NEWS revision 101613
1170477Salc 2170477Salc NEWS 3170477Salc ==== 4170477Salc 5170477Salc This file gives a brief overview of the major changes between each OpenSSL 6170477Salc release. For more details please read the CHANGES file. 7170477Salc 8170477Salc Major changes between OpenSSL 0.9.6e and OpenSSL 0.9.6f: 9170477Salc 10170477Salc o Various important bugfixes. 11170477Salc 12170477Salc Major changes between OpenSSL 0.9.6d and OpenSSL 0.9.6e: 13170477Salc 14170477Salc o Important security related bugfixes. 15170477Salc o Various SSL/TLS library bugfixes. 16170477Salc 17170477Salc Major changes between OpenSSL 0.9.6c and OpenSSL 0.9.6d: 18170477Salc 19170477Salc o Various SSL/TLS library bugfixes. 20170477Salc o Fix DH parameter generation for 'non-standard' generators. 21170477Salc 22170477Salc Major changes between OpenSSL 0.9.6b and OpenSSL 0.9.6c: 23170477Salc 24170477Salc o Various SSL/TLS library bugfixes. 25170477Salc o BIGNUM library fixes. 26170477Salc o RSA OAEP and random number generation fixes. 27170477Salc o Object identifiers corrected and added. 28170477Salc o Add assembler BN routines for IA64. 29170477Salc o Add support for OS/390 Unix, UnixWare with gcc, OpenUNIX 8, 30170477Salc MIPS Linux; shared library support for Irix, HP-UX. 31170477Salc o Add crypto accelerator support for AEP, Baltimore SureWare, 32227568Salc Broadcom and Cryptographic Appliance's keyserver 33227568Salc [in 0.9.6c-engine release]. 34227568Salc 35227568Salc Major changes between OpenSSL 0.9.6a and OpenSSL 0.9.6b: 36227568Salc 37227568Salc o Security fix: PRNG improvements. 38227568Salc o Security fix: RSA OAEP check. 39170477Salc o Security fix: Reinsert and fix countermeasure to Bleichbacher's 40170477Salc attack. 41170477Salc o MIPS bug fix in BIGNUM. 42170477Salc o Bug fix in "openssl enc". 43246805Sjhb o Bug fix in X.509 printing routine. 44170477Salc o Bug fix in DSA verification routine and DSA S/MIME verification. 45170477Salc o Bug fix to make PRNG thread-safe. 46170477Salc o Bug fix in RAND_file_name(). 47170477Salc o Bug fix in compatibility mode trust settings. 48170477Salc o Bug fix in blowfish EVP. 49170477Salc o Increase default size for BIO buffering filter. 50170477Salc o Compatibility fixes in some scripts. 51250601Sattilio 52250601Sattilio Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.6a: 53250601Sattilio 54170477Salc o Security fix: change behavior of OpenSSL to avoid using 55170477Salc environment variables when running as root. 56170477Salc o Security fix: check the result of RSA-CRT to reduce the 57170477Salc possibility of deducing the private key from an incorrectly 58170477Salc calculated signature. 59170477Salc o Security fix: prevent Bleichenbacher's DSA attack. 60170477Salc o Security fix: Zero the premaster secret after deriving the 61170477Salc master secret in DH ciphersuites. 62170477Salc o Reimplement SSL_peek(), which had various problems. 63170477Salc o Compatibility fix: the function des_encrypt() renamed to 64170477Salc des_encrypt1() to avoid clashes with some Unixen libc. 65170477Salc o Bug fixes for Win32, HP/UX and Irix. 66170477Salc o Bug fixes in BIGNUM, SSL, PKCS#7, PKCS#12, X.509, CONF and 67170477Salc memory checking routines. 68254065Skib o Bug fixes for RSA operations in threaded environments. 69254065Skib o Bug fixes in misc. openssl applications. 70170477Salc o Remove a few potential memory leaks. 71210550Sjhb o Add tighter checks of BIGNUM routines. 72210550Sjhb o Shared library support has been reworked for generality. 73250601Sattilio o More documentation. 74250601Sattilio o New function BN_rand_range(). 75254065Skib o Add "-rand" option to openssl s_client and s_server. 76254065Skib 77170477Salc Major changes between OpenSSL 0.9.5a and OpenSSL 0.9.6: 78235372Skib 79235372Skib o Some documentation for BIO and SSL libraries. 80235372Skib o Enhanced chain verification using key identifiers. 81235372Skib o New sign and verify options to 'dgst' application. 82235372Skib o Support for DER and PEM encoded messages in 'smime' application. 83235372Skib o New 'rsautl' application, low level RSA utility. 84235372Skib o MD4 now included. 85254017Smarkj o Bugfix for SSL rollback padding check. 86235372Skib o Support for external crypto devices [1]. 87170477Salc o Enhanced EVP interface. 88250601Sattilio 89170477Salc [1] The support for external crypto devices is currently a separate 90170477Salc distribution. See the file README.ENGINE. 91170477Salc 92170477Salc Major changes between OpenSSL 0.9.5 and OpenSSL 0.9.5a: 93170477Salc 94170477Salc o Bug fixes for Win32, SuSE Linux, NeXTSTEP and FreeBSD 2.2.8 95170477Salc o Shared library support for HPUX and Solaris-gcc 96170477Salc o Support of Linux/IA64 97170477Salc o Assembler support for Mingw32 98170477Salc o New 'rand' application 99170477Salc o New way to check for existence of algorithms from scripts 100170477Salc 101170477Salc Major changes between OpenSSL 0.9.4 and OpenSSL 0.9.5: 102170477Salc 103170477Salc o S/MIME support in new 'smime' command 104250601Sattilio o Documentation for the OpenSSL command line application 105250601Sattilio o Automation of 'req' application 106210550Sjhb o Fixes to make s_client, s_server work under Windows 107250219Sjhb o Support for multiple fieldnames in SPKACs 108250219Sjhb o New SPKAC command line utilty and associated library functions 109210550Sjhb o Options to allow passwords to be obtained from various sources 110210550Sjhb o New public key PEM format and options to handle it 111170477Salc o Many other fixes and enhancements to command line utilities 112170477Salc o Usable certificate chain verification 113170477Salc o Certificate purpose checking 114170477Salc o Certificate trust settings 115170477Salc o Support of authority information access extension 116250601Sattilio o Extensions in certificate requests 117250601Sattilio o Simplified X509 name and attribute routines 118250601Sattilio o Initial (incomplete) support for international character sets 119250601Sattilio o New DH_METHOD, DSA_METHOD and enhanced RSA_METHOD 120250601Sattilio o Read only memory BIOs and simplified creation function 121250601Sattilio o TLS/SSL protocol bugfixes: Accept TLS 'client hello' in SSL 3.0 122250601Sattilio record; allow fragmentation and interleaving of handshake and other 123250601Sattilio data 124250601Sattilio o TLS/SSL code now "tolerates" MS SGC 125250601Sattilio o Work around for Netscape client certificate hang bug 126250601Sattilio o RSA_NULL option that removes RSA patent code but keeps other 127250601Sattilio RSA functionality 128250601Sattilio o Memory leak detection now allows applications to add extra information 129250601Sattilio via a per-thread stack 130250601Sattilio o PRNG robustness improved 131250601Sattilio o EGD support 132254065Skib o BIGNUM library bug fixes 133254065Skib o Faster DSA parameter generation 134254065Skib o Enhanced support for Alpha Linux 135254065Skib o Experimental MacOS support 136254065Skib 137254065Skib Major changes between OpenSSL 0.9.3 and OpenSSL 0.9.4: 138254065Skib 139254065Skib o Transparent support for PKCS#8 format private keys: these are used 140254065Skib by several software packages and are more secure than the standard 141254065Skib form 142254065Skib o PKCS#5 v2.0 implementation 143254065Skib o Password callbacks have a new void * argument for application data 144254065Skib o Avoid various memory leaks 145254065Skib o New pipe-like BIO that allows using the SSL library when actual I/O 146254065Skib must be handled by the application (BIO pair) 147254065Skib 148170477Salc Major changes between OpenSSL 0.9.2b and OpenSSL 0.9.3: 149170477Salc o Lots of enhancements and cleanups to the Configuration mechanism 150170477Salc o RSA OEAP related fixes 151170477Salc o Added `openssl ca -revoke' option for revoking a certificate 152170477Salc o Source cleanups: const correctness, type-safe stacks and ASN.1 SETs 153170477Salc o Source tree cleanups: removed lots of obsolete files 154170477Salc o Thawte SXNet, certificate policies and CRL distribution points 155170477Salc extension support 156170477Salc o Preliminary (experimental) S/MIME support 157250601Sattilio o Support for ASN.1 UTF8String and VisibleString 158170477Salc o Full integration of PKCS#12 code 159217916Smdf o Sparc assembler bignum implementation, optimized hash functions 160217916Smdf o Option to disable selected ciphers 161217916Smdf 162250601Sattilio Major changes between OpenSSL 0.9.1c and OpenSSL 0.9.2b: 163250601Sattilio o Fixed a security hole related to session resumption 164250601Sattilio o Fixed RSA encryption routines for the p < q case 165250601Sattilio o "ALL" in cipher lists now means "everything except NULL ciphers" 166250601Sattilio o Support for Triple-DES CBCM cipher 167250601Sattilio o Support of Optimal Asymmetric Encryption Padding (OAEP) for RSA 168250601Sattilio o First support for new TLSv1 ciphers 169250601Sattilio o Added a few new BIOs (syslog BIO, reliable BIO) 170250601Sattilio o Extended support for DSA certificate/keys. 171250601Sattilio o Extended support for Certificate Signing Requests (CSR) 172250601Sattilio o Initial support for X.509v3 extensions 173250601Sattilio o Extended support for compression inside the SSL record layer 174250601Sattilio o Overhauled Win32 builds 175250601Sattilio o Cleanups and fixes to the Big Number (BN) library 176250601Sattilio o Support for ASN.1 GeneralizedTime 177250601Sattilio o Splitted ASN.1 SETs from SEQUENCEs 178250601Sattilio o ASN1 and PEM support for Netscape Certificate Sequences 179250601Sattilio o Overhauled Perl interface 180250601Sattilio o Lots of source tree cleanups. 181250601Sattilio o Lots of memory leak fixes. 182250601Sattilio o Lots of bug fixes. 183250601Sattilio 184170477Salc Major changes between SSLeay 0.9.0b and OpenSSL 0.9.1c: 185170477Salc o Integration of the popular NO_RSA/NO_DSA patches 186170477Salc o Initial support for compression inside the SSL record layer 187250601Sattilio o Added BIO proxy and filtering functionality 188170477Salc o Extended Big Number (BN) library 189212750Smdf o Added RIPE MD160 message digest 190170477Salc o Addeed support for RC2/64bit cipher 191170477Salc o Extended ASN.1 parser routines 192170477Salc o Adjustations of the source tree for CVS 193170477Salc o Support for various new platforms 194170477Salc 195170477Salc