509, X509_CRL, X509_OBJECT, X509_STORE_CTX, X509_STORE,
  136         X509_LOOKUP, X509_LOOKUP_METHOD
  137       o libssl internal structures made opaque
  138       o SSLv2 support removed
  139       o Kerberos ciphersuite support removed
  140       o RC4 removed from DEFAULT ciphersuites in libssl
  141       o 40 and 56 bit cipher support removed from libssl
  142       o All public header files moved to include/openssl, no more symlinking
  143       o SSL/TLS state machine, version negotiation and record layer rewritten
  144       o EC revision: now operations use new EC_KEY_METHOD.
  145       o Support for OCB mode added to libcrypto
  146       o Support for asynchronous crypto operations added to libcrypto and libssl
  147       o Deprecated interfaces can now be disabled at build time either
  148         relative to the latest release via the "no-deprecated" Configure
  149         argument, or via the "--api=1.1.0|1.0.0|0.9.8" option.
  150       o Application software can be compiled with -DOPENSSL_API_COMPAT=version
  151         to ensure that features deprecated in that version are not exposed.
  152       o Support for RFC6698/RFC7671 DANE TLSA peer authentication
  153       o Change of Configure to use --prefix as the main installation
  154         directory location rather than --openssldir.  The latter becomes
  155         the directory for certs, private key and openssl.cnf exclusively.
  156       o Reworked BIO networking library, with full support for IPv6.
  157       o New "unified" build system
  158       o New security levels
  159       o Support for scrypt algorithm
  160       o Support for X25519
  161       o Extended SSL_CONF support using configuration files
  162       o KDF algorithm support. Implement TLS PRF as a KDF.
  163       o Support for Certificate Transparency
  164       o HKDF support.
  165 
  166   Major changes between OpenSSL 1.0.2g and OpenSSL 1.0.2h [3 May 2016]
  167 
  168       o Prevent padding oracle in AES-NI CBC MAC check (CVE-2016-2107)
  169       o Fix EVP_EncodeUpdate overflow (CVE-2016-2105)
  170       o Fix EVP_EncryptUpdate overflow (CVE-2016-2106)
  171       o Prevent ASN.1 BIO excessive memory allocation (CVE-2016-2109)
  172       o EBCDIC overread (CVE-2016-2176)
  173       o Modify behavior of ALPN to invoke callback after SNI/servername
  174         callback, such that updates to the SSL_CTX affect ALPN.
  175       o Remove LOW from the DEFAULT cipher list.  This removes singles DES from
  176         the default.
  177       o Only remove the SSLv2 methods with the no-ssl2-method option.
  178 
  179   Major changes between OpenSSL 1.0.2f and OpenSSL 1.0.2g [1 Mar 2016]
  180 
  181       o Disable weak ciphers in SSLv3 and up in default builds of OpenSSL.
  182       o Disable SSLv2 default build, default negotiation and weak ciphers
  183         (CVE-2016-0800)
  184       o Fix a double-free in DSA code (CVE-2016-0705)
  185       o Disable SRP fake user seed to address a server memory leak
  186         (CVE-2016-0798)
  187       o Fix BN_hex2bn/BN_dec2bn NULL pointer deref/heap corruption
  188         (CVE-2016-0797)
  189       o Fix memory issues in BIO_*printf functions (CVE-2016-0799)
  190       o Fix side channel attack on modular exponentiation (CVE-2016-0702)
  191 
  192   Major changes between OpenSSL 1.0.2e and OpenSSL 1.0.2f [28 Jan 2016]
  193 
  194       o DH small subgroups (CVE-2016-0701)
  195       o SSLv2 doesn't block disabled ciphers (CVE-2015-3197)
  196 
  197   Major changes between OpenSSL 1.0.2d and OpenSSL 1.0.2e [3 Dec 2015]
  198 
  199       o BN_mod_exp may produce incorrect results on x86_64 (CVE-2015-3193)
  200       o Certificate verify crash with missing PSS parameter (CVE-2015-3194)
  201       o X509_ATTRIBUTE memory leak (CVE-2015-3195)
  202       o Rewrite EVP_DecodeUpdate (base64 decoding) to fix several bugs
  203       o In DSA_generate_parameters_ex, if the provided seed is too short,
  204         return an error
  205 
  206   Major changes between OpenSSL 1.0.2c and OpenSSL 1.0.2d [9 Jul 2015]
  207 
  208       o Alternate chains certificate forgery (CVE-2015-1793)
  209       o Race condition handling PSK identify hint (CVE-2015-3196)
  210 
  211   Major changes between OpenSSL 1.0.2b and OpenSSL 1.0.2c [12 Jun 2015]
  212 
  213       o Fix HMAC ABI incompatibility
  214 
  215   Major changes between OpenSSL 1.0.2a and OpenSSL 1.0.2b [11 Jun 2015]
  216 
  217       o Malformed ECParameters causes infinite loop (CVE-2015-1788)
  218       o Exploitable out-of-bounds read in X509_cmp_time (CVE-2015-1789)
  219       o PKCS7 crash with missing EnvelopedContent (CVE-2015-1790)
  220       o CMS verify infinite loop with unknown hash function (CVE-2015-1792)
  221       o Race condition handling NewSessionTicket (CVE-2015-1791)
  222 
  223   Major changes between OpenSSL 1.0.2 and OpenSSL 1.0.2a [19 Mar 2015]
  224 
  225       o OpenSSL 1.0.2 ClientHello sigalgs DoS fix (CVE-2015-0291)
  226       o Multiblock corrupted pointer fix (CVE-2015-0290)
  227       o Segmentation fault in DTLSv1_listen fix (CVE-2015-0207)
  228       o Segmentation fault in ASN1_TYPE_cmp fix (CVE-2015-0286)
  229       o Segmentation fault for invalid PSS parameters fix (CVE-2015-0208)
  230       o ASN.1 structure reuse memory corruption fix (CVE-2015-0287)
  231       o PKCS7 NULL pointer dereferences fix (CVE-2015-0289)
  232       o DoS via reachable assert in SSLv2 servers fix (CVE-2015-0293)
  233       o Empty CKE with client auth and DHE fix (CVE-2015-1787)
  234       o Handshake with unseeded PRNG fix (CVE-2015-0285)
  235       o Use After Free following d2i_ECPrivatekey error fix (CVE-2015-0209)
  236       o X509_to_X509_REQ NULL pointer deref fix (CVE-2015-0288)
  237       o Removed the export ciphers from the DEFAULT ciphers
  238 
  239   Major changes between OpenSSL 1.0.1l and OpenSSL 1.0.2 [22 Jan 2015]:
  240 
  241       o Suite B support for TLS 1.2 and DTLS 1.2
  242       o Support for DTLS 1.2
  243       o TLS automatic EC curve selection.
  244       o API to set TLS supported signature algorithms and curves
  245       o SSL_CONF configuration API.
  246       o TLS Brainpool support.
  247       o ALPN support.
  248       o CMS support for RSA-PSS, RSA-OAEP, ECDH and X9.42 DH.
  249 
  250   Major changes between OpenSSL 1.0.1k and OpenSSL 1.0.1l [15 Jan 2015]
  251 
  252       o Build fixes for the Windows and OpenVMS platforms
  253 
  254   Major changes between OpenSSL 1.0.1j and OpenSSL 1.0.1k [8 Jan 2015]
  255 
  256       o Fix for CVE-2014-3571
  257       o Fix for CVE-2015-0206
  258       o Fix for CVE-2014-3569
  259       o Fix for CVE-2014-3572
  260       o Fix for CVE-2015-0204
  261       o Fix for CVE-2015-0205
  262       o Fix for CVE-2014-8275
  263       o Fix for CVE-2014-3570
  264 
  265   Major changes between OpenSSL 1.0.1i and OpenSSL 1.0.1j [15 Oct 2014]
  266 
  267       o Fix for CVE-2014-3513
  268       o Fix for CVE-2014-3567
  269       o Mitigation for CVE-2014-3566 (SSL protocol vulnerability)
  270       o Fix for CVE-2014-3568
  271 
  272   Major changes between OpenSSL 1.0.1h and OpenSSL 1.0.1i [6 Aug 2014]
  273 
  274       o Fix for CVE-2014-3512
  275       o Fix for CVE-2014-3511
  276       o Fix for CVE-2014-3510
  277       o Fix for CVE-2014-3507
  278       o Fix for CVE-2014-3506
  279       o Fix for CVE-2014-3505
  280       o Fix for CVE-2014-3509
  281       o Fix for CVE-2014-5139
  282       o Fix for CVE-2014-3508
  283 
  284   Major changes between OpenSSL 1.0.1g and OpenSSL 1.0.1h [5 Jun 2014]
  285 
  286       o Fix for CVE-2014-0224
  287       o Fix for CVE-2014-0221
  288       o Fix for CVE-2014-0198
  289       o Fix for CVE-2014-0195
  290       o Fix for CVE-2014-3470
  291       o Fix for CVE-2010-5298
  292 
  293   Major changes between OpenSSL 1.0.1f and OpenSSL 1.0.1g [7 Apr 2014]
  294 
  295       o Fix for CVE-2014-0160
  296       o Add TLS padding extension workaround for broken servers.
  297       o Fix for CVE-2014-0076
  298 
  299   Major changes between OpenSSL 1.0.1e and OpenSSL 1.0.1f [6 Jan 2014]
  300 
  301       o Don't include gmt_unix_time in TLS server and client random values
  302       o Fix for TLS record tampering bug CVE-2013-4353
  303       o Fix for TLS version checking bug CVE-2013-6449
  304       o Fix for DTLS retransmission bug CVE-2013-6450
  305 
  306   Major changes between OpenSSL 1.0.1d and OpenSSL 1.0.1e [11 Feb 2013]:
  307 
  308       o Corrected fix for CVE-2013-0169
  309 
  310   Major changes between OpenSSL 1.0.1c and OpenSSL 1.0.1d [4 Feb 2013]:
  311 
  312       o Fix renegotiation in TLS 1.1, 1.2 by using the correct TLS version.
  313       o Include the fips configuration module.
  314       o Fix OCSP bad key DoS attack CVE-2013-0166
  315       o Fix for SSL/TLS/DTLS CBC plaintext recovery attack CVE-2013-0169
  316       o Fix for TLS AESNI record handling flaw CVE-2012-2686
  317 
  318   Major changes between OpenSSL 1.0.1b and OpenSSL 1.0.1c [10 May 2012]:
  319 
  320       o Fix TLS/DTLS record length checking bug CVE-2012-2333
  321       o Don't attempt to use non-FIPS composite ciphers in FIPS mode.
  322 
  323   Major changes between OpenSSL 1.0.1a and OpenSSL 1.0.1b [26 Apr 2012]:
  324 
  325       o Fix compilation error on non-x86 platforms.
  326       o Make FIPS capable OpenSSL ciphers work in non-FIPS mode.
  327       o Fix SSL_OP_NO_TLSv1_1 clash with SSL_OP_ALL in OpenSSL 1.0.0
  328 
  329   Major changes between OpenSSL 1.0.1 and OpenSSL 1.0.1a [19 Apr 2012]:
  330 
  331       o Fix for ASN1 overflow bug CVE-2012-2110
  332       o Workarounds for some servers that hang on long client hellos.
  333       o Fix SEGV in AES code.
  334 
  335   Major changes between OpenSSL 1.0.0h and OpenSSL 1.0.1 [14 Mar 2012]:
  336 
  337       o TLS/DTLS heartbeat support.
  338       o SCTP support.
  339       o RFC 5705 TLS key material exporter.
  340       o RFC 5764 DTLS-SRTP negotiation.
  341       o Next Protocol Negotiation.
  342       o PSS signatures in certificates, requests and CRLs.
  343       o Support for password based recipient info for CMS.
  344       o Support TLS v1.2 and TLS v1.1.
  345       o Preliminary FIPS capability for unvalidated 2.0 FIPS module.
  346       o SRP support.
  347 
  348   Major changes between OpenSSL 1.0.0g and OpenSSL 1.0.0h [12 Mar 2012]:
  349 
  350       o Fix for CMS/PKCS#7 MMA CVE-2012-0884
  351       o Corrected fix for CVE-2011-4619
  352       o Various DTLS fixes.
  353 
  354   Major changes between OpenSSL 1.0.0f and OpenSSL 1.0.0g [18 Jan 2012]:
  355 
  356       o Fix for DTLS DoS issue CVE-2012-0050
  357 
  358   Major changes between OpenSSL 1.0.0e and OpenSSL 1.0.0f [4 Jan 2012]:
  359 
  360       o Fix for DTLS plaintext recovery attack CVE-2011-4108
  361       o Clear block padding bytes of SSL 3.0 records CVE-2011-4576
  362       o Only allow one SGC handshake restart for SSL/TLS CVE-2011-4619
  363       o Check parameters are not NULL in GOST ENGINE CVE-2012-0027
  364       o Check for malformed RFC3779 data CVE-2011-4577
  365 
  366   Major changes between OpenSSL 1.0.0d and OpenSSL 1.0.0e [6 Sep 2011]:
  367 
  368       o Fix for CRL vulnerability issue CVE-2011-3207
  369       o Fix for ECDH crashes CVE-2011-3210
  370       o Protection against EC timing attacks.
  371       o Support ECDH ciphersuites for certificates using SHA2 algorithms.
  372       o Various DTLS fixes.
  373 
  374   Major changes between OpenSSL 1.0.0c and OpenSSL 1.0.0d [8 Feb 2011]:
  375 
  376       o Fix for security issue CVE-2011-0014
  377 
  378   Major changes between OpenSSL 1.0.0b and OpenSSL 1.0.0c [2 Dec 2010]:
  379 
  380       o Fix for security issue CVE-2010-4180
  381       o Fix for CVE-2010-4252
  382       o Fix mishandling of absent EC point format extension.
  383       o Fix various platform compilation issues.
  384       o Corrected fix for security issue CVE-2010-3864.
  385 
  386   Major changes between OpenSSL 1.0.0a and OpenSSL 1.0.0b [16 Nov 2010]:
  387 
  388       o Fix for security issue CVE-2010-3864.
  389       o Fix for CVE-2010-2939
  390       o Fix WIN32 build system for GOST ENGINE.
  391 
  392   Major changes between OpenSSL 1.0.0 and OpenSSL 1.0.0a [1 Jun 2010]:
  393 
  394       o Fix for security issue CVE-2010-1633.
  395       o GOST MAC and CFB fixes.
  396 
  397   Major changes between OpenSSL 0.9.8n and OpenSSL 1.0.0 [29 Mar 2010]:
  398 
  399       o RFC3280 path validation: sufficient to process PKITS tests.
  400       o Integrated support for PVK files and keyblobs.
  401       o Change default private key format to PKCS#8.
  402       o CMS support: able to process all examples in RFC4134
  403       o Streaming ASN1 encode support for PKCS#7 and CMS.
  404       o Multiple signer and signer add support for PKCS#7 and CMS.
  405       o ASN1 printing support.
  406       o Whirlpool hash algorithm added.
  407       o RFC3161 time stamp support.
  408       o New generalised public key API supporting ENGINE based algorithms.
  409       o New generalised public key API utilities.
  410       o New ENGINE supporting GOST algorithms.
  411       o SSL/TLS GOST ciphersuite support.
  412       o PKCS#7 and CMS GOST support.
  413       o RFC4279 PSK ciphersuite support.
  414       o Supported points format extension for ECC ciphersuites.
  415       o ecdsa-with-SHA224/256/384/512 signature types.
  416       o dsa-with-SHA224 and dsa-with-SHA256 signature types.
  417       o Opaque PRF Input TLS extension support.
  418       o Updated time routines to avoid OS limitations.
  419 
  420   Major changes between OpenSSL 0.9.8m and OpenSSL 0.9.8n [24 Mar 2010]:
  421 
  422       o CFB cipher definition fixes.
  423       o Fix security issues CVE-2010-0740 and CVE-2010-0433.
  424 
  425   Major changes between OpenSSL 0.9.8l and OpenSSL 0.9.8m [25 Feb 2010]:
  426 
  427       o Cipher definition fixes.
  428       o Workaround for slow RAND_poll() on some WIN32 versions.
  429       o Remove MD2 from algorithm tables.
  430       o SPKAC handling fixes.
  431       o Support for RFC5746 TLS renegotiation extension.
  432       o Compression memory leak fixed.
  433       o Compression session resumption fixed.
  434       o Ticket and SNI coexistence fixes.
  435       o Many fixes to DTLS handling.
  436 
  437   Major changes between OpenSSL 0.9.8k and OpenSSL 0.9.8l [5 Nov 2009]:
  438 
  439       o Temporary work around for CVE-2009-3555: disable renegotiation.
  440 
  441   Major changes between OpenSSL 0.9.8j and OpenSSL 0.9.8k [25 Mar 2009]:
  442 
  443       o Fix various build issues.
  444       o Fix security issues (CVE-2009-0590, CVE-2009-0591, CVE-2009-0789)
  445 
  446   Major changes between OpenSSL 0.9.8i and OpenSSL 0.9.8j [7 Jan 2009]:
  447 
  448       o Fix security issue (CVE-2008-5077)
  449       o Merge FIPS 140-2 branch code.
  450 
  451   Major changes between OpenSSL 0.9.8g and OpenSSL 0.9.8h [28 May 2008]:
  452 
  453       o CryptoAPI ENGINE support.
  454       o Various precautionary measures.
  455       o Fix for bugs affecting certificate request creation.
  456       o Support for local machine keyset attribute in PKCS#12 files.
  457 
  458   Major changes between OpenSSL 0.9.8f and OpenSSL 0.9.8g [19 Oct 2007]:
  459 
  460       o Backport of CMS functionality to 0.9.8.
  461       o Fixes for bugs introduced with 0.9.8f.
  462 
  463   Major changes between OpenSSL 0.9.8e and OpenSSL 0.9.8f [11 Oct 2007]:
  464 
  465       o Add gcc 4.2 support.
  466       o Add support for AES and SSE2 assembly language optimization
  467         for VC++ build.
  468       o Support for RFC4507bis and server name extensions if explicitly
  469         selected at compile time.
  470       o DTLS improvements.
  471       o RFC4507bis support.
  472       o TLS Extensions support.
  473 
  474   Major changes between OpenSSL 0.9.8d and OpenSSL 0.9.8e [23 Feb 2007]:
  475 
  476       o Various ciphersuite selection fixes.
  477       o RFC3779 support.
  478 
  479   Major changes between OpenSSL 0.9.8c and OpenSSL 0.9.8d [28 Sep 2006]:
  480 
  481       o Introduce limits to prevent malicious key DoS  (CVE-2006-2940)
  482       o Fix security issues (CVE-2006-2937, CVE-2006-3737, CVE-2006-4343)
  483       o Changes to ciphersuite selection algorithm
  484 
  485   Major changes between OpenSSL 0.9.8b and OpenSSL 0.9.8c [5 Sep 2006]:
  486 
  487       o Fix Daniel Bleichenbacher forged signature attack, CVE-2006-4339
  488       o New cipher Camellia
  489 
  490   Major changes between OpenSSL 0.9.8a and OpenSSL 0.9.8b [4 May 2006]:
  491 
  492       o Cipher string fixes.
  493       o Fixes for VC++ 2005.
  494       o Updated ECC cipher suite support.
  495       o New functions EVP_CIPHER_CTX_new() and EVP_CIPHER_CTX_free().
  496       o Zlib compression usage fixes.
  497       o Built in dynamic engine compilation support on Win32.
  498       o Fixes auto dynamic engine loading in Win32.
  499 
  500   Major changes between OpenSSL 0.9.8 and OpenSSL 0.9.8a [11 Oct 2005]:
  501 
  502       o Fix potential SSL 2.0 rollback, CVE-2005-2969
  503       o Extended Windows CE support
  504 
  505   Major changes between OpenSSL 0.9.7g and OpenSSL 0.9.8 [5 Jul 2005]:
  506 
  507       o Major work on the BIGNUM library for higher efficiency and to
  508         make operations more streamlined and less contradictory.  This
  509         is the result of a major audit of the BIGNUM library.
  510       o Addition of BIGNUM functions for fields GF(2^m) and NIST
  511         curves, to support the Elliptic Crypto functions.
  512       o Major work on Elliptic Crypto; ECDH and ECDSA added, including
  513         the use through EVP, X509 and ENGINE.
  514       o New ASN.1 mini-compiler that's usable through the OpenSSL
  515         configuration file.
  516       o Added support for ASN.1 indefinite length constructed encoding.
  517       o New PKCS#12 'medium level' API to manipulate PKCS#12 files.
  518       o Complete rework of shared library construction and linking
  519         programs with shared or static libraries, through a separate
  520         Makefile.shared.
  521       o Rework of the passing of parameters from one Makefile to another.
  522       o Changed ENGINE framework to load dynamic engine modules
  523         automatically from specifically given directories.
  524       o New structure and ASN.1 functions for CertificatePair.
  525       o Changed the ZLIB compression method to be stateful.
  526       o Changed the key-generation and primality testing "progress"
  527         mechanism to take a structure that contains the ticker
  528         function and an argument.
  529       o New engine module: GMP (performs private key exponentiation).
  530       o New engine module: VIA PadLOck ACE extension in VIA C3
  531         Nehemiah processors.
  532       o Added support for IPv6 addresses in certificate extensions.
  533         See RFC 1884, section 2.2.
  534       o Added support for certificate policy mappings, policy
  535         constraints and name constraints.
  536       o Added support for multi-valued AVAs in the OpenSSL
  537         configuration file.
  538       o Added support for multiple certificates with the same subject
  539         in the 'openssl ca' index file.
  540       o Make it possible to create self-signed certificates using
  541         'openssl ca -selfsign'.
  542       o Make it possible to generate a serial number file with
  543         'openssl ca -create_serial'.
  544       o New binary search functions with extended functionality.
  545       o New BUF functions.
  546       o New STORE structure and library to provide an interface to all
  547         sorts of data repositories.  Supports storage of public and
  548         private keys, certificates, CRLs, numbers and arbitrary blobs.
  549         This library is unfortunately unfinished and unused within
  550         OpenSSL.
  551       o New control functions for the error stack.
  552       o Changed the PKCS#7 library to support one-pass S/MIME
  553         processing.
  554       o Added the possibility to compile without old deprecated
  555         functionality with the OPENSSL_NO_DEPRECATED macro or the
  556         'no-deprecated' argument to the config and Configure scripts.
  557       o Constification of all ASN.1 conversion functions, and other
  558         affected functions.
  559       o Improved platform support for PowerPC.
  560       o New FIPS 180-2 algorithms (SHA-224, -256, -384 and -512).
  561       o New X509_VERIFY_PARAM structure to support parameterisation
  562         of X.509 path validation.
  563       o Major overhaul of RC4 performance on Intel P4, IA-64 and
  564         AMD64.
  565       o Changed the Configure script to have some algorithms disabled
  566         by default.  Those can be explicitly enabled with the new
  567         argument form 'enable-xxx'.
  568       o Change the default digest in 'openssl' commands from MD5 to
  569         SHA-1.
  570       o Added support for DTLS.
  571       o New BIGNUM blinding.
  572       o Added support for the RSA-PSS encryption scheme
  573       o Added support for the RSA X.931 padding.
  574       o Added support for BSD sockets on NetWare.
  575       o Added support for files larger than 2GB.
  576       o Added initial support for Win64.
  577       o Added alternate pkg-config files.
  578 
  579   Major changes between OpenSSL 0.9.7l and OpenSSL 0.9.7m [23 Feb 2007]:
  580 
  581       o FIPS 1.1.1 module linking.
  582       o Various ciphersuite selection fixes.
  583 
  584   Major changes between OpenSSL 0.9.7k and OpenSSL 0.9.7l [28 Sep 2006]:
  585 
  586       o Introduce limits to prevent malicious key DoS  (CVE-2006-2940)
  587       o Fix security issues (CVE-2006-2937, CVE-2006-3737, CVE-2006-4343)
  588 
  589   Major changes between OpenSSL 0.9.7j and OpenSSL 0.9.7k [5 Sep 2006]:
  590 
  591       o Fix Daniel Bleichenbacher forged signature attack, CVE-2006-4339
  592 
  593   Major changes between OpenSSL 0.9.7i and OpenSSL 0.9.7j [4 May 2006]:
  594 
  595       o Visual C++ 2005 fixes.
  596       o Update Windows build system for FIPS.
  597 
  598   Major changes between OpenSSL 0.9.7h and OpenSSL 0.9.7i [14 Oct 2005]:
  599 
  600       o Give EVP_MAX_MD_SIZE it's old value, except for a FIPS build.
  601 
  602   Major changes between OpenSSL 0.9.7g and OpenSSL 0.9.7h [11 Oct 2005]:
  603 
  604       o Fix SSL 2.0 Rollback, CVE-2005-2969
  605       o Allow use of fixed-length exponent on DSA signing
  606       o Default fixed-window RSA, DSA, DH private-key operations
  607 
  608   Major changes between OpenSSL 0.9.7f and OpenSSL 0.9.7g [11 Apr 2005]:
  609 
  610       o More compilation issues fixed.
  611       o Adaptation to more modern Kerberos API.
  612       o Enhanced or corrected configuration for Solaris64, Mingw and Cygwin.
  613       o Enhanced x86_64 assembler BIGNUM module.
  614       o More constification.
  615       o Added processing of proxy certificates (RFC 3820).
  616 
  617   Major changes between OpenSSL 0.9.7e and OpenSSL 0.9.7f [22 Mar 2005]:
  618 
  619       o Several compilation issues fixed.
  620       o Many memory allocation failure checks added.
  621       o Improved comparison of X509 Name type.
  622       o Mandatory basic checks on certificates.
  623       o Performance improvements.
  624 
  625   Major changes between OpenSSL 0.9.7d and OpenSSL 0.9.7e [25 Oct 2004]:
  626 
  627       o Fix race condition in CRL checking code.
  628       o Fixes to PKCS#7 (S/MIME) code.
  629 
  630   Major changes between OpenSSL 0.9.7c and OpenSSL 0.9.7d [17 Mar 2004]:
  631 
  632       o Security: Fix Kerberos ciphersuite SSL/TLS handshaking bug
  633       o Security: Fix null-pointer assignment in do_change_cipher_spec()
  634       o Allow multiple active certificates with same subject in CA index
  635       o Multiple X509 verification fixes
  636       o Speed up HMAC and other operations
  637 
  638   Major changes between OpenSSL 0.9.7b and OpenSSL 0.9.7c [30 Sep 2003]:
  639 
  640       o Security: fix various ASN1 parsing bugs.
  641       o New -ignore_err option to OCSP utility.
  642       o Various interop and bug fixes in S/MIME code.
  643       o SSL/TLS protocol fix for unrequested client certificates.
  644 
  645   Major changes between OpenSSL 0.9.7a and OpenSSL 0.9.7b [10 Apr 2003]:
  646 
  647       o Security: counter the Klima-Pokorny-Rosa extension of
  648         Bleichbacher's attack
  649       o Security: make RSA blinding default.
  650       o Configuration: Irix fixes, AIX fixes, better mingw support.
  651       o Support for new platforms: linux-ia64-ecc.
  652       o Build: shared library support fixes.
  653       o ASN.1: treat domainComponent correctly.
  654       o Documentation: fixes and additions.
  655 
  656   Major changes between OpenSSL 0.9.7 and OpenSSL 0.9.7a [19 Feb 2003]:
  657 
  658       o Security: Important security related bugfixes.
  659       o Enhanced compatibility with MIT Kerberos.
  660       o Can be built without the ENGINE framework.
  661       o IA32 assembler enhancements.
  662       o Support for new platforms: FreeBSD/IA64 and FreeBSD/Sparc64.
  663       o Configuration: the no-err option now works properly.
  664       o SSL/TLS: now handles manual certificate chain building.
  665       o SSL/TLS: certain session ID malfunctions corrected.
  666 
  667   Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.7 [30 Dec 2002]:
  668 
  669       o New library section OCSP.
  670       o Complete rewrite of ASN1 code.
  671       o CRL checking in verify code and openssl utility.
  672       o Extension copying in 'ca' utility.
  673       o Flexible display options in 'ca' utility.
  674       o Provisional support for international characters with UTF8.
  675       o Support for external crypto devices ('engine') is no longer
  676         a separate distribution.
  677       o New elliptic curve library section.
  678       o New AES (Rijndael) library section.
  679       o Support for new platforms: Windows CE, Tandem OSS, A/UX, AIX 64-bit,
  680         Linux x86_64, Linux 64-bit on Sparc v9
  681       o Extended support for some platforms: VxWorks
  682       o Enhanced support for shared libraries.
  683       o Now only builds PIC code when shared library support is requested.
  684       o Support for pkg-config.
  685       o Lots of new manuals.
  686       o Makes symbolic links to or copies of manuals to cover all described
  687         functions.
  688       o Change DES API to clean up the namespace (some applications link also
  689         against libdes providing similar functions having the same name).
  690         Provide macros for backward compatibility (will be removed in the
  691         future).
  692       o Unify handling of cryptographic algorithms (software and engine)
  693         to be available via EVP routines for asymmetric and symmetric ciphers.
  694       o NCONF: new configuration handling routines.
  695       o Change API to use more 'const' modifiers to improve error checking
  696         and help optimizers.
  697       o Finally remove references to RSAref.
  698       o Reworked parts of the BIGNUM code.
  699       o Support for new engines: Broadcom ubsec, Accelerated Encryption
  700         Processing, IBM 4758.
  701       o A few new engines added in the demos area.
  702       o Extended and corrected OID (object identifier) table.
  703       o PRNG: query at more locations for a random device, automatic query for
  704         EGD style random sources at several locations.
  705       o SSL/TLS: allow optional cipher choice according to server's preference.
  706       o SSL/TLS: allow server to explicitly set new session ids.
  707       o SSL/TLS: support Kerberos cipher suites (RFC2712).
  708         Only supports MIT Kerberos for now.
  709       o SSL/TLS: allow more precise control of renegotiations and sessions.
  710       o SSL/TLS: add callback to retrieve SSL/TLS messages.
  711       o SSL/TLS: support AES cipher suites (RFC3268).
  712 
  713   Major changes between OpenSSL 0.9.6j and OpenSSL 0.9.6k [30 Sep 2003]:
  714 
  715       o Security: fix various ASN1 parsing bugs.
  716       o SSL/TLS protocol fix for unrequested client certificates.
  717 
  718   Major changes between OpenSSL 0.9.6i and OpenSSL 0.9.6j [10 Apr 2003]:
  719 
  720       o Security: counter the Klima-Pokorny-Rosa extension of
  721         Bleichbacher's attack
  722       o Security: make RSA blinding default.
  723       o Build: shared library support fixes.
  724 
  725   Major changes between OpenSSL 0.9.6h and OpenSSL 0.9.6i [19 Feb 2003]:
  726 
  727       o Important security related bugfixes.
  728 
  729   Major changes between OpenSSL 0.9.6g and OpenSSL 0.9.6h [5 Dec 2002]:
  730 
  731       o New configuration targets for Tandem OSS and A/UX.
  732       o New OIDs for Microsoft attributes.
  733       o Better handling of SSL session caching.
  734       o Better comparison of distinguished names.
  735       o Better handling of shared libraries in a mixed GNU/non-GNU environment.
  736       o Support assembler code with Borland C.
  737       o Fixes for length problems.
  738       o Fixes for uninitialised variables.
  739       o Fixes for memory leaks, some unusual crashes and some race conditions.
  740       o Fixes for smaller building problems.
  741       o Updates of manuals, FAQ and other instructive documents.
  742 
  743   Major changes between OpenSSL 0.9.6f and OpenSSL 0.9.6g [9 Aug 2002]:
  744 
  745       o Important building fixes on Unix.
  746 
  747   Major changes between OpenSSL 0.9.6e and OpenSSL 0.9.6f [8 Aug 2002]:
  748 
  749       o Various important bugfixes.
  750 
  751   Major changes between OpenSSL 0.9.6d and OpenSSL 0.9.6e [30 Jul 2002]:
  752 
  753       o Important security related bugfixes.
  754       o Various SSL/TLS library bugfixes.
  755 
  756   Major changes between OpenSSL 0.9.6c and OpenSSL 0.9.6d [9 May 2002]:
  757 
  758       o Various SSL/TLS library bugfixes.
  759       o Fix DH parameter generation for 'non-standard' generators.
  760 
  761   Major changes between OpenSSL 0.9.6b and OpenSSL 0.9.6c [21 Dec 2001]:
  762 
  763       o Various SSL/TLS library bugfixes.
  764       o BIGNUM library fixes.
  765       o RSA OAEP and random number generation fixes.
  766       o Object identifiers corrected and added.
  767       o Add assembler BN routines for IA64.
  768       o Add support for OS/390 Unix, UnixWare with gcc, OpenUNIX 8,
  769         MIPS Linux; shared library support for Irix, HP-UX.
  770       o Add crypto accelerator support for AEP, Baltimore SureWare,
  771         Broadcom and Cryptographic Appliance's keyserver
  772         [in 0.9.6c-engine release].
  773 
  774   Major changes between OpenSSL 0.9.6a and OpenSSL 0.9.6b [9 Jul 2001]:
  775 
  776       o Security fix: PRNG improvements.
  777       o Security fix: RSA OAEP check.
  778       o Security fix: Reinsert and fix countermeasure to Bleichbacher's
  779         attack.
  780       o MIPS bug fix in BIGNUM.
  781       o Bug fix in "openssl enc".
  782       o Bug fix in X.509 printing routine.
  783       o Bug fix in DSA verification routine and DSA S/MIME verification.
  784       o Bug fix to make PRNG thread-safe.
  785       o Bug fix in RAND_file_name().
  786       o Bug fix in compatibility mode trust settings.
  787       o Bug fix in blowfish EVP.
  788       o Increase default size for BIO buffering filter.
  789       o Compatibility fixes in some scripts.
  790 
  791   Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.6a [5 Apr 2001]:
  792 
  793       o Security fix: change behavior of OpenSSL to avoid using
  794         environment variables when running as root.
  795       o Security fix: check the result of RSA-CRT to reduce the
  796         possibility of deducing the private key from an incorrectly
  797         calculated signature.
  798       o Security fix: prevent Bleichenbacher's DSA attack.
  799       o Security fix: Zero the premaster secret after deriving the
  800         master secret in DH ciphersuites.
  801       o Reimplement SSL_peek(), which had various problems.
  802       o Compatibility fix: the function des_encrypt() renamed to
  803         des_encrypt1() to avoid clashes with some Unixen libc.
  804       o Bug fixes for Win32, HP/UX and Irix.
  805       o Bug fixes in BIGNUM, SSL, PKCS#7, PKCS#12, X.509, CONF and
  806         memory checking routines.
  807       o Bug fixes for RSA operations in threaded environments.
  808       o Bug fixes in misc. openssl applications.
  809       o Remove a few potential memory leaks.
  810       o Add tighter checks of BIGNUM routines.
  811       o Shared library support has been reworked for generality.
  812       o More documentation.
  813       o New function BN_rand_range().
  814       o Add "-rand" option to openssl s_client and s_server.
  815 
  816   Major changes between OpenSSL 0.9.5a and OpenSSL 0.9.6 [10 Oct 2000]:
  817 
  818       o Some documentation for BIO and SSL libraries.
  819       o Enhanced chain verification using key identifiers.
  820       o New sign and verify options to 'dgst' application.
  821       o Support for DER and PEM encoded messages in 'smime' application.
  822       o New 'rsautl' application, low level RSA utility.
  823       o MD4 now included.
  824       o Bugfix for SSL rollback padding check.
  825       o Support for external crypto devices [1].
  826       o Enhanced EVP interface.
  827 
  828     [1] The support for external crypto devices is currently a separate
  829         distribution.  See the file README.ENGINE.
  830 
  831   Major changes between OpenSSL 0.9.5 and OpenSSL 0.9.5a [1 Apr 2000]:
  832 
  833       o Bug fixes for Win32, SuSE Linux, NeXTSTEP and FreeBSD 2.2.8
  834       o Shared library support for HPUX and Solaris-gcc
  835       o Support of Linux/IA64
  836       o Assembler support for Mingw32
  837       o New 'rand' application
  838       o New way to check for existence of algorithms from scripts
  839 
  840   Major changes between OpenSSL 0.9.4 and OpenSSL 0.9.5 [25 May 2000]:
  841 
  842       o S/MIME support in new 'smime' command
  843       o Documentation for the OpenSSL command line application
  844       o Automation of 'req' application
  845       o Fixes to make s_client, s_server work under Windows
  846       o Support for multiple fieldnames in SPKACs
  847       o New SPKAC command line utility and associated library functions
  848       o Options to allow passwords to be obtained from various sources
  849       o New public key PEM format and options to handle it
  850       o Many other fixes and enhancements to command line utilities
  851       o Usable certificate chain verification
  852       o Certificate purpose checking
  853       o Certificate trust settings
  854       o Support of authority information access extension
  855       o Extensions in certificate requests
  856       o Simplified X509 name and attribute routines
  857       o Initial (incomplete) support for international character sets
  858       o New DH_METHOD, DSA_METHOD and enhanced RSA_METHOD
  859       o Read only memory BIOs and simplified creation function
  860       o TLS/SSL protocol bugfixes: Accept TLS 'client hello' in SSL 3.0
  861         record; allow fragmentation and interleaving of handshake and other
  862         data
  863       o TLS/SSL code now "tolerates" MS SGC
  864       o Work around for Netscape client certificate hang bug
  865       o RSA_NULL option that removes RSA patent code but keeps other
  866         RSA functionality
  867       o Memory leak detection now allows applications to add extra information
  868         via a per-thread stack
  869       o PRNG robustness improved
  870       o EGD support
  871       o BIGNUM library bug fixes
  872       o Faster DSA parameter generation
  873       o Enhanced support for Alpha Linux
  874       o Experimental MacOS support
  875 
  876   Major changes between OpenSSL 0.9.3 and OpenSSL 0.9.4 [9 Aug 1999]:
  877 
  878       o Transparent support for PKCS#8 format private keys: these are used
  879         by several software packages and are more secure than the standard
  880         form
  881       o PKCS#5 v2.0 implementation
  882       o Password callbacks have a new void * argument for application data
  883       o Avoid various memory leaks
  884       o New pipe-like BIO that allows using the SSL library when actual I/O
  885         must be handled by the application (BIO pair)
  886 
  887   Major changes between OpenSSL 0.9.2b and OpenSSL 0.9.3 [24 May 1999]:
  888       o Lots of enhancements and cleanups to the Configuration mechanism
  889       o RSA OEAP related fixes
  890       o Added `openssl ca -revoke' option for revoking a certificate
  891       o Source cleanups: const correctness, type-safe stacks and ASN.1 SETs
  892       o Source tree cleanups: removed lots of obsolete files
  893       o Thawte SXNet, certificate policies and CRL distribution points
  894         extension support
  895       o Preliminary (experimental) S/MIME support
  896       o Support for ASN.1 UTF8String and VisibleString
  897       o Full integration of PKCS#12 code
  898       o Sparc assembler bignum implementation, optimized hash functions
  899       o Option to disable selected ciphers
  900 
  901   Major changes between OpenSSL 0.9.1c and OpenSSL 0.9.2b [22 Mar 1999]:
  902       o Fixed a security hole related to session resumption
  903       o Fixed RSA encryption routines for the p < q case
  904       o "ALL" in cipher lists now means "everything except NULL ciphers"
  905       o Support for Triple-DES CBCM cipher
  906       o Support of Optimal Asymmetric Encryption Padding (OAEP) for RSA
  907       o First support for new TLSv1 ciphers
  908       o Added a few new BIOs (syslog BIO, reliable BIO)
  909       o Extended support for DSA certificate/keys.
  910       o Extended support for Certificate Signing Requests (CSR)
  911       o Initial support for X.509v3 extensions
  912       o Extended support for compression inside the SSL record layer
  913       o Overhauled Win32 builds
  914       o Cleanups and fixes to the Big Number (BN) library
  915       o Support for ASN.1 GeneralizedTime
  916       o Splitted ASN.1 SETs from SEQUENCEs
  917       o ASN1 and PEM support for Netscape Certificate Sequences
  918       o Overhauled Perl interface
  919       o Lots of source tree cleanups.
  920       o Lots of memory leak fixes.
  921       o Lots of bug fixes.
  922 
  923   Major changes between SSLeay 0.9.0b and OpenSSL 0.9.1c [23 Dec 1998]:
  924       o Integration of the popular NO_RSA/NO_DSA patches
  925       o Initial support for compression inside the SSL record layer
  926       o Added BIO proxy and filtering functionality
  927       o Extended Big Number (BN) library
  928       o Added RIPE MD160 message digest
  929       o Added support for RC2/64bit cipher
  930       o Extended ASN.1 parser routines
  931       o Adjustments of the source tree for CVS
  932       o Support for various new platforms