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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 1.1.1 and OpenSSL 3.0.0 [under development]
9
10 o Added error raising macros, ERR_raise() and ERR_raise_data().
11 o Deprecated ERR_put_error().
12 o Added OSSL_PROVIDER_available(), to check provider availibility.
13 o Added 'openssl mac' that uses the EVP_MAC API.
14 o Added 'openssl kdf' that uses the EVP_KDF API.
15 o Add OPENSSL_info() and 'openssl info' to get built-in data.
16 o Add support for enabling instrumentation through trace and debug
17 output.
18 o Changed our version number scheme and set the next major release to
19 3.0.0
20 o Added EVP_MAC, an EVP layer MAC API, and a generic EVP_PKEY to EVP_MAC
21 bridge.
22 o Removed the heartbeat message in DTLS feature.
23 o Added EVP_KDF, an EVP layer KDF API, and a generic EVP_PKEY to EVP_KDF
24 bridge.
25
26 Major changes between OpenSSL 1.1.1 and OpenSSL 1.1.1a [20 Nov 2018]
27
28 o Timing vulnerability in DSA signature generation (CVE-2018-0734)
29 o Timing vulnerability in ECDSA signature generation (CVE-2018-0735)
30
31 Major changes between OpenSSL 1.1.0i and OpenSSL 1.1.1 [11 Sep 2018]
32
33 o Support for TLSv1.3 added (see https://wiki.openssl.org/index.php/TLS1.3
34 for further important information). The TLSv1.3 implementation includes:
35 o Fully compliant implementation of RFC8446 (TLSv1.3) on by default
36 o Early data (0-RTT)
37 o Post-handshake authentication and key update
38 o Middlebox Compatibility Mode
39 o TLSv1.3 PSKs
40 o Support for all five RFC8446 ciphersuites
41 o RSA-PSS signature algorithms (backported to TLSv1.2)
42 o Configurable session ticket support
43 o Stateless server support
44 o Rewrite of the packet construction code for "safer" packet handling
45 o Rewrite of the extension handling code
46 o Complete rewrite of the OpenSSL random number generator to introduce the
47 following capabilities
48 o The default RAND method now utilizes an AES-CTR DRBG according to
49 NIST standard SP 800-90Ar1.
50 o Support for multiple DRBG instances with seed chaining.
51 o There is a public and private DRBG instance.
52 o The DRBG instances are fork-safe.
53 o Keep all global DRBG instances on the secure heap if it is enabled.
54 o The public and private DRBG instance are per thread for lock free
55 operation
56 o Support for various new cryptographic algorithms including:
57 o SHA3
58 o SHA512/224 and SHA512/256
59 o EdDSA (both Ed25519 and Ed448) including X509 and TLS support
60 o X448 (adding to the existing X25519 support in 1.1.0)
61 o Multi-prime RSA
62 o SM2
63 o SM3
64 o SM4
65 o SipHash
66 o ARIA (including TLS support)
67 o Significant Side-Channel attack security improvements
68 o Add a new ClientHello callback to provide the ability to adjust the SSL
69 object at an early stage.
70 o Add 'Maximum Fragment Length' TLS extension negotiation and support
71 o A new STORE module, which implements a uniform and URI based reader of
72 stores that can contain keys, certificates, CRLs and numerous other
73 objects.
74 o Move the display of configuration data to configdata.pm.
75 o Allow GNU style "make variables" to be used with Configure.
76 o Claim the namespaces OSSL and OPENSSL, represented as symbol prefixes
77 o Rewrite of devcrypto engine
78
79 Major changes between OpenSSL 1.1.0h and OpenSSL 1.1.0i [under development]
80
81 o Client DoS due to large DH parameter (CVE-2018-0732)
82 o Cache timing vulnerability in RSA Key Generation (CVE-2018-0737)
83
84 Major changes between OpenSSL 1.1.0g and OpenSSL 1.1.0h [under development]
85
86 o Constructed ASN.1 types with a recursive definition could exceed the
87 stack (CVE-2018-0739)
88 o Incorrect CRYPTO_memcmp on HP-UX PA-RISC (CVE-2018-0733)
89 o rsaz_1024_mul_avx2 overflow bug on x86_64 (CVE-2017-3738)
90
91 Major changes between OpenSSL 1.1.0f and OpenSSL 1.1.0g [2 Nov 2017]
92
93 o bn_sqrx8x_internal carry bug on x86_64 (CVE-2017-3736)
94 o Malformed X.509 IPAddressFamily could cause OOB read (CVE-2017-3735)
95
96 Major changes between OpenSSL 1.1.0e and OpenSSL 1.1.0f [25 May 2017]
97
98 o config now recognises 64-bit mingw and chooses mingw64 instead of mingw
99
100 Major changes between OpenSSL 1.1.0d and OpenSSL 1.1.0e [16 Feb 2017]
101
102 o Encrypt-Then-Mac renegotiation crash (CVE-2017-3733)
103
104 Major changes between OpenSSL 1.1.0c and OpenSSL 1.1.0d [26 Jan 2017]
105
106 o Truncated packet could crash via OOB read (CVE-2017-3731)
107 o Bad (EC)DHE parameters cause a client crash (CVE-2017-3730)
108 o BN_mod_exp may produce incorrect results on x86_64 (CVE-2017-3732)
109
110 Major changes between OpenSSL 1.1.0b and OpenSSL 1.1.0c [10 Nov 2016]
111
112 o ChaCha20/Poly1305 heap-buffer-overflow (CVE-2016-7054)
113 o CMS Null dereference (CVE-2016-7053)
114 o Montgomery multiplication may produce incorrect results (CVE-2016-7055)
115
116 Major changes between OpenSSL 1.1.0a and OpenSSL 1.1.0b [26 Sep 2016]
117
118 o Fix Use After Free for large message sizes (CVE-2016-6309)
119
120 Major changes between OpenSSL 1.1.0 and OpenSSL 1.1.0a [22 Sep 2016]
121
122 o OCSP Status Request extension unbounded memory growth (CVE-2016-6304)
123 o SSL_peek() hang on empty record (CVE-2016-6305)
124 o Excessive allocation of memory in tls_get_message_header()
125 (CVE-2016-6307)
126 o Excessive allocation of memory in dtls1_preprocess_fragment()
127 (CVE-2016-6308)
128
129 Major changes between OpenSSL 1.0.2h and OpenSSL 1.1.0 [25 Aug 2016]
130
131 o Copyright text was shrunk to a boilerplate that points to the license
132 o "shared" builds are now the default when possible
133 o Added support for "pipelining"
134 o Added the AFALG engine
135 o New threading API implemented
136 o Support for ChaCha20 and Poly1305 added to libcrypto and libssl
137 o Support for extended master secret
138 o CCM ciphersuites
139 o Reworked test suite, now based on perl, Test::Harness and Test::More
140 o *Most* libcrypto and libssl public structures were made opaque,
141 including:
142 BIGNUM and associated types, EC_KEY and EC_KEY_METHOD,
143 DH and DH_METHOD, DSA and DSA_METHOD, RSA and RSA_METHOD,
144 BIO and BIO_METHOD, EVP_MD_CTX, EVP_MD, EVP_CIPHER_CTX,
145 EVP_CIPHER, EVP_PKEY and associated types, HMAC_CTX,
146 X509, X509_CRL, X509_OBJECT, X509_STORE_CTX, X509_STORE,
147 X509_LOOKUP, X509_LOOKUP_METHOD
148 o libssl internal structures made opaque
149 o SSLv2 support removed
150 o Kerberos ciphersuite support removed
151 o RC4 removed from DEFAULT ciphersuites in libssl
152 o 40 and 56 bit cipher support removed from libssl
153 o All public header files moved to include/openssl, no more symlinking
154 o SSL/TLS state machine, version negotiation and record layer rewritten
155 o EC revision: now operations use new EC_KEY_METHOD.
156 o Support for OCB mode added to libcrypto
157 o Support for asynchronous crypto operations added to libcrypto and libssl
158 o Deprecated interfaces can now be disabled at build time either
159 relative to the latest release via the "no-deprecated" Configure
160 argument, or via the "--api=1.1.0|1.0.0|0.9.8" option.
161 o Application software can be compiled with -DOPENSSL_API_COMPAT=version
162 to ensure that features deprecated in that version are not exposed.
163 o Support for RFC6698/RFC7671 DANE TLSA peer authentication
164 o Change of Configure to use --prefix as the main installation
165 directory location rather than --openssldir. The latter becomes
166 the directory for certs, private key and openssl.cnf exclusively.
167 o Reworked BIO networking library, with full support for IPv6.
168 o New "unified" build system
169 o New security levels
170 o Support for scrypt algorithm
171 o Support for X25519
172 o Extended SSL_CONF support using configuration files
173 o KDF algorithm support. Implement TLS PRF as a KDF.
174 o Support for Certificate Transparency
175 o HKDF support.
176
177 Major changes between OpenSSL 1.0.2g and OpenSSL 1.0.2h [3 May 2016]
178
179 o Prevent padding oracle in AES-NI CBC MAC check (CVE-2016-2107)
180 o Fix EVP_EncodeUpdate overflow (CVE-2016-2105)
181 o Fix EVP_EncryptUpdate overflow (CVE-2016-2106)
182 o Prevent ASN.1 BIO excessive memory allocation (CVE-2016-2109)
183 o EBCDIC overread (CVE-2016-2176)
184 o Modify behavior of ALPN to invoke callback after SNI/servername
185 callback, such that updates to the SSL_CTX affect ALPN.
186 o Remove LOW from the DEFAULT cipher list. This removes singles DES from
187 the default.
188 o Only remove the SSLv2 methods with the no-ssl2-method option.
189
190 Major changes between OpenSSL 1.0.2f and OpenSSL 1.0.2g [1 Mar 2016]
191
192 o Disable weak ciphers in SSLv3 and up in default builds of OpenSSL.
193 o Disable SSLv2 default build, default negotiation and weak ciphers
194 (CVE-2016-0800)
195 o Fix a double-free in DSA code (CVE-2016-0705)
196 o Disable SRP fake user seed to address a server memory leak
197 (CVE-2016-0798)
198 o Fix BN_hex2bn/BN_dec2bn NULL pointer deref/heap corruption
199 (CVE-2016-0797)
200 o Fix memory issues in BIO_*printf functions (CVE-2016-0799)
201 o Fix side channel attack on modular exponentiation (CVE-2016-0702)
202
203 Major changes between OpenSSL 1.0.2e and OpenSSL 1.0.2f [28 Jan 2016]
204
205 o DH small subgroups (CVE-2016-0701)
206 o SSLv2 doesn't block disabled ciphers (CVE-2015-3197)
207
208 Major changes between OpenSSL 1.0.2d and OpenSSL 1.0.2e [3 Dec 2015]
209
210 o BN_mod_exp may produce incorrect results on x86_64 (CVE-2015-3193)
211 o Certificate verify crash with missing PSS parameter (CVE-2015-3194)
212 o X509_ATTRIBUTE memory leak (CVE-2015-3195)
213 o Rewrite EVP_DecodeUpdate (base64 decoding) to fix several bugs
214 o In DSA_generate_parameters_ex, if the provided seed is too short,
215 return an error
216
217 Major changes between OpenSSL 1.0.2c and OpenSSL 1.0.2d [9 Jul 2015]
218
219 o Alternate chains certificate forgery (CVE-2015-1793)
220 o Race condition handling PSK identify hint (CVE-2015-3196)
221
222 Major changes between OpenSSL 1.0.2b and OpenSSL 1.0.2c [12 Jun 2015]
223
224 o Fix HMAC ABI incompatibility
225
226 Major changes between OpenSSL 1.0.2a and OpenSSL 1.0.2b [11 Jun 2015]
227
228 o Malformed ECParameters causes infinite loop (CVE-2015-1788)
229 o Exploitable out-of-bounds read in X509_cmp_time (CVE-2015-1789)
230 o PKCS7 crash with missing EnvelopedContent (CVE-2015-1790)
231 o CMS verify infinite loop with unknown hash function (CVE-2015-1792)
232 o Race condition handling NewSessionTicket (CVE-2015-1791)
233
234 Major changes between OpenSSL 1.0.2 and OpenSSL 1.0.2a [19 Mar 2015]
235
236 o OpenSSL 1.0.2 ClientHello sigalgs DoS fix (CVE-2015-0291)
237 o Multiblock corrupted pointer fix (CVE-2015-0290)
238 o Segmentation fault in DTLSv1_listen fix (CVE-2015-0207)
239 o Segmentation fault in ASN1_TYPE_cmp fix (CVE-2015-0286)
240 o Segmentation fault for invalid PSS parameters fix (CVE-2015-0208)
241 o ASN.1 structure reuse memory corruption fix (CVE-2015-0287)
242 o PKCS7 NULL pointer dereferences fix (CVE-2015-0289)
243 o DoS via reachable assert in SSLv2 servers fix (CVE-2015-0293)
244 o Empty CKE with client auth and DHE fix (CVE-2015-1787)
245 o Handshake with unseeded PRNG fix (CVE-2015-0285)
246 o Use After Free following d2i_ECPrivatekey error fix (CVE-2015-0209)
247 o X509_to_X509_REQ NULL pointer deref fix (CVE-2015-0288)
248 o Removed the export ciphers from the DEFAULT ciphers
249
250 Major changes between OpenSSL 1.0.1l and OpenSSL 1.0.2 [22 Jan 2015]:
251
252 o Suite B support for TLS 1.2 and DTLS 1.2
253 o Support for DTLS 1.2
254 o TLS automatic EC curve selection.
255 o API to set TLS supported signature algorithms and curves
256 o SSL_CONF configuration API.
257 o TLS Brainpool support.
258 o ALPN support.
259 o CMS support for RSA-PSS, RSA-OAEP, ECDH and X9.42 DH.
260
261 Major changes between OpenSSL 1.0.1k and OpenSSL 1.0.1l [15 Jan 2015]
262
263 o Build fixes for the Windows and OpenVMS platforms
264
265 Major changes between OpenSSL 1.0.1j and OpenSSL 1.0.1k [8 Jan 2015]
266
267 o Fix for CVE-2014-3571
268 o Fix for CVE-2015-0206
269 o Fix for CVE-2014-3569
270 o Fix for CVE-2014-3572
271 o Fix for CVE-2015-0204
272 o Fix for CVE-2015-0205
273 o Fix for CVE-2014-8275
274 o Fix for CVE-2014-3570
275
276 Major changes between OpenSSL 1.0.1i and OpenSSL 1.0.1j [15 Oct 2014]
277
278 o Fix for CVE-2014-3513
279 o Fix for CVE-2014-3567
280 o Mitigation for CVE-2014-3566 (SSL protocol vulnerability)
281 o Fix for CVE-2014-3568
282
283 Major changes between OpenSSL 1.0.1h and OpenSSL 1.0.1i [6 Aug 2014]
284
285 o Fix for CVE-2014-3512
286 o Fix for CVE-2014-3511
287 o Fix for CVE-2014-3510
288 o Fix for CVE-2014-3507
289 o Fix for CVE-2014-3506
290 o Fix for CVE-2014-3505
291 o Fix for CVE-2014-3509
292 o Fix for CVE-2014-5139
293 o Fix for CVE-2014-3508
294
295 Major changes between OpenSSL 1.0.1g and OpenSSL 1.0.1h [5 Jun 2014]
296
297 o Fix for CVE-2014-0224
298 o Fix for CVE-2014-0221
299 o Fix for CVE-2014-0198
300 o Fix for CVE-2014-0195
301 o Fix for CVE-2014-3470
302 o Fix for CVE-2010-5298
303
304 Major changes between OpenSSL 1.0.1f and OpenSSL 1.0.1g [7 Apr 2014]
305
306 o Fix for CVE-2014-0160
307 o Add TLS padding extension workaround for broken servers.
308 o Fix for CVE-2014-0076
309
310 Major changes between OpenSSL 1.0.1e and OpenSSL 1.0.1f [6 Jan 2014]
311
312 o Don't include gmt_unix_time in TLS server and client random values
313 o Fix for TLS record tampering bug CVE-2013-4353
314 o Fix for TLS version checking bug CVE-2013-6449
315 o Fix for DTLS retransmission bug CVE-2013-6450
316
317 Major changes between OpenSSL 1.0.1d and OpenSSL 1.0.1e [11 Feb 2013]:
318
319 o Corrected fix for CVE-2013-0169
320
321 Major changes between OpenSSL 1.0.1c and OpenSSL 1.0.1d [4 Feb 2013]:
322
323 o Fix renegotiation in TLS 1.1, 1.2 by using the correct TLS version.
324 o Include the fips configuration module.
325 o Fix OCSP bad key DoS attack CVE-2013-0166
326 o Fix for SSL/TLS/DTLS CBC plaintext recovery attack CVE-2013-0169
327 o Fix for TLS AESNI record handling flaw CVE-2012-2686
328
329 Major changes between OpenSSL 1.0.1b and OpenSSL 1.0.1c [10 May 2012]:
330
331 o Fix TLS/DTLS record length checking bug CVE-2012-2333
332 o Don't attempt to use non-FIPS composite ciphers in FIPS mode.
333
334 Major changes between OpenSSL 1.0.1a and OpenSSL 1.0.1b [26 Apr 2012]:
335
336 o Fix compilation error on non-x86 platforms.
337 o Make FIPS capable OpenSSL ciphers work in non-FIPS mode.
338 o Fix SSL_OP_NO_TLSv1_1 clash with SSL_OP_ALL in OpenSSL 1.0.0
339
340 Major changes between OpenSSL 1.0.1 and OpenSSL 1.0.1a [19 Apr 2012]:
341
342 o Fix for ASN1 overflow bug CVE-2012-2110
343 o Workarounds for some servers that hang on long client hellos.
344 o Fix SEGV in AES code.
345
346 Major changes between OpenSSL 1.0.0h and OpenSSL 1.0.1 [14 Mar 2012]:
347
348 o TLS/DTLS heartbeat support.
349 o SCTP support.
350 o RFC 5705 TLS key material exporter.
351 o RFC 5764 DTLS-SRTP negotiation.
352 o Next Protocol Negotiation.
353 o PSS signatures in certificates, requests and CRLs.
354 o Support for password based recipient info for CMS.
355 o Support TLS v1.2 and TLS v1.1.
356 o Preliminary FIPS capability for unvalidated 2.0 FIPS module.
357 o SRP support.
358
359 Major changes between OpenSSL 1.0.0g and OpenSSL 1.0.0h [12 Mar 2012]:
360
361 o Fix for CMS/PKCS#7 MMA CVE-2012-0884
362 o Corrected fix for CVE-2011-4619
363 o Various DTLS fixes.
364
365 Major changes between OpenSSL 1.0.0f and OpenSSL 1.0.0g [18 Jan 2012]:
366
367 o Fix for DTLS DoS issue CVE-2012-0050
368
369 Major changes between OpenSSL 1.0.0e and OpenSSL 1.0.0f [4 Jan 2012]:
370
371 o Fix for DTLS plaintext recovery attack CVE-2011-4108
372 o Clear block padding bytes of SSL 3.0 records CVE-2011-4576
373 o Only allow one SGC handshake restart for SSL/TLS CVE-2011-4619
374 o Check parameters are not NULL in GOST ENGINE CVE-2012-0027
375 o Check for malformed RFC3779 data CVE-2011-4577
376
377 Major changes between OpenSSL 1.0.0d and OpenSSL 1.0.0e [6 Sep 2011]:
378
379 o Fix for CRL vulnerability issue CVE-2011-3207
380 o Fix for ECDH crashes CVE-2011-3210
381 o Protection against EC timing attacks.
382 o Support ECDH ciphersuites for certificates using SHA2 algorithms.
383 o Various DTLS fixes.
384
385 Major changes between OpenSSL 1.0.0c and OpenSSL 1.0.0d [8 Feb 2011]:
386
387 o Fix for security issue CVE-2011-0014
388
389 Major changes between OpenSSL 1.0.0b and OpenSSL 1.0.0c [2 Dec 2010]:
390
391 o Fix for security issue CVE-2010-4180
392 o Fix for CVE-2010-4252
393 o Fix mishandling of absent EC point format extension.
394 o Fix various platform compilation issues.
395 o Corrected fix for security issue CVE-2010-3864.
396
397 Major changes between OpenSSL 1.0.0a and OpenSSL 1.0.0b [16 Nov 2010]:
398
399 o Fix for security issue CVE-2010-3864.
400 o Fix for CVE-2010-2939
401 o Fix WIN32 build system for GOST ENGINE.
402
403 Major changes between OpenSSL 1.0.0 and OpenSSL 1.0.0a [1 Jun 2010]:
404
405 o Fix for security issue CVE-2010-1633.
406 o GOST MAC and CFB fixes.
407
408 Major changes between OpenSSL 0.9.8n and OpenSSL 1.0.0 [29 Mar 2010]:
409
410 o RFC3280 path validation: sufficient to process PKITS tests.
411 o Integrated support for PVK files and keyblobs.
412 o Change default private key format to PKCS#8.
413 o CMS support: able to process all examples in RFC4134
414 o Streaming ASN1 encode support for PKCS#7 and CMS.
415 o Multiple signer and signer add support for PKCS#7 and CMS.
416 o ASN1 printing support.
417 o Whirlpool hash algorithm added.
418 o RFC3161 time stamp support.
419 o New generalised public key API supporting ENGINE based algorithms.
420 o New generalised public key API utilities.
421 o New ENGINE supporting GOST algorithms.
422 o SSL/TLS GOST ciphersuite support.
423 o PKCS#7 and CMS GOST support.
424 o RFC4279 PSK ciphersuite support.
425 o Supported points format extension for ECC ciphersuites.
426 o ecdsa-with-SHA224/256/384/512 signature types.
427 o dsa-with-SHA224 and dsa-with-SHA256 signature types.
428 o Opaque PRF Input TLS extension support.
429 o Updated time routines to avoid OS limitations.
430
431 Major changes between OpenSSL 0.9.8m and OpenSSL 0.9.8n [24 Mar 2010]:
432
433 o CFB cipher definition fixes.
434 o Fix security issues CVE-2010-0740 and CVE-2010-0433.
435
436 Major changes between OpenSSL 0.9.8l and OpenSSL 0.9.8m [25 Feb 2010]:
437
438 o Cipher definition fixes.
439 o Workaround for slow RAND_poll() on some WIN32 versions.
440 o Remove MD2 from algorithm tables.
441 o SPKAC handling fixes.
442 o Support for RFC5746 TLS renegotiation extension.
443 o Compression memory leak fixed.
444 o Compression session resumption fixed.
445 o Ticket and SNI coexistence fixes.
446 o Many fixes to DTLS handling.
447
448 Major changes between OpenSSL 0.9.8k and OpenSSL 0.9.8l [5 Nov 2009]:
449
450 o Temporary work around for CVE-2009-3555: disable renegotiation.
451
452 Major changes between OpenSSL 0.9.8j and OpenSSL 0.9.8k [25 Mar 2009]:
453
454 o Fix various build issues.
455 o Fix security issues (CVE-2009-0590, CVE-2009-0591, CVE-2009-0789)
456
457 Major changes between OpenSSL 0.9.8i and OpenSSL 0.9.8j [7 Jan 2009]:
458
459 o Fix security issue (CVE-2008-5077)
460 o Merge FIPS 140-2 branch code.
461
462 Major changes between OpenSSL 0.9.8g and OpenSSL 0.9.8h [28 May 2008]:
463
464 o CryptoAPI ENGINE support.
465 o Various precautionary measures.
466 o Fix for bugs affecting certificate request creation.
467 o Support for local machine keyset attribute in PKCS#12 files.
468
469 Major changes between OpenSSL 0.9.8f and OpenSSL 0.9.8g [19 Oct 2007]:
470
471 o Backport of CMS functionality to 0.9.8.
472 o Fixes for bugs introduced with 0.9.8f.
473
474 Major changes between OpenSSL 0.9.8e and OpenSSL 0.9.8f [11 Oct 2007]:
475
476 o Add gcc 4.2 support.
477 o Add support for AES and SSE2 assembly language optimization
478 for VC++ build.
479 o Support for RFC4507bis and server name extensions if explicitly
480 selected at compile time.
481 o DTLS improvements.
482 o RFC4507bis support.
483 o TLS Extensions support.
484
485 Major changes between OpenSSL 0.9.8d and OpenSSL 0.9.8e [23 Feb 2007]:
486
487 o Various ciphersuite selection fixes.
488 o RFC3779 support.
489
490 Major changes between OpenSSL 0.9.8c and OpenSSL 0.9.8d [28 Sep 2006]:
491
492 o Introduce limits to prevent malicious key DoS (CVE-2006-2940)
493 o Fix security issues (CVE-2006-2937, CVE-2006-3737, CVE-2006-4343)
494 o Changes to ciphersuite selection algorithm
495
496 Major changes between OpenSSL 0.9.8b and OpenSSL 0.9.8c [5 Sep 2006]:
497
498 o Fix Daniel Bleichenbacher forged signature attack, CVE-2006-4339
499 o New cipher Camellia
500
501 Major changes between OpenSSL 0.9.8a and OpenSSL 0.9.8b [4 May 2006]:
502
503 o Cipher string fixes.
504 o Fixes for VC++ 2005.
505 o Updated ECC cipher suite support.
506 o New functions EVP_CIPHER_CTX_new() and EVP_CIPHER_CTX_free().
507 o Zlib compression usage fixes.
508 o Built in dynamic engine compilation support on Win32.
509 o Fixes auto dynamic engine loading in Win32.
510
511 Major changes between OpenSSL 0.9.8 and OpenSSL 0.9.8a [11 Oct 2005]:
512
513 o Fix potential SSL 2.0 rollback, CVE-2005-2969
514 o Extended Windows CE support
515
516 Major changes between OpenSSL 0.9.7g and OpenSSL 0.9.8 [5 Jul 2005]:
517
518 o Major work on the BIGNUM library for higher efficiency and to
519 make operations more streamlined and less contradictory. This
520 is the result of a major audit of the BIGNUM library.
521 o Addition of BIGNUM functions for fields GF(2^m) and NIST
522 curves, to support the Elliptic Crypto functions.
523 o Major work on Elliptic Crypto; ECDH and ECDSA added, including
524 the use through EVP, X509 and ENGINE.
525 o New ASN.1 mini-compiler that's usable through the OpenSSL
526 configuration file.
527 o Added support for ASN.1 indefinite length constructed encoding.
528 o New PKCS#12 'medium level' API to manipulate PKCS#12 files.
529 o Complete rework of shared library construction and linking
530 programs with shared or static libraries, through a separate
531 Makefile.shared.
532 o Rework of the passing of parameters from one Makefile to another.
533 o Changed ENGINE framework to load dynamic engine modules
534 automatically from specifically given directories.
535 o New structure and ASN.1 functions for CertificatePair.
536 o Changed the ZLIB compression method to be stateful.
537 o Changed the key-generation and primality testing "progress"
538 mechanism to take a structure that contains the ticker
539 function and an argument.
540 o New engine module: GMP (performs private key exponentiation).
541 o New engine module: VIA PadLOck ACE extension in VIA C3
542 Nehemiah processors.
543 o Added support for IPv6 addresses in certificate extensions.
544 See RFC 1884, section 2.2.
545 o Added support for certificate policy mappings, policy
546 constraints and name constraints.
547 o Added support for multi-valued AVAs in the OpenSSL
548 configuration file.
549 o Added support for multiple certificates with the same subject
550 in the 'openssl ca' index file.
551 o Make it possible to create self-signed certificates using
552 'openssl ca -selfsign'.
553 o Make it possible to generate a serial number file with
554 'openssl ca -create_serial'.
555 o New binary search functions with extended functionality.
556 o New BUF functions.
557 o New STORE structure and library to provide an interface to all
558 sorts of data repositories. Supports storage of public and
559 private keys, certificates, CRLs, numbers and arbitrary blobs.
560 This library is unfortunately unfinished and unused within
561 OpenSSL.
562 o New control functions for the error stack.
563 o Changed the PKCS#7 library to support one-pass S/MIME
564 processing.
565 o Added the possibility to compile without old deprecated
566 functionality with the OPENSSL_NO_DEPRECATED macro or the
567 'no-deprecated' argument to the config and Configure scripts.
568 o Constification of all ASN.1 conversion functions, and other
569 affected functions.
570 o Improved platform support for PowerPC.
571 o New FIPS 180-2 algorithms (SHA-224, -256, -384 and -512).
572 o New X509_VERIFY_PARAM structure to support parameterisation
573 of X.509 path validation.
574 o Major overhaul of RC4 performance on Intel P4, IA-64 and
575 AMD64.
576 o Changed the Configure script to have some algorithms disabled
577 by default. Those can be explicitly enabled with the new
578 argument form 'enable-xxx'.
579 o Change the default digest in 'openssl' commands from MD5 to
580 SHA-1.
581 o Added support for DTLS.
582 o New BIGNUM blinding.
583 o Added support for the RSA-PSS encryption scheme
584 o Added support for the RSA X.931 padding.
585 o Added support for BSD sockets on NetWare.
586 o Added support for files larger than 2GB.
587 o Added initial support for Win64.
588 o Added alternate pkg-config files.
589
590 Major changes between OpenSSL 0.9.7l and OpenSSL 0.9.7m [23 Feb 2007]:
591
592 o FIPS 1.1.1 module linking.
593 o Various ciphersuite selection fixes.
594
595 Major changes between OpenSSL 0.9.7k and OpenSSL 0.9.7l [28 Sep 2006]:
596
597 o Introduce limits to prevent malicious key DoS (CVE-2006-2940)
598 o Fix security issues (CVE-2006-2937, CVE-2006-3737, CVE-2006-4343)
599
600 Major changes between OpenSSL 0.9.7j and OpenSSL 0.9.7k [5 Sep 2006]:
601
602 o Fix Daniel Bleichenbacher forged signature attack, CVE-2006-4339
603
604 Major changes between OpenSSL 0.9.7i and OpenSSL 0.9.7j [4 May 2006]:
605
606 o Visual C++ 2005 fixes.
607 o Update Windows build system for FIPS.
608
609 Major changes between OpenSSL 0.9.7h and OpenSSL 0.9.7i [14 Oct 2005]:
610
611 o Give EVP_MAX_MD_SIZE its old value, except for a FIPS build.
612
613 Major changes between OpenSSL 0.9.7g and OpenSSL 0.9.7h [11 Oct 2005]:
614
615 o Fix SSL 2.0 Rollback, CVE-2005-2969
616 o Allow use of fixed-length exponent on DSA signing
617 o Default fixed-window RSA, DSA, DH private-key operations
618
619 Major changes between OpenSSL 0.9.7f and OpenSSL 0.9.7g [11 Apr 2005]:
620
621 o More compilation issues fixed.
622 o Adaptation to more modern Kerberos API.
623 o Enhanced or corrected configuration for Solaris64, Mingw and Cygwin.
624 o Enhanced x86_64 assembler BIGNUM module.
625 o More constification.
626 o Added processing of proxy certificates (RFC 3820).
627
628 Major changes between OpenSSL 0.9.7e and OpenSSL 0.9.7f [22 Mar 2005]:
629
630 o Several compilation issues fixed.
631 o Many memory allocation failure checks added.
632 o Improved comparison of X509 Name type.
633 o Mandatory basic checks on certificates.
634 o Performance improvements.
635
636 Major changes between OpenSSL 0.9.7d and OpenSSL 0.9.7e [25 Oct 2004]:
637
638 o Fix race condition in CRL checking code.
639 o Fixes to PKCS#7 (S/MIME) code.
640
641 Major changes between OpenSSL 0.9.7c and OpenSSL 0.9.7d [17 Mar 2004]:
642
643 o Security: Fix Kerberos ciphersuite SSL/TLS handshaking bug
644 o Security: Fix null-pointer assignment in do_change_cipher_spec()
645 o Allow multiple active certificates with same subject in CA index
646 o Multiple X509 verification fixes
647 o Speed up HMAC and other operations
648
649 Major changes between OpenSSL 0.9.7b and OpenSSL 0.9.7c [30 Sep 2003]:
650
651 o Security: fix various ASN1 parsing bugs.
652 o New -ignore_err option to OCSP utility.
653 o Various interop and bug fixes in S/MIME code.
654 o SSL/TLS protocol fix for unrequested client certificates.
655
656 Major changes between OpenSSL 0.9.7a and OpenSSL 0.9.7b [10 Apr 2003]:
657
658 o Security: counter the Klima-Pokorny-Rosa extension of
659 Bleichbacher's attack
660 o Security: make RSA blinding default.
661 o Configuration: Irix fixes, AIX fixes, better mingw support.
662 o Support for new platforms: linux-ia64-ecc.
663 o Build: shared library support fixes.
664 o ASN.1: treat domainComponent correctly.
665 o Documentation: fixes and additions.
666
667 Major changes between OpenSSL 0.9.7 and OpenSSL 0.9.7a [19 Feb 2003]:
668
669 o Security: Important security related bugfixes.
670 o Enhanced compatibility with MIT Kerberos.
671 o Can be built without the ENGINE framework.
672 o IA32 assembler enhancements.
673 o Support for new platforms: FreeBSD/IA64 and FreeBSD/Sparc64.
674 o Configuration: the no-err option now works properly.
675 o SSL/TLS: now handles manual certificate chain building.
676 o SSL/TLS: certain session ID malfunctions corrected.
677
678 Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.7 [30 Dec 2002]:
679
680 o New library section OCSP.
681 o Complete rewrite of ASN1 code.
682 o CRL checking in verify code and openssl utility.
683 o Extension copying in 'ca' utility.
684 o Flexible display options in 'ca' utility.
685 o Provisional support for international characters with UTF8.
686 o Support for external crypto devices ('engine') is no longer
687 a separate distribution.
688 o New elliptic curve library section.
689 o New AES (Rijndael) library section.
690 o Support for new platforms: Windows CE, Tandem OSS, A/UX, AIX 64-bit,
691 Linux x86_64, Linux 64-bit on Sparc v9
692 o Extended support for some platforms: VxWorks
693 o Enhanced support for shared libraries.
694 o Now only builds PIC code when shared library support is requested.
695 o Support for pkg-config.
696 o Lots of new manuals.
697 o Makes symbolic links to or copies of manuals to cover all described
698 functions.
699 o Change DES API to clean up the namespace (some applications link also
700 against libdes providing similar functions having the same name).
701 Provide macros for backward compatibility (will be removed in the
702 future).
703 o Unify handling of cryptographic algorithms (software and engine)
704 to be available via EVP routines for asymmetric and symmetric ciphers.
705 o NCONF: new configuration handling routines.
706 o Change API to use more 'const' modifiers to improve error checking
707 and help optimizers.
708 o Finally remove references to RSAref.
709 o Reworked parts of the BIGNUM code.
710 o Support for new engines: Broadcom ubsec, Accelerated Encryption
711 Processing, IBM 4758.
712 o A few new engines added in the demos area.
713 o Extended and corrected OID (object identifier) table.
714 o PRNG: query at more locations for a random device, automatic query for
715 EGD style random sources at several locations.
716 o SSL/TLS: allow optional cipher choice according to server's preference.
717 o SSL/TLS: allow server to explicitly set new session ids.
718 o SSL/TLS: support Kerberos cipher suites (RFC2712).
719 Only supports MIT Kerberos for now.
720 o SSL/TLS: allow more precise control of renegotiations and sessions.
721 o SSL/TLS: add callback to retrieve SSL/TLS messages.
722 o SSL/TLS: support AES cipher suites (RFC3268).
723
724 Major changes between OpenSSL 0.9.6j and OpenSSL 0.9.6k [30 Sep 2003]:
725
726 o Security: fix various ASN1 parsing bugs.
727 o SSL/TLS protocol fix for unrequested client certificates.
728
729 Major changes between OpenSSL 0.9.6i and OpenSSL 0.9.6j [10 Apr 2003]:
730
731 o Security: counter the Klima-Pokorny-Rosa extension of
732 Bleichbacher's attack
733 o Security: make RSA blinding default.
734 o Build: shared library support fixes.
735
736 Major changes between OpenSSL 0.9.6h and OpenSSL 0.9.6i [19 Feb 2003]:
737
738 o Important security related bugfixes.
739
740 Major changes between OpenSSL 0.9.6g and OpenSSL 0.9.6h [5 Dec 2002]:
741
742 o New configuration targets for Tandem OSS and A/UX.
743 o New OIDs for Microsoft attributes.
744 o Better handling of SSL session caching.
745 o Better comparison of distinguished names.
746 o Better handling of shared libraries in a mixed GNU/non-GNU environment.
747 o Support assembler code with Borland C.
748 o Fixes for length problems.
749 o Fixes for uninitialised variables.
750 o Fixes for memory leaks, some unusual crashes and some race conditions.
751 o Fixes for smaller building problems.
752 o Updates of manuals, FAQ and other instructive documents.
753
754 Major changes between OpenSSL 0.9.6f and OpenSSL 0.9.6g [9 Aug 2002]:
755
756 o Important building fixes on Unix.
757
758 Major changes between OpenSSL 0.9.6e and OpenSSL 0.9.6f [8 Aug 2002]:
759
760 o Various important bugfixes.
761
762 Major changes between OpenSSL 0.9.6d and OpenSSL 0.9.6e [30 Jul 2002]:
763
764 o Important security related bugfixes.
765 o Various SSL/TLS library bugfixes.
766
767 Major changes between OpenSSL 0.9.6c and OpenSSL 0.9.6d [9 May 2002]:
768
769 o Various SSL/TLS library bugfixes.
770 o Fix DH parameter generation for 'non-standard' generators.
771
772 Major changes between OpenSSL 0.9.6b and OpenSSL 0.9.6c [21 Dec 2001]:
773
774 o Various SSL/TLS library bugfixes.
775 o BIGNUM library fixes.
776 o RSA OAEP and random number generation fixes.
777 o Object identifiers corrected and added.
778 o Add assembler BN routines for IA64.
779 o Add support for OS/390 Unix, UnixWare with gcc, OpenUNIX 8,
780 MIPS Linux; shared library support for Irix, HP-UX.
781 o Add crypto accelerator support for AEP, Baltimore SureWare,
782 Broadcom and Cryptographic Appliance's keyserver
783 [in 0.9.6c-engine release].
784
785 Major changes between OpenSSL 0.9.6a and OpenSSL 0.9.6b [9 Jul 2001]:
786
787 o Security fix: PRNG improvements.
788 o Security fix: RSA OAEP check.
789 o Security fix: Reinsert and fix countermeasure to Bleichbacher's
790 attack.
791 o MIPS bug fix in BIGNUM.
792 o Bug fix in "openssl enc".
793 o Bug fix in X.509 printing routine.
794 o Bug fix in DSA verification routine and DSA S/MIME verification.
795 o Bug fix to make PRNG thread-safe.
796 o Bug fix in RAND_file_name().
797 o Bug fix in compatibility mode trust settings.
798 o Bug fix in blowfish EVP.
799 o Increase default size for BIO buffering filter.
800 o Compatibility fixes in some scripts.
801
802 Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.6a [5 Apr 2001]:
803
804 o Security fix: change behavior of OpenSSL to avoid using
805 environment variables when running as root.
806 o Security fix: check the result of RSA-CRT to reduce the
807 possibility of deducing the private key from an incorrectly
808 calculated signature.
809 o Security fix: prevent Bleichenbacher's DSA attack.
810 o Security fix: Zero the premaster secret after deriving the
811 master secret in DH ciphersuites.
812 o Reimplement SSL_peek(), which had various problems.
813 o Compatibility fix: the function des_encrypt() renamed to
814 des_encrypt1() to avoid clashes with some Unixen libc.
815 o Bug fixes for Win32, HP/UX and Irix.
816 o Bug fixes in BIGNUM, SSL, PKCS#7, PKCS#12, X.509, CONF and
817 memory checking routines.
818 o Bug fixes for RSA operations in threaded environments.
819 o Bug fixes in misc. openssl applications.
820 o Remove a few potential memory leaks.
821 o Add tighter checks of BIGNUM routines.
822 o Shared library support has been reworked for generality.
823 o More documentation.
824 o New function BN_rand_range().
825 o Add "-rand" option to openssl s_client and s_server.
826
827 Major changes between OpenSSL 0.9.5a and OpenSSL 0.9.6 [10 Oct 2000]:
828
829 o Some documentation for BIO and SSL libraries.
830 o Enhanced chain verification using key identifiers.
831 o New sign and verify options to 'dgst' application.
832 o Support for DER and PEM encoded messages in 'smime' application.
833 o New 'rsautl' application, low level RSA utility.
834 o MD4 now included.
835 o Bugfix for SSL rollback padding check.
836 o Support for external crypto devices [1].
837 o Enhanced EVP interface.
838
839 [1] The support for external crypto devices is currently a separate
840 distribution. See the file README.ENGINE.
841
842 Major changes between OpenSSL 0.9.5 and OpenSSL 0.9.5a [1 Apr 2000]:
843
844 o Bug fixes for Win32, SuSE Linux, NeXTSTEP and FreeBSD 2.2.8
845 o Shared library support for HPUX and Solaris-gcc
846 o Support of Linux/IA64
847 o Assembler support for Mingw32
848 o New 'rand' application
849 o New way to check for existence of algorithms from scripts
850
851 Major changes between OpenSSL 0.9.4 and OpenSSL 0.9.5 [25 May 2000]:
852
853 o S/MIME support in new 'smime' command
854 o Documentation for the OpenSSL command line application
855 o Automation of 'req' application
856 o Fixes to make s_client, s_server work under Windows
857 o Support for multiple fieldnames in SPKACs
858 o New SPKAC command line utility and associated library functions
859 o Options to allow passwords to be obtained from various sources
860 o New public key PEM format and options to handle it
861 o Many other fixes and enhancements to command line utilities
862 o Usable certificate chain verification
863 o Certificate purpose checking
864 o Certificate trust settings
865 o Support of authority information access extension
866 o Extensions in certificate requests
867 o Simplified X509 name and attribute routines
868 o Initial (incomplete) support for international character sets
869 o New DH_METHOD, DSA_METHOD and enhanced RSA_METHOD
870 o Read only memory BIOs and simplified creation function
871 o TLS/SSL protocol bugfixes: Accept TLS 'client hello' in SSL 3.0
872 record; allow fragmentation and interleaving of handshake and other
873 data
874 o TLS/SSL code now "tolerates" MS SGC
875 o Work around for Netscape client certificate hang bug
876 o RSA_NULL option that removes RSA patent code but keeps other
877 RSA functionality
878 o Memory leak detection now allows applications to add extra information
879 via a per-thread stack
880 o PRNG robustness improved
881 o EGD support
882 o BIGNUM library bug fixes
883 o Faster DSA parameter generation
884 o Enhanced support for Alpha Linux
885 o Experimental MacOS support
886
887 Major changes between OpenSSL 0.9.3 and OpenSSL 0.9.4 [9 Aug 1999]:
888
889 o Transparent support for PKCS#8 format private keys: these are used
890 by several software packages and are more secure than the standard
891 form
892 o PKCS#5 v2.0 implementation
893 o Password callbacks have a new void * argument for application data
894 o Avoid various memory leaks
895 o New pipe-like BIO that allows using the SSL library when actual I/O
896 must be handled by the application (BIO pair)
897
898 Major changes between OpenSSL 0.9.2b and OpenSSL 0.9.3 [24 May 1999]:
899 o Lots of enhancements and cleanups to the Configuration mechanism
900 o RSA OEAP related fixes
901 o Added `openssl ca -revoke' option for revoking a certificate
902 o Source cleanups: const correctness, type-safe stacks and ASN.1 SETs
903 o Source tree cleanups: removed lots of obsolete files
904 o Thawte SXNet, certificate policies and CRL distribution points
905 extension support
906 o Preliminary (experimental) S/MIME support
907 o Support for ASN.1 UTF8String and VisibleString
908 o Full integration of PKCS#12 code
909 o Sparc assembler bignum implementation, optimized hash functions
910 o Option to disable selected ciphers
911
912 Major changes between OpenSSL 0.9.1c and OpenSSL 0.9.2b [22 Mar 1999]:
913 o Fixed a security hole related to session resumption
914 o Fixed RSA encryption routines for the p < q case
915 o "ALL" in cipher lists now means "everything except NULL ciphers"
916 o Support for Triple-DES CBCM cipher
917 o Support of Optimal Asymmetric Encryption Padding (OAEP) for RSA
918 o First support for new TLSv1 ciphers
919 o Added a few new BIOs (syslog BIO, reliable BIO)
920 o Extended support for DSA certificate/keys.
921 o Extended support for Certificate Signing Requests (CSR)
922 o Initial support for X.509v3 extensions
923 o Extended support for compression inside the SSL record layer
924 o Overhauled Win32 builds
925 o Cleanups and fixes to the Big Number (BN) library
926 o Support for ASN.1 GeneralizedTime
927 o Splitted ASN.1 SETs from SEQUENCEs
928 o ASN1 and PEM support for Netscape Certificate Sequences
929 o Overhauled Perl interface
930 o Lots of source tree cleanups.
931 o Lots of memory leak fixes.
932 o Lots of bug fixes.
933
934 Major changes between SSLeay 0.9.0b and OpenSSL 0.9.1c [23 Dec 1998]:
935 o Integration of the popular NO_RSA/NO_DSA patches
936 o Initial support for compression inside the SSL record layer
937 o Added BIO proxy and filtering functionality
938 o Extended Big Number (BN) library
939 o Added RIPE MD160 message digest
940 o Added support for RC2/64bit cipher
941 o Extended ASN.1 parser routines
942 o Adjustments of the source tree for CVS
943 o Support for various new platforms