NEWS revision 127128
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 0.9.7c and OpenSSL 0.9.7d: 9 10 o Security: Fix Kerberos ciphersuite SSL/TLS handshaking bug 11 o Security: Fix null-pointer assignment in do_change_cipher_spec() 12 o Allow multiple active certificates with same subject in CA index 13 o Multiple X590 verification fixes 14 o Speed up HMAC and other operations 15 16 Major changes between OpenSSL 0.9.7b and OpenSSL 0.9.7c: 17 18 o Security: fix various ASN1 parsing bugs. 19 o New -ignore_err option to OCSP utility. 20 o Various interop and bug fixes in S/MIME code. 21 o SSL/TLS protocol fix for unrequested client certificates. 22 23 Major changes between OpenSSL 0.9.7a and OpenSSL 0.9.7b: 24 25 o Security: counter the Klima-Pokorny-Rosa extension of 26 Bleichbacher's attack 27 o Security: make RSA blinding default. 28 o Configuration: Irix fixes, AIX fixes, better mingw support. 29 o Support for new platforms: linux-ia64-ecc. 30 o Build: shared library support fixes. 31 o ASN.1: treat domainComponent correctly. 32 o Documentation: fixes and additions. 33 34 Major changes between OpenSSL 0.9.7 and OpenSSL 0.9.7a: 35 36 o Security: Important security related bugfixes. 37 o Enhanced compatibility with MIT Kerberos. 38 o Can be built without the ENGINE framework. 39 o IA32 assembler enhancements. 40 o Support for new platforms: FreeBSD/IA64 and FreeBSD/Sparc64. 41 o Configuration: the no-err option now works properly. 42 o SSL/TLS: now handles manual certificate chain building. 43 o SSL/TLS: certain session ID malfunctions corrected. 44 45 Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.7: 46 47 o New library section OCSP. 48 o Complete rewrite of ASN1 code. 49 o CRL checking in verify code and openssl utility. 50 o Extension copying in 'ca' utility. 51 o Flexible display options in 'ca' utility. 52 o Provisional support for international characters with UTF8. 53 o Support for external crypto devices ('engine') is no longer 54 a separate distribution. 55 o New elliptic curve library section. 56 o New AES (Rijndael) library section. 57 o Support for new platforms: Windows CE, Tandem OSS, A/UX, AIX 64-bit, 58 Linux x86_64, Linux 64-bit on Sparc v9 59 o Extended support for some platforms: VxWorks 60 o Enhanced support for shared libraries. 61 o Now only builds PIC code when shared library support is requested. 62 o Support for pkg-config. 63 o Lots of new manuals. 64 o Makes symbolic links to or copies of manuals to cover all described 65 functions. 66 o Change DES API to clean up the namespace (some applications link also 67 against libdes providing similar functions having the same name). 68 Provide macros for backward compatibility (will be removed in the 69 future). 70 o Unify handling of cryptographic algorithms (software and engine) 71 to be available via EVP routines for asymmetric and symmetric ciphers. 72 o NCONF: new configuration handling routines. 73 o Change API to use more 'const' modifiers to improve error checking 74 and help optimizers. 75 o Finally remove references to RSAref. 76 o Reworked parts of the BIGNUM code. 77 o Support for new engines: Broadcom ubsec, Accelerated Encryption 78 Processing, IBM 4758. 79 o A few new engines added in the demos area. 80 o Extended and corrected OID (object identifier) table. 81 o PRNG: query at more locations for a random device, automatic query for 82 EGD style random sources at several locations. 83 o SSL/TLS: allow optional cipher choice according to server's preference. 84 o SSL/TLS: allow server to explicitly set new session ids. 85 o SSL/TLS: support Kerberos cipher suites (RFC2712). 86 Only supports MIT Kerberos for now. 87 o SSL/TLS: allow more precise control of renegotiations and sessions. 88 o SSL/TLS: add callback to retrieve SSL/TLS messages. 89 o SSL/TLS: support AES cipher suites (RFC3268). 90 91 Major changes between OpenSSL 0.9.6j and OpenSSL 0.9.6k: 92 93 o Security: fix various ASN1 parsing bugs. 94 o SSL/TLS protocol fix for unrequested client certificates. 95 96 Major changes between OpenSSL 0.9.6i and OpenSSL 0.9.6j: 97 98 o Security: counter the Klima-Pokorny-Rosa extension of 99 Bleichbacher's attack 100 o Security: make RSA blinding default. 101 o Build: shared library support fixes. 102 103 Major changes between OpenSSL 0.9.6h and OpenSSL 0.9.6i: 104 105 o Important security related bugfixes. 106 107 Major changes between OpenSSL 0.9.6g and OpenSSL 0.9.6h: 108 109 o New configuration targets for Tandem OSS and A/UX. 110 o New OIDs for Microsoft attributes. 111 o Better handling of SSL session caching. 112 o Better comparison of distinguished names. 113 o Better handling of shared libraries in a mixed GNU/non-GNU environment. 114 o Support assembler code with Borland C. 115 o Fixes for length problems. 116 o Fixes for uninitialised variables. 117 o Fixes for memory leaks, some unusual crashes and some race conditions. 118 o Fixes for smaller building problems. 119 o Updates of manuals, FAQ and other instructive documents. 120 121 Major changes between OpenSSL 0.9.6f and OpenSSL 0.9.6g: 122 123 o Important building fixes on Unix. 124 125 Major changes between OpenSSL 0.9.6e and OpenSSL 0.9.6f: 126 127 o Various important bugfixes. 128 129 Major changes between OpenSSL 0.9.6d and OpenSSL 0.9.6e: 130 131 o Important security related bugfixes. 132 o Various SSL/TLS library bugfixes. 133 134 Major changes between OpenSSL 0.9.6c and OpenSSL 0.9.6d: 135 136 o Various SSL/TLS library bugfixes. 137 o Fix DH parameter generation for 'non-standard' generators. 138 139 Major changes between OpenSSL 0.9.6b and OpenSSL 0.9.6c: 140 141 o Various SSL/TLS library bugfixes. 142 o BIGNUM library fixes. 143 o RSA OAEP and random number generation fixes. 144 o Object identifiers corrected and added. 145 o Add assembler BN routines for IA64. 146 o Add support for OS/390 Unix, UnixWare with gcc, OpenUNIX 8, 147 MIPS Linux; shared library support for Irix, HP-UX. 148 o Add crypto accelerator support for AEP, Baltimore SureWare, 149 Broadcom and Cryptographic Appliance's keyserver 150 [in 0.9.6c-engine release]. 151 152 Major changes between OpenSSL 0.9.6a and OpenSSL 0.9.6b: 153 154 o Security fix: PRNG improvements. 155 o Security fix: RSA OAEP check. 156 o Security fix: Reinsert and fix countermeasure to Bleichbacher's 157 attack. 158 o MIPS bug fix in BIGNUM. 159 o Bug fix in "openssl enc". 160 o Bug fix in X.509 printing routine. 161 o Bug fix in DSA verification routine and DSA S/MIME verification. 162 o Bug fix to make PRNG thread-safe. 163 o Bug fix in RAND_file_name(). 164 o Bug fix in compatibility mode trust settings. 165 o Bug fix in blowfish EVP. 166 o Increase default size for BIO buffering filter. 167 o Compatibility fixes in some scripts. 168 169 Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.6a: 170 171 o Security fix: change behavior of OpenSSL to avoid using 172 environment variables when running as root. 173 o Security fix: check the result of RSA-CRT to reduce the 174 possibility of deducing the private key from an incorrectly 175 calculated signature. 176 o Security fix: prevent Bleichenbacher's DSA attack. 177 o Security fix: Zero the premaster secret after deriving the 178 master secret in DH ciphersuites. 179 o Reimplement SSL_peek(), which had various problems. 180 o Compatibility fix: the function des_encrypt() renamed to 181 des_encrypt1() to avoid clashes with some Unixen libc. 182 o Bug fixes for Win32, HP/UX and Irix. 183 o Bug fixes in BIGNUM, SSL, PKCS#7, PKCS#12, X.509, CONF and 184 memory checking routines. 185 o Bug fixes for RSA operations in threaded environments. 186 o Bug fixes in misc. openssl applications. 187 o Remove a few potential memory leaks. 188 o Add tighter checks of BIGNUM routines. 189 o Shared library support has been reworked for generality. 190 o More documentation. 191 o New function BN_rand_range(). 192 o Add "-rand" option to openssl s_client and s_server. 193 194 Major changes between OpenSSL 0.9.5a and OpenSSL 0.9.6: 195 196 o Some documentation for BIO and SSL libraries. 197 o Enhanced chain verification using key identifiers. 198 o New sign and verify options to 'dgst' application. 199 o Support for DER and PEM encoded messages in 'smime' application. 200 o New 'rsautl' application, low level RSA utility. 201 o MD4 now included. 202 o Bugfix for SSL rollback padding check. 203 o Support for external crypto devices [1]. 204 o Enhanced EVP interface. 205 206 [1] The support for external crypto devices is currently a separate 207 distribution. See the file README.ENGINE. 208 209 Major changes between OpenSSL 0.9.5 and OpenSSL 0.9.5a: 210 211 o Bug fixes for Win32, SuSE Linux, NeXTSTEP and FreeBSD 2.2.8 212 o Shared library support for HPUX and Solaris-gcc 213 o Support of Linux/IA64 214 o Assembler support for Mingw32 215 o New 'rand' application 216 o New way to check for existence of algorithms from scripts 217 218 Major changes between OpenSSL 0.9.4 and OpenSSL 0.9.5: 219 220 o S/MIME support in new 'smime' command 221 o Documentation for the OpenSSL command line application 222 o Automation of 'req' application 223 o Fixes to make s_client, s_server work under Windows 224 o Support for multiple fieldnames in SPKACs 225 o New SPKAC command line utilty and associated library functions 226 o Options to allow passwords to be obtained from various sources 227 o New public key PEM format and options to handle it 228 o Many other fixes and enhancements to command line utilities 229 o Usable certificate chain verification 230 o Certificate purpose checking 231 o Certificate trust settings 232 o Support of authority information access extension 233 o Extensions in certificate requests 234 o Simplified X509 name and attribute routines 235 o Initial (incomplete) support for international character sets 236 o New DH_METHOD, DSA_METHOD and enhanced RSA_METHOD 237 o Read only memory BIOs and simplified creation function 238 o TLS/SSL protocol bugfixes: Accept TLS 'client hello' in SSL 3.0 239 record; allow fragmentation and interleaving of handshake and other 240 data 241 o TLS/SSL code now "tolerates" MS SGC 242 o Work around for Netscape client certificate hang bug 243 o RSA_NULL option that removes RSA patent code but keeps other 244 RSA functionality 245 o Memory leak detection now allows applications to add extra information 246 via a per-thread stack 247 o PRNG robustness improved 248 o EGD support 249 o BIGNUM library bug fixes 250 o Faster DSA parameter generation 251 o Enhanced support for Alpha Linux 252 o Experimental MacOS support 253 254 Major changes between OpenSSL 0.9.3 and OpenSSL 0.9.4: 255 256 o Transparent support for PKCS#8 format private keys: these are used 257 by several software packages and are more secure than the standard 258 form 259 o PKCS#5 v2.0 implementation 260 o Password callbacks have a new void * argument for application data 261 o Avoid various memory leaks 262 o New pipe-like BIO that allows using the SSL library when actual I/O 263 must be handled by the application (BIO pair) 264 265 Major changes between OpenSSL 0.9.2b and OpenSSL 0.9.3: 266 o Lots of enhancements and cleanups to the Configuration mechanism 267 o RSA OEAP related fixes 268 o Added `openssl ca -revoke' option for revoking a certificate 269 o Source cleanups: const correctness, type-safe stacks and ASN.1 SETs 270 o Source tree cleanups: removed lots of obsolete files 271 o Thawte SXNet, certificate policies and CRL distribution points 272 extension support 273 o Preliminary (experimental) S/MIME support 274 o Support for ASN.1 UTF8String and VisibleString 275 o Full integration of PKCS#12 code 276 o Sparc assembler bignum implementation, optimized hash functions 277 o Option to disable selected ciphers 278 279 Major changes between OpenSSL 0.9.1c and OpenSSL 0.9.2b: 280 o Fixed a security hole related to session resumption 281 o Fixed RSA encryption routines for the p < q case 282 o "ALL" in cipher lists now means "everything except NULL ciphers" 283 o Support for Triple-DES CBCM cipher 284 o Support of Optimal Asymmetric Encryption Padding (OAEP) for RSA 285 o First support for new TLSv1 ciphers 286 o Added a few new BIOs (syslog BIO, reliable BIO) 287 o Extended support for DSA certificate/keys. 288 o Extended support for Certificate Signing Requests (CSR) 289 o Initial support for X.509v3 extensions 290 o Extended support for compression inside the SSL record layer 291 o Overhauled Win32 builds 292 o Cleanups and fixes to the Big Number (BN) library 293 o Support for ASN.1 GeneralizedTime 294 o Splitted ASN.1 SETs from SEQUENCEs 295 o ASN1 and PEM support for Netscape Certificate Sequences 296 o Overhauled Perl interface 297 o Lots of source tree cleanups. 298 o Lots of memory leak fixes. 299 o Lots of bug fixes. 300 301 Major changes between SSLeay 0.9.0b and OpenSSL 0.9.1c: 302 o Integration of the popular NO_RSA/NO_DSA patches 303 o Initial support for compression inside the SSL record layer 304 o Added BIO proxy and filtering functionality 305 o Extended Big Number (BN) library 306 o Added RIPE MD160 message digest 307 o Addeed support for RC2/64bit cipher 308 o Extended ASN.1 parser routines 309 o Adjustations of the source tree for CVS 310 o Support for various new platforms 311 312