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Member "openssl-1.1.1g/NEWS" (21 Apr 2020, 42781 Bytes) of package /linux/misc/openssl-1.1.1g.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 1.1.1f and OpenSSL 1.1.1g [21 Apr 2020]
    9 
   10       o Fixed segmentation fault in SSL_check_chain() (CVE-2020-1967)
   11 
   12   Major changes between OpenSSL 1.1.1e and OpenSSL 1.1.1f [31 Mar 2020]
   13 
   14       o Revert the unexpected EOF reporting via SSL_ERROR_SSL
   15 
   16   Major changes between OpenSSL 1.1.1d and OpenSSL 1.1.1e [17 Mar 2020]
   17 
   18       o Fixed an overflow bug in the x64_64 Montgomery squaring procedure
   19         used in exponentiation with 512-bit moduli (CVE-2019-1551)
   20       o Properly detect unexpected EOF while reading in libssl and report
   21         it via SSL_ERROR_SSL
   22 
   23   Major changes between OpenSSL 1.1.1c and OpenSSL 1.1.1d [10 Sep 2019]
   24 
   25       o Fixed a fork protection issue (CVE-2019-1549)
   26       o Fixed a padding oracle in PKCS7_dataDecode and CMS_decrypt_set1_pkey
   27         (CVE-2019-1563)
   28       o For built-in EC curves, ensure an EC_GROUP built from the curve name is
   29         used even when parsing explicit parameters
   30       o Compute ECC cofactors if not provided during EC_GROUP construction
   31         (CVE-2019-1547)
   32       o Early start up entropy quality from the DEVRANDOM seed source has been
   33         improved for older Linux systems
   34       o Correct the extended master secret constant on EBCDIC systems
   35       o Use Windows installation paths in the mingw builds (CVE-2019-1552)
   36       o Changed DH_check to accept parameters with order q and 2q subgroups
   37       o Significantly reduce secure memory usage by the randomness pools
   38       o Revert the DEVRANDOM_WAIT feature for Linux systems
   39 
   40   Major changes between OpenSSL 1.1.1b and OpenSSL 1.1.1c [28 May 2019]
   41 
   42       o Prevent over long nonces in ChaCha20-Poly1305 (CVE-2019-1543)
   43 
   44   Major changes between OpenSSL 1.1.1a and OpenSSL 1.1.1b [26 Feb 2019]
   45 
   46       o Change the info callback signals for the start and end of a post-handshake
   47         message exchange in TLSv1.3.
   48       o Fix a bug in DTLS over SCTP. This breaks interoperability with older versions
   49         of OpenSSL like OpenSSL 1.1.0 and OpenSSL 1.0.2.
   50 
   51   Major changes between OpenSSL 1.1.1 and OpenSSL 1.1.1a [20 Nov 2018]
   52 
   53       o Timing vulnerability in DSA signature generation (CVE-2018-0734)
   54       o Timing vulnerability in ECDSA signature generation (CVE-2018-0735)
   55 
   56   Major changes between OpenSSL 1.1.0i and OpenSSL 1.1.1 [11 Sep 2018]
   57 
   58       o Support for TLSv1.3 added (see https://wiki.openssl.org/index.php/TLS1.3
   59         for further important information). The TLSv1.3 implementation includes:
   60           o Fully compliant implementation of RFC8446 (TLSv1.3) on by default
   61           o Early data (0-RTT)
   62           o Post-handshake authentication and key update
   63           o Middlebox Compatibility Mode
   64           o TLSv1.3 PSKs
   65           o Support for all five RFC8446 ciphersuites
   66           o RSA-PSS signature algorithms (backported to TLSv1.2)
   67           o Configurable session ticket support
   68           o Stateless server support
   69           o Rewrite of the packet construction code for "safer" packet handling
   70           o Rewrite of the extension handling code
   71       o Complete rewrite of the OpenSSL random number generator to introduce the
   72         following capabilities
   73           o The default RAND method now utilizes an AES-CTR DRBG according to
   74             NIST standard SP 800-90Ar1.
   75           o Support for multiple DRBG instances with seed chaining.
   76           o There is a public and private DRBG instance.
   77           o The DRBG instances are fork-safe.
   78           o Keep all global DRBG instances on the secure heap if it is enabled.
   79           o The public and private DRBG instance are per thread for lock free
   80             operation
   81       o Support for various new cryptographic algorithms including:
   82           o SHA3
   83           o SHA512/224 and SHA512/256
   84           o EdDSA (both Ed25519 and Ed448) including X509 and TLS support
   85           o X448 (adding to the existing X25519 support in 1.1.0)
   86           o Multi-prime RSA
   87           o SM2
   88           o SM3
   89           o SM4
   90           o SipHash
   91           o ARIA (including TLS support)
   92       o Significant Side-Channel attack security improvements
   93       o Add a new ClientHello callback to provide the ability to adjust the SSL
   94         object at an early stage.
   95       o Add 'Maximum Fragment Length' TLS extension negotiation and support
   96       o A new STORE module, which implements a uniform and URI based reader of
   97         stores that can contain keys, certificates, CRLs and numerous other
   98         objects.
   99       o Move the display of configuration data to configdata.pm.
  100       o Allow GNU style "make variables" to be used with Configure.
  101       o Claim the namespaces OSSL and OPENSSL, represented as symbol prefixes
  102       o Rewrite of devcrypto engine
  103 
  104   Major changes between OpenSSL 1.1.0h and OpenSSL 1.1.0i [under development]
  105 
  106       o Client DoS due to large DH parameter (CVE-2018-0732)
  107       o Cache timing vulnerability in RSA Key Generation (CVE-2018-0737)
  108 
  109   Major changes between OpenSSL 1.1.0g and OpenSSL 1.1.0h [under development]
  110 
  111       o Constructed ASN.1 types with a recursive definition could exceed the
  112         stack (CVE-2018-0739)
  113       o Incorrect CRYPTO_memcmp on HP-UX PA-RISC (CVE-2018-0733)
  114       o rsaz_1024_mul_avx2 overflow bug on x86_64 (CVE-2017-3738)
  115 
  116   Major changes between OpenSSL 1.1.0f and OpenSSL 1.1.0g [2 Nov 2017]
  117 
  118       o bn_sqrx8x_internal carry bug on x86_64 (CVE-2017-3736)
  119       o Malformed X.509 IPAddressFamily could cause OOB read (CVE-2017-3735)
  120 
  121   Major changes between OpenSSL 1.1.0e and OpenSSL 1.1.0f [25 May 2017]
  122 
  123       o config now recognises 64-bit mingw and chooses mingw64 instead of mingw
  124 
  125   Major changes between OpenSSL 1.1.0d and OpenSSL 1.1.0e [16 Feb 2017]
  126 
  127       o Encrypt-Then-Mac renegotiation crash (CVE-2017-3733)
  128 
  129   Major changes between OpenSSL 1.1.0c and OpenSSL 1.1.0d [26 Jan 2017]
  130 
  131       o Truncated packet could crash via OOB read (CVE-2017-3731)
  132       o Bad (EC)DHE parameters cause a client crash (CVE-2017-3730)
  133       o BN_mod_exp may produce incorrect results on x86_64 (CVE-2017-3732)
  134 
  135   Major changes between OpenSSL 1.1.0b and OpenSSL 1.1.0c [10 Nov 2016]
  136 
  137       o ChaCha20/Poly1305 heap-buffer-overflow (CVE-2016-7054)
  138       o CMS Null dereference (CVE-2016-7053)
  139       o Montgomery multiplication may produce incorrect results (CVE-2016-7055)
  140 
  141   Major changes between OpenSSL 1.1.0a and OpenSSL 1.1.0b [26 Sep 2016]
  142 
  143       o Fix Use After Free for large message sizes (CVE-2016-6309)
  144 
  145   Major changes between OpenSSL 1.1.0 and OpenSSL 1.1.0a [22 Sep 2016]
  146 
  147       o OCSP Status Request extension unbounded memory growth (CVE-2016-6304)
  148       o SSL_peek() hang on empty record (CVE-2016-6305)
  149       o Excessive allocation of memory in tls_get_message_header()
  150        (CVE-2016-6307)
  151       o Excessive allocation of memory in dtls1_preprocess_fragment()
  152        (CVE-2016-6308)
  153 
  154   Major changes between OpenSSL 1.0.2h and OpenSSL 1.1.0 [25 Aug 2016]
  155 
  156       o Copyright text was shrunk to a boilerplate that points to the license
  157       o "shared" builds are now the default when possible
  158       o Added support for "pipelining"
  159       o Added the AFALG engine
  160       o New threading API implemented
  161       o Support for ChaCha20 and Poly1305 added to libcrypto and libssl
  162       o Support for extended master secret
  163       o CCM ciphersuites
  164       o Reworked test suite, now based on perl, Test::Harness and Test::More
  165       o *Most* libcrypto and libssl public structures were made opaque,
  166         including:
  167         BIGNUM and associated types, EC_KEY and EC_KEY_METHOD,
  168         DH and DH_METHOD, DSA and DSA_METHOD, RSA and RSA_METHOD,
  169         BIO and BIO_METHOD, EVP_MD_CTX, EVP_MD, EVP_CIPHER_CTX,
  170         EVP_CIPHER, EVP_PKEY and associated types, HMAC_CTX,
  171         X509, X509_CRL, X509_OBJECT, X509_STORE_CTX, X509_STORE,
  172         X509_LOOKUP, X509_LOOKUP_METHOD
  173       o libssl internal structures made opaque
  174       o SSLv2 support removed
  175       o Kerberos ciphersuite support removed
  176       o RC4 removed from DEFAULT ciphersuites in libssl
  177       o 40 and 56 bit cipher support removed from libssl
  178       o All public header files moved to include/openssl, no more symlinking
  179       o SSL/TLS state machine, version negotiation and record layer rewritten
  180       o EC revision: now operations use new EC_KEY_METHOD.
  181       o Support for OCB mode added to libcrypto
  182       o Support for asynchronous crypto operations added to libcrypto and libssl
  183       o Deprecated interfaces can now be disabled at build time either
  184         relative to the latest release via the "no-deprecated" Configure
  185         argument, or via the "--api=1.1.0|1.0.0|0.9.8" option.
  186       o Application software can be compiled with -DOPENSSL_API_COMPAT=version
  187         to ensure that features deprecated in that version are not exposed.
  188       o Support for RFC6698/RFC7671 DANE TLSA peer authentication
  189       o Change of Configure to use --prefix as the main installation
  190         directory location rather than --openssldir.  The latter becomes
  191         the directory for certs, private key and openssl.cnf exclusively.
  192       o Reworked BIO networking library, with full support for IPv6.
  193       o New "unified" build system
  194       o New security levels
  195       o Support for scrypt algorithm
  196       o Support for X25519
  197       o Extended SSL_CONF support using configuration files
  198       o KDF algorithm support. Implement TLS PRF as a KDF.
  199       o Support for Certificate Transparency
  200       o HKDF support.
  201 
  202   Major changes between OpenSSL 1.0.2g and OpenSSL 1.0.2h [3 May 2016]
  203 
  204       o Prevent padding oracle in AES-NI CBC MAC check (CVE-2016-2107)
  205       o Fix EVP_EncodeUpdate overflow (CVE-2016-2105)
  206       o Fix EVP_EncryptUpdate overflow (CVE-2016-2106)
  207       o Prevent ASN.1 BIO excessive memory allocation (CVE-2016-2109)
  208       o EBCDIC overread (CVE-2016-2176)
  209       o Modify behavior of ALPN to invoke callback after SNI/servername
  210         callback, such that updates to the SSL_CTX affect ALPN.
  211       o Remove LOW from the DEFAULT cipher list.  This removes singles DES from
  212         the default.
  213       o Only remove the SSLv2 methods with the no-ssl2-method option.
  214 
  215   Major changes between OpenSSL 1.0.2f and OpenSSL 1.0.2g [1 Mar 2016]
  216 
  217       o Disable weak ciphers in SSLv3 and up in default builds of OpenSSL.
  218       o Disable SSLv2 default build, default negotiation and weak ciphers
  219         (CVE-2016-0800)
  220       o Fix a double-free in DSA code (CVE-2016-0705)
  221       o Disable SRP fake user seed to address a server memory leak
  222         (CVE-2016-0798)
  223       o Fix BN_hex2bn/BN_dec2bn NULL pointer deref/heap corruption
  224         (CVE-2016-0797)
  225       o Fix memory issues in BIO_*printf functions (CVE-2016-0799)
  226       o Fix side channel attack on modular exponentiation (CVE-2016-0702)
  227 
  228   Major changes between OpenSSL 1.0.2e and OpenSSL 1.0.2f [28 Jan 2016]
  229 
  230       o DH small subgroups (CVE-2016-0701)
  231       o SSLv2 doesn't block disabled ciphers (CVE-2015-3197)
  232 
  233   Major changes between OpenSSL 1.0.2d and OpenSSL 1.0.2e [3 Dec 2015]
  234 
  235       o BN_mod_exp may produce incorrect results on x86_64 (CVE-2015-3193)
  236       o Certificate verify crash with missing PSS parameter (CVE-2015-3194)
  237       o X509_ATTRIBUTE memory leak (CVE-2015-3195)
  238       o Rewrite EVP_DecodeUpdate (base64 decoding) to fix several bugs
  239       o In DSA_generate_parameters_ex, if the provided seed is too short,
  240         return an error
  241 
  242   Major changes between OpenSSL 1.0.2c and OpenSSL 1.0.2d [9 Jul 2015]
  243 
  244       o Alternate chains certificate forgery (CVE-2015-1793)
  245       o Race condition handling PSK identify hint (CVE-2015-3196)
  246 
  247   Major changes between OpenSSL 1.0.2b and OpenSSL 1.0.2c [12 Jun 2015]
  248 
  249       o Fix HMAC ABI incompatibility
  250 
  251   Major changes between OpenSSL 1.0.2a and OpenSSL 1.0.2b [11 Jun 2015]
  252 
  253       o Malformed ECParameters causes infinite loop (CVE-2015-1788)
  254       o Exploitable out-of-bounds read in X509_cmp_time (CVE-2015-1789)
  255       o PKCS7 crash with missing EnvelopedContent (CVE-2015-1790)
  256       o CMS verify infinite loop with unknown hash function (CVE-2015-1792)
  257       o Race condition handling NewSessionTicket (CVE-2015-1791)
  258 
  259   Major changes between OpenSSL 1.0.2 and OpenSSL 1.0.2a [19 Mar 2015]
  260 
  261       o OpenSSL 1.0.2 ClientHello sigalgs DoS fix (CVE-2015-0291)
  262       o Multiblock corrupted pointer fix (CVE-2015-0290)
  263       o Segmentation fault in DTLSv1_listen fix (CVE-2015-0207)
  264       o Segmentation fault in ASN1_TYPE_cmp fix (CVE-2015-0286)
  265       o Segmentation fault for invalid PSS parameters fix (CVE-2015-0208)
  266       o ASN.1 structure reuse memory corruption fix (CVE-2015-0287)
  267       o PKCS7 NULL pointer dereferences fix (CVE-2015-0289)
  268       o DoS via reachable assert in SSLv2 servers fix (CVE-2015-0293)
  269       o Empty CKE with client auth and DHE fix (CVE-2015-1787)
  270       o Handshake with unseeded PRNG fix (CVE-2015-0285)
  271       o Use After Free following d2i_ECPrivatekey error fix (CVE-2015-0209)
  272       o X509_to_X509_REQ NULL pointer deref fix (CVE-2015-0288)
  273       o Removed the export ciphers from the DEFAULT ciphers
  274 
  275   Major changes between OpenSSL 1.0.1l and OpenSSL 1.0.2 [22 Jan 2015]:
  276 
  277       o Suite B support for TLS 1.2 and DTLS 1.2
  278       o Support for DTLS 1.2
  279       o TLS automatic EC curve selection.
  280       o API to set TLS supported signature algorithms and curves
  281       o SSL_CONF configuration API.
  282       o TLS Brainpool support.
  283       o ALPN support.
  284       o CMS support for RSA-PSS, RSA-OAEP, ECDH and X9.42 DH.
  285 
  286   Major changes between OpenSSL 1.0.1k and OpenSSL 1.0.1l [15 Jan 2015]
  287 
  288       o Build fixes for the Windows and OpenVMS platforms
  289 
  290   Major changes between OpenSSL 1.0.1j and OpenSSL 1.0.1k [8 Jan 2015]
  291 
  292       o Fix for CVE-2014-3571
  293       o Fix for CVE-2015-0206
  294       o Fix for CVE-2014-3569
  295       o Fix for CVE-2014-3572
  296       o Fix for CVE-2015-0204
  297       o Fix for CVE-2015-0205
  298       o Fix for CVE-2014-8275
  299       o Fix for CVE-2014-3570
  300 
  301   Major changes between OpenSSL 1.0.1i and OpenSSL 1.0.1j [15 Oct 2014]
  302 
  303       o Fix for CVE-2014-3513
  304       o Fix for CVE-2014-3567
  305       o Mitigation for CVE-2014-3566 (SSL protocol vulnerability)
  306       o Fix for CVE-2014-3568
  307 
  308   Major changes between OpenSSL 1.0.1h and OpenSSL 1.0.1i [6 Aug 2014]
  309 
  310       o Fix for CVE-2014-3512
  311       o Fix for CVE-2014-3511
  312       o Fix for CVE-2014-3510
  313       o Fix for CVE-2014-3507
  314       o Fix for CVE-2014-3506
  315       o Fix for CVE-2014-3505
  316       o Fix for CVE-2014-3509
  317       o Fix for CVE-2014-5139
  318       o Fix for CVE-2014-3508
  319 
  320   Major changes between OpenSSL 1.0.1g and OpenSSL 1.0.1h [5 Jun 2014]
  321 
  322       o Fix for CVE-2014-0224
  323       o Fix for CVE-2014-0221
  324       o Fix for CVE-2014-0198
  325       o Fix for CVE-2014-0195
  326       o Fix for CVE-2014-3470
  327       o Fix for CVE-2010-5298
  328 
  329   Major changes between OpenSSL 1.0.1f and OpenSSL 1.0.1g [7 Apr 2014]
  330 
  331       o Fix for CVE-2014-0160
  332       o Add TLS padding extension workaround for broken servers.
  333       o Fix for CVE-2014-0076
  334 
  335   Major changes between OpenSSL 1.0.1e and OpenSSL 1.0.1f [6 Jan 2014]
  336 
  337       o Don't include gmt_unix_time in TLS server and client random values
  338       o Fix for TLS record tampering bug CVE-2013-4353
  339       o Fix for TLS version checking bug CVE-2013-6449
  340       o Fix for DTLS retransmission bug CVE-2013-6450
  341 
  342   Major changes between OpenSSL 1.0.1d and OpenSSL 1.0.1e [11 Feb 2013]:
  343 
  344       o Corrected fix for CVE-2013-0169
  345 
  346   Major changes between OpenSSL 1.0.1c and OpenSSL 1.0.1d [4 Feb 2013]:
  347 
  348       o Fix renegotiation in TLS 1.1, 1.2 by using the correct TLS version.
  349       o Include the fips configuration module.
  350       o Fix OCSP bad key DoS attack CVE-2013-0166
  351       o Fix for SSL/TLS/DTLS CBC plaintext recovery attack CVE-2013-0169
  352       o Fix for TLS AESNI record handling flaw CVE-2012-2686
  353 
  354   Major changes between OpenSSL 1.0.1b and OpenSSL 1.0.1c [10 May 2012]:
  355 
  356       o Fix TLS/DTLS record length checking bug CVE-2012-2333
  357       o Don't attempt to use non-FIPS composite ciphers in FIPS mode.
  358 
  359   Major changes between OpenSSL 1.0.1a and OpenSSL 1.0.1b [26 Apr 2012]:
  360 
  361       o Fix compilation error on non-x86 platforms.
  362       o Make FIPS capable OpenSSL ciphers work in non-FIPS mode.
  363       o Fix SSL_OP_NO_TLSv1_1 clash with SSL_OP_ALL in OpenSSL 1.0.0
  364 
  365   Major changes between OpenSSL 1.0.1 and OpenSSL 1.0.1a [19 Apr 2012]:
  366 
  367       o Fix for ASN1 overflow bug CVE-2012-2110
  368       o Workarounds for some servers that hang on long client hellos.
  369       o Fix SEGV in AES code.
  370 
  371   Major changes between OpenSSL 1.0.0h and OpenSSL 1.0.1 [14 Mar 2012]:
  372 
  373       o TLS/DTLS heartbeat support.
  374       o SCTP support.
  375       o RFC 5705 TLS key material exporter.
  376       o RFC 5764 DTLS-SRTP negotiation.
  377       o Next Protocol Negotiation.
  378       o PSS signatures in certificates, requests and CRLs.
  379       o Support for password based recipient info for CMS.
  380       o Support TLS v1.2 and TLS v1.1.
  381       o Preliminary FIPS capability for unvalidated 2.0 FIPS module.
  382       o SRP support.
  383 
  384   Major changes between OpenSSL 1.0.0g and OpenSSL 1.0.0h [12 Mar 2012]:
  385 
  386       o Fix for CMS/PKCS#7 MMA CVE-2012-0884
  387       o Corrected fix for CVE-2011-4619
  388       o Various DTLS fixes.
  389 
  390   Major changes between OpenSSL 1.0.0f and OpenSSL 1.0.0g [18 Jan 2012]:
  391 
  392       o Fix for DTLS DoS issue CVE-2012-0050
  393 
  394   Major changes between OpenSSL 1.0.0e and OpenSSL 1.0.0f [4 Jan 2012]:
  395 
  396       o Fix for DTLS plaintext recovery attack CVE-2011-4108
  397       o Clear block padding bytes of SSL 3.0 records CVE-2011-4576
  398       o Only allow one SGC handshake restart for SSL/TLS CVE-2011-4619
  399       o Check parameters are not NULL in GOST ENGINE CVE-2012-0027
  400       o Check for malformed RFC3779 data CVE-2011-4577
  401 
  402   Major changes between OpenSSL 1.0.0d and OpenSSL 1.0.0e [6 Sep 2011]:
  403 
  404       o Fix for CRL vulnerability issue CVE-2011-3207
  405       o Fix for ECDH crashes CVE-2011-3210
  406       o Protection against EC timing attacks.
  407       o Support ECDH ciphersuites for certificates using SHA2 algorithms.
  408       o Various DTLS fixes.
  409 
  410   Major changes between OpenSSL 1.0.0c and OpenSSL 1.0.0d [8 Feb 2011]:
  411 
  412       o Fix for security issue CVE-2011-0014
  413 
  414   Major changes between OpenSSL 1.0.0b and OpenSSL 1.0.0c [2 Dec 2010]:
  415 
  416       o Fix for security issue CVE-2010-4180
  417       o Fix for CVE-2010-4252
  418       o Fix mishandling of absent EC point format extension.
  419       o Fix various platform compilation issues.
  420       o Corrected fix for security issue CVE-2010-3864.
  421 
  422   Major changes between OpenSSL 1.0.0a and OpenSSL 1.0.0b [16 Nov 2010]:
  423 
  424       o Fix for security issue CVE-2010-3864.
  425       o Fix for CVE-2010-2939
  426       o Fix WIN32 build system for GOST ENGINE.
  427 
  428   Major changes between OpenSSL 1.0.0 and OpenSSL 1.0.0a [1 Jun 2010]:
  429 
  430       o Fix for security issue CVE-2010-1633.
  431       o GOST MAC and CFB fixes.
  432 
  433   Major changes between OpenSSL 0.9.8n and OpenSSL 1.0.0 [29 Mar 2010]:
  434 
  435       o RFC3280 path validation: sufficient to process PKITS tests.
  436       o Integrated support for PVK files and keyblobs.
  437       o Change default private key format to PKCS#8.
  438       o CMS support: able to process all examples in RFC4134
  439       o Streaming ASN1 encode support for PKCS#7 and CMS.
  440       o Multiple signer and signer add support for PKCS#7 and CMS.
  441       o ASN1 printing support.
  442       o Whirlpool hash algorithm added.
  443       o RFC3161 time stamp support.
  444       o New generalised public key API supporting ENGINE based algorithms.
  445       o New generalised public key API utilities.
  446       o New ENGINE supporting GOST algorithms.
  447       o SSL/TLS GOST ciphersuite support.
  448       o PKCS#7 and CMS GOST support.
  449       o RFC4279 PSK ciphersuite support.
  450       o Supported points format extension for ECC ciphersuites.
  451       o ecdsa-with-SHA224/256/384/512 signature types.
  452       o dsa-with-SHA224 and dsa-with-SHA256 signature types.
  453       o Opaque PRF Input TLS extension support.
  454       o Updated time routines to avoid OS limitations.
  455 
  456   Major changes between OpenSSL 0.9.8m and OpenSSL 0.9.8n [24 Mar 2010]:
  457 
  458       o CFB cipher definition fixes.
  459       o Fix security issues CVE-2010-0740 and CVE-2010-0433.
  460 
  461   Major changes between OpenSSL 0.9.8l and OpenSSL 0.9.8m [25 Feb 2010]:
  462 
  463       o Cipher definition fixes.
  464       o Workaround for slow RAND_poll() on some WIN32 versions.
  465       o Remove MD2 from algorithm tables.
  466       o SPKAC handling fixes.
  467       o Support for RFC5746 TLS renegotiation extension.
  468       o Compression memory leak fixed.
  469       o Compression session resumption fixed.
  470       o Ticket and SNI coexistence fixes.
  471       o Many fixes to DTLS handling.
  472 
  473   Major changes between OpenSSL 0.9.8k and OpenSSL 0.9.8l [5 Nov 2009]:
  474 
  475       o Temporary work around for CVE-2009-3555: disable renegotiation.
  476 
  477   Major changes between OpenSSL 0.9.8j and OpenSSL 0.9.8k [25 Mar 2009]:
  478 
  479       o Fix various build issues.
  480       o Fix security issues (CVE-2009-0590, CVE-2009-0591, CVE-2009-0789)
  481 
  482   Major changes between OpenSSL 0.9.8i and OpenSSL 0.9.8j [7 Jan 2009]:
  483 
  484       o Fix security issue (CVE-2008-5077)
  485       o Merge FIPS 140-2 branch code.
  486 
  487   Major changes between OpenSSL 0.9.8g and OpenSSL 0.9.8h [28 May 2008]:
  488 
  489       o CryptoAPI ENGINE support.
  490       o Various precautionary measures.
  491       o Fix for bugs affecting certificate request creation.
  492       o Support for local machine keyset attribute in PKCS#12 files.
  493 
  494   Major changes between OpenSSL 0.9.8f and OpenSSL 0.9.8g [19 Oct 2007]:
  495 
  496       o Backport of CMS functionality to 0.9.8.
  497       o Fixes for bugs introduced with 0.9.8f.
  498 
  499   Major changes between OpenSSL 0.9.8e and OpenSSL 0.9.8f [11 Oct 2007]:
  500 
  501       o Add gcc 4.2 support.
  502       o Add support for AES and SSE2 assembly language optimization
  503         for VC++ build.
  504       o Support for RFC4507bis and server name extensions if explicitly
  505         selected at compile time.
  506       o DTLS improvements.
  507       o RFC4507bis support.
  508       o TLS Extensions support.
  509 
  510   Major changes between OpenSSL 0.9.8d and OpenSSL 0.9.8e [23 Feb 2007]:
  511 
  512       o Various ciphersuite selection fixes.
  513       o RFC3779 support.
  514 
  515   Major changes between OpenSSL 0.9.8c and OpenSSL 0.9.8d [28 Sep 2006]:
  516 
  517       o Introduce limits to prevent malicious key DoS  (CVE-2006-2940)
  518       o Fix security issues (CVE-2006-2937, CVE-2006-3737, CVE-2006-4343)
  519       o Changes to ciphersuite selection algorithm
  520 
  521   Major changes between OpenSSL 0.9.8b and OpenSSL 0.9.8c [5 Sep 2006]:
  522 
  523       o Fix Daniel Bleichenbacher forged signature attack, CVE-2006-4339
  524       o New cipher Camellia
  525 
  526   Major changes between OpenSSL 0.9.8a and OpenSSL 0.9.8b [4 May 2006]:
  527 
  528       o Cipher string fixes.
  529       o Fixes for VC++ 2005.
  530       o Updated ECC cipher suite support.
  531       o New functions EVP_CIPHER_CTX_new() and EVP_CIPHER_CTX_free().
  532       o Zlib compression usage fixes.
  533       o Built in dynamic engine compilation support on Win32.
  534       o Fixes auto dynamic engine loading in Win32.
  535 
  536   Major changes between OpenSSL 0.9.8 and OpenSSL 0.9.8a [11 Oct 2005]:
  537 
  538       o Fix potential SSL 2.0 rollback, CVE-2005-2969
  539       o Extended Windows CE support
  540 
  541   Major changes between OpenSSL 0.9.7g and OpenSSL 0.9.8 [5 Jul 2005]:
  542 
  543       o Major work on the BIGNUM library for higher efficiency and to
  544         make operations more streamlined and less contradictory.  This
  545         is the result of a major audit of the BIGNUM library.
  546       o Addition of BIGNUM functions for fields GF(2^m) and NIST
  547         curves, to support the Elliptic Crypto functions.
  548       o Major work on Elliptic Crypto; ECDH and ECDSA added, including
  549         the use through EVP, X509 and ENGINE.
  550       o New ASN.1 mini-compiler that's usable through the OpenSSL
  551         configuration file.
  552       o Added support for ASN.1 indefinite length constructed encoding.
  553       o New PKCS#12 'medium level' API to manipulate PKCS#12 files.
  554       o Complete rework of shared library construction and linking
  555         programs with shared or static libraries, through a separate
  556         Makefile.shared.
  557       o Rework of the passing of parameters from one Makefile to another.
  558       o Changed ENGINE framework to load dynamic engine modules
  559         automatically from specifically given directories.
  560       o New structure and ASN.1 functions for CertificatePair.
  561       o Changed the ZLIB compression method to be stateful.
  562       o Changed the key-generation and primality testing "progress"
  563         mechanism to take a structure that contains the ticker
  564         function and an argument.
  565       o New engine module: GMP (performs private key exponentiation).
  566       o New engine module: VIA PadLOck ACE extension in VIA C3
  567         Nehemiah processors.
  568       o Added support for IPv6 addresses in certificate extensions.
  569         See RFC 1884, section 2.2.
  570       o Added support for certificate policy mappings, policy
  571         constraints and name constraints.
  572       o Added support for multi-valued AVAs in the OpenSSL
  573         configuration file.
  574       o Added support for multiple certificates with the same subject
  575         in the 'openssl ca' index file.
  576       o Make it possible to create self-signed certificates using
  577         'openssl ca -selfsign'.
  578       o Make it possible to generate a serial number file with
  579         'openssl ca -create_serial'.
  580       o New binary search functions with extended functionality.
  581       o New BUF functions.
  582       o New STORE structure and library to provide an interface to all
  583         sorts of data repositories.  Supports storage of public and
  584         private keys, certificates, CRLs, numbers and arbitrary blobs.
  585         This library is unfortunately unfinished and unused within
  586         OpenSSL.
  587       o New control functions for the error stack.
  588       o Changed the PKCS#7 library to support one-pass S/MIME
  589         processing.
  590       o Added the possibility to compile without old deprecated
  591         functionality with the OPENSSL_NO_DEPRECATED macro or the
  592         'no-deprecated' argument to the config and Configure scripts.
  593       o Constification of all ASN.1 conversion functions, and other
  594         affected functions.
  595       o Improved platform support for PowerPC.
  596       o New FIPS 180-2 algorithms (SHA-224, -256, -384 and -512).
  597       o New X509_VERIFY_PARAM structure to support parameterisation
  598         of X.509 path validation.
  599       o Major overhaul of RC4 performance on Intel P4, IA-64 and
  600         AMD64.
  601       o Changed the Configure script to have some algorithms disabled
  602         by default.  Those can be explicitly enabled with the new
  603         argument form 'enable-xxx'.
  604       o Change the default digest in 'openssl' commands from MD5 to
  605         SHA-1.
  606       o Added support for DTLS.
  607       o New BIGNUM blinding.
  608       o Added support for the RSA-PSS encryption scheme
  609       o Added support for the RSA X.931 padding.
  610       o Added support for BSD sockets on NetWare.
  611       o Added support for files larger than 2GB.
  612       o Added initial support for Win64.
  613       o Added alternate pkg-config files.
  614 
  615   Major changes between OpenSSL 0.9.7l and OpenSSL 0.9.7m [23 Feb 2007]:
  616 
  617       o FIPS 1.1.1 module linking.
  618       o Various ciphersuite selection fixes.
  619 
  620   Major changes between OpenSSL 0.9.7k and OpenSSL 0.9.7l [28 Sep 2006]:
  621 
  622       o Introduce limits to prevent malicious key DoS  (CVE-2006-2940)
  623       o Fix security issues (CVE-2006-2937, CVE-2006-3737, CVE-2006-4343)
  624 
  625   Major changes between OpenSSL 0.9.7j and OpenSSL 0.9.7k [5 Sep 2006]:
  626 
  627       o Fix Daniel Bleichenbacher forged signature attack, CVE-2006-4339
  628 
  629   Major changes between OpenSSL 0.9.7i and OpenSSL 0.9.7j [4 May 2006]:
  630 
  631       o Visual C++ 2005 fixes.
  632       o Update Windows build system for FIPS.
  633 
  634   Major changes between OpenSSL 0.9.7h and OpenSSL 0.9.7i [14 Oct 2005]:
  635 
  636       o Give EVP_MAX_MD_SIZE its old value, except for a FIPS build.
  637 
  638   Major changes between OpenSSL 0.9.7g and OpenSSL 0.9.7h [11 Oct 2005]:
  639 
  640       o Fix SSL 2.0 Rollback, CVE-2005-2969
  641       o Allow use of fixed-length exponent on DSA signing
  642       o Default fixed-window RSA, DSA, DH private-key operations
  643 
  644   Major changes between OpenSSL 0.9.7f and OpenSSL 0.9.7g [11 Apr 2005]:
  645 
  646       o More compilation issues fixed.
  647       o Adaptation to more modern Kerberos API.
  648       o Enhanced or corrected configuration for Solaris64, Mingw and Cygwin.
  649       o Enhanced x86_64 assembler BIGNUM module.
  650       o More constification.
  651       o Added processing of proxy certificates (RFC 3820).
  652 
  653   Major changes between OpenSSL 0.9.7e and OpenSSL 0.9.7f [22 Mar 2005]:
  654 
  655       o Several compilation issues fixed.
  656       o Many memory allocation failure checks added.
  657       o Improved comparison of X509 Name type.
  658       o Mandatory basic checks on certificates.
  659       o Performance improvements.
  660 
  661   Major changes between OpenSSL 0.9.7d and OpenSSL 0.9.7e [25 Oct 2004]:
  662 
  663       o Fix race condition in CRL checking code.
  664       o Fixes to PKCS#7 (S/MIME) code.
  665 
  666   Major changes between OpenSSL 0.9.7c and OpenSSL 0.9.7d [17 Mar 2004]:
  667 
  668       o Security: Fix Kerberos ciphersuite SSL/TLS handshaking bug
  669       o Security: Fix null-pointer assignment in do_change_cipher_spec()
  670       o Allow multiple active certificates with same subject in CA index
  671       o Multiple X509 verification fixes
  672       o Speed up HMAC and other operations
  673 
  674   Major changes between OpenSSL 0.9.7b and OpenSSL 0.9.7c [30 Sep 2003]:
  675 
  676       o Security: fix various ASN1 parsing bugs.
  677       o New -ignore_err option to OCSP utility.
  678       o Various interop and bug fixes in S/MIME code.
  679       o SSL/TLS protocol fix for unrequested client certificates.
  680 
  681   Major changes between OpenSSL 0.9.7a and OpenSSL 0.9.7b [10 Apr 2003]:
  682 
  683       o Security: counter the Klima-Pokorny-Rosa extension of
  684         Bleichbacher's attack
  685       o Security: make RSA blinding default.
  686       o Configuration: Irix fixes, AIX fixes, better mingw support.
  687       o Support for new platforms: linux-ia64-ecc.
  688       o Build: shared library support fixes.
  689       o ASN.1: treat domainComponent correctly.
  690       o Documentation: fixes and additions.
  691 
  692   Major changes between OpenSSL 0.9.7 and OpenSSL 0.9.7a [19 Feb 2003]:
  693 
  694       o Security: Important security related bugfixes.
  695       o Enhanced compatibility with MIT Kerberos.
  696       o Can be built without the ENGINE framework.
  697       o IA32 assembler enhancements.
  698       o Support for new platforms: FreeBSD/IA64 and FreeBSD/Sparc64.
  699       o Configuration: the no-err option now works properly.
  700       o SSL/TLS: now handles manual certificate chain building.
  701       o SSL/TLS: certain session ID malfunctions corrected.
  702 
  703   Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.7 [30 Dec 2002]:
  704 
  705       o New library section OCSP.
  706       o Complete rewrite of ASN1 code.
  707       o CRL checking in verify code and openssl utility.
  708       o Extension copying in 'ca' utility.
  709       o Flexible display options in 'ca' utility.
  710       o Provisional support for international characters with UTF8.
  711       o Support for external crypto devices ('engine') is no longer
  712         a separate distribution.
  713       o New elliptic curve library section.
  714       o New AES (Rijndael) library section.
  715       o Support for new platforms: Windows CE, Tandem OSS, A/UX, AIX 64-bit,
  716         Linux x86_64, Linux 64-bit on Sparc v9
  717       o Extended support for some platforms: VxWorks
  718       o Enhanced support for shared libraries.
  719       o Now only builds PIC code when shared library support is requested.
  720       o Support for pkg-config.
  721       o Lots of new manuals.
  722       o Makes symbolic links to or copies of manuals to cover all described
  723         functions.
  724       o Change DES API to clean up the namespace (some applications link also
  725         against libdes providing similar functions having the same name).
  726         Provide macros for backward compatibility (will be removed in the
  727         future).
  728       o Unify handling of cryptographic algorithms (software and engine)
  729         to be available via EVP routines for asymmetric and symmetric ciphers.
  730       o NCONF: new configuration handling routines.
  731       o Change API to use more 'const' modifiers to improve error checking
  732         and help optimizers.
  733       o Finally remove references to RSAref.
  734       o Reworked parts of the BIGNUM code.
  735       o Support for new engines: Broadcom ubsec, Accelerated Encryption
  736         Processing, IBM 4758.
  737       o A few new engines added in the demos area.
  738       o Extended and corrected OID (object identifier) table.
  739       o PRNG: query at more locations for a random device, automatic query for
  740         EGD style random sources at several locations.
  741       o SSL/TLS: allow optional cipher choice according to server's preference.
  742       o SSL/TLS: allow server to explicitly set new session ids.
  743       o SSL/TLS: support Kerberos cipher suites (RFC2712).
  744         Only supports MIT Kerberos for now.
  745       o SSL/TLS: allow more precise control of renegotiations and sessions.
  746       o SSL/TLS: add callback to retrieve SSL/TLS messages.
  747       o SSL/TLS: support AES cipher suites (RFC3268).
  748 
  749   Major changes between OpenSSL 0.9.6j and OpenSSL 0.9.6k [30 Sep 2003]:
  750 
  751       o Security: fix various ASN1 parsing bugs.
  752       o SSL/TLS protocol fix for unrequested client certificates.
  753 
  754   Major changes between OpenSSL 0.9.6i and OpenSSL 0.9.6j [10 Apr 2003]:
  755 
  756       o Security: counter the Klima-Pokorny-Rosa extension of
  757         Bleichbacher's attack
  758       o Security: make RSA blinding default.
  759       o Build: shared library support fixes.
  760 
  761   Major changes between OpenSSL 0.9.6h and OpenSSL 0.9.6i [19 Feb 2003]:
  762 
  763       o Important security related bugfixes.
  764 
  765   Major changes between OpenSSL 0.9.6g and OpenSSL 0.9.6h [5 Dec 2002]:
  766 
  767       o New configuration targets for Tandem OSS and A/UX.
  768       o New OIDs for Microsoft attributes.
  769       o Better handling of SSL session caching.
  770       o Better comparison of distinguished names.
  771       o Better handling of shared libraries in a mixed GNU/non-GNU environment.
  772       o Support assembler code with Borland C.
  773       o Fixes for length problems.
  774       o Fixes for uninitialised variables.
  775       o Fixes for memory leaks, some unusual crashes and some race conditions.
  776       o Fixes for smaller building problems.
  777       o Updates of manuals, FAQ and other instructive documents.
  778 
  779   Major changes between OpenSSL 0.9.6f and OpenSSL 0.9.6g [9 Aug 2002]:
  780 
  781       o Important building fixes on Unix.
  782 
  783   Major changes between OpenSSL 0.9.6e and OpenSSL 0.9.6f [8 Aug 2002]:
  784 
  785       o Various important bugfixes.
  786 
  787   Major changes between OpenSSL 0.9.6d and OpenSSL 0.9.6e [30 Jul 2002]:
  788 
  789       o Important security related bugfixes.
  790       o Various SSL/TLS library bugfixes.
  791 
  792   Major changes between OpenSSL 0.9.6c and OpenSSL 0.9.6d [9 May 2002]:
  793 
  794       o Various SSL/TLS library bugfixes.
  795       o Fix DH parameter generation for 'non-standard' generators.
  796 
  797   Major changes between OpenSSL 0.9.6b and OpenSSL 0.9.6c [21 Dec 2001]:
  798 
  799       o Various SSL/TLS library bugfixes.
  800       o BIGNUM library fixes.
  801       o RSA OAEP and random number generation fixes.
  802       o Object identifiers corrected and added.
  803       o Add assembler BN routines for IA64.
  804       o Add support for OS/390 Unix, UnixWare with gcc, OpenUNIX 8,
  805         MIPS Linux; shared library support for Irix, HP-UX.
  806       o Add crypto accelerator support for AEP, Baltimore SureWare,
  807         Broadcom and Cryptographic Appliance's keyserver
  808         [in 0.9.6c-engine release].
  809 
  810   Major changes between OpenSSL 0.9.6a and OpenSSL 0.9.6b [9 Jul 2001]:
  811 
  812       o Security fix: PRNG improvements.
  813       o Security fix: RSA OAEP check.
  814       o Security fix: Reinsert and fix countermeasure to Bleichbacher's
  815         attack.
  816       o MIPS bug fix in BIGNUM.
  817       o Bug fix in "openssl enc".
  818       o Bug fix in X.509 printing routine.
  819       o Bug fix in DSA verification routine and DSA S/MIME verification.
  820       o Bug fix to make PRNG thread-safe.
  821       o Bug fix in RAND_file_name().
  822       o Bug fix in compatibility mode trust settings.
  823       o Bug fix in blowfish EVP.
  824       o Increase default size for BIO buffering filter.
  825       o Compatibility fixes in some scripts.
  826 
  827   Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.6a [5 Apr 2001]:
  828 
  829       o Security fix: change behavior of OpenSSL to avoid using
  830         environment variables when running as root.
  831       o Security fix: check the result of RSA-CRT to reduce the
  832         possibility of deducing the private key from an incorrectly
  833         calculated signature.
  834       o Security fix: prevent Bleichenbacher's DSA attack.
  835       o Security fix: Zero the premaster secret after deriving the
  836         master secret in DH ciphersuites.
  837       o Reimplement SSL_peek(), which had various problems.
  838       o Compatibility fix: the function des_encrypt() renamed to
  839         des_encrypt1() to avoid clashes with some Unixen libc.
  840       o Bug fixes for Win32, HP/UX and Irix.
  841       o Bug fixes in BIGNUM, SSL, PKCS#7, PKCS#12, X.509, CONF and
  842         memory checking routines.
  843       o Bug fixes for RSA operations in threaded environments.
  844       o Bug fixes in misc. openssl applications.
  845       o Remove a few potential memory leaks.
  846       o Add tighter checks of BIGNUM routines.
  847       o Shared library support has been reworked for generality.
  848       o More documentation.
  849       o New function BN_rand_range().
  850       o Add "-rand" option to openssl s_client and s_server.
  851 
  852   Major changes between OpenSSL 0.9.5a and OpenSSL 0.9.6 [10 Oct 2000]:
  853 
  854       o Some documentation for BIO and SSL libraries.
  855       o Enhanced chain verification using key identifiers.
  856       o New sign and verify options to 'dgst' application.
  857       o Support for DER and PEM encoded messages in 'smime' application.
  858       o New 'rsautl' application, low level RSA utility.
  859       o MD4 now included.
  860       o Bugfix for SSL rollback padding check.
  861       o Support for external crypto devices [1].
  862       o Enhanced EVP interface.
  863 
  864     [1] The support for external crypto devices is currently a separate
  865         distribution.  See the file README.ENGINE.
  866 
  867   Major changes between OpenSSL 0.9.5 and OpenSSL 0.9.5a [1 Apr 2000]:
  868 
  869       o Bug fixes for Win32, SuSE Linux, NeXTSTEP and FreeBSD 2.2.8
  870       o Shared library support for HPUX and Solaris-gcc
  871       o Support of Linux/IA64
  872       o Assembler support for Mingw32
  873       o New 'rand' application
  874       o New way to check for existence of algorithms from scripts
  875 
  876   Major changes between OpenSSL 0.9.4 and OpenSSL 0.9.5 [25 May 2000]:
  877 
  878       o S/MIME support in new 'smime' command
  879       o Documentation for the OpenSSL command line application
  880       o Automation of 'req' application
  881       o Fixes to make s_client, s_server work under Windows
  882       o Support for multiple fieldnames in SPKACs
  883       o New SPKAC command line utility and associated library functions
  884       o Options to allow passwords to be obtained from various sources
  885       o New public key PEM format and options to handle it
  886       o Many other fixes and enhancements to command line utilities
  887       o Usable certificate chain verification
  888       o Certificate purpose checking
  889       o Certificate trust settings
  890       o Support of authority information access extension
  891       o Extensions in certificate requests
  892       o Simplified X509 name and attribute routines
  893       o Initial (incomplete) support for international character sets
  894       o New DH_METHOD, DSA_METHOD and enhanced RSA_METHOD
  895       o Read only memory BIOs and simplified creation function
  896       o TLS/SSL protocol bugfixes: Accept TLS 'client hello' in SSL 3.0
  897         record; allow fragmentation and interleaving of handshake and other
  898         data
  899       o TLS/SSL code now "tolerates" MS SGC
  900       o Work around for Netscape client certificate hang bug
  901       o RSA_NULL option that removes RSA patent code but keeps other
  902         RSA functionality
  903       o Memory leak detection now allows applications to add extra information
  904         via a per-thread stack
  905       o PRNG robustness improved
  906       o EGD support
  907       o BIGNUM library bug fixes
  908       o Faster DSA parameter generation
  909       o Enhanced support for Alpha Linux
  910       o Experimental MacOS support
  911 
  912   Major changes between OpenSSL 0.9.3 and OpenSSL 0.9.4 [9 Aug 1999]:
  913 
  914       o Transparent support for PKCS#8 format private keys: these are used
  915         by several software packages and are more secure than the standard
  916         form
  917       o PKCS#5 v2.0 implementation
  918       o Password callbacks have a new void * argument for application data
  919       o Avoid various memory leaks
  920       o New pipe-like BIO that allows using the SSL library when actual I/O
  921         must be handled by the application (BIO pair)
  922 
  923   Major changes between OpenSSL 0.9.2b and OpenSSL 0.9.3 [24 May 1999]:
  924       o Lots of enhancements and cleanups to the Configuration mechanism
  925       o RSA OEAP related fixes
  926       o Added `openssl ca -revoke' option for revoking a certificate
  927       o Source cleanups: const correctness, type-safe stacks and ASN.1 SETs
  928       o Source tree cleanups: removed lots of obsolete files
  929       o Thawte SXNet, certificate policies and CRL distribution points
  930         extension support
  931       o Preliminary (experimental) S/MIME support
  932       o Support for ASN.1 UTF8String and VisibleString
  933       o Full integration of PKCS#12 code
  934       o Sparc assembler bignum implementation, optimized hash functions
  935       o Option to disable selected ciphers
  936 
  937   Major changes between OpenSSL 0.9.1c and OpenSSL 0.9.2b [22 Mar 1999]:
  938       o Fixed a security hole related to session resumption
  939       o Fixed RSA encryption routines for the p < q case
  940       o "ALL" in cipher lists now means "everything except NULL ciphers"
  941       o Support for Triple-DES CBCM cipher
  942       o Support of Optimal Asymmetric Encryption Padding (OAEP) for RSA
  943       o First support for new TLSv1 ciphers
  944       o Added a few new BIOs (syslog BIO, reliable BIO)
  945       o Extended support for DSA certificate/keys.
  946       o Extended support for Certificate Signing Requests (CSR)
  947       o Initial support for X.509v3 extensions
  948       o Extended support for compression inside the SSL record layer
  949       o Overhauled Win32 builds
  950       o Cleanups and fixes to the Big Number (BN) library
  951       o Support for ASN.1 GeneralizedTime
  952       o Splitted ASN.1 SETs from SEQUENCEs
  953       o ASN1 and PEM support for Netscape Certificate Sequences
  954       o Overhauled Perl interface
  955       o Lots of source tree cleanups.
  956       o Lots of memory leak fixes.
  957       o Lots of bug fixes.
  958 
  959   Major changes between SSLeay 0.9.0b and OpenSSL 0.9.1c [23 Dec 1998]:
  960       o Integration of the popular NO_RSA/NO_DSA patches
  961       o Initial support for compression inside the SSL record layer
  962       o Added BIO proxy and filtering functionality
  963       o Extended Big Number (BN) library
  964       o Added RIPE MD160 message digest
  965       o Added support for RC2/64bit cipher
  966       o Extended ASN.1 parser routines
  967       o Adjustments of the source tree for CVS
  968       o Support for various new platforms