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