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3b52c2e7 RE |
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 | ||
3ba25ee8 | 8 | Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.7: |
83f25717 RL |
9 | |
10 | o New library section OCSP. | |
e4fb4977 LJ |
11 | o Complete rewrite of ASN1 code. |
12 | o CRL checking in verify code and openssl utility. | |
13 | o Extension copying in 'ca' utility. | |
14 | o Flexible display options in 'ca' utility. | |
15 | o Provisional support for international characters with UTF8. | |
4dec4f64 BM |
16 | o Support for external crypto devices ('engine') is no longer |
17 | a separate distribution. | |
e4fb4977 LJ |
18 | o New elliptic curve library section. |
19 | o New AES (Rijndael) library section. | |
20 | o Change DES API to clean up the namespace (some applications link also | |
21 | against libdes providing similar functions having the same name). | |
22 | Provide macros for backward compatibility (will be removed in the | |
23 | future). | |
24 | o Unifiy handling of cryptographic algorithms (software and | |
25 | engine) to be available via EVP routines for asymmetric and | |
26 | symmetric ciphers. | |
27 | o NCONF: new configuration handling routines. | |
28 | o Change API to use more 'const' modifiers to improve error checking | |
29 | and help optimizers. | |
30 | o Finally remove references to RSAref. | |
31 | o Reworked parts of the BIGNUM code. | |
32 | o Support for new engines: Broadcom ubsec, Accelerated Encryption | |
33 | Processing, IBM 4758. | |
34 | o PRNG: query at more locations for a random device, automatic query for | |
35 | EGD style random sources at several locations. | |
36 | o SSL/TLS: allow optional cipher choice according to server's preference. | |
37 | o SSL/TLS: allow server to explicitly set new session ids. | |
38 | o SSL/TLS: support Kerberos cipher suites (RFC2712). | |
39 | o SSL/TLS: allow more precise control of renegotiations and sessions. | |
40 | o SSL/TLS: add callback to retrieve SSL/TLS messages. | |
47234cd3 | 41 | o SSL/TLS: add draft AES ciphersuites (disabled unless explicitly requested). |
e4fb4977 | 42 | |
151457ab | 43 | Major changes between OpenSSL 0.9.6c and OpenSSL 0.9.6d: |
e4fb4977 LJ |
44 | |
45 | o Various SSL/TLS library bugfixes. | |
46 | o Fix DH parameter generation for 'non-standard' generators. | |
4dec4f64 | 47 | |
151457ab | 48 | Major changes between OpenSSL 0.9.6b and OpenSSL 0.9.6c: |
ae52ec98 BM |
49 | |
50 | o Various SSL/TLS library bugfixes. | |
51 | o BIGNUM library fixes. | |
ef5f6a08 RL |
52 | o RSA OAEP and random number generation fixes. |
53 | o Object identifiers corrected and added. | |
54 | o Add assembler BN routines for IA64. | |
55 | o Add support for OS/390 Unix, UnixWare with gcc, OpenUNIX 8, | |
56 | MIPS Linux; shared library support for Irix, HP-UX. | |
a3790c0d | 57 | o Add crypto accelerator support for AEP, Baltimore SureWare, |
ef5f6a08 RL |
58 | Broadcom and Cryptographic Appliance's keyserver |
59 | [in 0.9.6c-engine release]. | |
ae52ec98 | 60 | |
151457ab | 61 | Major changes between OpenSSL 0.9.6a and OpenSSL 0.9.6b: |
4dec4f64 BM |
62 | |
63 | o Security fix: PRNG improvements. | |
64 | o Security fix: RSA OAEP check. | |
65 | o Security fix: Reinsert and fix countermeasure to Bleichbacher's | |
66 | attack. | |
67 | o MIPS bug fix in BIGNUM. | |
68 | o Bug fix in "openssl enc". | |
69 | o Bug fix in X.509 printing routine. | |
70 | o Bug fix in DSA verification routine and DSA S/MIME verification. | |
71 | o Bug fix to make PRNG thread-safe. | |
72 | o Bug fix in RAND_file_name(). | |
73 | o Bug fix in compatibility mode trust settings. | |
74 | o Bug fix in blowfish EVP. | |
75 | o Increase default size for BIO buffering filter. | |
76 | o Compatibility fixes in some scripts. | |
83f25717 | 77 | |
7cdd2aa1 RL |
78 | Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.6a: |
79 | ||
80 | o Security fix: change behavior of OpenSSL to avoid using | |
81 | environment variables when running as root. | |
82 | o Security fix: check the result of RSA-CRT to reduce the | |
83 | possibility of deducing the private key from an incorrectly | |
84 | calculated signature. | |
85 | o Security fix: prevent Bleichenbacher's DSA attack. | |
86 | o Security fix: Zero the premaster secret after deriving the | |
87 | master secret in DH ciphersuites. | |
4fea8145 | 88 | o Reimplement SSL_peek(), which had various problems. |
307bf4da RL |
89 | o Compatibility fix: the function des_encrypt() renamed to |
90 | des_encrypt1() to avoid clashes with some Unixen libc. | |
7cdd2aa1 RL |
91 | o Bug fixes for Win32, HP/UX and Irix. |
92 | o Bug fixes in BIGNUM, SSL, PKCS#7, PKCS#12, X.509, CONF and | |
93 | memory checking routines. | |
94 | o Bug fixes for RSA operations in threaded enviroments. | |
95 | o Bug fixes in misc. openssl applications. | |
96 | o Remove a few potential memory leaks. | |
97 | o Add tighter checks of BIGNUM routines. | |
98 | o Shared library support has been reworked for generality. | |
99 | o More documentation. | |
4fea8145 | 100 | o New function BN_rand_range(). |
7cdd2aa1 RL |
101 | o Add "-rand" option to openssl s_client and s_server. |
102 | ||
4e87e05b DSH |
103 | Major changes between OpenSSL 0.9.5a and OpenSSL 0.9.6: |
104 | ||
105 | o Some documentation for BIO and SSL libraries. | |
106 | o Enhanced chain verification using key identifiers. | |
107 | o New sign and verify options to 'dgst' application. | |
108 | o Support for DER and PEM encoded messages in 'smime' application. | |
109 | o New 'rsautl' application, low level RSA utility. | |
b38d84d8 BM |
110 | o MD4 now included. |
111 | o Bugfix for SSL rollback padding check. | |
4dec4f64 | 112 | o Support for external crypto devices [1]. |
fda05b21 | 113 | o Enhanced EVP interface. |
b22bda21 | 114 | |
4dec4f64 BM |
115 | [1] The support for external crypto devices is currently a separate |
116 | distribution. See the file README.ENGINE. | |
117 | ||
35a79ecb RL |
118 | Major changes between OpenSSL 0.9.5 and OpenSSL 0.9.5a: |
119 | ||
b7a81df4 | 120 | o Bug fixes for Win32, SuSE Linux, NeXTSTEP and FreeBSD 2.2.8 |
35a79ecb RL |
121 | o Shared library support for HPUX and Solaris-gcc |
122 | o Support of Linux/IA64 | |
b7a81df4 | 123 | o Assembler support for Mingw32 |
35a79ecb RL |
124 | o New 'rand' application |
125 | o New way to check for existence of algorithms from scripts | |
126 | ||
0c235249 UM |
127 | Major changes between OpenSSL 0.9.4 and OpenSSL 0.9.5: |
128 | ||
90644dd7 | 129 | o S/MIME support in new 'smime' command |
0c235249 | 130 | o Documentation for the OpenSSL command line application |
90644dd7 DSH |
131 | o Automation of 'req' application |
132 | o Fixes to make s_client, s_server work under Windows | |
133 | o Support for multiple fieldnames in SPKACs | |
134 | o New SPKAC command line utilty and associated library functions | |
ae1bb4e5 | 135 | o Options to allow passwords to be obtained from various sources |
90644dd7 DSH |
136 | o New public key PEM format and options to handle it |
137 | o Many other fixes and enhancements to command line utilities | |
138 | o Usable certificate chain verification | |
139 | o Certificate purpose checking | |
140 | o Certificate trust settings | |
141 | o Support of authority information access extension | |
142 | o Extensions in certificate requests | |
143 | o Simplified X509 name and attribute routines | |
ae1bb4e5 | 144 | o Initial (incomplete) support for international character sets |
90644dd7 DSH |
145 | o New DH_METHOD, DSA_METHOD and enhanced RSA_METHOD |
146 | o Read only memory BIOs and simplified creation function | |
8bd5b794 BM |
147 | o TLS/SSL protocol bugfixes: Accept TLS 'client hello' in SSL 3.0 |
148 | record; allow fragmentation and interleaving of handshake and other | |
149 | data | |
90644dd7 | 150 | o TLS/SSL code now "tolerates" MS SGC |
8bd5b794 | 151 | o Work around for Netscape client certificate hang bug |
90644dd7 DSH |
152 | o RSA_NULL option that removes RSA patent code but keeps other |
153 | RSA functionality | |
07e6dbde BM |
154 | o Memory leak detection now allows applications to add extra information |
155 | via a per-thread stack | |
156 | o PRNG robustness improved | |
4d524e10 | 157 | o EGD support |
6d9ca500 | 158 | o BIGNUM library bug fixes |
4d524e10 | 159 | o Faster DSA parameter generation |
74235cc9 UM |
160 | o Enhanced support for Alpha Linux |
161 | o Experimental MacOS support | |
0c235249 | 162 | |
ed7f60fb DSH |
163 | Major changes between OpenSSL 0.9.3 and OpenSSL 0.9.4: |
164 | ||
165 | o Transparent support for PKCS#8 format private keys: these are used | |
c97cbcb3 BM |
166 | by several software packages and are more secure than the standard |
167 | form | |
168 | o PKCS#5 v2.0 implementation | |
169 | o Password callbacks have a new void * argument for application data | |
170 | o Avoid various memory leaks | |
171 | o New pipe-like BIO that allows using the SSL library when actual I/O | |
172 | must be handled by the application (BIO pair) | |
ed7f60fb | 173 | |
8e8a8a5f | 174 | Major changes between OpenSSL 0.9.2b and OpenSSL 0.9.3: |
9de649ff UM |
175 | o Lots of enhancements and cleanups to the Configuration mechanism |
176 | o RSA OEAP related fixes | |
8e8a8a5f RE |
177 | o Added `openssl ca -revoke' option for revoking a certificate |
178 | o Source cleanups: const correctness, type-safe stacks and ASN.1 SETs | |
179 | o Source tree cleanups: removed lots of obsolete files | |
703126f0 | 180 | o Thawte SXNet, certificate policies and CRL distribution points |
a03dd7a6 | 181 | extension support |
703126f0 DSH |
182 | o Preliminary (experimental) S/MIME support |
183 | o Support for ASN.1 UTF8String and VisibleString | |
184 | o Full integration of PKCS#12 code | |
2cf9fcda | 185 | o Sparc assembler bignum implementation, optimized hash functions |
b0759f87 | 186 | o Option to disable selected ciphers |
8e8a8a5f | 187 | |
d343d272 | 188 | Major changes between OpenSSL 0.9.1c and OpenSSL 0.9.2b: |
738769ff RE |
189 | o Fixed a security hole related to session resumption |
190 | o Fixed RSA encryption routines for the p < q case | |
191 | o "ALL" in cipher lists now means "everything except NULL ciphers" | |
3b52c2e7 RE |
192 | o Support for Triple-DES CBCM cipher |
193 | o Support of Optimal Asymmetric Encryption Padding (OAEP) for RSA | |
194 | o First support for new TLSv1 ciphers | |
195 | o Added a few new BIOs (syslog BIO, reliable BIO) | |
196 | o Extended support for DSA certificate/keys. | |
03e20a1a | 197 | o Extended support for Certificate Signing Requests (CSR) |
3b52c2e7 RE |
198 | o Initial support for X.509v3 extensions |
199 | o Extended support for compression inside the SSL record layer | |
200 | o Overhauled Win32 builds | |
201 | o Cleanups and fixes to the Big Number (BN) library | |
202 | o Support for ASN.1 GeneralizedTime | |
203 | o Splitted ASN.1 SETs from SEQUENCEs | |
204 | o ASN1 and PEM support for Netscape Certificate Sequences | |
205 | o Overhauled Perl interface | |
206 | o Lots of source tree cleanups. | |
207 | o Lots of memory leak fixes. | |
208 | o Lots of bug fixes. | |
209 | ||
210 | Major changes between SSLeay 0.9.0b and OpenSSL 0.9.1c: | |
211 | o Integration of the popular NO_RSA/NO_DSA patches | |
212 | o Initial support for compression inside the SSL record layer | |
213 | o Added BIO proxy and filtering functionality | |
214 | o Extended Big Number (BN) library | |
215 | o Added RIPE MD160 message digest | |
216 | o Addeed support for RC2/64bit cipher | |
217 | o Extended ASN.1 parser routines | |
218 | o Adjustations of the source tree for CVS | |
219 | o Support for various new platforms | |
220 |