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 1.1.1v and OpenSSL 1.1.1w [11 Sep 2023] 9 10 o Fix POLY1305 MAC implementation corrupting XMM registers on Windows 11 (CVE-2023-4807) 12 13 Major changes between OpenSSL 1.1.1u and OpenSSL 1.1.1v [1 Aug 2023] 14 15 o Fix excessive time spent checking DH q parameter value (CVE-2023-3817) 16 o Fix DH_check() excessive time with over sized modulus (CVE-2023-3446) 17 18 Major changes between OpenSSL 1.1.1t and OpenSSL 1.1.1u [30 May 2023] 19 20 o Mitigate for very slow `OBJ_obj2txt()` performance with gigantic 21 OBJECT IDENTIFIER sub-identities. (CVE-2023-2650) 22 o Fixed documentation of X509_VERIFY_PARAM_add0_policy() (CVE-2023-0466) 23 o Fixed handling of invalid certificate policies in leaf certificates 24 (CVE-2023-0465) 25 o Limited the number of nodes created in a policy tree ([CVE-2023-0464]) 26 27 Major changes between OpenSSL 1.1.1s and OpenSSL 1.1.1t [7 Feb 2023] 28 29 o Fixed X.400 address type confusion in X.509 GeneralName (CVE-2023-0286) 30 o Fixed Use-after-free following BIO_new_NDEF (CVE-2023-0215) 31 o Fixed Double free after calling PEM_read_bio_ex (CVE-2022-4450) 32 o Fixed Timing Oracle in RSA Decryption (CVE-2022-4304) 33 34 Major changes between OpenSSL 1.1.1r and OpenSSL 1.1.1s [1 Nov 2022] 35 36 o Fixed a regression introduced in OpenSSL 1.1.1r not refreshing the 37 certificate data to be signed before signing the certificate. 38 39 Major changes between OpenSSL 1.1.1q and OpenSSL 1.1.1r [11 Oct 2022] 40 41 o Added a missing header for memcmp that caused compilation failure on 42 some platforms 43 44 Major changes between OpenSSL 1.1.1p and OpenSSL 1.1.1q [5 Jul 2022] 45 46 o Fixed AES OCB failure to encrypt some bytes on 32-bit x86 platforms 47 (CVE-2022-2097) 48 49 Major changes between OpenSSL 1.1.1o and OpenSSL 1.1.1p [21 Jun 2022] 50 51 o Fixed additional bugs in the c_rehash script which was not properly 52 sanitising shell metacharacters to prevent command injection 53 (CVE-2022-2068) 54 55 Major changes between OpenSSL 1.1.1n and OpenSSL 1.1.1o [3 May 2022] 56 57 o Fixed a bug in the c_rehash script which was not properly sanitising 58 shell metacharacters to prevent command injection (CVE-2022-1292) 59 60 Major changes between OpenSSL 1.1.1m and OpenSSL 1.1.1n [15 Mar 2022] 61 62 o Fixed a bug in the BN_mod_sqrt() function that can cause it to loop 63 forever for non-prime moduli (CVE-2022-0778) 64 65 Major changes between OpenSSL 1.1.1l and OpenSSL 1.1.1m [14 Dec 2021] 66 67 o None 68 69 Major changes between OpenSSL 1.1.1k and OpenSSL 1.1.1l [24 Aug 2021] 70 71 o Fixed an SM2 Decryption Buffer Overflow (CVE-2021-3711) 72 o Fixed various read buffer overruns processing ASN.1 strings (CVE-2021-3712) 73 74 Major changes between OpenSSL 1.1.1j and OpenSSL 1.1.1k [25 Mar 2021] 75 76 o Fixed a problem with verifying a certificate chain when using the 77 X509_V_FLAG_X509_STRICT flag (CVE-2021-3450) 78 o Fixed an issue where an OpenSSL TLS server may crash if sent a 79 maliciously crafted renegotiation ClientHello message from a client 80 (CVE-2021-3449) 81 82 Major changes between OpenSSL 1.1.1i and OpenSSL 1.1.1j [16 Feb 2021] 83 84 o Fixed a NULL pointer deref in the X509_issuer_and_serial_hash() 85 function (CVE-2021-23841) 86 o Fixed the RSA_padding_check_SSLv23() function and the RSA_SSLV23_PADDING 87 padding mode to correctly check for rollback attacks 88 o Fixed an overflow in the EVP_CipherUpdate, EVP_EncryptUpdate and 89 EVP_DecryptUpdate functions (CVE-2021-23840) 90 o Fixed SRP_Calc_client_key so that it runs in constant time 91 92 Major changes between OpenSSL 1.1.1h and OpenSSL 1.1.1i [8 Dec 2020] 93 94 o Fixed NULL pointer deref in GENERAL_NAME_cmp (CVE-2020-1971) 95 96 Major changes between OpenSSL 1.1.1g and OpenSSL 1.1.1h [22 Sep 2020] 97 98 o Disallow explicit curve parameters in verifications chains when 99 X509_V_FLAG_X509_STRICT is used 100 o Enable 'MinProtocol' and 'MaxProtocol' to configure both TLS and DTLS 101 contexts 102 o Oracle Developer Studio will start reporting deprecation warnings 103 104 Major changes between OpenSSL 1.1.1f and OpenSSL 1.1.1g [21 Apr 2020] 105 106 o Fixed segmentation fault in SSL_check_chain() (CVE-2020-1967) 107 108 Major changes between OpenSSL 1.1.1e and OpenSSL 1.1.1f [31 Mar 2020] 109 110 o Revert the unexpected EOF reporting via SSL_ERROR_SSL 111 112 Major changes between OpenSSL 1.1.1d and OpenSSL 1.1.1e [17 Mar 2020] 113 114 o Fixed an overflow bug in the x64_64 Montgomery squaring procedure 115 used in exponentiation with 512-bit moduli (CVE-2019-1551) 116 o Properly detect unexpected EOF while reading in libssl and report 117 it via SSL_ERROR_SSL 118 119 Major changes between OpenSSL 1.1.1c and OpenSSL 1.1.1d [10 Sep 2019] 120 121 o Fixed a fork protection issue (CVE-2019-1549) 122 o Fixed a padding oracle in PKCS7_dataDecode and CMS_decrypt_set1_pkey 123 (CVE-2019-1563) 124 o For built-in EC curves, ensure an EC_GROUP built from the curve name is 125 used even when parsing explicit parameters 126 o Compute ECC cofactors if not provided during EC_GROUP construction 127 (CVE-2019-1547) 128 o Early start up entropy quality from the DEVRANDOM seed source has been 129 improved for older Linux systems 130 o Correct the extended master secret constant on EBCDIC systems 131 o Use Windows installation paths in the mingw builds (CVE-2019-1552) 132 o Changed DH_check to accept parameters with order q and 2q subgroups 133 o Significantly reduce secure memory usage by the randomness pools 134 o Revert the DEVRANDOM_WAIT feature for Linux systems 135 136 Major changes between OpenSSL 1.1.1b and OpenSSL 1.1.1c [28 May 2019] 137 138 o Prevent over long nonces in ChaCha20-Poly1305 (CVE-2019-1543) 139 140 Major changes between OpenSSL 1.1.1a and OpenSSL 1.1.1b [26 Feb 2019] 141 142 o Change the info callback signals for the start and end of a post-handshake 143 message exchange in TLSv1.3. 144 o Fix a bug in DTLS over SCTP. This breaks interoperability with older versions 145 of OpenSSL like OpenSSL 1.1.0 and OpenSSL 1.0.2. 146 147 Major changes between OpenSSL 1.1.1 and OpenSSL 1.1.1a [20 Nov 2018] 148 149 o Timing vulnerability in DSA signature generation (CVE-2018-0734) 150 o Timing vulnerability in ECDSA signature generation (CVE-2018-0735) 151 152 Major changes between OpenSSL 1.1.0i and OpenSSL 1.1.1 [11 Sep 2018] 153 154 o Support for TLSv1.3 added (see https://wiki.openssl.org/index.php/TLS1.3 155 for further important information). The TLSv1.3 implementation includes: 156 o Fully compliant implementation of RFC8446 (TLSv1.3) on by default 157 o Early data (0-RTT) 158 o Post-handshake authentication and key update 159 o Middlebox Compatibility Mode 160 o TLSv1.3 PSKs 161 o Support for all five RFC8446 ciphersuites 162 o RSA-PSS signature algorithms (backported to TLSv1.2) 163 o Configurable session ticket support 164 o Stateless server support 165 o Rewrite of the packet construction code for "safer" packet handling 166 o Rewrite of the extension handling code 167 o Complete rewrite of the OpenSSL random number generator to introduce the 168 following capabilities 169 o The default RAND method now utilizes an AES-CTR DRBG according to 170 NIST standard SP 800-90Ar1. 171 o Support for multiple DRBG instances with seed chaining. 172 o There is a public and private DRBG instance. 173 o The DRBG instances are fork-safe. 174 o Keep all global DRBG instances on the secure heap if it is enabled. 175 o The public and private DRBG instance are per thread for lock free 176 operation 177 o Support for various new cryptographic algorithms including: 178 o SHA3 179 o SHA512/224 and SHA512/256 180 o EdDSA (both Ed25519 and Ed448) including X509 and TLS support 181 o X448 (adding to the existing X25519 support in 1.1.0) 182 o Multi-prime RSA 183 o SM2 184 o SM3 185 o SM4 186 o SipHash 187 o ARIA (including TLS support) 188 o Significant Side-Channel attack security improvements 189 o Add a new ClientHello callback to provide the ability to adjust the SSL 190 object at an early stage. 191 o Add 'Maximum Fragment Length' TLS extension negotiation and support 192 o A new STORE module, which implements a uniform and URI based reader of 193 stores that can contain keys, certificates, CRLs and numerous other 194 objects. 195 o Move the display of configuration data to configdata.pm. 196 o Allow GNU style "make variables" to be used with Configure. 197 o Claim the namespaces OSSL and OPENSSL, represented as symbol prefixes 198 o Rewrite of devcrypto engine 199 200 Major changes between OpenSSL 1.1.0h and OpenSSL 1.1.0i [under development] 201 202 o Client DoS due to large DH parameter (CVE-2018-0732) 203 o Cache timing vulnerability in RSA Key Generation (CVE-2018-0737) 204 205 Major changes between OpenSSL 1.1.0g and OpenSSL 1.1.0h [under development] 206 207 o Constructed ASN.1 types with a recursive definition could exceed the 208 stack (CVE-2018-0739) 209 o Incorrect CRYPTO_memcmp on HP-UX PA-RISC (CVE-2018-0733) 210 o rsaz_1024_mul_avx2 overflow bug on x86_64 (CVE-2017-3738) 211 212 Major changes between OpenSSL 1.1.0f and OpenSSL 1.1.0g [2 Nov 2017] 213 214 o bn_sqrx8x_internal carry bug on x86_64 (CVE-2017-3736) 215 o Malformed X.509 IPAddressFamily could cause OOB read (CVE-2017-3735) 216 217 Major changes between OpenSSL 1.1.0e and OpenSSL 1.1.0f [25 May 2017] 218 219 o config now recognises 64-bit mingw and chooses mingw64 instead of mingw 220 221 Major changes between OpenSSL 1.1.0d and OpenSSL 1.1.0e [16 Feb 2017] 222 223 o Encrypt-Then-Mac renegotiation crash (CVE-2017-3733) 224 225 Major changes between OpenSSL 1.1.0c and OpenSSL 1.1.0d [26 Jan 2017] 226 227 o Truncated packet could crash via OOB read (CVE-2017-3731) 228 o Bad (EC)DHE parameters cause a client crash (CVE-2017-3730) 229 o BN_mod_exp may produce incorrect results on x86_64 (CVE-2017-3732) 230 231 Major changes between OpenSSL 1.1.0b and OpenSSL 1.1.0c [10 Nov 2016] 232 233 o ChaCha20/Poly1305 heap-buffer-overflow (CVE-2016-7054) 234 o CMS Null dereference (CVE-2016-7053) 235 o Montgomery multiplication may produce incorrect results (CVE-2016-7055) 236 237 Major changes between OpenSSL 1.1.0a and OpenSSL 1.1.0b [26 Sep 2016] 238 239 o Fix Use After Free for large message sizes (CVE-2016-6309) 240 241 Major changes between OpenSSL 1.1.0 and OpenSSL 1.1.0a [22 Sep 2016] 242 243 o OCSP Status Request extension unbounded memory growth (CVE-2016-6304) 244 o SSL_peek() hang on empty record (CVE-2016-6305) 245 o Excessive allocation of memory in tls_get_message_header() 246 (CVE-2016-6307) 247 o Excessive allocation of memory in dtls1_preprocess_fragment() 248 (CVE-2016-6308) 249 250 Major changes between OpenSSL 1.0.2h and OpenSSL 1.1.0 [25 Aug 2016] 251 252 o Copyright text was shrunk to a boilerplate that points to the license 253 o "shared" builds are now the default when possible 254 o Added support for "pipelining" 255 o Added the AFALG engine 256 o New threading API implemented 257 o Support for ChaCha20 and Poly1305 added to libcrypto and libssl 258 o Support for extended master secret 259 o CCM ciphersuites 260 o Reworked test suite, now based on perl, Test::Harness and Test::More 261 o *Most* libcrypto and libssl public structures were made opaque, 262 including: 263 BIGNUM and associated types, EC_KEY and EC_KEY_METHOD, 264 DH and DH_METHOD, DSA and DSA_METHOD, RSA and RSA_METHOD, 265 BIO and BIO_METHOD, EVP_MD_CTX, EVP_MD, EVP_CIPHER_CTX, 266 EVP_CIPHER, EVP_PKEY and associated types, HMAC_CTX, 267 X509, X509_CRL, X509_OBJECT, X509_STORE_CTX, X509_STORE, 268 X509_LOOKUP, X509_LOOKUP_METHOD 269 o libssl internal structures made opaque 270 o SSLv2 support removed 271 o Kerberos ciphersuite support removed 272 o RC4 removed from DEFAULT ciphersuites in libssl 273 o 40 and 56 bit cipher support removed from libssl 274 o All public header files moved to include/openssl, no more symlinking 275 o SSL/TLS state machine, version negotiation and record layer rewritten 276 o EC revision: now operations use new EC_KEY_METHOD. 277 o Support for OCB mode added to libcrypto 278 o Support for asynchronous crypto operations added to libcrypto and libssl 279 o Deprecated interfaces can now be disabled at build time either 280 relative to the latest release via the "no-deprecated" Configure 281 argument, or via the "--api=1.1.0|1.0.0|0.9.8" option. 282 o Application software can be compiled with -DOPENSSL_API_COMPAT=version 283 to ensure that features deprecated in that version are not exposed. 284 o Support for RFC6698/RFC7671 DANE TLSA peer authentication 285 o Change of Configure to use --prefix as the main installation 286 directory location rather than --openssldir. The latter becomes 287 the directory for certs, private key and openssl.cnf exclusively. 288 o Reworked BIO networking library, with full support for IPv6. 289 o New "unified" build system 290 o New security levels 291 o Support for scrypt algorithm 292 o Support for X25519 293 o Extended SSL_CONF support using configuration files 294 o KDF algorithm support. Implement TLS PRF as a KDF. 295 o Support for Certificate Transparency 296 o HKDF support. 297 298 Major changes between OpenSSL 1.0.2g and OpenSSL 1.0.2h [3 May 2016] 299 300 o Prevent padding oracle in AES-NI CBC MAC check (CVE-2016-2107) 301 o Fix EVP_EncodeUpdate overflow (CVE-2016-2105) 302 o Fix EVP_EncryptUpdate overflow (CVE-2016-2106) 303 o Prevent ASN.1 BIO excessive memory allocation (CVE-2016-2109) 304 o EBCDIC overread (CVE-2016-2176) 305 o Modify behavior of ALPN to invoke callback after SNI/servername 306 callback, such that updates to the SSL_CTX affect ALPN. 307 o Remove LOW from the DEFAULT cipher list. This removes singles DES from 308 the default. 309 o Only remove the SSLv2 methods with the no-ssl2-method option. 310 311 Major changes between OpenSSL 1.0.2f and OpenSSL 1.0.2g [1 Mar 2016] 312 313 o Disable weak ciphers in SSLv3 and up in default builds of OpenSSL. 314 o Disable SSLv2 default build, default negotiation and weak ciphers 315 (CVE-2016-0800) 316 o Fix a double-free in DSA code (CVE-2016-0705) 317 o Disable SRP fake user seed to address a server memory leak 318 (CVE-2016-0798) 319 o Fix BN_hex2bn/BN_dec2bn NULL pointer deref/heap corruption 320 (CVE-2016-0797) 321 o Fix memory issues in BIO_*printf functions (CVE-2016-0799) 322 o Fix side channel attack on modular exponentiation (CVE-2016-0702) 323 324 Major changes between OpenSSL 1.0.2e and OpenSSL 1.0.2f [28 Jan 2016] 325 326 o DH small subgroups (CVE-2016-0701) 327 o SSLv2 doesn't block disabled ciphers (CVE-2015-3197) 328 329 Major changes between OpenSSL 1.0.2d and OpenSSL 1.0.2e [3 Dec 2015] 330 331 o BN_mod_exp may produce incorrect results on x86_64 (CVE-2015-3193) 332 o Certificate verify crash with missing PSS parameter (CVE-2015-3194) 333 o X509_ATTRIBUTE memory leak (CVE-2015-3195) 334 o Rewrite EVP_DecodeUpdate (base64 decoding) to fix several bugs 335 o In DSA_generate_parameters_ex, if the provided seed is too short, 336 return an error 337 338 Major changes between OpenSSL 1.0.2c and OpenSSL 1.0.2d [9 Jul 2015] 339 340 o Alternate chains certificate forgery (CVE-2015-1793) 341 o Race condition handling PSK identify hint (CVE-2015-3196) 342 343 Major changes between OpenSSL 1.0.2b and OpenSSL 1.0.2c [12 Jun 2015] 344 345 o Fix HMAC ABI incompatibility 346 347 Major changes between OpenSSL 1.0.2a and OpenSSL 1.0.2b [11 Jun 2015] 348 349 o Malformed ECParameters causes infinite loop (CVE-2015-1788) 350 o Exploitable out-of-bounds read in X509_cmp_time (CVE-2015-1789) 351 o PKCS7 crash with missing EnvelopedContent (CVE-2015-1790) 352 o CMS verify infinite loop with unknown hash function (CVE-2015-1792) 353 o Race condition handling NewSessionTicket (CVE-2015-1791) 354 355 Major changes between OpenSSL 1.0.2 and OpenSSL 1.0.2a [19 Mar 2015] 356 357 o OpenSSL 1.0.2 ClientHello sigalgs DoS fix (CVE-2015-0291) 358 o Multiblock corrupted pointer fix (CVE-2015-0290) 359 o Segmentation fault in DTLSv1_listen fix (CVE-2015-0207) 360 o Segmentation fault in ASN1_TYPE_cmp fix (CVE-2015-0286) 361 o Segmentation fault for invalid PSS parameters fix (CVE-2015-0208) 362 o ASN.1 structure reuse memory corruption fix (CVE-2015-0287) 363 o PKCS7 NULL pointer dereferences fix (CVE-2015-0289) 364 o DoS via reachable assert in SSLv2 servers fix (CVE-2015-0293) 365 o Empty CKE with client auth and DHE fix (CVE-2015-1787) 366 o Handshake with unseeded PRNG fix (CVE-2015-0285) 367 o Use After Free following d2i_ECPrivatekey error fix (CVE-2015-0209) 368 o X509_to_X509_REQ NULL pointer deref fix (CVE-2015-0288) 369 o Removed the export ciphers from the DEFAULT ciphers 370 371 Major changes between OpenSSL 1.0.1l and OpenSSL 1.0.2 [22 Jan 2015]: 372 373 o Suite B support for TLS 1.2 and DTLS 1.2 374 o Support for DTLS 1.2 375 o TLS automatic EC curve selection. 376 o API to set TLS supported signature algorithms and curves 377 o SSL_CONF configuration API. 378 o TLS Brainpool support. 379 o ALPN support. 380 o CMS support for RSA-PSS, RSA-OAEP, ECDH and X9.42 DH. 381 382 Major changes between OpenSSL 1.0.1k and OpenSSL 1.0.1l [15 Jan 2015] 383 384 o Build fixes for the Windows and OpenVMS platforms 385 386 Major changes between OpenSSL 1.0.1j and OpenSSL 1.0.1k [8 Jan 2015] 387 388 o Fix for CVE-2014-3571 389 o Fix for CVE-2015-0206 390 o Fix for CVE-2014-3569 391 o Fix for CVE-2014-3572 392 o Fix for CVE-2015-0204 393 o Fix for CVE-2015-0205 394 o Fix for CVE-2014-8275 395 o Fix for CVE-2014-3570 396 397 Major changes between OpenSSL 1.0.1i and OpenSSL 1.0.1j [15 Oct 2014] 398 399 o Fix for CVE-2014-3513 400 o Fix for CVE-2014-3567 401 o Mitigation for CVE-2014-3566 (SSL protocol vulnerability) 402 o Fix for CVE-2014-3568 403 404 Major changes between OpenSSL 1.0.1h and OpenSSL 1.0.1i [6 Aug 2014] 405 406 o Fix for CVE-2014-3512 407 o Fix for CVE-2014-3511 408 o Fix for CVE-2014-3510 409 o Fix for CVE-2014-3507 410 o Fix for CVE-2014-3506 411 o Fix for CVE-2014-3505 412 o Fix for CVE-2014-3509 413 o Fix for CVE-2014-5139 414 o Fix for CVE-2014-3508 415 416 Major changes between OpenSSL 1.0.1g and OpenSSL 1.0.1h [5 Jun 2014] 417 418 o Fix for CVE-2014-0224 419 o Fix for CVE-2014-0221 420 o Fix for CVE-2014-0198 421 o Fix for CVE-2014-0195 422 o Fix for CVE-2014-3470 423 o Fix for CVE-2010-5298 424 425 Major changes between OpenSSL 1.0.1f and OpenSSL 1.0.1g [7 Apr 2014] 426 427 o Fix for CVE-2014-0160 428 o Add TLS padding extension workaround for broken servers. 429 o Fix for CVE-2014-0076 430 431 Major changes between OpenSSL 1.0.1e and OpenSSL 1.0.1f [6 Jan 2014] 432 433 o Don't include gmt_unix_time in TLS server and client random values 434 o Fix for TLS record tampering bug CVE-2013-4353 435 o Fix for TLS version checking bug CVE-2013-6449 436 o Fix for DTLS retransmission bug CVE-2013-6450 437 438 Major changes between OpenSSL 1.0.1d and OpenSSL 1.0.1e [11 Feb 2013]: 439 440 o Corrected fix for CVE-2013-0169 441 442 Major changes between OpenSSL 1.0.1c and OpenSSL 1.0.1d [4 Feb 2013]: 443 444 o Fix renegotiation in TLS 1.1, 1.2 by using the correct TLS version. 445 o Include the fips configuration module. 446 o Fix OCSP bad key DoS attack CVE-2013-0166 447 o Fix for SSL/TLS/DTLS CBC plaintext recovery attack CVE-2013-0169 448 o Fix for TLS AESNI record handling flaw CVE-2012-2686 449 450 Major changes between OpenSSL 1.0.1b and OpenSSL 1.0.1c [10 May 2012]: 451 452 o Fix TLS/DTLS record length checking bug CVE-2012-2333 453 o Don't attempt to use non-FIPS composite ciphers in FIPS mode. 454 455 Major changes between OpenSSL 1.0.1a and OpenSSL 1.0.1b [26 Apr 2012]: 456 457 o Fix compilation error on non-x86 platforms. 458 o Make FIPS capable OpenSSL ciphers work in non-FIPS mode. 459 o Fix SSL_OP_NO_TLSv1_1 clash with SSL_OP_ALL in OpenSSL 1.0.0 460 461 Major changes between OpenSSL 1.0.1 and OpenSSL 1.0.1a [19 Apr 2012]: 462 463 o Fix for ASN1 overflow bug CVE-2012-2110 464 o Workarounds for some servers that hang on long client hellos. 465 o Fix SEGV in AES code. 466 467 Major changes between OpenSSL 1.0.0h and OpenSSL 1.0.1 [14 Mar 2012]: 468 469 o TLS/DTLS heartbeat support. 470 o SCTP support. 471 o RFC 5705 TLS key material exporter. 472 o RFC 5764 DTLS-SRTP negotiation. 473 o Next Protocol Negotiation. 474 o PSS signatures in certificates, requests and CRLs. 475 o Support for password based recipient info for CMS. 476 o Support TLS v1.2 and TLS v1.1. 477 o Preliminary FIPS capability for unvalidated 2.0 FIPS module. 478 o SRP support. 479 480 Major changes between OpenSSL 1.0.0g and OpenSSL 1.0.0h [12 Mar 2012]: 481 482 o Fix for CMS/PKCS#7 MMA CVE-2012-0884 483 o Corrected fix for CVE-2011-4619 484 o Various DTLS fixes. 485 486 Major changes between OpenSSL 1.0.0f and OpenSSL 1.0.0g [18 Jan 2012]: 487 488 o Fix for DTLS DoS issue CVE-2012-0050 489 490 Major changes between OpenSSL 1.0.0e and OpenSSL 1.0.0f [4 Jan 2012]: 491 492 o Fix for DTLS plaintext recovery attack CVE-2011-4108 493 o Clear block padding bytes of SSL 3.0 records CVE-2011-4576 494 o Only allow one SGC handshake restart for SSL/TLS CVE-2011-4619 495 o Check parameters are not NULL in GOST ENGINE CVE-2012-0027 496 o Check for malformed RFC3779 data CVE-2011-4577 497 498 Major changes between OpenSSL 1.0.0d and OpenSSL 1.0.0e [6 Sep 2011]: 499 500 o Fix for CRL vulnerability issue CVE-2011-3207 501 o Fix for ECDH crashes CVE-2011-3210 502 o Protection against EC timing attacks. 503 o Support ECDH ciphersuites for certificates using SHA2 algorithms. 504 o Various DTLS fixes. 505 506 Major changes between OpenSSL 1.0.0c and OpenSSL 1.0.0d [8 Feb 2011]: 507 508 o Fix for security issue CVE-2011-0014 509 510 Major changes between OpenSSL 1.0.0b and OpenSSL 1.0.0c [2 Dec 2010]: 511 512 o Fix for security issue CVE-2010-4180 513 o Fix for CVE-2010-4252 514 o Fix mishandling of absent EC point format extension. 515 o Fix various platform compilation issues. 516 o Corrected fix for security issue CVE-2010-3864. 517 518 Major changes between OpenSSL 1.0.0a and OpenSSL 1.0.0b [16 Nov 2010]: 519 520 o Fix for security issue CVE-2010-3864. 521 o Fix for CVE-2010-2939 522 o Fix WIN32 build system for GOST ENGINE. 523 524 Major changes between OpenSSL 1.0.0 and OpenSSL 1.0.0a [1 Jun 2010]: 525 526 o Fix for security issue CVE-2010-1633. 527 o GOST MAC and CFB fixes. 528 529 Major changes between OpenSSL 0.9.8n and OpenSSL 1.0.0 [29 Mar 2010]: 530 531 o RFC3280 path validation: sufficient to process PKITS tests. 532 o Integrated support for PVK files and keyblobs. 533 o Change default private key format to PKCS#8. 534 o CMS support: able to process all examples in RFC4134 535 o Streaming ASN1 encode support for PKCS#7 and CMS. 536 o Multiple signer and signer add support for PKCS#7 and CMS. 537 o ASN1 printing support. 538 o Whirlpool hash algorithm added. 539 o RFC3161 time stamp support. 540 o New generalised public key API supporting ENGINE based algorithms. 541 o New generalised public key API utilities. 542 o New ENGINE supporting GOST algorithms. 543 o SSL/TLS GOST ciphersuite support. 544 o PKCS#7 and CMS GOST support. 545 o RFC4279 PSK ciphersuite support. 546 o Supported points format extension for ECC ciphersuites. 547 o ecdsa-with-SHA224/256/384/512 signature types. 548 o dsa-with-SHA224 and dsa-with-SHA256 signature types. 549 o Opaque PRF Input TLS extension support. 550 o Updated time routines to avoid OS limitations. 551 552 Major changes between OpenSSL 0.9.8m and OpenSSL 0.9.8n [24 Mar 2010]: 553 554 o CFB cipher definition fixes. 555 o Fix security issues CVE-2010-0740 and CVE-2010-0433. 556 557 Major changes between OpenSSL 0.9.8l and OpenSSL 0.9.8m [25 Feb 2010]: 558 559 o Cipher definition fixes. 560 o Workaround for slow RAND_poll() on some WIN32 versions. 561 o Remove MD2 from algorithm tables. 562 o SPKAC handling fixes. 563 o Support for RFC5746 TLS renegotiation extension. 564 o Compression memory leak fixed. 565 o Compression session resumption fixed. 566 o Ticket and SNI coexistence fixes. 567 o Many fixes to DTLS handling. 568 569 Major changes between OpenSSL 0.9.8k and OpenSSL 0.9.8l [5 Nov 2009]: 570 571 o Temporary work around for CVE-2009-3555: disable renegotiation. 572 573 Major changes between OpenSSL 0.9.8j and OpenSSL 0.9.8k [25 Mar 2009]: 574 575 o Fix various build issues. 576 o Fix security issues (CVE-2009-0590, CVE-2009-0591, CVE-2009-0789) 577 578 Major changes between OpenSSL 0.9.8i and OpenSSL 0.9.8j [7 Jan 2009]: 579 580 o Fix security issue (CVE-2008-5077) 581 o Merge FIPS 140-2 branch code. 582 583 Major changes between OpenSSL 0.9.8g and OpenSSL 0.9.8h [28 May 2008]: 584 585 o CryptoAPI ENGINE support. 586 o Various precautionary measures. 587 o Fix for bugs affecting certificate request creation. 588 o Support for local machine keyset attribute in PKCS#12 files. 589 590 Major changes between OpenSSL 0.9.8f and OpenSSL 0.9.8g [19 Oct 2007]: 591 592 o Backport of CMS functionality to 0.9.8. 593 o Fixes for bugs introduced with 0.9.8f. 594 595 Major changes between OpenSSL 0.9.8e and OpenSSL 0.9.8f [11 Oct 2007]: 596 597 o Add gcc 4.2 support. 598 o Add support for AES and SSE2 assembly language optimization 599 for VC++ build. 600 o Support for RFC4507bis and server name extensions if explicitly 601 selected at compile time. 602 o DTLS improvements. 603 o RFC4507bis support. 604 o TLS Extensions support. 605 606 Major changes between OpenSSL 0.9.8d and OpenSSL 0.9.8e [23 Feb 2007]: 607 608 o Various ciphersuite selection fixes. 609 o RFC3779 support. 610 611 Major changes between OpenSSL 0.9.8c and OpenSSL 0.9.8d [28 Sep 2006]: 612 613 o Introduce limits to prevent malicious key DoS (CVE-2006-2940) 614 o Fix security issues (CVE-2006-2937, CVE-2006-3737, CVE-2006-4343) 615 o Changes to ciphersuite selection algorithm 616 617 Major changes between OpenSSL 0.9.8b and OpenSSL 0.9.8c [5 Sep 2006]: 618 619 o Fix Daniel Bleichenbacher forged signature attack, CVE-2006-4339 620 o New cipher Camellia 621 622 Major changes between OpenSSL 0.9.8a and OpenSSL 0.9.8b [4 May 2006]: 623 624 o Cipher string fixes. 625 o Fixes for VC++ 2005. 626 o Updated ECC cipher suite support. 627 o New functions EVP_CIPHER_CTX_new() and EVP_CIPHER_CTX_free(). 628 o Zlib compression usage fixes. 629 o Built in dynamic engine compilation support on Win32. 630 o Fixes auto dynamic engine loading in Win32. 631 632 Major changes between OpenSSL 0.9.8 and OpenSSL 0.9.8a [11 Oct 2005]: 633 634 o Fix potential SSL 2.0 rollback, CVE-2005-2969 635 o Extended Windows CE support 636 637 Major changes between OpenSSL 0.9.7g and OpenSSL 0.9.8 [5 Jul 2005]: 638 639 o Major work on the BIGNUM library for higher efficiency and to 640 make operations more streamlined and less contradictory. This 641 is the result of a major audit of the BIGNUM library. 642 o Addition of BIGNUM functions for fields GF(2^m) and NIST 643 curves, to support the Elliptic Crypto functions. 644 o Major work on Elliptic Crypto; ECDH and ECDSA added, including 645 the use through EVP, X509 and ENGINE. 646 o New ASN.1 mini-compiler that's usable through the OpenSSL 647 configuration file. 648 o Added support for ASN.1 indefinite length constructed encoding. 649 o New PKCS#12 'medium level' API to manipulate PKCS#12 files. 650 o Complete rework of shared library construction and linking 651 programs with shared or static libraries, through a separate 652 Makefile.shared. 653 o Rework of the passing of parameters from one Makefile to another. 654 o Changed ENGINE framework to load dynamic engine modules 655 automatically from specifically given directories. 656 o New structure and ASN.1 functions for CertificatePair. 657 o Changed the ZLIB compression method to be stateful. 658 o Changed the key-generation and primality testing "progress" 659 mechanism to take a structure that contains the ticker 660 function and an argument. 661 o New engine module: GMP (performs private key exponentiation). 662 o New engine module: VIA PadLOck ACE extension in VIA C3 663 Nehemiah processors. 664 o Added support for IPv6 addresses in certificate extensions. 665 See RFC 1884, section 2.2. 666 o Added support for certificate policy mappings, policy 667 constraints and name constraints. 668 o Added support for multi-valued AVAs in the OpenSSL 669 configuration file. 670 o Added support for multiple certificates with the same subject 671 in the 'openssl ca' index file. 672 o Make it possible to create self-signed certificates using 673 'openssl ca -selfsign'. 674 o Make it possible to generate a serial number file with 675 'openssl ca -create_serial'. 676 o New binary search functions with extended functionality. 677 o New BUF functions. 678 o New STORE structure and library to provide an interface to all 679 sorts of data repositories. Supports storage of public and 680 private keys, certificates, CRLs, numbers and arbitrary blobs. 681 This library is unfortunately unfinished and unused within 682 OpenSSL. 683 o New control functions for the error stack. 684 o Changed the PKCS#7 library to support one-pass S/MIME 685 processing. 686 o Added the possibility to compile without old deprecated 687 functionality with the OPENSSL_NO_DEPRECATED macro or the 688 'no-deprecated' argument to the config and Configure scripts. 689 o Constification of all ASN.1 conversion functions, and other 690 affected functions. 691 o Improved platform support for PowerPC. 692 o New FIPS 180-2 algorithms (SHA-224, -256, -384 and -512). 693 o New X509_VERIFY_PARAM structure to support parameterisation 694 of X.509 path validation. 695 o Major overhaul of RC4 performance on Intel P4, IA-64 and 696 AMD64. 697 o Changed the Configure script to have some algorithms disabled 698 by default. Those can be explicitly enabled with the new 699 argument form 'enable-xxx'. 700 o Change the default digest in 'openssl' commands from MD5 to 701 SHA-1. 702 o Added support for DTLS. 703 o New BIGNUM blinding. 704 o Added support for the RSA-PSS encryption scheme 705 o Added support for the RSA X.931 padding. 706 o Added support for BSD sockets on NetWare. 707 o Added support for files larger than 2GB. 708 o Added initial support for Win64. 709 o Added alternate pkg-config files. 710 711 Major changes between OpenSSL 0.9.7l and OpenSSL 0.9.7m [23 Feb 2007]: 712 713 o FIPS 1.1.1 module linking. 714 o Various ciphersuite selection fixes. 715 716 Major changes between OpenSSL 0.9.7k and OpenSSL 0.9.7l [28 Sep 2006]: 717 718 o Introduce limits to prevent malicious key DoS (CVE-2006-2940) 719 o Fix security issues (CVE-2006-2937, CVE-2006-3737, CVE-2006-4343) 720 721 Major changes between OpenSSL 0.9.7j and OpenSSL 0.9.7k [5 Sep 2006]: 722 723 o Fix Daniel Bleichenbacher forged signature attack, CVE-2006-4339 724 725 Major changes between OpenSSL 0.9.7i and OpenSSL 0.9.7j [4 May 2006]: 726 727 o Visual C++ 2005 fixes. 728 o Update Windows build system for FIPS. 729 730 Major changes between OpenSSL 0.9.7h and OpenSSL 0.9.7i [14 Oct 2005]: 731 732 o Give EVP_MAX_MD_SIZE its old value, except for a FIPS build. 733 734 Major changes between OpenSSL 0.9.7g and OpenSSL 0.9.7h [11 Oct 2005]: 735 736 o Fix SSL 2.0 Rollback, CVE-2005-2969 737 o Allow use of fixed-length exponent on DSA signing 738 o Default fixed-window RSA, DSA, DH private-key operations 739 740 Major changes between OpenSSL 0.9.7f and OpenSSL 0.9.7g [11 Apr 2005]: 741 742 o More compilation issues fixed. 743 o Adaptation to more modern Kerberos API. 744 o Enhanced or corrected configuration for Solaris64, Mingw and Cygwin. 745 o Enhanced x86_64 assembler BIGNUM module. 746 o More constification. 747 o Added processing of proxy certificates (RFC 3820). 748 749 Major changes between OpenSSL 0.9.7e and OpenSSL 0.9.7f [22 Mar 2005]: 750 751 o Several compilation issues fixed. 752 o Many memory allocation failure checks added. 753 o Improved comparison of X509 Name type. 754 o Mandatory basic checks on certificates. 755 o Performance improvements. 756 757 Major changes between OpenSSL 0.9.7d and OpenSSL 0.9.7e [25 Oct 2004]: 758 759 o Fix race condition in CRL checking code. 760 o Fixes to PKCS#7 (S/MIME) code. 761 762 Major changes between OpenSSL 0.9.7c and OpenSSL 0.9.7d [17 Mar 2004]: 763 764 o Security: Fix Kerberos ciphersuite SSL/TLS handshaking bug 765 o Security: Fix null-pointer assignment in do_change_cipher_spec() 766 o Allow multiple active certificates with same subject in CA index 767 o Multiple X509 verification fixes 768 o Speed up HMAC and other operations 769 770 Major changes between OpenSSL 0.9.7b and OpenSSL 0.9.7c [30 Sep 2003]: 771 772 o Security: fix various ASN1 parsing bugs. 773 o New -ignore_err option to OCSP utility. 774 o Various interop and bug fixes in S/MIME code. 775 o SSL/TLS protocol fix for unrequested client certificates. 776 777 Major changes between OpenSSL 0.9.7a and OpenSSL 0.9.7b [10 Apr 2003]: 778 779 o Security: counter the Klima-Pokorny-Rosa extension of 780 Bleichbacher's attack 781 o Security: make RSA blinding default. 782 o Configuration: Irix fixes, AIX fixes, better mingw support. 783 o Support for new platforms: linux-ia64-ecc. 784 o Build: shared library support fixes. 785 o ASN.1: treat domainComponent correctly. 786 o Documentation: fixes and additions. 787 788 Major changes between OpenSSL 0.9.7 and OpenSSL 0.9.7a [19 Feb 2003]: 789 790 o Security: Important security related bugfixes. 791 o Enhanced compatibility with MIT Kerberos. 792 o Can be built without the ENGINE framework. 793 o IA32 assembler enhancements. 794 o Support for new platforms: FreeBSD/IA64 and FreeBSD/Sparc64. 795 o Configuration: the no-err option now works properly. 796 o SSL/TLS: now handles manual certificate chain building. 797 o SSL/TLS: certain session ID malfunctions corrected. 798 799 Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.7 [30 Dec 2002]: 800 801 o New library section OCSP. 802 o Complete rewrite of ASN1 code. 803 o CRL checking in verify code and openssl utility. 804 o Extension copying in 'ca' utility. 805 o Flexible display options in 'ca' utility. 806 o Provisional support for international characters with UTF8. 807 o Support for external crypto devices ('engine') is no longer 808 a separate distribution. 809 o New elliptic curve library section. 810 o New AES (Rijndael) library section. 811 o Support for new platforms: Windows CE, Tandem OSS, A/UX, AIX 64-bit, 812 Linux x86_64, Linux 64-bit on Sparc v9 813 o Extended support for some platforms: VxWorks 814 o Enhanced support for shared libraries. 815 o Now only builds PIC code when shared library support is requested. 816 o Support for pkg-config. 817 o Lots of new manuals. 818 o Makes symbolic links to or copies of manuals to cover all described 819 functions. 820 o Change DES API to clean up the namespace (some applications link also 821 against libdes providing similar functions having the same name). 822 Provide macros for backward compatibility (will be removed in the 823 future). 824 o Unify handling of cryptographic algorithms (software and engine) 825 to be available via EVP routines for asymmetric and symmetric ciphers. 826 o NCONF: new configuration handling routines. 827 o Change API to use more 'const' modifiers to improve error checking 828 and help optimizers. 829 o Finally remove references to RSAref. 830 o Reworked parts of the BIGNUM code. 831 o Support for new engines: Broadcom ubsec, Accelerated Encryption 832 Processing, IBM 4758. 833 o A few new engines added in the demos area. 834 o Extended and corrected OID (object identifier) table. 835 o PRNG: query at more locations for a random device, automatic query for 836 EGD style random sources at several locations. 837 o SSL/TLS: allow optional cipher choice according to server's preference. 838 o SSL/TLS: allow server to explicitly set new session ids. 839 o SSL/TLS: support Kerberos cipher suites (RFC2712). 840 Only supports MIT Kerberos for now. 841 o SSL/TLS: allow more precise control of renegotiations and sessions. 842 o SSL/TLS: add callback to retrieve SSL/TLS messages. 843 o SSL/TLS: support AES cipher suites (RFC3268). 844 845 Major changes between OpenSSL 0.9.6j and OpenSSL 0.9.6k [30 Sep 2003]: 846 847 o Security: fix various ASN1 parsing bugs. 848 o SSL/TLS protocol fix for unrequested client certificates. 849 850 Major changes between OpenSSL 0.9.6i and OpenSSL 0.9.6j [10 Apr 2003]: 851 852 o Security: counter the Klima-Pokorny-Rosa extension of 853 Bleichbacher's attack 854 o Security: make RSA blinding default. 855 o Build: shared library support fixes. 856 857 Major changes between OpenSSL 0.9.6h and OpenSSL 0.9.6i [19 Feb 2003]: 858 859 o Important security related bugfixes. 860 861 Major changes between OpenSSL 0.9.6g and OpenSSL 0.9.6h [5 Dec 2002]: 862 863 o New configuration targets for Tandem OSS and A/UX. 864 o New OIDs for Microsoft attributes. 865 o Better handling of SSL session caching. 866 o Better comparison of distinguished names. 867 o Better handling of shared libraries in a mixed GNU/non-GNU environment. 868 o Support assembler code with Borland C. 869 o Fixes for length problems. 870 o Fixes for uninitialised variables. 871 o Fixes for memory leaks, some unusual crashes and some race conditions. 872 o Fixes for smaller building problems. 873 o Updates of manuals, FAQ and other instructive documents. 874 875 Major changes between OpenSSL 0.9.6f and OpenSSL 0.9.6g [9 Aug 2002]: 876 877 o Important building fixes on Unix. 878 879 Major changes between OpenSSL 0.9.6e and OpenSSL 0.9.6f [8 Aug 2002]: 880 881 o Various important bugfixes. 882 883 Major changes between OpenSSL 0.9.6d and OpenSSL 0.9.6e [30 Jul 2002]: 884 885 o Important security related bugfixes. 886 o Various SSL/TLS library bugfixes. 887 888 Major changes between OpenSSL 0.9.6c and OpenSSL 0.9.6d [9 May 2002]: 889 890 o Various SSL/TLS library bugfixes. 891 o Fix DH parameter generation for 'non-standard' generators. 892 893 Major changes between OpenSSL 0.9.6b and OpenSSL 0.9.6c [21 Dec 2001]: 894 895 o Various SSL/TLS library bugfixes. 896 o BIGNUM library fixes. 897 o RSA OAEP and random number generation fixes. 898 o Object identifiers corrected and added. 899 o Add assembler BN routines for IA64. 900 o Add support for OS/390 Unix, UnixWare with gcc, OpenUNIX 8, 901 MIPS Linux; shared library support for Irix, HP-UX. 902 o Add crypto accelerator support for AEP, Baltimore SureWare, 903 Broadcom and Cryptographic Appliance's keyserver 904 [in 0.9.6c-engine release]. 905 906 Major changes between OpenSSL 0.9.6a and OpenSSL 0.9.6b [9 Jul 2001]: 907 908 o Security fix: PRNG improvements. 909 o Security fix: RSA OAEP check. 910 o Security fix: Reinsert and fix countermeasure to Bleichbacher's 911 attack. 912 o MIPS bug fix in BIGNUM. 913 o Bug fix in "openssl enc". 914 o Bug fix in X.509 printing routine. 915 o Bug fix in DSA verification routine and DSA S/MIME verification. 916 o Bug fix to make PRNG thread-safe. 917 o Bug fix in RAND_file_name(). 918 o Bug fix in compatibility mode trust settings. 919 o Bug fix in blowfish EVP. 920 o Increase default size for BIO buffering filter. 921 o Compatibility fixes in some scripts. 922 923 Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.6a [5 Apr 2001]: 924 925 o Security fix: change behavior of OpenSSL to avoid using 926 environment variables when running as root. 927 o Security fix: check the result of RSA-CRT to reduce the 928 possibility of deducing the private key from an incorrectly 929 calculated signature. 930 o Security fix: prevent Bleichenbacher's DSA attack. 931 o Security fix: Zero the premaster secret after deriving the 932 master secret in DH ciphersuites. 933 o Reimplement SSL_peek(), which had various problems. 934 o Compatibility fix: the function des_encrypt() renamed to 935 des_encrypt1() to avoid clashes with some Unixen libc. 936 o Bug fixes for Win32, HP/UX and Irix. 937 o Bug fixes in BIGNUM, SSL, PKCS#7, PKCS#12, X.509, CONF and 938 memory checking routines. 939 o Bug fixes for RSA operations in threaded environments. 940 o Bug fixes in misc. openssl applications. 941 o Remove a few potential memory leaks. 942 o Add tighter checks of BIGNUM routines. 943 o Shared library support has been reworked for generality. 944 o More documentation. 945 o New function BN_rand_range(). 946 o Add "-rand" option to openssl s_client and s_server. 947 948 Major changes between OpenSSL 0.9.5a and OpenSSL 0.9.6 [10 Oct 2000]: 949 950 o Some documentation for BIO and SSL libraries. 951 o Enhanced chain verification using key identifiers. 952 o New sign and verify options to 'dgst' application. 953 o Support for DER and PEM encoded messages in 'smime' application. 954 o New 'rsautl' application, low level RSA utility. 955 o MD4 now included. 956 o Bugfix for SSL rollback padding check. 957 o Support for external crypto devices [1]. 958 o Enhanced EVP interface. 959 960 [1] The support for external crypto devices is currently a separate 961 distribution. See the file README.ENGINE. 962 963 Major changes between OpenSSL 0.9.5 and OpenSSL 0.9.5a [1 Apr 2000]: 964 965 o Bug fixes for Win32, SuSE Linux, NeXTSTEP and FreeBSD 2.2.8 966 o Shared library support for HPUX and Solaris-gcc 967 o Support of Linux/IA64 968 o Assembler support for Mingw32 969 o New 'rand' application 970 o New way to check for existence of algorithms from scripts 971 972 Major changes between OpenSSL 0.9.4 and OpenSSL 0.9.5 [25 May 2000]: 973 974 o S/MIME support in new 'smime' command 975 o Documentation for the OpenSSL command line application 976 o Automation of 'req' application 977 o Fixes to make s_client, s_server work under Windows 978 o Support for multiple fieldnames in SPKACs 979 o New SPKAC command line utility and associated library functions 980 o Options to allow passwords to be obtained from various sources 981 o New public key PEM format and options to handle it 982 o Many other fixes and enhancements to command line utilities 983 o Usable certificate chain verification 984 o Certificate purpose checking 985 o Certificate trust settings 986 o Support of authority information access extension 987 o Extensions in certificate requests 988 o Simplified X509 name and attribute routines 989 o Initial (incomplete) support for international character sets 990 o New DH_METHOD, DSA_METHOD and enhanced RSA_METHOD 991 o Read only memory BIOs and simplified creation function 992 o TLS/SSL protocol bugfixes: Accept TLS 'client hello' in SSL 3.0 993 record; allow fragmentation and interleaving of handshake and other 994 data 995 o TLS/SSL code now "tolerates" MS SGC 996 o Work around for Netscape client certificate hang bug 997 o RSA_NULL option that removes RSA patent code but keeps other 998 RSA functionality 999 o Memory leak detection now allows applications to add extra information 1000 via a per-thread stack 1001 o PRNG robustness improved 1002 o EGD support 1003 o BIGNUM library bug fixes 1004 o Faster DSA parameter generation 1005 o Enhanced support for Alpha Linux 1006 o Experimental MacOS support 1007 1008 Major changes between OpenSSL 0.9.3 and OpenSSL 0.9.4 [9 Aug 1999]: 1009 1010 o Transparent support for PKCS#8 format private keys: these are used 1011 by several software packages and are more secure than the standard 1012 form 1013 o PKCS#5 v2.0 implementation 1014 o Password callbacks have a new void * argument for application data 1015 o Avoid various memory leaks 1016 o New pipe-like BIO that allows using the SSL library when actual I/O 1017 must be handled by the application (BIO pair) 1018 1019 Major changes between OpenSSL 0.9.2b and OpenSSL 0.9.3 [24 May 1999]: 1020 o Lots of enhancements and cleanups to the Configuration mechanism 1021 o RSA OEAP related fixes 1022 o Added `openssl ca -revoke' option for revoking a certificate 1023 o Source cleanups: const correctness, type-safe stacks and ASN.1 SETs 1024 o Source tree cleanups: removed lots of obsolete files 1025 o Thawte SXNet, certificate policies and CRL distribution points 1026 extension support 1027 o Preliminary (experimental) S/MIME support 1028 o Support for ASN.1 UTF8String and VisibleString 1029 o Full integration of PKCS#12 code 1030 o Sparc assembler bignum implementation, optimized hash functions 1031 o Option to disable selected ciphers 1032 1033 Major changes between OpenSSL 0.9.1c and OpenSSL 0.9.2b [22 Mar 1999]: 1034 o Fixed a security hole related to session resumption 1035 o Fixed RSA encryption routines for the p < q case 1036 o "ALL" in cipher lists now means "everything except NULL ciphers" 1037 o Support for Triple-DES CBCM cipher 1038 o Support of Optimal Asymmetric Encryption Padding (OAEP) for RSA 1039 o First support for new TLSv1 ciphers 1040 o Added a few new BIOs (syslog BIO, reliable BIO) 1041 o Extended support for DSA certificate/keys. 1042 o Extended support for Certificate Signing Requests (CSR) 1043 o Initial support for X.509v3 extensions 1044 o Extended support for compression inside the SSL record layer 1045 o Overhauled Win32 builds 1046 o Cleanups and fixes to the Big Number (BN) library 1047 o Support for ASN.1 GeneralizedTime 1048 o Splitted ASN.1 SETs from SEQUENCEs 1049 o ASN1 and PEM support for Netscape Certificate Sequences 1050 o Overhauled Perl interface 1051 o Lots of source tree cleanups. 1052 o Lots of memory leak fixes. 1053 o Lots of bug fixes. 1054 1055 Major changes between SSLeay 0.9.0b and OpenSSL 0.9.1c [23 Dec 1998]: 1056 o Integration of the popular NO_RSA/NO_DSA patches 1057 o Initial support for compression inside the SSL record layer 1058 o Added BIO proxy and filtering functionality 1059 o Extended Big Number (BN) library 1060 o Added RIPE MD160 message digest 1061 o Added support for RC2/64bit cipher 1062 o Extended ASN.1 parser routines 1063 o Adjustments of the source tree for CVS 1064 o Support for various new platforms 1065