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 o Fixed documentation of X509_VERIFY_PARAM_add0_policy() (CVE-2023-0466) 8 o Mitigate for very slow `OBJ_obj2txt()` performance with gigantic 9 OBJECT IDENTIFIER sub-identities. (CVE-2023-2650) 10 11 Major changes between OpenSSL 1.1.1m and OpenSSL 1.1.1n [15 Mar 2022] 12 13 o Fixed a bug in the BN_mod_sqrt() function that can cause it to loop 14 forever for non-prime moduli ([CVE-2022-0778]) 15 16 Major changes between OpenSSL 1.1.1l and OpenSSL 1.1.1m [14 Dec 2021] 17 18 o None 19 20 Major changes between OpenSSL 1.1.1k and OpenSSL 1.1.1l [24 Aug 2021] 21 22 o Fixed an SM2 Decryption Buffer Overflow (CVE-2021-3711) 23 o Fixed various read buffer overruns processing ASN.1 strings (CVE-2021-3712) 24 25 Major changes between OpenSSL 1.1.1j and OpenSSL 1.1.1k [25 Mar 2021] 26 27 o Fixed a problem with verifying a certificate chain when using the 28 X509_V_FLAG_X509_STRICT flag (CVE-2021-3450) 29 o Fixed an issue where an OpenSSL TLS server may crash if sent a 30 maliciously crafted renegotiation ClientHello message from a client 31 (CVE-2021-3449) 32 33 Major changes between OpenSSL 1.1.1i and OpenSSL 1.1.1j [16 Feb 2021] 34 35 o Fixed a NULL pointer deref in the X509_issuer_and_serial_hash() 36 function (CVE-2021-23841) 37 o Fixed the RSA_padding_check_SSLv23() function and the RSA_SSLV23_PADDING 38 padding mode to correctly check for rollback attacks 39 o Fixed an overflow in the EVP_CipherUpdate, EVP_EncryptUpdate and 40 EVP_DecryptUpdate functions (CVE-2021-23840) 41 o Fixed SRP_Calc_client_key so that it runs in constant time 42 43 Major changes between OpenSSL 1.1.1h and OpenSSL 1.1.1i [8 Dec 2020] 44 45 o Fixed NULL pointer deref in GENERAL_NAME_cmp (CVE-2020-1971) 46 47 Major changes between OpenSSL 1.1.1g and OpenSSL 1.1.1h [22 Sep 2020] 48 49 o Disallow explicit curve parameters in verifications chains when 50 X509_V_FLAG_X509_STRICT is used 51 o Enable 'MinProtocol' and 'MaxProtocol' to configure both TLS and DTLS 52 contexts 53 o Oracle Developer Studio will start reporting deprecation warnings 54 55 Major changes between OpenSSL 1.1.1f and OpenSSL 1.1.1g [21 Apr 2020] 56 57 o Fixed segmentation fault in SSL_check_chain() (CVE-2020-1967) 58 59 Major changes between OpenSSL 1.1.1e and OpenSSL 1.1.1f [31 Mar 2020] 60 61 o Revert the unexpected EOF reporting via SSL_ERROR_SSL 62 63 Major changes between OpenSSL 1.1.1d and OpenSSL 1.1.1e [17 Mar 2020] 64 65 o Fixed an overflow bug in the x64_64 Montgomery squaring procedure 66 used in exponentiation with 512-bit moduli (CVE-2019-1551) 67 o Properly detect unexpected EOF while reading in libssl and report 68 it via SSL_ERROR_SSL 69 70 Major changes between OpenSSL 1.1.1c and OpenSSL 1.1.1d [10 Sep 2019] 71 72 o Fixed a fork protection issue (CVE-2019-1549) 73 o Fixed a padding oracle in PKCS7_dataDecode and CMS_decrypt_set1_pkey 74 (CVE-2019-1563) 75 o For built-in EC curves, ensure an EC_GROUP built from the curve name is 76 used even when parsing explicit parameters 77 o Compute ECC cofactors if not provided during EC_GROUP construction 78 (CVE-2019-1547) 79 o Early start up entropy quality from the DEVRANDOM seed source has been 80 improved for older Linux systems 81 o Correct the extended master secret constant on EBCDIC systems 82 o Use Windows installation paths in the mingw builds (CVE-2019-1552) 83 o Changed DH_check to accept parameters with order q and 2q subgroups 84 o Significantly reduce secure memory usage by the randomness pools 85 o Revert the DEVRANDOM_WAIT feature for Linux systems 86 87 Major changes between OpenSSL 1.1.1b and OpenSSL 1.1.1c [28 May 2019] 88 89 o Prevent over long nonces in ChaCha20-Poly1305 (CVE-2019-1543) 90 91 Major changes between OpenSSL 1.1.1a and OpenSSL 1.1.1b [26 Feb 2019] 92 93 o Change the info callback signals for the start and end of a post-handshake 94 message exchange in TLSv1.3. 95 o Fix a bug in DTLS over SCTP. This breaks interoperability with older versions 96 of OpenSSL like OpenSSL 1.1.0 and OpenSSL 1.0.2. 97 98 Major changes between OpenSSL 1.1.1 and OpenSSL 1.1.1a [20 Nov 2018] 99 100 o Timing vulnerability in DSA signature generation (CVE-2018-0734) 101 o Timing vulnerability in ECDSA signature generation (CVE-2018-0735) 102 103 Major changes between OpenSSL 1.1.0i and OpenSSL 1.1.1 [11 Sep 2018] 104 105 o Support for TLSv1.3 added (see https://wiki.openssl.org/index.php/TLS1.3 106 for further important information). The TLSv1.3 implementation includes: 107 o Fully compliant implementation of RFC8446 (TLSv1.3) on by default 108 o Early data (0-RTT) 109 o Post-handshake authentication and key update 110 o Middlebox Compatibility Mode 111 o TLSv1.3 PSKs 112 o Support for all five RFC8446 ciphersuites 113 o RSA-PSS signature algorithms (backported to TLSv1.2) 114 o Configurable session ticket support 115 o Stateless server support 116 o Rewrite of the packet construction code for "safer" packet handling 117 o Rewrite of the extension handling code 118 o Complete rewrite of the OpenSSL random number generator to introduce the 119 following capabilities 120 o The default RAND method now utilizes an AES-CTR DRBG according to 121 NIST standard SP 800-90Ar1. 122 o Support for multiple DRBG instances with seed chaining. 123 o There is a public and private DRBG instance. 124 o The DRBG instances are fork-safe. 125 o Keep all global DRBG instances on the secure heap if it is enabled. 126 o The public and private DRBG instance are per thread for lock free 127 operation 128 o Support for various new cryptographic algorithms including: 129 o SHA3 130 o SHA512/224 and SHA512/256 131 o EdDSA (both Ed25519 and Ed448) including X509 and TLS support 132 o X448 (adding to the existing X25519 support in 1.1.0) 133 o Multi-prime RSA 134 o SM2 135 o SM3 136 o SM4 137 o SipHash 138 o ARIA (including TLS support) 139 o Significant Side-Channel attack security improvements 140 o Add a new ClientHello callback to provide the ability to adjust the SSL 141 object at an early stage. 142 o Add 'Maximum Fragment Length' TLS extension negotiation and support 143 o A new STORE module, which implements a uniform and URI based reader of 144 stores that can contain keys, certificates, CRLs and numerous other 145 objects. 146 o Move the display of configuration data to configdata.pm. 147 o Allow GNU style "make variables" to be used with Configure. 148 o Claim the namespaces OSSL and OPENSSL, represented as symbol prefixes 149 o Rewrite of devcrypto engine 150 151 Major changes between OpenSSL 1.1.0h and OpenSSL 1.1.0i [under development] 152 153 o Client DoS due to large DH parameter (CVE-2018-0732) 154 o Cache timing vulnerability in RSA Key Generation (CVE-2018-0737) 155 156 Major changes between OpenSSL 1.1.0g and OpenSSL 1.1.0h [under development] 157 158 o Constructed ASN.1 types with a recursive definition could exceed the 159 stack (CVE-2018-0739) 160 o Incorrect CRYPTO_memcmp on HP-UX PA-RISC (CVE-2018-0733) 161 o rsaz_1024_mul_avx2 overflow bug on x86_64 (CVE-2017-3738) 162 163 Major changes between OpenSSL 1.1.0f and OpenSSL 1.1.0g [2 Nov 2017] 164 165 o bn_sqrx8x_internal carry bug on x86_64 (CVE-2017-3736) 166 o Malformed X.509 IPAddressFamily could cause OOB read (CVE-2017-3735) 167 168 Major changes between OpenSSL 1.1.0e and OpenSSL 1.1.0f [25 May 2017] 169 170 o config now recognises 64-bit mingw and chooses mingw64 instead of mingw 171 172 Major changes between OpenSSL 1.1.0d and OpenSSL 1.1.0e [16 Feb 2017] 173 174 o Encrypt-Then-Mac renegotiation crash (CVE-2017-3733) 175 176 Major changes between OpenSSL 1.1.0c and OpenSSL 1.1.0d [26 Jan 2017] 177 178 o Truncated packet could crash via OOB read (CVE-2017-3731) 179 o Bad (EC)DHE parameters cause a client crash (CVE-2017-3730) 180 o BN_mod_exp may produce incorrect results on x86_64 (CVE-2017-3732) 181 182 Major changes between OpenSSL 1.1.0b and OpenSSL 1.1.0c [10 Nov 2016] 183 184 o ChaCha20/Poly1305 heap-buffer-overflow (CVE-2016-7054) 185 o CMS Null dereference (CVE-2016-7053) 186 o Montgomery multiplication may produce incorrect results (CVE-2016-7055) 187 188 Major changes between OpenSSL 1.1.0a and OpenSSL 1.1.0b [26 Sep 2016] 189 190 o Fix Use After Free for large message sizes (CVE-2016-6309) 191 192 Major changes between OpenSSL 1.1.0 and OpenSSL 1.1.0a [22 Sep 2016] 193 194 o OCSP Status Request extension unbounded memory growth (CVE-2016-6304) 195 o SSL_peek() hang on empty record (CVE-2016-6305) 196 o Excessive allocation of memory in tls_get_message_header() 197 (CVE-2016-6307) 198 o Excessive allocation of memory in dtls1_preprocess_fragment() 199 (CVE-2016-6308) 200 201 Major changes between OpenSSL 1.0.2h and OpenSSL 1.1.0 [25 Aug 2016] 202 203 o Copyright text was shrunk to a boilerplate that points to the license 204 o "shared" builds are now the default when possible 205 o Added support for "pipelining" 206 o Added the AFALG engine 207 o New threading API implemented 208 o Support for ChaCha20 and Poly1305 added to libcrypto and libssl 209 o Support for extended master secret 210 o CCM ciphersuites 211 o Reworked test suite, now based on perl, Test::Harness and Test::More 212 o *Most* libcrypto and libssl public structures were made opaque, 213 including: 214 BIGNUM and associated types, EC_KEY and EC_KEY_METHOD, 215 DH and DH_METHOD, DSA and DSA_METHOD, RSA and RSA_METHOD, 216 BIO and BIO_METHOD, EVP_MD_CTX, EVP_MD, EVP_CIPHER_CTX, 217 EVP_CIPHER, EVP_PKEY and associated types, HMAC_CTX, 218 X509, X509_CRL, X509_OBJECT, X509_STORE_CTX, X509_STORE, 219 X509_LOOKUP, X509_LOOKUP_METHOD 220 o libssl internal structures made opaque 221 o SSLv2 support removed 222 o Kerberos ciphersuite support removed 223 o RC4 removed from DEFAULT ciphersuites in libssl 224 o 40 and 56 bit cipher support removed from libssl 225 o All public header files moved to include/openssl, no more symlinking 226 o SSL/TLS state machine, version negotiation and record layer rewritten 227 o EC revision: now operations use new EC_KEY_METHOD. 228 o Support for OCB mode added to libcrypto 229 o Support for asynchronous crypto operations added to libcrypto and libssl 230 o Deprecated interfaces can now be disabled at build time either 231 relative to the latest release via the "no-deprecated" Configure 232 argument, or via the "--api=1.1.0|1.0.0|0.9.8" option. 233 o Application software can be compiled with -DOPENSSL_API_COMPAT=version 234 to ensure that features deprecated in that version are not exposed. 235 o Support for RFC6698/RFC7671 DANE TLSA peer authentication 236 o Change of Configure to use --prefix as the main installation 237 directory location rather than --openssldir. The latter becomes 238 the directory for certs, private key and openssl.cnf exclusively. 239 o Reworked BIO networking library, with full support for IPv6. 240 o New "unified" build system 241 o New security levels 242 o Support for scrypt algorithm 243 o Support for X25519 244 o Extended SSL_CONF support using configuration files 245 o KDF algorithm support. Implement TLS PRF as a KDF. 246 o Support for Certificate Transparency 247 o HKDF support. 248 249 Major changes between OpenSSL 1.0.2g and OpenSSL 1.0.2h [3 May 2016] 250 251 o Prevent padding oracle in AES-NI CBC MAC check (CVE-2016-2107) 252 o Fix EVP_EncodeUpdate overflow (CVE-2016-2105) 253 o Fix EVP_EncryptUpdate overflow (CVE-2016-2106) 254 o Prevent ASN.1 BIO excessive memory allocation (CVE-2016-2109) 255 o EBCDIC overread (CVE-2016-2176) 256 o Modify behavior of ALPN to invoke callback after SNI/servername 257 callback, such that updates to the SSL_CTX affect ALPN. 258 o Remove LOW from the DEFAULT cipher list. This removes singles DES from 259 the default. 260 o Only remove the SSLv2 methods with the no-ssl2-method option. 261 262 Major changes between OpenSSL 1.0.2f and OpenSSL 1.0.2g [1 Mar 2016] 263 264 o Disable weak ciphers in SSLv3 and up in default builds of OpenSSL. 265 o Disable SSLv2 default build, default negotiation and weak ciphers 266 (CVE-2016-0800) 267 o Fix a double-free in DSA code (CVE-2016-0705) 268 o Disable SRP fake user seed to address a server memory leak 269 (CVE-2016-0798) 270 o Fix BN_hex2bn/BN_dec2bn NULL pointer deref/heap corruption 271 (CVE-2016-0797) 272 o Fix memory issues in BIO_*printf functions (CVE-2016-0799) 273 o Fix side channel attack on modular exponentiation (CVE-2016-0702) 274 275 Major changes between OpenSSL 1.0.2e and OpenSSL 1.0.2f [28 Jan 2016] 276 277 o DH small subgroups (CVE-2016-0701) 278 o SSLv2 doesn't block disabled ciphers (CVE-2015-3197) 279 280 Major changes between OpenSSL 1.0.2d and OpenSSL 1.0.2e [3 Dec 2015] 281 282 o BN_mod_exp may produce incorrect results on x86_64 (CVE-2015-3193) 283 o Certificate verify crash with missing PSS parameter (CVE-2015-3194) 284 o X509_ATTRIBUTE memory leak (CVE-2015-3195) 285 o Rewrite EVP_DecodeUpdate (base64 decoding) to fix several bugs 286 o In DSA_generate_parameters_ex, if the provided seed is too short, 287 return an error 288 289 Major changes between OpenSSL 1.0.2c and OpenSSL 1.0.2d [9 Jul 2015] 290 291 o Alternate chains certificate forgery (CVE-2015-1793) 292 o Race condition handling PSK identify hint (CVE-2015-3196) 293 294 Major changes between OpenSSL 1.0.2b and OpenSSL 1.0.2c [12 Jun 2015] 295 296 o Fix HMAC ABI incompatibility 297 298 Major changes between OpenSSL 1.0.2a and OpenSSL 1.0.2b [11 Jun 2015] 299 300 o Malformed ECParameters causes infinite loop (CVE-2015-1788) 301 o Exploitable out-of-bounds read in X509_cmp_time (CVE-2015-1789) 302 o PKCS7 crash with missing EnvelopedContent (CVE-2015-1790) 303 o CMS verify infinite loop with unknown hash function (CVE-2015-1792) 304 o Race condition handling NewSessionTicket (CVE-2015-1791) 305 306 Major changes between OpenSSL 1.0.2 and OpenSSL 1.0.2a [19 Mar 2015] 307 308 o OpenSSL 1.0.2 ClientHello sigalgs DoS fix (CVE-2015-0291) 309 o Multiblock corrupted pointer fix (CVE-2015-0290) 310 o Segmentation fault in DTLSv1_listen fix (CVE-2015-0207) 311 o Segmentation fault in ASN1_TYPE_cmp fix (CVE-2015-0286) 312 o Segmentation fault for invalid PSS parameters fix (CVE-2015-0208) 313 o ASN.1 structure reuse memory corruption fix (CVE-2015-0287) 314 o PKCS7 NULL pointer dereferences fix (CVE-2015-0289) 315 o DoS via reachable assert in SSLv2 servers fix (CVE-2015-0293) 316 o Empty CKE with client auth and DHE fix (CVE-2015-1787) 317 o Handshake with unseeded PRNG fix (CVE-2015-0285) 318 o Use After Free following d2i_ECPrivatekey error fix (CVE-2015-0209) 319 o X509_to_X509_REQ NULL pointer deref fix (CVE-2015-0288) 320 o Removed the export ciphers from the DEFAULT ciphers 321 322 Major changes between OpenSSL 1.0.1l and OpenSSL 1.0.2 [22 Jan 2015]: 323 324 o Suite B support for TLS 1.2 and DTLS 1.2 325 o Support for DTLS 1.2 326 o TLS automatic EC curve selection. 327 o API to set TLS supported signature algorithms and curves 328 o SSL_CONF configuration API. 329 o TLS Brainpool support. 330 o ALPN support. 331 o CMS support for RSA-PSS, RSA-OAEP, ECDH and X9.42 DH. 332 333 Major changes between OpenSSL 1.0.1k and OpenSSL 1.0.1l [15 Jan 2015] 334 335 o Build fixes for the Windows and OpenVMS platforms 336 337 Major changes between OpenSSL 1.0.1j and OpenSSL 1.0.1k [8 Jan 2015] 338 339 o Fix for CVE-2014-3571 340 o Fix for CVE-2015-0206 341 o Fix for CVE-2014-3569 342 o Fix for CVE-2014-3572 343 o Fix for CVE-2015-0204 344 o Fix for CVE-2015-0205 345 o Fix for CVE-2014-8275 346 o Fix for CVE-2014-3570 347 348 Major changes between OpenSSL 1.0.1i and OpenSSL 1.0.1j [15 Oct 2014] 349 350 o Fix for CVE-2014-3513 351 o Fix for CVE-2014-3567 352 o Mitigation for CVE-2014-3566 (SSL protocol vulnerability) 353 o Fix for CVE-2014-3568 354 355 Major changes between OpenSSL 1.0.1h and OpenSSL 1.0.1i [6 Aug 2014] 356 357 o Fix for CVE-2014-3512 358 o Fix for CVE-2014-3511 359 o Fix for CVE-2014-3510 360 o Fix for CVE-2014-3507 361 o Fix for CVE-2014-3506 362 o Fix for CVE-2014-3505 363 o Fix for CVE-2014-3509 364 o Fix for CVE-2014-5139 365 o Fix for CVE-2014-3508 366 367 Major changes between OpenSSL 1.0.1g and OpenSSL 1.0.1h [5 Jun 2014] 368 369 o Fix for CVE-2014-0224 370 o Fix for CVE-2014-0221 371 o Fix for CVE-2014-0198 372 o Fix for CVE-2014-0195 373 o Fix for CVE-2014-3470 374 o Fix for CVE-2010-5298 375 376 Major changes between OpenSSL 1.0.1f and OpenSSL 1.0.1g [7 Apr 2014] 377 378 o Fix for CVE-2014-0160 379 o Add TLS padding extension workaround for broken servers. 380 o Fix for CVE-2014-0076 381 382 Major changes between OpenSSL 1.0.1e and OpenSSL 1.0.1f [6 Jan 2014] 383 384 o Don't include gmt_unix_time in TLS server and client random values 385 o Fix for TLS record tampering bug CVE-2013-4353 386 o Fix for TLS version checking bug CVE-2013-6449 387 o Fix for DTLS retransmission bug CVE-2013-6450 388 389 Major changes between OpenSSL 1.0.1d and OpenSSL 1.0.1e [11 Feb 2013]: 390 391 o Corrected fix for CVE-2013-0169 392 393 Major changes between OpenSSL 1.0.1c and OpenSSL 1.0.1d [4 Feb 2013]: 394 395 o Fix renegotiation in TLS 1.1, 1.2 by using the correct TLS version. 396 o Include the fips configuration module. 397 o Fix OCSP bad key DoS attack CVE-2013-0166 398 o Fix for SSL/TLS/DTLS CBC plaintext recovery attack CVE-2013-0169 399 o Fix for TLS AESNI record handling flaw CVE-2012-2686 400 401 Major changes between OpenSSL 1.0.1b and OpenSSL 1.0.1c [10 May 2012]: 402 403 o Fix TLS/DTLS record length checking bug CVE-2012-2333 404 o Don't attempt to use non-FIPS composite ciphers in FIPS mode. 405 406 Major changes between OpenSSL 1.0.1a and OpenSSL 1.0.1b [26 Apr 2012]: 407 408 o Fix compilation error on non-x86 platforms. 409 o Make FIPS capable OpenSSL ciphers work in non-FIPS mode. 410 o Fix SSL_OP_NO_TLSv1_1 clash with SSL_OP_ALL in OpenSSL 1.0.0 411 412 Major changes between OpenSSL 1.0.1 and OpenSSL 1.0.1a [19 Apr 2012]: 413 414 o Fix for ASN1 overflow bug CVE-2012-2110 415 o Workarounds for some servers that hang on long client hellos. 416 o Fix SEGV in AES code. 417 418 Major changes between OpenSSL 1.0.0h and OpenSSL 1.0.1 [14 Mar 2012]: 419 420 o TLS/DTLS heartbeat support. 421 o SCTP support. 422 o RFC 5705 TLS key material exporter. 423 o RFC 5764 DTLS-SRTP negotiation. 424 o Next Protocol Negotiation. 425 o PSS signatures in certificates, requests and CRLs. 426 o Support for password based recipient info for CMS. 427 o Support TLS v1.2 and TLS v1.1. 428 o Preliminary FIPS capability for unvalidated 2.0 FIPS module. 429 o SRP support. 430 431 Major changes between OpenSSL 1.0.0g and OpenSSL 1.0.0h [12 Mar 2012]: 432 433 o Fix for CMS/PKCS#7 MMA CVE-2012-0884 434 o Corrected fix for CVE-2011-4619 435 o Various DTLS fixes. 436 437 Major changes between OpenSSL 1.0.0f and OpenSSL 1.0.0g [18 Jan 2012]: 438 439 o Fix for DTLS DoS issue CVE-2012-0050 440 441 Major changes between OpenSSL 1.0.0e and OpenSSL 1.0.0f [4 Jan 2012]: 442 443 o Fix for DTLS plaintext recovery attack CVE-2011-4108 444 o Clear block padding bytes of SSL 3.0 records CVE-2011-4576 445 o Only allow one SGC handshake restart for SSL/TLS CVE-2011-4619 446 o Check parameters are not NULL in GOST ENGINE CVE-2012-0027 447 o Check for malformed RFC3779 data CVE-2011-4577 448 449 Major changes between OpenSSL 1.0.0d and OpenSSL 1.0.0e [6 Sep 2011]: 450 451 o Fix for CRL vulnerability issue CVE-2011-3207 452 o Fix for ECDH crashes CVE-2011-3210 453 o Protection against EC timing attacks. 454 o Support ECDH ciphersuites for certificates using SHA2 algorithms. 455 o Various DTLS fixes. 456 457 Major changes between OpenSSL 1.0.0c and OpenSSL 1.0.0d [8 Feb 2011]: 458 459 o Fix for security issue CVE-2011-0014 460 461 Major changes between OpenSSL 1.0.0b and OpenSSL 1.0.0c [2 Dec 2010]: 462 463 o Fix for security issue CVE-2010-4180 464 o Fix for CVE-2010-4252 465 o Fix mishandling of absent EC point format extension. 466 o Fix various platform compilation issues. 467 o Corrected fix for security issue CVE-2010-3864. 468 469 Major changes between OpenSSL 1.0.0a and OpenSSL 1.0.0b [16 Nov 2010]: 470 471 o Fix for security issue CVE-2010-3864. 472 o Fix for CVE-2010-2939 473 o Fix WIN32 build system for GOST ENGINE. 474 475 Major changes between OpenSSL 1.0.0 and OpenSSL 1.0.0a [1 Jun 2010]: 476 477 o Fix for security issue CVE-2010-1633. 478 o GOST MAC and CFB fixes. 479 480 Major changes between OpenSSL 0.9.8n and OpenSSL 1.0.0 [29 Mar 2010]: 481 482 o RFC3280 path validation: sufficient to process PKITS tests. 483 o Integrated support for PVK files and keyblobs. 484 o Change default private key format to PKCS#8. 485 o CMS support: able to process all examples in RFC4134 486 o Streaming ASN1 encode support for PKCS#7 and CMS. 487 o Multiple signer and signer add support for PKCS#7 and CMS. 488 o ASN1 printing support. 489 o Whirlpool hash algorithm added. 490 o RFC3161 time stamp support. 491 o New generalised public key API supporting ENGINE based algorithms. 492 o New generalised public key API utilities. 493 o New ENGINE supporting GOST algorithms. 494 o SSL/TLS GOST ciphersuite support. 495 o PKCS#7 and CMS GOST support. 496 o RFC4279 PSK ciphersuite support. 497 o Supported points format extension for ECC ciphersuites. 498 o ecdsa-with-SHA224/256/384/512 signature types. 499 o dsa-with-SHA224 and dsa-with-SHA256 signature types. 500 o Opaque PRF Input TLS extension support. 501 o Updated time routines to avoid OS limitations. 502 503 Major changes between OpenSSL 0.9.8m and OpenSSL 0.9.8n [24 Mar 2010]: 504 505 o CFB cipher definition fixes. 506 o Fix security issues CVE-2010-0740 and CVE-2010-0433. 507 508 Major changes between OpenSSL 0.9.8l and OpenSSL 0.9.8m [25 Feb 2010]: 509 510 o Cipher definition fixes. 511 o Workaround for slow RAND_poll() on some WIN32 versions. 512 o Remove MD2 from algorithm tables. 513 o SPKAC handling fixes. 514 o Support for RFC5746 TLS renegotiation extension. 515 o Compression memory leak fixed. 516 o Compression session resumption fixed. 517 o Ticket and SNI coexistence fixes. 518 o Many fixes to DTLS handling. 519 520 Major changes between OpenSSL 0.9.8k and OpenSSL 0.9.8l [5 Nov 2009]: 521 522 o Temporary work around for CVE-2009-3555: disable renegotiation. 523 524 Major changes between OpenSSL 0.9.8j and OpenSSL 0.9.8k [25 Mar 2009]: 525 526 o Fix various build issues. 527 o Fix security issues (CVE-2009-0590, CVE-2009-0591, CVE-2009-0789) 528 529 Major changes between OpenSSL 0.9.8i and OpenSSL 0.9.8j [7 Jan 2009]: 530 531 o Fix security issue (CVE-2008-5077) 532 o Merge FIPS 140-2 branch code. 533 534 Major changes between OpenSSL 0.9.8g and OpenSSL 0.9.8h [28 May 2008]: 535 536 o CryptoAPI ENGINE support. 537 o Various precautionary measures. 538 o Fix for bugs affecting certificate request creation. 539 o Support for local machine keyset attribute in PKCS#12 files. 540 541 Major changes between OpenSSL 0.9.8f and OpenSSL 0.9.8g [19 Oct 2007]: 542 543 o Backport of CMS functionality to 0.9.8. 544 o Fixes for bugs introduced with 0.9.8f. 545 546 Major changes between OpenSSL 0.9.8e and OpenSSL 0.9.8f [11 Oct 2007]: 547 548 o Add gcc 4.2 support. 549 o Add support for AES and SSE2 assembly language optimization 550 for VC++ build. 551 o Support for RFC4507bis and server name extensions if explicitly 552 selected at compile time. 553 o DTLS improvements. 554 o RFC4507bis support. 555 o TLS Extensions support. 556 557 Major changes between OpenSSL 0.9.8d and OpenSSL 0.9.8e [23 Feb 2007]: 558 559 o Various ciphersuite selection fixes. 560 o RFC3779 support. 561 562 Major changes between OpenSSL 0.9.8c and OpenSSL 0.9.8d [28 Sep 2006]: 563 564 o Introduce limits to prevent malicious key DoS (CVE-2006-2940) 565 o Fix security issues (CVE-2006-2937, CVE-2006-3737, CVE-2006-4343) 566 o Changes to ciphersuite selection algorithm 567 568 Major changes between OpenSSL 0.9.8b and OpenSSL 0.9.8c [5 Sep 2006]: 569 570 o Fix Daniel Bleichenbacher forged signature attack, CVE-2006-4339 571 o New cipher Camellia 572 573 Major changes between OpenSSL 0.9.8a and OpenSSL 0.9.8b [4 May 2006]: 574 575 o Cipher string fixes. 576 o Fixes for VC++ 2005. 577 o Updated ECC cipher suite support. 578 o New functions EVP_CIPHER_CTX_new() and EVP_CIPHER_CTX_free(). 579 o Zlib compression usage fixes. 580 o Built in dynamic engine compilation support on Win32. 581 o Fixes auto dynamic engine loading in Win32. 582 583 Major changes between OpenSSL 0.9.8 and OpenSSL 0.9.8a [11 Oct 2005]: 584 585 o Fix potential SSL 2.0 rollback, CVE-2005-2969 586 o Extended Windows CE support 587 588 Major changes between OpenSSL 0.9.7g and OpenSSL 0.9.8 [5 Jul 2005]: 589 590 o Major work on the BIGNUM library for higher efficiency and to 591 make operations more streamlined and less contradictory. This 592 is the result of a major audit of the BIGNUM library. 593 o Addition of BIGNUM functions for fields GF(2^m) and NIST 594 curves, to support the Elliptic Crypto functions. 595 o Major work on Elliptic Crypto; ECDH and ECDSA added, including 596 the use through EVP, X509 and ENGINE. 597 o New ASN.1 mini-compiler that's usable through the OpenSSL 598 configuration file. 599 o Added support for ASN.1 indefinite length constructed encoding. 600 o New PKCS#12 'medium level' API to manipulate PKCS#12 files. 601 o Complete rework of shared library construction and linking 602 programs with shared or static libraries, through a separate 603 Makefile.shared. 604 o Rework of the passing of parameters from one Makefile to another. 605 o Changed ENGINE framework to load dynamic engine modules 606 automatically from specifically given directories. 607 o New structure and ASN.1 functions for CertificatePair. 608 o Changed the ZLIB compression method to be stateful. 609 o Changed the key-generation and primality testing "progress" 610 mechanism to take a structure that contains the ticker 611 function and an argument. 612 o New engine module: GMP (performs private key exponentiation). 613 o New engine module: VIA PadLOck ACE extension in VIA C3 614 Nehemiah processors. 615 o Added support for IPv6 addresses in certificate extensions. 616 See RFC 1884, section 2.2. 617 o Added support for certificate policy mappings, policy 618 constraints and name constraints. 619 o Added support for multi-valued AVAs in the OpenSSL 620 configuration file. 621 o Added support for multiple certificates with the same subject 622 in the 'openssl ca' index file. 623 o Make it possible to create self-signed certificates using 624 'openssl ca -selfsign'. 625 o Make it possible to generate a serial number file with 626 'openssl ca -create_serial'. 627 o New binary search functions with extended functionality. 628 o New BUF functions. 629 o New STORE structure and library to provide an interface to all 630 sorts of data repositories. Supports storage of public and 631 private keys, certificates, CRLs, numbers and arbitrary blobs. 632 This library is unfortunately unfinished and unused within 633 OpenSSL. 634 o New control functions for the error stack. 635 o Changed the PKCS#7 library to support one-pass S/MIME 636 processing. 637 o Added the possibility to compile without old deprecated 638 functionality with the OPENSSL_NO_DEPRECATED macro or the 639 'no-deprecated' argument to the config and Configure scripts. 640 o Constification of all ASN.1 conversion functions, and other 641 affected functions. 642 o Improved platform support for PowerPC. 643 o New FIPS 180-2 algorithms (SHA-224, -256, -384 and -512). 644 o New X509_VERIFY_PARAM structure to support parameterisation 645 of X.509 path validation. 646 o Major overhaul of RC4 performance on Intel P4, IA-64 and 647 AMD64. 648 o Changed the Configure script to have some algorithms disabled 649 by default. Those can be explicitly enabled with the new 650 argument form 'enable-xxx'. 651 o Change the default digest in 'openssl' commands from MD5 to 652 SHA-1. 653 o Added support for DTLS. 654 o New BIGNUM blinding. 655 o Added support for the RSA-PSS encryption scheme 656 o Added support for the RSA X.931 padding. 657 o Added support for BSD sockets on NetWare. 658 o Added support for files larger than 2GB. 659 o Added initial support for Win64. 660 o Added alternate pkg-config files. 661 662 Major changes between OpenSSL 0.9.7l and OpenSSL 0.9.7m [23 Feb 2007]: 663 664 o FIPS 1.1.1 module linking. 665 o Various ciphersuite selection fixes. 666 667 Major changes between OpenSSL 0.9.7k and OpenSSL 0.9.7l [28 Sep 2006]: 668 669 o Introduce limits to prevent malicious key DoS (CVE-2006-2940) 670 o Fix security issues (CVE-2006-2937, CVE-2006-3737, CVE-2006-4343) 671 672 Major changes between OpenSSL 0.9.7j and OpenSSL 0.9.7k [5 Sep 2006]: 673 674 o Fix Daniel Bleichenbacher forged signature attack, CVE-2006-4339 675 676 Major changes between OpenSSL 0.9.7i and OpenSSL 0.9.7j [4 May 2006]: 677 678 o Visual C++ 2005 fixes. 679 o Update Windows build system for FIPS. 680 681 Major changes between OpenSSL 0.9.7h and OpenSSL 0.9.7i [14 Oct 2005]: 682 683 o Give EVP_MAX_MD_SIZE its old value, except for a FIPS build. 684 685 Major changes between OpenSSL 0.9.7g and OpenSSL 0.9.7h [11 Oct 2005]: 686 687 o Fix SSL 2.0 Rollback, CVE-2005-2969 688 o Allow use of fixed-length exponent on DSA signing 689 o Default fixed-window RSA, DSA, DH private-key operations 690 691 Major changes between OpenSSL 0.9.7f and OpenSSL 0.9.7g [11 Apr 2005]: 692 693 o More compilation issues fixed. 694 o Adaptation to more modern Kerberos API. 695 o Enhanced or corrected configuration for Solaris64, Mingw and Cygwin. 696 o Enhanced x86_64 assembler BIGNUM module. 697 o More constification. 698 o Added processing of proxy certificates (RFC 3820). 699 700 Major changes between OpenSSL 0.9.7e and OpenSSL 0.9.7f [22 Mar 2005]: 701 702 o Several compilation issues fixed. 703 o Many memory allocation failure checks added. 704 o Improved comparison of X509 Name type. 705 o Mandatory basic checks on certificates. 706 o Performance improvements. 707 708 Major changes between OpenSSL 0.9.7d and OpenSSL 0.9.7e [25 Oct 2004]: 709 710 o Fix race condition in CRL checking code. 711 o Fixes to PKCS#7 (S/MIME) code. 712 713 Major changes between OpenSSL 0.9.7c and OpenSSL 0.9.7d [17 Mar 2004]: 714 715 o Security: Fix Kerberos ciphersuite SSL/TLS handshaking bug 716 o Security: Fix null-pointer assignment in do_change_cipher_spec() 717 o Allow multiple active certificates with same subject in CA index 718 o Multiple X509 verification fixes 719 o Speed up HMAC and other operations 720 721 Major changes between OpenSSL 0.9.7b and OpenSSL 0.9.7c [30 Sep 2003]: 722 723 o Security: fix various ASN1 parsing bugs. 724 o New -ignore_err option to OCSP utility. 725 o Various interop and bug fixes in S/MIME code. 726 o SSL/TLS protocol fix for unrequested client certificates. 727 728 Major changes between OpenSSL 0.9.7a and OpenSSL 0.9.7b [10 Apr 2003]: 729 730 o Security: counter the Klima-Pokorny-Rosa extension of 731 Bleichbacher's attack 732 o Security: make RSA blinding default. 733 o Configuration: Irix fixes, AIX fixes, better mingw support. 734 o Support for new platforms: linux-ia64-ecc. 735 o Build: shared library support fixes. 736 o ASN.1: treat domainComponent correctly. 737 o Documentation: fixes and additions. 738 739 Major changes between OpenSSL 0.9.7 and OpenSSL 0.9.7a [19 Feb 2003]: 740 741 o Security: Important security related bugfixes. 742 o Enhanced compatibility with MIT Kerberos. 743 o Can be built without the ENGINE framework. 744 o IA32 assembler enhancements. 745 o Support for new platforms: FreeBSD/IA64 and FreeBSD/Sparc64. 746 o Configuration: the no-err option now works properly. 747 o SSL/TLS: now handles manual certificate chain building. 748 o SSL/TLS: certain session ID malfunctions corrected. 749 750 Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.7 [30 Dec 2002]: 751 752 o New library section OCSP. 753 o Complete rewrite of ASN1 code. 754 o CRL checking in verify code and openssl utility. 755 o Extension copying in 'ca' utility. 756 o Flexible display options in 'ca' utility. 757 o Provisional support for international characters with UTF8. 758 o Support for external crypto devices ('engine') is no longer 759 a separate distribution. 760 o New elliptic curve library section. 761 o New AES (Rijndael) library section. 762 o Support for new platforms: Windows CE, Tandem OSS, A/UX, AIX 64-bit, 763 Linux x86_64, Linux 64-bit on Sparc v9 764 o Extended support for some platforms: VxWorks 765 o Enhanced support for shared libraries. 766 o Now only builds PIC code when shared library support is requested. 767 o Support for pkg-config. 768 o Lots of new manuals. 769 o Makes symbolic links to or copies of manuals to cover all described 770 functions. 771 o Change DES API to clean up the namespace (some applications link also 772 against libdes providing similar functions having the same name). 773 Provide macros for backward compatibility (will be removed in the 774 future). 775 o Unify handling of cryptographic algorithms (software and engine) 776 to be available via EVP routines for asymmetric and symmetric ciphers. 777 o NCONF: new configuration handling routines. 778 o Change API to use more 'const' modifiers to improve error checking 779 and help optimizers. 780 o Finally remove references to RSAref. 781 o Reworked parts of the BIGNUM code. 782 o Support for new engines: Broadcom ubsec, Accelerated Encryption 783 Processing, IBM 4758. 784 o A few new engines added in the demos area. 785 o Extended and corrected OID (object identifier) table. 786 o PRNG: query at more locations for a random device, automatic query for 787 EGD style random sources at several locations. 788 o SSL/TLS: allow optional cipher choice according to server's preference. 789 o SSL/TLS: allow server to explicitly set new session ids. 790 o SSL/TLS: support Kerberos cipher suites (RFC2712). 791 Only supports MIT Kerberos for now. 792 o SSL/TLS: allow more precise control of renegotiations and sessions. 793 o SSL/TLS: add callback to retrieve SSL/TLS messages. 794 o SSL/TLS: support AES cipher suites (RFC3268). 795 796 Major changes between OpenSSL 0.9.6j and OpenSSL 0.9.6k [30 Sep 2003]: 797 798 o Security: fix various ASN1 parsing bugs. 799 o SSL/TLS protocol fix for unrequested client certificates. 800 801 Major changes between OpenSSL 0.9.6i and OpenSSL 0.9.6j [10 Apr 2003]: 802 803 o Security: counter the Klima-Pokorny-Rosa extension of 804 Bleichbacher's attack 805 o Security: make RSA blinding default. 806 o Build: shared library support fixes. 807 808 Major changes between OpenSSL 0.9.6h and OpenSSL 0.9.6i [19 Feb 2003]: 809 810 o Important security related bugfixes. 811 812 Major changes between OpenSSL 0.9.6g and OpenSSL 0.9.6h [5 Dec 2002]: 813 814 o New configuration targets for Tandem OSS and A/UX. 815 o New OIDs for Microsoft attributes. 816 o Better handling of SSL session caching. 817 o Better comparison of distinguished names. 818 o Better handling of shared libraries in a mixed GNU/non-GNU environment. 819 o Support assembler code with Borland C. 820 o Fixes for length problems. 821 o Fixes for uninitialised variables. 822 o Fixes for memory leaks, some unusual crashes and some race conditions. 823 o Fixes for smaller building problems. 824 o Updates of manuals, FAQ and other instructive documents. 825 826 Major changes between OpenSSL 0.9.6f and OpenSSL 0.9.6g [9 Aug 2002]: 827 828 o Important building fixes on Unix. 829 830 Major changes between OpenSSL 0.9.6e and OpenSSL 0.9.6f [8 Aug 2002]: 831 832 o Various important bugfixes. 833 834 Major changes between OpenSSL 0.9.6d and OpenSSL 0.9.6e [30 Jul 2002]: 835 836 o Important security related bugfixes. 837 o Various SSL/TLS library bugfixes. 838 839 Major changes between OpenSSL 0.9.6c and OpenSSL 0.9.6d [9 May 2002]: 840 841 o Various SSL/TLS library bugfixes. 842 o Fix DH parameter generation for 'non-standard' generators. 843 844 Major changes between OpenSSL 0.9.6b and OpenSSL 0.9.6c [21 Dec 2001]: 845 846 o Various SSL/TLS library bugfixes. 847 o BIGNUM library fixes. 848 o RSA OAEP and random number generation fixes. 849 o Object identifiers corrected and added. 850 o Add assembler BN routines for IA64. 851 o Add support for OS/390 Unix, UnixWare with gcc, OpenUNIX 8, 852 MIPS Linux; shared library support for Irix, HP-UX. 853 o Add crypto accelerator support for AEP, Baltimore SureWare, 854 Broadcom and Cryptographic Appliance's keyserver 855 [in 0.9.6c-engine release]. 856 857 Major changes between OpenSSL 0.9.6a and OpenSSL 0.9.6b [9 Jul 2001]: 858 859 o Security fix: PRNG improvements. 860 o Security fix: RSA OAEP check. 861 o Security fix: Reinsert and fix countermeasure to Bleichbacher's 862 attack. 863 o MIPS bug fix in BIGNUM. 864 o Bug fix in "openssl enc". 865 o Bug fix in X.509 printing routine. 866 o Bug fix in DSA verification routine and DSA S/MIME verification. 867 o Bug fix to make PRNG thread-safe. 868 o Bug fix in RAND_file_name(). 869 o Bug fix in compatibility mode trust settings. 870 o Bug fix in blowfish EVP. 871 o Increase default size for BIO buffering filter. 872 o Compatibility fixes in some scripts. 873 874 Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.6a [5 Apr 2001]: 875 876 o Security fix: change behavior of OpenSSL to avoid using 877 environment variables when running as root. 878 o Security fix: check the result of RSA-CRT to reduce the 879 possibility of deducing the private key from an incorrectly 880 calculated signature. 881 o Security fix: prevent Bleichenbacher's DSA attack. 882 o Security fix: Zero the premaster secret after deriving the 883 master secret in DH ciphersuites. 884 o Reimplement SSL_peek(), which had various problems. 885 o Compatibility fix: the function des_encrypt() renamed to 886 des_encrypt1() to avoid clashes with some Unixen libc. 887 o Bug fixes for Win32, HP/UX and Irix. 888 o Bug fixes in BIGNUM, SSL, PKCS#7, PKCS#12, X.509, CONF and 889 memory checking routines. 890 o Bug fixes for RSA operations in threaded environments. 891 o Bug fixes in misc. openssl applications. 892 o Remove a few potential memory leaks. 893 o Add tighter checks of BIGNUM routines. 894 o Shared library support has been reworked for generality. 895 o More documentation. 896 o New function BN_rand_range(). 897 o Add "-rand" option to openssl s_client and s_server. 898 899 Major changes between OpenSSL 0.9.5a and OpenSSL 0.9.6 [10 Oct 2000]: 900 901 o Some documentation for BIO and SSL libraries. 902 o Enhanced chain verification using key identifiers. 903 o New sign and verify options to 'dgst' application. 904 o Support for DER and PEM encoded messages in 'smime' application. 905 o New 'rsautl' application, low level RSA utility. 906 o MD4 now included. 907 o Bugfix for SSL rollback padding check. 908 o Support for external crypto devices [1]. 909 o Enhanced EVP interface. 910 911 [1] The support for external crypto devices is currently a separate 912 distribution. See the file README.ENGINE. 913 914 Major changes between OpenSSL 0.9.5 and OpenSSL 0.9.5a [1 Apr 2000]: 915 916 o Bug fixes for Win32, SuSE Linux, NeXTSTEP and FreeBSD 2.2.8 917 o Shared library support for HPUX and Solaris-gcc 918 o Support of Linux/IA64 919 o Assembler support for Mingw32 920 o New 'rand' application 921 o New way to check for existence of algorithms from scripts 922 923 Major changes between OpenSSL 0.9.4 and OpenSSL 0.9.5 [25 May 2000]: 924 925 o S/MIME support in new 'smime' command 926 o Documentation for the OpenSSL command line application 927 o Automation of 'req' application 928 o Fixes to make s_client, s_server work under Windows 929 o Support for multiple fieldnames in SPKACs 930 o New SPKAC command line utility and associated library functions 931 o Options to allow passwords to be obtained from various sources 932 o New public key PEM format and options to handle it 933 o Many other fixes and enhancements to command line utilities 934 o Usable certificate chain verification 935 o Certificate purpose checking 936 o Certificate trust settings 937 o Support of authority information access extension 938 o Extensions in certificate requests 939 o Simplified X509 name and attribute routines 940 o Initial (incomplete) support for international character sets 941 o New DH_METHOD, DSA_METHOD and enhanced RSA_METHOD 942 o Read only memory BIOs and simplified creation function 943 o TLS/SSL protocol bugfixes: Accept TLS 'client hello' in SSL 3.0 944 record; allow fragmentation and interleaving of handshake and other 945 data 946 o TLS/SSL code now "tolerates" MS SGC 947 o Work around for Netscape client certificate hang bug 948 o RSA_NULL option that removes RSA patent code but keeps other 949 RSA functionality 950 o Memory leak detection now allows applications to add extra information 951 via a per-thread stack 952 o PRNG robustness improved 953 o EGD support 954 o BIGNUM library bug fixes 955 o Faster DSA parameter generation 956 o Enhanced support for Alpha Linux 957 o Experimental MacOS support 958 959 Major changes between OpenSSL 0.9.3 and OpenSSL 0.9.4 [9 Aug 1999]: 960 961 o Transparent support for PKCS#8 format private keys: these are used 962 by several software packages and are more secure than the standard 963 form 964 o PKCS#5 v2.0 implementation 965 o Password callbacks have a new void * argument for application data 966 o Avoid various memory leaks 967 o New pipe-like BIO that allows using the SSL library when actual I/O 968 must be handled by the application (BIO pair) 969 970 Major changes between OpenSSL 0.9.2b and OpenSSL 0.9.3 [24 May 1999]: 971 o Lots of enhancements and cleanups to the Configuration mechanism 972 o RSA OEAP related fixes 973 o Added `openssl ca -revoke' option for revoking a certificate 974 o Source cleanups: const correctness, type-safe stacks and ASN.1 SETs 975 o Source tree cleanups: removed lots of obsolete files 976 o Thawte SXNet, certificate policies and CRL distribution points 977 extension support 978 o Preliminary (experimental) S/MIME support 979 o Support for ASN.1 UTF8String and VisibleString 980 o Full integration of PKCS#12 code 981 o Sparc assembler bignum implementation, optimized hash functions 982 o Option to disable selected ciphers 983 984 Major changes between OpenSSL 0.9.1c and OpenSSL 0.9.2b [22 Mar 1999]: 985 o Fixed a security hole related to session resumption 986 o Fixed RSA encryption routines for the p < q case 987 o "ALL" in cipher lists now means "everything except NULL ciphers" 988 o Support for Triple-DES CBCM cipher 989 o Support of Optimal Asymmetric Encryption Padding (OAEP) for RSA 990 o First support for new TLSv1 ciphers 991 o Added a few new BIOs (syslog BIO, reliable BIO) 992 o Extended support for DSA certificate/keys. 993 o Extended support for Certificate Signing Requests (CSR) 994 o Initial support for X.509v3 extensions 995 o Extended support for compression inside the SSL record layer 996 o Overhauled Win32 builds 997 o Cleanups and fixes to the Big Number (BN) library 998 o Support for ASN.1 GeneralizedTime 999 o Splitted ASN.1 SETs from SEQUENCEs 1000 o ASN1 and PEM support for Netscape Certificate Sequences 1001 o Overhauled Perl interface 1002 o Lots of source tree cleanups. 1003 o Lots of memory leak fixes. 1004 o Lots of bug fixes. 1005 1006 Major changes between SSLeay 0.9.0b and OpenSSL 0.9.1c [23 Dec 1998]: 1007 o Integration of the popular NO_RSA/NO_DSA patches 1008 o Initial support for compression inside the SSL record layer 1009 o Added BIO proxy and filtering functionality 1010 o Extended Big Number (BN) library 1011 o Added RIPE MD160 message digest 1012 o Added support for RC2/64bit cipher 1013 o Extended ASN.1 parser routines 1014 o Adjustments of the source tree for CVS 1015 o Support for various new platforms 1016