OPENSSL-NEWS.txt 41 KB

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  1. Apache HTTP Server 2.4 Limited OpenSSL Distribution
  2. This binary distribution includes the minimal components of OpenSSL required
  3. to support mod_ssl for Apache HTTP Server version 2.4 (details are listed
  4. in OPENSSL-README.txt.) For the complete list of CHANGES to this and later
  5. versions of OpenSSL, please refer to the definative source,
  6. <http://www.openssl.org/news/changelog.html>, or see the CHANGES file in the
  7. full binary or source distribution package from <http://www.openssl.org/>.
  8. These OpenSSL binaries were built for distribution from the U.S. without
  9. support for the patented encryption methods IDEA, MDC-2 or RC5.
  10. --------------------------------------------------------------------------------
  11. NEWS
  12. ====
  13. This file gives a brief overview of the major changes between each OpenSSL
  14. release. For more details please read the CHANGES file.
  15. Major changes between OpenSSL 1.1.1b and OpenSSL 1.1.1c [28 May 2019]
  16. o Prevent over long nonces in ChaCha20-Poly1305 (CVE-2019-1543)
  17. Major changes between OpenSSL 1.1.1a and OpenSSL 1.1.1b [26 Feb 2019]
  18. o Change the info callback signals for the start and end of a post-handshake
  19. message exchange in TLSv1.3.
  20. o Fix a bug in DTLS over SCTP. This breaks interoperability with older versions
  21. of OpenSSL like OpenSSL 1.1.0 and OpenSSL 1.0.2.
  22. Major changes between OpenSSL 1.1.1 and OpenSSL 1.1.1a [20 Nov 2018]
  23. o Timing vulnerability in DSA signature generation (CVE-2018-0734)
  24. o Timing vulnerability in ECDSA signature generation (CVE-2018-0735)
  25. Major changes between OpenSSL 1.1.0i and OpenSSL 1.1.1 [11 Sep 2018]
  26. o Support for TLSv1.3 added (see https://wiki.openssl.org/index.php/TLS1.3
  27. for further important information). The TLSv1.3 implementation includes:
  28. o Fully compliant implementation of RFC8446 (TLSv1.3) on by default
  29. o Early data (0-RTT)
  30. o Post-handshake authentication and key update
  31. o Middlebox Compatibility Mode
  32. o TLSv1.3 PSKs
  33. o Support for all five RFC8446 ciphersuites
  34. o RSA-PSS signature algorithms (backported to TLSv1.2)
  35. o Configurable session ticket support
  36. o Stateless server support
  37. o Rewrite of the packet construction code for "safer" packet handling
  38. o Rewrite of the extension handling code
  39. o Complete rewrite of the OpenSSL random number generator to introduce the
  40. following capabilities
  41. o The default RAND method now utilizes an AES-CTR DRBG according to
  42. NIST standard SP 800-90Ar1.
  43. o Support for multiple DRBG instances with seed chaining.
  44. o There is a public and private DRBG instance.
  45. o The DRBG instances are fork-safe.
  46. o Keep all global DRBG instances on the secure heap if it is enabled.
  47. o The public and private DRBG instance are per thread for lock free
  48. operation
  49. o Support for various new cryptographic algorithms including:
  50. o SHA3
  51. o SHA512/224 and SHA512/256
  52. o EdDSA (both Ed25519 and Ed448) including X509 and TLS support
  53. o X448 (adding to the existing X25519 support in 1.1.0)
  54. o Multi-prime RSA
  55. o SM2
  56. o SM3
  57. o SM4
  58. o SipHash
  59. o ARIA (including TLS support)
  60. o Significant Side-Channel attack security improvements
  61. o Add a new ClientHello callback to provide the ability to adjust the SSL
  62. object at an early stage.
  63. o Add 'Maximum Fragment Length' TLS extension negotiation and support
  64. o A new STORE module, which implements a uniform and URI based reader of
  65. stores that can contain keys, certificates, CRLs and numerous other
  66. objects.
  67. o Move the display of configuration data to configdata.pm.
  68. o Allow GNU style "make variables" to be used with Configure.
  69. o Claim the namespaces OSSL and OPENSSL, represented as symbol prefixes
  70. o Rewrite of devcrypto engine
  71. Major changes between OpenSSL 1.1.0h and OpenSSL 1.1.0i [under development]
  72. o Client DoS due to large DH parameter (CVE-2018-0732)
  73. o Cache timing vulnerability in RSA Key Generation (CVE-2018-0737)
  74. Major changes between OpenSSL 1.1.0g and OpenSSL 1.1.0h [under development]
  75. o Constructed ASN.1 types with a recursive definition could exceed the
  76. stack (CVE-2018-0739)
  77. o Incorrect CRYPTO_memcmp on HP-UX PA-RISC (CVE-2018-0733)
  78. o rsaz_1024_mul_avx2 overflow bug on x86_64 (CVE-2017-3738)
  79. Major changes between OpenSSL 1.1.0f and OpenSSL 1.1.0g [2 Nov 2017]
  80. o bn_sqrx8x_internal carry bug on x86_64 (CVE-2017-3736)
  81. o Malformed X.509 IPAddressFamily could cause OOB read (CVE-2017-3735)
  82. Major changes between OpenSSL 1.1.0e and OpenSSL 1.1.0f [25 May 2017]
  83. o config now recognises 64-bit mingw and chooses mingw64 instead of mingw
  84. Major changes between OpenSSL 1.1.0d and OpenSSL 1.1.0e [16 Feb 2017]
  85. o Encrypt-Then-Mac renegotiation crash (CVE-2017-3733)
  86. Major changes between OpenSSL 1.1.0c and OpenSSL 1.1.0d [26 Jan 2017]
  87. o Truncated packet could crash via OOB read (CVE-2017-3731)
  88. o Bad (EC)DHE parameters cause a client crash (CVE-2017-3730)
  89. o BN_mod_exp may produce incorrect results on x86_64 (CVE-2017-3732)
  90. Major changes between OpenSSL 1.1.0b and OpenSSL 1.1.0c [10 Nov 2016]
  91. o ChaCha20/Poly1305 heap-buffer-overflow (CVE-2016-7054)
  92. o CMS Null dereference (CVE-2016-7053)
  93. o Montgomery multiplication may produce incorrect results (CVE-2016-7055)
  94. Major changes between OpenSSL 1.1.0a and OpenSSL 1.1.0b [26 Sep 2016]
  95. o Fix Use After Free for large message sizes (CVE-2016-6309)
  96. Major changes between OpenSSL 1.1.0 and OpenSSL 1.1.0a [22 Sep 2016]
  97. o OCSP Status Request extension unbounded memory growth (CVE-2016-6304)
  98. o SSL_peek() hang on empty record (CVE-2016-6305)
  99. o Excessive allocation of memory in tls_get_message_header()
  100. (CVE-2016-6307)
  101. o Excessive allocation of memory in dtls1_preprocess_fragment()
  102. (CVE-2016-6308)
  103. Major changes between OpenSSL 1.0.2h and OpenSSL 1.1.0 [25 Aug 2016]
  104. o Copyright text was shrunk to a boilerplate that points to the license
  105. o "shared" builds are now the default when possible
  106. o Added support for "pipelining"
  107. o Added the AFALG engine
  108. o New threading API implemented
  109. o Support for ChaCha20 and Poly1305 added to libcrypto and libssl
  110. o Support for extended master secret
  111. o CCM ciphersuites
  112. o Reworked test suite, now based on perl, Test::Harness and Test::More
  113. o *Most* libcrypto and libssl public structures were made opaque,
  114. including:
  115. BIGNUM and associated types, EC_KEY and EC_KEY_METHOD,
  116. DH and DH_METHOD, DSA and DSA_METHOD, RSA and RSA_METHOD,
  117. BIO and BIO_METHOD, EVP_MD_CTX, EVP_MD, EVP_CIPHER_CTX,
  118. EVP_CIPHER, EVP_PKEY and associated types, HMAC_CTX,
  119. X509, X509_CRL, X509_OBJECT, X509_STORE_CTX, X509_STORE,
  120. X509_LOOKUP, X509_LOOKUP_METHOD
  121. o libssl internal structures made opaque
  122. o SSLv2 support removed
  123. o Kerberos ciphersuite support removed
  124. o RC4 removed from DEFAULT ciphersuites in libssl
  125. o 40 and 56 bit cipher support removed from libssl
  126. o All public header files moved to include/openssl, no more symlinking
  127. o SSL/TLS state machine, version negotiation and record layer rewritten
  128. o EC revision: now operations use new EC_KEY_METHOD.
  129. o Support for OCB mode added to libcrypto
  130. o Support for asynchronous crypto operations added to libcrypto and libssl
  131. o Deprecated interfaces can now be disabled at build time either
  132. relative to the latest release via the "no-deprecated" Configure
  133. argument, or via the "--api=1.1.0|1.0.0|0.9.8" option.
  134. o Application software can be compiled with -DOPENSSL_API_COMPAT=version
  135. to ensure that features deprecated in that version are not exposed.
  136. o Support for RFC6698/RFC7671 DANE TLSA peer authentication
  137. o Change of Configure to use --prefix as the main installation
  138. directory location rather than --openssldir. The latter becomes
  139. the directory for certs, private key and openssl.cnf exclusively.
  140. o Reworked BIO networking library, with full support for IPv6.
  141. o New "unified" build system
  142. o New security levels
  143. o Support for scrypt algorithm
  144. o Support for X25519
  145. o Extended SSL_CONF support using configuration files
  146. o KDF algorithm support. Implement TLS PRF as a KDF.
  147. o Support for Certificate Transparency
  148. o HKDF support.
  149. Major changes between OpenSSL 1.0.2g and OpenSSL 1.0.2h [3 May 2016]
  150. o Prevent padding oracle in AES-NI CBC MAC check (CVE-2016-2107)
  151. o Fix EVP_EncodeUpdate overflow (CVE-2016-2105)
  152. o Fix EVP_EncryptUpdate overflow (CVE-2016-2106)
  153. o Prevent ASN.1 BIO excessive memory allocation (CVE-2016-2109)
  154. o EBCDIC overread (CVE-2016-2176)
  155. o Modify behavior of ALPN to invoke callback after SNI/servername
  156. callback, such that updates to the SSL_CTX affect ALPN.
  157. o Remove LOW from the DEFAULT cipher list. This removes singles DES from
  158. the default.
  159. o Only remove the SSLv2 methods with the no-ssl2-method option.
  160. Major changes between OpenSSL 1.0.2f and OpenSSL 1.0.2g [1 Mar 2016]
  161. o Disable weak ciphers in SSLv3 and up in default builds of OpenSSL.
  162. o Disable SSLv2 default build, default negotiation and weak ciphers
  163. (CVE-2016-0800)
  164. o Fix a double-free in DSA code (CVE-2016-0705)
  165. o Disable SRP fake user seed to address a server memory leak
  166. (CVE-2016-0798)
  167. o Fix BN_hex2bn/BN_dec2bn NULL pointer deref/heap corruption
  168. (CVE-2016-0797)
  169. o Fix memory issues in BIO_*printf functions (CVE-2016-0799)
  170. o Fix side channel attack on modular exponentiation (CVE-2016-0702)
  171. Major changes between OpenSSL 1.0.2e and OpenSSL 1.0.2f [28 Jan 2016]
  172. o DH small subgroups (CVE-2016-0701)
  173. o SSLv2 doesn't block disabled ciphers (CVE-2015-3197)
  174. Major changes between OpenSSL 1.0.2d and OpenSSL 1.0.2e [3 Dec 2015]
  175. o BN_mod_exp may produce incorrect results on x86_64 (CVE-2015-3193)
  176. o Certificate verify crash with missing PSS parameter (CVE-2015-3194)
  177. o X509_ATTRIBUTE memory leak (CVE-2015-3195)
  178. o Rewrite EVP_DecodeUpdate (base64 decoding) to fix several bugs
  179. o In DSA_generate_parameters_ex, if the provided seed is too short,
  180. return an error
  181. Major changes between OpenSSL 1.0.2c and OpenSSL 1.0.2d [9 Jul 2015]
  182. o Alternate chains certificate forgery (CVE-2015-1793)
  183. o Race condition handling PSK identify hint (CVE-2015-3196)
  184. Major changes between OpenSSL 1.0.2b and OpenSSL 1.0.2c [12 Jun 2015]
  185. o Fix HMAC ABI incompatibility
  186. Major changes between OpenSSL 1.0.2a and OpenSSL 1.0.2b [11 Jun 2015]
  187. o Malformed ECParameters causes infinite loop (CVE-2015-1788)
  188. o Exploitable out-of-bounds read in X509_cmp_time (CVE-2015-1789)
  189. o PKCS7 crash with missing EnvelopedContent (CVE-2015-1790)
  190. o CMS verify infinite loop with unknown hash function (CVE-2015-1792)
  191. o Race condition handling NewSessionTicket (CVE-2015-1791)
  192. Major changes between OpenSSL 1.0.2 and OpenSSL 1.0.2a [19 Mar 2015]
  193. o OpenSSL 1.0.2 ClientHello sigalgs DoS fix (CVE-2015-0291)
  194. o Multiblock corrupted pointer fix (CVE-2015-0290)
  195. o Segmentation fault in DTLSv1_listen fix (CVE-2015-0207)
  196. o Segmentation fault in ASN1_TYPE_cmp fix (CVE-2015-0286)
  197. o Segmentation fault for invalid PSS parameters fix (CVE-2015-0208)
  198. o ASN.1 structure reuse memory corruption fix (CVE-2015-0287)
  199. o PKCS7 NULL pointer dereferences fix (CVE-2015-0289)
  200. o DoS via reachable assert in SSLv2 servers fix (CVE-2015-0293)
  201. o Empty CKE with client auth and DHE fix (CVE-2015-1787)
  202. o Handshake with unseeded PRNG fix (CVE-2015-0285)
  203. o Use After Free following d2i_ECPrivatekey error fix (CVE-2015-0209)
  204. o X509_to_X509_REQ NULL pointer deref fix (CVE-2015-0288)
  205. o Removed the export ciphers from the DEFAULT ciphers
  206. Major changes between OpenSSL 1.0.1l and OpenSSL 1.0.2 [22 Jan 2015]:
  207. o Suite B support for TLS 1.2 and DTLS 1.2
  208. o Support for DTLS 1.2
  209. o TLS automatic EC curve selection.
  210. o API to set TLS supported signature algorithms and curves
  211. o SSL_CONF configuration API.
  212. o TLS Brainpool support.
  213. o ALPN support.
  214. o CMS support for RSA-PSS, RSA-OAEP, ECDH and X9.42 DH.
  215. Major changes between OpenSSL 1.0.1k and OpenSSL 1.0.1l [15 Jan 2015]
  216. o Build fixes for the Windows and OpenVMS platforms
  217. Major changes between OpenSSL 1.0.1j and OpenSSL 1.0.1k [8 Jan 2015]
  218. o Fix for CVE-2014-3571
  219. o Fix for CVE-2015-0206
  220. o Fix for CVE-2014-3569
  221. o Fix for CVE-2014-3572
  222. o Fix for CVE-2015-0204
  223. o Fix for CVE-2015-0205
  224. o Fix for CVE-2014-8275
  225. o Fix for CVE-2014-3570
  226. Major changes between OpenSSL 1.0.1i and OpenSSL 1.0.1j [15 Oct 2014]
  227. o Fix for CVE-2014-3513
  228. o Fix for CVE-2014-3567
  229. o Mitigation for CVE-2014-3566 (SSL protocol vulnerability)
  230. o Fix for CVE-2014-3568
  231. Major changes between OpenSSL 1.0.1h and OpenSSL 1.0.1i [6 Aug 2014]
  232. o Fix for CVE-2014-3512
  233. o Fix for CVE-2014-3511
  234. o Fix for CVE-2014-3510
  235. o Fix for CVE-2014-3507
  236. o Fix for CVE-2014-3506
  237. o Fix for CVE-2014-3505
  238. o Fix for CVE-2014-3509
  239. o Fix for CVE-2014-5139
  240. o Fix for CVE-2014-3508
  241. Major changes between OpenSSL 1.0.1g and OpenSSL 1.0.1h [5 Jun 2014]
  242. o Fix for CVE-2014-0224
  243. o Fix for CVE-2014-0221
  244. o Fix for CVE-2014-0198
  245. o Fix for CVE-2014-0195
  246. o Fix for CVE-2014-3470
  247. o Fix for CVE-2010-5298
  248. Major changes between OpenSSL 1.0.1f and OpenSSL 1.0.1g [7 Apr 2014]
  249. o Fix for CVE-2014-0160
  250. o Add TLS padding extension workaround for broken servers.
  251. o Fix for CVE-2014-0076
  252. Major changes between OpenSSL 1.0.1e and OpenSSL 1.0.1f [6 Jan 2014]
  253. o Don't include gmt_unix_time in TLS server and client random values
  254. o Fix for TLS record tampering bug CVE-2013-4353
  255. o Fix for TLS version checking bug CVE-2013-6449
  256. o Fix for DTLS retransmission bug CVE-2013-6450
  257. Major changes between OpenSSL 1.0.1d and OpenSSL 1.0.1e [11 Feb 2013]:
  258. o Corrected fix for CVE-2013-0169
  259. Major changes between OpenSSL 1.0.1c and OpenSSL 1.0.1d [4 Feb 2013]:
  260. o Fix renegotiation in TLS 1.1, 1.2 by using the correct TLS version.
  261. o Include the fips configuration module.
  262. o Fix OCSP bad key DoS attack CVE-2013-0166
  263. o Fix for SSL/TLS/DTLS CBC plaintext recovery attack CVE-2013-0169
  264. o Fix for TLS AESNI record handling flaw CVE-2012-2686
  265. Major changes between OpenSSL 1.0.1b and OpenSSL 1.0.1c [10 May 2012]:
  266. o Fix TLS/DTLS record length checking bug CVE-2012-2333
  267. o Don't attempt to use non-FIPS composite ciphers in FIPS mode.
  268. Major changes between OpenSSL 1.0.1a and OpenSSL 1.0.1b [26 Apr 2012]:
  269. o Fix compilation error on non-x86 platforms.
  270. o Make FIPS capable OpenSSL ciphers work in non-FIPS mode.
  271. o Fix SSL_OP_NO_TLSv1_1 clash with SSL_OP_ALL in OpenSSL 1.0.0
  272. Major changes between OpenSSL 1.0.1 and OpenSSL 1.0.1a [19 Apr 2012]:
  273. o Fix for ASN1 overflow bug CVE-2012-2110
  274. o Workarounds for some servers that hang on long client hellos.
  275. o Fix SEGV in AES code.
  276. Major changes between OpenSSL 1.0.0h and OpenSSL 1.0.1 [14 Mar 2012]:
  277. o TLS/DTLS heartbeat support.
  278. o SCTP support.
  279. o RFC 5705 TLS key material exporter.
  280. o RFC 5764 DTLS-SRTP negotiation.
  281. o Next Protocol Negotiation.
  282. o PSS signatures in certificates, requests and CRLs.
  283. o Support for password based recipient info for CMS.
  284. o Support TLS v1.2 and TLS v1.1.
  285. o Preliminary FIPS capability for unvalidated 2.0 FIPS module.
  286. o SRP support.
  287. Major changes between OpenSSL 1.0.0g and OpenSSL 1.0.0h [12 Mar 2012]:
  288. o Fix for CMS/PKCS#7 MMA CVE-2012-0884
  289. o Corrected fix for CVE-2011-4619
  290. o Various DTLS fixes.
  291. Major changes between OpenSSL 1.0.0f and OpenSSL 1.0.0g [18 Jan 2012]:
  292. o Fix for DTLS DoS issue CVE-2012-0050
  293. Major changes between OpenSSL 1.0.0e and OpenSSL 1.0.0f [4 Jan 2012]:
  294. o Fix for DTLS plaintext recovery attack CVE-2011-4108
  295. o Clear block padding bytes of SSL 3.0 records CVE-2011-4576
  296. o Only allow one SGC handshake restart for SSL/TLS CVE-2011-4619
  297. o Check parameters are not NULL in GOST ENGINE CVE-2012-0027
  298. o Check for malformed RFC3779 data CVE-2011-4577
  299. Major changes between OpenSSL 1.0.0d and OpenSSL 1.0.0e [6 Sep 2011]:
  300. o Fix for CRL vulnerability issue CVE-2011-3207
  301. o Fix for ECDH crashes CVE-2011-3210
  302. o Protection against EC timing attacks.
  303. o Support ECDH ciphersuites for certificates using SHA2 algorithms.
  304. o Various DTLS fixes.
  305. Major changes between OpenSSL 1.0.0c and OpenSSL 1.0.0d [8 Feb 2011]:
  306. o Fix for security issue CVE-2011-0014
  307. Major changes between OpenSSL 1.0.0b and OpenSSL 1.0.0c [2 Dec 2010]:
  308. o Fix for security issue CVE-2010-4180
  309. o Fix for CVE-2010-4252
  310. o Fix mishandling of absent EC point format extension.
  311. o Fix various platform compilation issues.
  312. o Corrected fix for security issue CVE-2010-3864.
  313. Major changes between OpenSSL 1.0.0a and OpenSSL 1.0.0b [16 Nov 2010]:
  314. o Fix for security issue CVE-2010-3864.
  315. o Fix for CVE-2010-2939
  316. o Fix WIN32 build system for GOST ENGINE.
  317. Major changes between OpenSSL 1.0.0 and OpenSSL 1.0.0a [1 Jun 2010]:
  318. o Fix for security issue CVE-2010-1633.
  319. o GOST MAC and CFB fixes.
  320. Major changes between OpenSSL 0.9.8n and OpenSSL 1.0.0 [29 Mar 2010]:
  321. o RFC3280 path validation: sufficient to process PKITS tests.
  322. o Integrated support for PVK files and keyblobs.
  323. o Change default private key format to PKCS#8.
  324. o CMS support: able to process all examples in RFC4134
  325. o Streaming ASN1 encode support for PKCS#7 and CMS.
  326. o Multiple signer and signer add support for PKCS#7 and CMS.
  327. o ASN1 printing support.
  328. o Whirlpool hash algorithm added.
  329. o RFC3161 time stamp support.
  330. o New generalised public key API supporting ENGINE based algorithms.
  331. o New generalised public key API utilities.
  332. o New ENGINE supporting GOST algorithms.
  333. o SSL/TLS GOST ciphersuite support.
  334. o PKCS#7 and CMS GOST support.
  335. o RFC4279 PSK ciphersuite support.
  336. o Supported points format extension for ECC ciphersuites.
  337. o ecdsa-with-SHA224/256/384/512 signature types.
  338. o dsa-with-SHA224 and dsa-with-SHA256 signature types.
  339. o Opaque PRF Input TLS extension support.
  340. o Updated time routines to avoid OS limitations.
  341. Major changes between OpenSSL 0.9.8m and OpenSSL 0.9.8n [24 Mar 2010]:
  342. o CFB cipher definition fixes.
  343. o Fix security issues CVE-2010-0740 and CVE-2010-0433.
  344. Major changes between OpenSSL 0.9.8l and OpenSSL 0.9.8m [25 Feb 2010]:
  345. o Cipher definition fixes.
  346. o Workaround for slow RAND_poll() on some WIN32 versions.
  347. o Remove MD2 from algorithm tables.
  348. o SPKAC handling fixes.
  349. o Support for RFC5746 TLS renegotiation extension.
  350. o Compression memory leak fixed.
  351. o Compression session resumption fixed.
  352. o Ticket and SNI coexistence fixes.
  353. o Many fixes to DTLS handling.
  354. Major changes between OpenSSL 0.9.8k and OpenSSL 0.9.8l [5 Nov 2009]:
  355. o Temporary work around for CVE-2009-3555: disable renegotiation.
  356. Major changes between OpenSSL 0.9.8j and OpenSSL 0.9.8k [25 Mar 2009]:
  357. o Fix various build issues.
  358. o Fix security issues (CVE-2009-0590, CVE-2009-0591, CVE-2009-0789)
  359. Major changes between OpenSSL 0.9.8i and OpenSSL 0.9.8j [7 Jan 2009]:
  360. o Fix security issue (CVE-2008-5077)
  361. o Merge FIPS 140-2 branch code.
  362. Major changes between OpenSSL 0.9.8g and OpenSSL 0.9.8h [28 May 2008]:
  363. o CryptoAPI ENGINE support.
  364. o Various precautionary measures.
  365. o Fix for bugs affecting certificate request creation.
  366. o Support for local machine keyset attribute in PKCS#12 files.
  367. Major changes between OpenSSL 0.9.8f and OpenSSL 0.9.8g [19 Oct 2007]:
  368. o Backport of CMS functionality to 0.9.8.
  369. o Fixes for bugs introduced with 0.9.8f.
  370. Major changes between OpenSSL 0.9.8e and OpenSSL 0.9.8f [11 Oct 2007]:
  371. o Add gcc 4.2 support.
  372. o Add support for AES and SSE2 assembly language optimization
  373. for VC++ build.
  374. o Support for RFC4507bis and server name extensions if explicitly
  375. selected at compile time.
  376. o DTLS improvements.
  377. o RFC4507bis support.
  378. o TLS Extensions support.
  379. Major changes between OpenSSL 0.9.8d and OpenSSL 0.9.8e [23 Feb 2007]:
  380. o Various ciphersuite selection fixes.
  381. o RFC3779 support.
  382. Major changes between OpenSSL 0.9.8c and OpenSSL 0.9.8d [28 Sep 2006]:
  383. o Introduce limits to prevent malicious key DoS (CVE-2006-2940)
  384. o Fix security issues (CVE-2006-2937, CVE-2006-3737, CVE-2006-4343)
  385. o Changes to ciphersuite selection algorithm
  386. Major changes between OpenSSL 0.9.8b and OpenSSL 0.9.8c [5 Sep 2006]:
  387. o Fix Daniel Bleichenbacher forged signature attack, CVE-2006-4339
  388. o New cipher Camellia
  389. Major changes between OpenSSL 0.9.8a and OpenSSL 0.9.8b [4 May 2006]:
  390. o Cipher string fixes.
  391. o Fixes for VC++ 2005.
  392. o Updated ECC cipher suite support.
  393. o New functions EVP_CIPHER_CTX_new() and EVP_CIPHER_CTX_free().
  394. o Zlib compression usage fixes.
  395. o Built in dynamic engine compilation support on Win32.
  396. o Fixes auto dynamic engine loading in Win32.
  397. Major changes between OpenSSL 0.9.8 and OpenSSL 0.9.8a [11 Oct 2005]:
  398. o Fix potential SSL 2.0 rollback, CVE-2005-2969
  399. o Extended Windows CE support
  400. Major changes between OpenSSL 0.9.7g and OpenSSL 0.9.8 [5 Jul 2005]:
  401. o Major work on the BIGNUM library for higher efficiency and to
  402. make operations more streamlined and less contradictory. This
  403. is the result of a major audit of the BIGNUM library.
  404. o Addition of BIGNUM functions for fields GF(2^m) and NIST
  405. curves, to support the Elliptic Crypto functions.
  406. o Major work on Elliptic Crypto; ECDH and ECDSA added, including
  407. the use through EVP, X509 and ENGINE.
  408. o New ASN.1 mini-compiler that's usable through the OpenSSL
  409. configuration file.
  410. o Added support for ASN.1 indefinite length constructed encoding.
  411. o New PKCS#12 'medium level' API to manipulate PKCS#12 files.
  412. o Complete rework of shared library construction and linking
  413. programs with shared or static libraries, through a separate
  414. Makefile.shared.
  415. o Rework of the passing of parameters from one Makefile to another.
  416. o Changed ENGINE framework to load dynamic engine modules
  417. automatically from specifically given directories.
  418. o New structure and ASN.1 functions for CertificatePair.
  419. o Changed the ZLIB compression method to be stateful.
  420. o Changed the key-generation and primality testing "progress"
  421. mechanism to take a structure that contains the ticker
  422. function and an argument.
  423. o New engine module: GMP (performs private key exponentiation).
  424. o New engine module: VIA PadLOck ACE extension in VIA C3
  425. Nehemiah processors.
  426. o Added support for IPv6 addresses in certificate extensions.
  427. See RFC 1884, section 2.2.
  428. o Added support for certificate policy mappings, policy
  429. constraints and name constraints.
  430. o Added support for multi-valued AVAs in the OpenSSL
  431. configuration file.
  432. o Added support for multiple certificates with the same subject
  433. in the 'openssl ca' index file.
  434. o Make it possible to create self-signed certificates using
  435. 'openssl ca -selfsign'.
  436. o Make it possible to generate a serial number file with
  437. 'openssl ca -create_serial'.
  438. o New binary search functions with extended functionality.
  439. o New BUF functions.
  440. o New STORE structure and library to provide an interface to all
  441. sorts of data repositories. Supports storage of public and
  442. private keys, certificates, CRLs, numbers and arbitrary blobs.
  443. This library is unfortunately unfinished and unused within
  444. OpenSSL.
  445. o New control functions for the error stack.
  446. o Changed the PKCS#7 library to support one-pass S/MIME
  447. processing.
  448. o Added the possibility to compile without old deprecated
  449. functionality with the OPENSSL_NO_DEPRECATED macro or the
  450. 'no-deprecated' argument to the config and Configure scripts.
  451. o Constification of all ASN.1 conversion functions, and other
  452. affected functions.
  453. o Improved platform support for PowerPC.
  454. o New FIPS 180-2 algorithms (SHA-224, -256, -384 and -512).
  455. o New X509_VERIFY_PARAM structure to support parameterisation
  456. of X.509 path validation.
  457. o Major overhaul of RC4 performance on Intel P4, IA-64 and
  458. AMD64.
  459. o Changed the Configure script to have some algorithms disabled
  460. by default. Those can be explicitly enabled with the new
  461. argument form 'enable-xxx'.
  462. o Change the default digest in 'openssl' commands from MD5 to
  463. SHA-1.
  464. o Added support for DTLS.
  465. o New BIGNUM blinding.
  466. o Added support for the RSA-PSS encryption scheme
  467. o Added support for the RSA X.931 padding.
  468. o Added support for BSD sockets on NetWare.
  469. o Added support for files larger than 2GB.
  470. o Added initial support for Win64.
  471. o Added alternate pkg-config files.
  472. Major changes between OpenSSL 0.9.7l and OpenSSL 0.9.7m [23 Feb 2007]:
  473. o FIPS 1.1.1 module linking.
  474. o Various ciphersuite selection fixes.
  475. Major changes between OpenSSL 0.9.7k and OpenSSL 0.9.7l [28 Sep 2006]:
  476. o Introduce limits to prevent malicious key DoS (CVE-2006-2940)
  477. o Fix security issues (CVE-2006-2937, CVE-2006-3737, CVE-2006-4343)
  478. Major changes between OpenSSL 0.9.7j and OpenSSL 0.9.7k [5 Sep 2006]:
  479. o Fix Daniel Bleichenbacher forged signature attack, CVE-2006-4339
  480. Major changes between OpenSSL 0.9.7i and OpenSSL 0.9.7j [4 May 2006]:
  481. o Visual C++ 2005 fixes.
  482. o Update Windows build system for FIPS.
  483. Major changes between OpenSSL 0.9.7h and OpenSSL 0.9.7i [14 Oct 2005]:
  484. o Give EVP_MAX_MD_SIZE it's old value, except for a FIPS build.
  485. Major changes between OpenSSL 0.9.7g and OpenSSL 0.9.7h [11 Oct 2005]:
  486. o Fix SSL 2.0 Rollback, CVE-2005-2969
  487. o Allow use of fixed-length exponent on DSA signing
  488. o Default fixed-window RSA, DSA, DH private-key operations
  489. Major changes between OpenSSL 0.9.7f and OpenSSL 0.9.7g [11 Apr 2005]:
  490. o More compilation issues fixed.
  491. o Adaptation to more modern Kerberos API.
  492. o Enhanced or corrected configuration for Solaris64, Mingw and Cygwin.
  493. o Enhanced x86_64 assembler BIGNUM module.
  494. o More constification.
  495. o Added processing of proxy certificates (RFC 3820).
  496. Major changes between OpenSSL 0.9.7e and OpenSSL 0.9.7f [22 Mar 2005]:
  497. o Several compilation issues fixed.
  498. o Many memory allocation failure checks added.
  499. o Improved comparison of X509 Name type.
  500. o Mandatory basic checks on certificates.
  501. o Performance improvements.
  502. Major changes between OpenSSL 0.9.7d and OpenSSL 0.9.7e [25 Oct 2004]:
  503. o Fix race condition in CRL checking code.
  504. o Fixes to PKCS#7 (S/MIME) code.
  505. Major changes between OpenSSL 0.9.7c and OpenSSL 0.9.7d [17 Mar 2004]:
  506. o Security: Fix Kerberos ciphersuite SSL/TLS handshaking bug
  507. o Security: Fix null-pointer assignment in do_change_cipher_spec()
  508. o Allow multiple active certificates with same subject in CA index
  509. o Multiple X509 verification fixes
  510. o Speed up HMAC and other operations
  511. Major changes between OpenSSL 0.9.7b and OpenSSL 0.9.7c [30 Sep 2003]:
  512. o Security: fix various ASN1 parsing bugs.
  513. o New -ignore_err option to OCSP utility.
  514. o Various interop and bug fixes in S/MIME code.
  515. o SSL/TLS protocol fix for unrequested client certificates.
  516. Major changes between OpenSSL 0.9.7a and OpenSSL 0.9.7b [10 Apr 2003]:
  517. o Security: counter the Klima-Pokorny-Rosa extension of
  518. Bleichbacher's attack
  519. o Security: make RSA blinding default.
  520. o Configuration: Irix fixes, AIX fixes, better mingw support.
  521. o Support for new platforms: linux-ia64-ecc.
  522. o Build: shared library support fixes.
  523. o ASN.1: treat domainComponent correctly.
  524. o Documentation: fixes and additions.
  525. Major changes between OpenSSL 0.9.7 and OpenSSL 0.9.7a [19 Feb 2003]:
  526. o Security: Important security related bugfixes.
  527. o Enhanced compatibility with MIT Kerberos.
  528. o Can be built without the ENGINE framework.
  529. o IA32 assembler enhancements.
  530. o Support for new platforms: FreeBSD/IA64 and FreeBSD/Sparc64.
  531. o Configuration: the no-err option now works properly.
  532. o SSL/TLS: now handles manual certificate chain building.
  533. o SSL/TLS: certain session ID malfunctions corrected.
  534. Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.7 [30 Dec 2002]:
  535. o New library section OCSP.
  536. o Complete rewrite of ASN1 code.
  537. o CRL checking in verify code and openssl utility.
  538. o Extension copying in 'ca' utility.
  539. o Flexible display options in 'ca' utility.
  540. o Provisional support for international characters with UTF8.
  541. o Support for external crypto devices ('engine') is no longer
  542. a separate distribution.
  543. o New elliptic curve library section.
  544. o New AES (Rijndael) library section.
  545. o Support for new platforms: Windows CE, Tandem OSS, A/UX, AIX 64-bit,
  546. Linux x86_64, Linux 64-bit on Sparc v9
  547. o Extended support for some platforms: VxWorks
  548. o Enhanced support for shared libraries.
  549. o Now only builds PIC code when shared library support is requested.
  550. o Support for pkg-config.
  551. o Lots of new manuals.
  552. o Makes symbolic links to or copies of manuals to cover all described
  553. functions.
  554. o Change DES API to clean up the namespace (some applications link also
  555. against libdes providing similar functions having the same name).
  556. Provide macros for backward compatibility (will be removed in the
  557. future).
  558. o Unify handling of cryptographic algorithms (software and engine)
  559. to be available via EVP routines for asymmetric and symmetric ciphers.
  560. o NCONF: new configuration handling routines.
  561. o Change API to use more 'const' modifiers to improve error checking
  562. and help optimizers.
  563. o Finally remove references to RSAref.
  564. o Reworked parts of the BIGNUM code.
  565. o Support for new engines: Broadcom ubsec, Accelerated Encryption
  566. Processing, IBM 4758.
  567. o A few new engines added in the demos area.
  568. o Extended and corrected OID (object identifier) table.
  569. o PRNG: query at more locations for a random device, automatic query for
  570. EGD style random sources at several locations.
  571. o SSL/TLS: allow optional cipher choice according to server's preference.
  572. o SSL/TLS: allow server to explicitly set new session ids.
  573. o SSL/TLS: support Kerberos cipher suites (RFC2712).
  574. Only supports MIT Kerberos for now.
  575. o SSL/TLS: allow more precise control of renegotiations and sessions.
  576. o SSL/TLS: add callback to retrieve SSL/TLS messages.
  577. o SSL/TLS: support AES cipher suites (RFC3268).
  578. Major changes between OpenSSL 0.9.6j and OpenSSL 0.9.6k [30 Sep 2003]:
  579. o Security: fix various ASN1 parsing bugs.
  580. o SSL/TLS protocol fix for unrequested client certificates.
  581. Major changes between OpenSSL 0.9.6i and OpenSSL 0.9.6j [10 Apr 2003]:
  582. o Security: counter the Klima-Pokorny-Rosa extension of
  583. Bleichbacher's attack
  584. o Security: make RSA blinding default.
  585. o Build: shared library support fixes.
  586. Major changes between OpenSSL 0.9.6h and OpenSSL 0.9.6i [19 Feb 2003]:
  587. o Important security related bugfixes.
  588. Major changes between OpenSSL 0.9.6g and OpenSSL 0.9.6h [5 Dec 2002]:
  589. o New configuration targets for Tandem OSS and A/UX.
  590. o New OIDs for Microsoft attributes.
  591. o Better handling of SSL session caching.
  592. o Better comparison of distinguished names.
  593. o Better handling of shared libraries in a mixed GNU/non-GNU environment.
  594. o Support assembler code with Borland C.
  595. o Fixes for length problems.
  596. o Fixes for uninitialised variables.
  597. o Fixes for memory leaks, some unusual crashes and some race conditions.
  598. o Fixes for smaller building problems.
  599. o Updates of manuals, FAQ and other instructive documents.
  600. Major changes between OpenSSL 0.9.6f and OpenSSL 0.9.6g [9 Aug 2002]:
  601. o Important building fixes on Unix.
  602. Major changes between OpenSSL 0.9.6e and OpenSSL 0.9.6f [8 Aug 2002]:
  603. o Various important bugfixes.
  604. Major changes between OpenSSL 0.9.6d and OpenSSL 0.9.6e [30 Jul 2002]:
  605. o Important security related bugfixes.
  606. o Various SSL/TLS library bugfixes.
  607. Major changes between OpenSSL 0.9.6c and OpenSSL 0.9.6d [9 May 2002]:
  608. o Various SSL/TLS library bugfixes.
  609. o Fix DH parameter generation for 'non-standard' generators.
  610. Major changes between OpenSSL 0.9.6b and OpenSSL 0.9.6c [21 Dec 2001]:
  611. o Various SSL/TLS library bugfixes.
  612. o BIGNUM library fixes.
  613. o RSA OAEP and random number generation fixes.
  614. o Object identifiers corrected and added.
  615. o Add assembler BN routines for IA64.
  616. o Add support for OS/390 Unix, UnixWare with gcc, OpenUNIX 8,
  617. MIPS Linux; shared library support for Irix, HP-UX.
  618. o Add crypto accelerator support for AEP, Baltimore SureWare,
  619. Broadcom and Cryptographic Appliance's keyserver
  620. [in 0.9.6c-engine release].
  621. Major changes between OpenSSL 0.9.6a and OpenSSL 0.9.6b [9 Jul 2001]:
  622. o Security fix: PRNG improvements.
  623. o Security fix: RSA OAEP check.
  624. o Security fix: Reinsert and fix countermeasure to Bleichbacher's
  625. attack.
  626. o MIPS bug fix in BIGNUM.
  627. o Bug fix in "openssl enc".
  628. o Bug fix in X.509 printing routine.
  629. o Bug fix in DSA verification routine and DSA S/MIME verification.
  630. o Bug fix to make PRNG thread-safe.
  631. o Bug fix in RAND_file_name().
  632. o Bug fix in compatibility mode trust settings.
  633. o Bug fix in blowfish EVP.
  634. o Increase default size for BIO buffering filter.
  635. o Compatibility fixes in some scripts.
  636. Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.6a [5 Apr 2001]:
  637. o Security fix: change behavior of OpenSSL to avoid using
  638. environment variables when running as root.
  639. o Security fix: check the result of RSA-CRT to reduce the
  640. possibility of deducing the private key from an incorrectly
  641. calculated signature.
  642. o Security fix: prevent Bleichenbacher's DSA attack.
  643. o Security fix: Zero the premaster secret after deriving the
  644. master secret in DH ciphersuites.
  645. o Reimplement SSL_peek(), which had various problems.
  646. o Compatibility fix: the function des_encrypt() renamed to
  647. des_encrypt1() to avoid clashes with some Unixen libc.
  648. o Bug fixes for Win32, HP/UX and Irix.
  649. o Bug fixes in BIGNUM, SSL, PKCS#7, PKCS#12, X.509, CONF and
  650. memory checking routines.
  651. o Bug fixes for RSA operations in threaded environments.
  652. o Bug fixes in misc. openssl applications.
  653. o Remove a few potential memory leaks.
  654. o Add tighter checks of BIGNUM routines.
  655. o Shared library support has been reworked for generality.
  656. o More documentation.
  657. o New function BN_rand_range().
  658. o Add "-rand" option to openssl s_client and s_server.
  659. Major changes between OpenSSL 0.9.5a and OpenSSL 0.9.6 [10 Oct 2000]:
  660. o Some documentation for BIO and SSL libraries.
  661. o Enhanced chain verification using key identifiers.
  662. o New sign and verify options to 'dgst' application.
  663. o Support for DER and PEM encoded messages in 'smime' application.
  664. o New 'rsautl' application, low level RSA utility.
  665. o MD4 now included.
  666. o Bugfix for SSL rollback padding check.
  667. o Support for external crypto devices [1].
  668. o Enhanced EVP interface.
  669. [1] The support for external crypto devices is currently a separate
  670. distribution. See the file README.ENGINE.
  671. Major changes between OpenSSL 0.9.5 and OpenSSL 0.9.5a [1 Apr 2000]:
  672. o Bug fixes for Win32, SuSE Linux, NeXTSTEP and FreeBSD 2.2.8
  673. o Shared library support for HPUX and Solaris-gcc
  674. o Support of Linux/IA64
  675. o Assembler support for Mingw32
  676. o New 'rand' application
  677. o New way to check for existence of algorithms from scripts
  678. Major changes between OpenSSL 0.9.4 and OpenSSL 0.9.5 [25 May 2000]:
  679. o S/MIME support in new 'smime' command
  680. o Documentation for the OpenSSL command line application
  681. o Automation of 'req' application
  682. o Fixes to make s_client, s_server work under Windows
  683. o Support for multiple fieldnames in SPKACs
  684. o New SPKAC command line utility and associated library functions
  685. o Options to allow passwords to be obtained from various sources
  686. o New public key PEM format and options to handle it
  687. o Many other fixes and enhancements to command line utilities
  688. o Usable certificate chain verification
  689. o Certificate purpose checking
  690. o Certificate trust settings
  691. o Support of authority information access extension
  692. o Extensions in certificate requests
  693. o Simplified X509 name and attribute routines
  694. o Initial (incomplete) support for international character sets
  695. o New DH_METHOD, DSA_METHOD and enhanced RSA_METHOD
  696. o Read only memory BIOs and simplified creation function
  697. o TLS/SSL protocol bugfixes: Accept TLS 'client hello' in SSL 3.0
  698. record; allow fragmentation and interleaving of handshake and other
  699. data
  700. o TLS/SSL code now "tolerates" MS SGC
  701. o Work around for Netscape client certificate hang bug
  702. o RSA_NULL option that removes RSA patent code but keeps other
  703. RSA functionality
  704. o Memory leak detection now allows applications to add extra information
  705. via a per-thread stack
  706. o PRNG robustness improved
  707. o EGD support
  708. o BIGNUM library bug fixes
  709. o Faster DSA parameter generation
  710. o Enhanced support for Alpha Linux
  711. o Experimental MacOS support
  712. Major changes between OpenSSL 0.9.3 and OpenSSL 0.9.4 [9 Aug 1999]:
  713. o Transparent support for PKCS#8 format private keys: these are used
  714. by several software packages and are more secure than the standard
  715. form
  716. o PKCS#5 v2.0 implementation
  717. o Password callbacks have a new void * argument for application data
  718. o Avoid various memory leaks
  719. o New pipe-like BIO that allows using the SSL library when actual I/O
  720. must be handled by the application (BIO pair)
  721. Major changes between OpenSSL 0.9.2b and OpenSSL 0.9.3 [24 May 1999]:
  722. o Lots of enhancements and cleanups to the Configuration mechanism
  723. o RSA OEAP related fixes
  724. o Added `openssl ca -revoke' option for revoking a certificate
  725. o Source cleanups: const correctness, type-safe stacks and ASN.1 SETs
  726. o Source tree cleanups: removed lots of obsolete files
  727. o Thawte SXNet, certificate policies and CRL distribution points
  728. extension support
  729. o Preliminary (experimental) S/MIME support
  730. o Support for ASN.1 UTF8String and VisibleString
  731. o Full integration of PKCS#12 code
  732. o Sparc assembler bignum implementation, optimized hash functions
  733. o Option to disable selected ciphers
  734. Major changes between OpenSSL 0.9.1c and OpenSSL 0.9.2b [22 Mar 1999]:
  735. o Fixed a security hole related to session resumption
  736. o Fixed RSA encryption routines for the p < q case
  737. o "ALL" in cipher lists now means "everything except NULL ciphers"
  738. o Support for Triple-DES CBCM cipher
  739. o Support of Optimal Asymmetric Encryption Padding (OAEP) for RSA
  740. o First support for new TLSv1 ciphers
  741. o Added a few new BIOs (syslog BIO, reliable BIO)
  742. o Extended support for DSA certificate/keys.
  743. o Extended support for Certificate Signing Requests (CSR)
  744. o Initial support for X.509v3 extensions
  745. o Extended support for compression inside the SSL record layer
  746. o Overhauled Win32 builds
  747. o Cleanups and fixes to the Big Number (BN) library
  748. o Support for ASN.1 GeneralizedTime
  749. o Splitted ASN.1 SETs from SEQUENCEs
  750. o ASN1 and PEM support for Netscape Certificate Sequences
  751. o Overhauled Perl interface
  752. o Lots of source tree cleanups.
  753. o Lots of memory leak fixes.
  754. o Lots of bug fixes.
  755. Major changes between SSLeay 0.9.0b and OpenSSL 0.9.1c [23 Dec 1998]:
  756. o Integration of the popular NO_RSA/NO_DSA patches
  757. o Initial support for compression inside the SSL record layer
  758. o Added BIO proxy and filtering functionality
  759. o Extended Big Number (BN) library
  760. o Added RIPE MD160 message digest
  761. o Added support for RC2/64bit cipher
  762. o Extended ASN.1 parser routines
  763. o Adjustments of the source tree for CVS
  764. o Support for various new platforms
  765.