blob: e9be97bd43b35c652407d216f7c4accd284ebaab [file] [log] [blame]
Paul Bakkerdaae3b72015-02-08 15:49:54 +01001mbed TLS ChangeLog (Sorted per branch, date)
Paul Bakker99ed6782011-01-05 14:48:42 +00002
Gilles Peskine36091fe2017-05-03 16:55:03 +02003= mbed TLS 2.x.x branch released xxxx-xx-xx
Hanno Beckereccf60c2017-06-05 15:19:01 +01004
Gilles Peskine5e79cb32017-05-04 16:17:21 +02005Security
Gilles Peskine5d2511c2017-05-12 13:16:40 +02006 * Removed SHA-1 and RIPEMD-160 from the default hash algorithms for
7 certificate verification. SHA-1 can be turned back on with a compile-time
8 option if needed.
Gilles Peskined50177f2017-05-16 17:53:03 +02009 * Fixed offset in FALLBACK_SCSV parsing that caused TLS server to fail to
10 detect it sometimes. Reported by Hugo Leisink. #810
Gilles Peskine5e79cb32017-05-04 16:17:21 +020011
Hanno Beckereccf60c2017-06-05 15:19:01 +010012Bugfix
13 * Remove invalid use of size zero arrays in ECJPAKE test suite.
Hanno Becker7e5437a2017-04-28 17:15:26 +010014 * Fix insufficient support for signature-hash-algorithm extension,
15 resulting in compatibility problems with Chrome. Found by hfloyrd. #823
Gilles Peskine3df98f52017-05-10 17:47:40 +020016 * If sending a fatal alert fails, make sure not to hide the error
17 that triggered the alert.
18 * In SSLv3, if refusing a renegotiation attempt, don't process any further
19 data.
Hanno Becker39ae8cd2017-05-08 16:31:14 +010020 * Accept empty trusted CA chain in authentication mode
21 MBEDTLS_SSL_VERIFY_OPTIONAL.
22 Fixes #864. Found by jethrogb.
23 * Fix implementation of mbedtls_ssl_parse_certificate
24 to not annihilate fatal errors in authentication mode
25 MBEDTLS_SSL_VERIFY_OPTIONAL and to reflect bad EC curves
26 within verification result.
Hanno Becker072e8062017-05-04 17:37:38 +010027 * Fix modular inversion function on invalid modulus 1.
28 Found by blaufish. Fixes #641.
29 * Fix incorrect sign computation in modular exponentiation
30 when dealing with negative MPI. Found by Guido Vranken.
Hanno Beckerb2034b72017-04-26 11:46:46 +010031 * Fix potential stack underflow in mpi_read_file.
32 Found by Guido Vranken.
Gilles Peskine3df98f52017-05-10 17:47:40 +020033
Gilles Peskine36091fe2017-05-03 16:55:03 +020034Changes
35 * Send fatal alerts in many more cases instead of dropping the connection.
Janos Follath0a5154b2017-03-10 11:31:41 +000036 * Clarify ECDSA documentation and improve the sample code to avoid
37 misunderstandings and potentially dangerous use of the API. Pointed out
38 by Jean-Philippe Aumasson.
Ron Eldorb68733b2017-06-18 16:03:14 +030039 * Add support for alternative implementation for ECDSA, controlled by new
40 configuration flag MBEDTLS_ECDSA_ALT in config.h.
41 Alternative Ecdsa is supported for implementation of `mbedtls_ecdsa_sign`
42 and `mbedtls_ecdsa_verify`.
Gilles Peskine36091fe2017-05-03 16:55:03 +020043
Simon Butcher9f770172017-05-15 15:13:59 +010044= mbed TLS 2.5.0 branch released 2017-05-17
Andres Amaya Garcia75fdf632017-05-02 16:01:20 +010045
Janos Follath45182a02017-03-23 10:41:56 +000046Security
Gilles Peskine4a7f6a02017-03-23 14:37:37 +010047 * Wipe stack buffers in RSA private key operations
48 (rsa_rsaes_pkcs1_v15_decrypt(), rsa_rsaes_oaep_decrypt).
49 Found by Laurent Simon.
Janos Follath45182a02017-03-23 10:41:56 +000050 * Add exponent blinding to RSA private operations as a countermeasure
51 against side-channel attacks like the cache attack described in
52 https://arxiv.org/abs/1702.08719v2.
53 Found and fix proposed by Michael Schwarz, Samuel Weiser, Daniel Gruss,
54 Clémentine Maurice and Stefan Mangard.
55
Simon Butcher4775e832017-05-13 22:56:08 +010056Features
57 * Exposed parts of the Elliptic Curve Point internal interface, to provide
58 interface for external hardware acceleration code.
Janos Follath7a8a0902017-04-10 16:13:06 +010059 * Add a new configuration option to 'mbedtls_ssl_config' to enable
60 suppressing the CA list in Certificate Request messages. The default
61 behaviour has not changed, namely every configured CAs name is included.
62
Andres AGf5bf7182017-03-03 14:09:56 +000063API Changes
64 * The following functions in the AES module have been deprecated and replaced
65 by the functions shown below. The new functions change the return type from
66 void to int to allow returning error codes when using MBEDTLS_AES_ALT,
67 MBEDTLS_AES_DECRYPT_ALT or MBEDTLS_AES_ENCRYPT_ALT.
68 mbedtls_aes_decrypt() -> mbedtls_internal_aes_decrypt()
69 mbedtls_aes_encrypt() -> mbedtls_internal_aes_encrypt()
70
Andres Amaya Garcia75fdf632017-05-02 16:01:20 +010071Bugfix
72 * Remove macros from compat-1.3.h that correspond to deleted items from most
73 recent versions of the library. Found by Kyle Keen.
Simon Butcher77da9532017-05-13 23:00:05 +010074 * Fixed issue in mutexes to failing to initialise. #667
Andres Amaya Garcia75fdf632017-05-02 16:01:20 +010075
Simon Butcherb65c2be2017-03-10 18:50:44 +000076= mbed TLS 2.4.2 branch released 2017-03-08
Andres AG703990b2016-10-24 11:23:36 +010077
Janos Follath182013f2016-10-25 10:50:22 +010078Security
Simon Butcherb65c2be2017-03-10 18:50:44 +000079 * Add checks to prevent signature forgeries for very large messages while
80 using RSA through the PK module in 64-bit systems. The issue was caused by
81 some data loss when casting a size_t to an unsigned int value in the
82 functions rsa_verify_wrap(), rsa_sign_wrap(), rsa_alt_sign_wrap() and
83 mbedtls_pk_sign(). Found by Jean-Philippe Aumasson.
Andres AG939954c2016-12-08 17:08:44 +000084 * Fixed potential livelock during the parsing of a CRL in PEM format in
85 mbedtls_x509_crl_parse(). A string containing a CRL followed by trailing
86 characters after the footer could result in the execution of an infinite
87 loop. The issue can be triggered remotely. Found by Greg Zaverucha,
88 Microsoft.
Janos Follath182013f2016-10-25 10:50:22 +010089 * Removed MD5 from the allowed hash algorithms for CertificateRequest and
90 CertificateVerify messages, to prevent SLOTH attacks against TLS 1.2.
Simon Butcher0621b1f2017-02-05 16:48:47 +000091 Introduced by interoperability fix for #513.
Janos Follath7dadc2f2017-01-27 16:05:20 +000092 * Fixed a bug that caused freeing a buffer that was allocated on the stack,
93 when verifying the validity of a key on secp224k1. This could be
94 triggered remotely for example with a maliciously constructed certificate
Simon Butcher71e9d582017-02-28 18:47:27 +000095 and potentially could lead to remote code execution on some platforms.
Simon Butcher8b987502017-03-07 12:37:14 +000096 Reported independently by rongsaws and Aleksandar Nikolic, Cisco Talos
97 team. #569 CVE-2017-2784
Janos Follath7dadc2f2017-01-27 16:05:20 +000098
Andres AG703990b2016-10-24 11:23:36 +010099Bugfix
Andres AGd1650662016-12-09 17:26:23 +0000100 * Fix output certificate verification flags set by x509_crt_verify_top() when
101 traversing a chain of trusted CA. The issue would cause both flags,
102 MBEDTLS_X509_BADCERT_NOT_TRUSTED and MBEDTLS_X509_BADCERT_EXPIRED, to be
103 set when the verification conditions are not met regardless of the cause.
104 Found by Harm Verhagen and inestlerode. #665 #561
Simon Butcherd57c8f02017-02-02 13:08:37 +0000105 * Fix the redefinition of macro ssl_set_bio to an undefined symbol
106 mbedtls_ssl_set_bio_timeout in compat-1.3.h, by removing it.
107 Found by omlib-lin. #673
Andres AGc0db5112016-12-07 15:05:53 +0000108 * Fix unused variable/function compilation warnings in pem.c, x509_crt.c and
109 x509_csr.c that are reported when building mbed TLS with a config.h that
Simon Butchera333b3c2017-02-02 16:17:37 +0000110 does not define MBEDTLS_PEM_PARSE_C. Found by omnium21. #562
Andres AG2196c7f2016-12-15 17:01:16 +0000111 * Fix incorrect renegotiation condition in ssl_check_ctr_renegotiate() that
112 would compare 64 bits of the record counter instead of 48 bits as indicated
113 in RFC 6347 Section 4.3.1. This could cause the execution of the
114 renegotiation routines at unexpected times when the protocol is DTLS. Found
115 by wariua. #687
Andres AG703990b2016-10-24 11:23:36 +0100116 * Fixed multiple buffer overreads in mbedtls_pem_read_buffer() when parsing
Andres AG9c94b692016-10-24 14:31:54 +0100117 the input string in PEM format to extract the different components. Found
Andres AG703990b2016-10-24 11:23:36 +0100118 by Eyal Itkin.
Andres Amaya Garcia6a543362017-01-17 23:04:22 +0000119 * Fixed potential arithmetic overflow in mbedtls_ctr_drbg_reseed() that could
120 cause buffer bound checks to be bypassed. Found by Eyal Itkin.
121 * Fixed potential arithmetic overflows in mbedtls_cipher_update() that could
122 cause buffer bound checks to be bypassed. Found by Eyal Itkin.
123 * Fixed potential arithmetic overflow in mbedtls_md2_update() that could
124 cause buffer bound checks to be bypassed. Found by Eyal Itkin.
Andres AG4623d832017-01-18 17:21:03 +0000125 * Fixed potential arithmetic overflow in mbedtls_base64_decode() that could
126 cause buffer bound checks to be bypassed. Found by Eyal Itkin.
Janos Follath87c98072017-02-03 12:36:59 +0000127 * Fixed heap overreads in mbedtls_x509_get_time(). Found by Peng
128 Li/Yueh-Hsun Lin, KNOX Security, Samsung Research America.
Andres AG5708dcb2016-12-08 17:19:21 +0000129 * Fix potential memory leak in mbedtls_x509_crl_parse(). The leak was caused
130 by missing calls to mbedtls_pem_free() in cases when a
Simon Butcherd02dc142017-02-28 16:36:22 +0000131 MBEDTLS_ERR_PEM_NO_HEADER_FOOTER_PRESENT error was encountered. Found and
132 fix proposed by Guido Vranken. #722
Simon Butcher956c58f2017-03-02 09:18:09 +0000133 * Fixed the templates used to generate project and solution files for Visual
134 Studio 2015 as well as the files themselves, to remove a build warning
135 generated in Visual Studio 2015. Reported by Steve Valliere. #742
Ron Eldor12e0b802017-01-29 18:51:35 +0200136 * Fix a resource leak in ssl_cookie, when using MBEDTLS_THREADING_C.
137 Raised and fix suggested by Alan Gillingham in the mbed TLS forum. #771
Andres AGd1cc7f62017-01-06 13:17:35 +0000138 * Fix 1 byte buffer overflow in mbedtls_mpi_write_string() when the MPI
139 number to write in hexadecimal is negative and requires an odd number of
140 digits. Found and fixed by Guido Vranken.
Simon Butcher81cf88f2017-03-07 19:35:49 +0000141 * Fix unlisted DES configuration dependency in some pkparse test cases. Found
142 by inestlerode. #555
Andres AG703990b2016-10-24 11:23:36 +0100143
Janos Follath4c006cd2016-12-13 14:14:03 +0000144= mbed TLS 2.4.1 branch released 2016-12-13
Janos Follath5da3a6f2016-12-13 11:51:04 +0000145
146Changes
147 * Update to CMAC test data, taken from - NIST Special Publication 800-38B -
148 Recommendation for Block Cipher Modes of Operation: The CMAC Mode for
149 Authentication – October 2016
150
Simon Butcher19dbd412016-10-16 19:35:49 +0100151= mbed TLS 2.4.0 branch released 2016-10-17
Simon Butchercf8c1f42016-09-02 21:29:39 +0300152
Andres AG60dbc932016-09-02 15:23:48 +0100153Security
Simon Butcheref8fa012016-10-16 00:44:08 +0100154 * Removed the MBEDTLS_SSL_AEAD_RANDOM_IV option, because it was not compliant
155 with RFC-5116 and could lead to session key recovery in very long TLS
156 sessions. "Nonce-Disrespecting Adversaries Practical Forgery Attacks on GCM in
157 TLS" - H. Bock, A. Zauner, S. Devlin, J. Somorovsky, P. Jovanovic.
158 https://eprint.iacr.org/2016/475.pdf
159 * Fixed potential stack corruption in mbedtls_x509write_crt_der() and
Andres AG60dbc932016-09-02 15:23:48 +0100160 mbedtls_x509write_csr_der() when the signature is copied to the buffer
Andres AGe0af9952016-09-07 11:09:44 +0100161 without checking whether there is enough space in the destination. The
Simon Butcheref8fa012016-10-16 00:44:08 +0100162 issue cannot be triggered remotely. Found by Jethro Beekman.
Andres AG60dbc932016-09-02 15:23:48 +0100163
Simon Butchercf8c1f42016-09-02 21:29:39 +0300164Features
Simon Butcher21c54812016-10-05 14:17:37 +0100165 * Added support for CMAC for AES and 3DES and AES-CMAC-PRF-128, as defined by
166 NIST SP 800-38B, RFC-4493 and RFC-4615.
Simon Butchercf8c1f42016-09-02 21:29:39 +0300167 * Added hardware entropy selftest to verify that the hardware entropy source
168 is functioning correctly.
169 * Added a script to print build environment info for diagnostic use in test
170 scripts, which is also now called by all.sh.
Andres AGf9113192016-09-02 14:06:04 +0100171 * Added the macro MBEDTLS_X509_MAX_FILE_PATH_LEN that enables the user to
172 configure the maximum length of a file path that can be buffered when
173 calling mbedtls_x509_crt_parse_path().
Simon Butcheref8fa012016-10-16 00:44:08 +0100174 * Added a configuration file config-no-entropy.h that configures the subset of
Andres AGf84f8922016-09-19 15:33:30 +0100175 library features that do not require an entropy source.
Andres AG7abc9742016-09-23 17:58:49 +0100176 * Added the macro MBEDTLS_ENTROPY_MIN_HARDWARE in config.h. This allows users
177 to configure the minimum number of bytes for entropy sources using the
178 mbedtls_hardware_poll() function.
Simon Butchercf8c1f42016-09-02 21:29:39 +0300179
180Bugfix
181 * Fix for platform time abstraction to avoid dependency issues where a build
182 may need time but not the standard C library abstraction, and added
183 configuration consistency checks to check_config.h
184 * Fix dependency issue in Makefile to allow parallel builds.
Simon Butcheref8fa012016-10-16 00:44:08 +0100185 * Fix incorrect handling of block lengths in crypt_and_hash.c sample program,
186 when GCM is used. Found by udf2457. #441
Simon Butchercad6e932016-09-05 01:46:59 +0300187 * Fix for key exchanges based on ECDH-RSA or ECDH-ECDSA which weren't
188 enabled unless others were also present. Found by David Fernandez. #428
Simon Butcherc0d76b82016-09-07 17:25:16 +0300189 * Fix for out-of-tree builds using CMake. Found by jwurzer, and fix based on
190 a contribution from Tobias Tangemann. #541
Simon Butcheref8fa012016-10-16 00:44:08 +0100191 * Fixed cert_app.c sample program for debug output and for use when no root
Simon Butcherd43fb952016-09-26 20:48:56 +0100192 certificates are provided.
Andres AG776a6fc2016-09-26 09:52:41 +0100193 * Fix conditional statement that would cause a 1 byte overread in
Simon Butcher3a5e0702016-10-12 16:37:59 +0100194 mbedtls_asn1_get_int(). Found and fixed by Guido Vranken. #599
Simon Butcher851ae292016-10-11 10:13:52 +0100195 * Fixed pthread implementation to avoid unintended double initialisations
Simon Butcheref8fa012016-10-16 00:44:08 +0100196 and double frees. Found by Niklas Amnebratt.
Simon Butcherf77309c2016-10-07 15:56:07 +0100197 * Fixed the sample applications gen_key.c, cert_req.c and cert_write.c for
198 builds where the configuration MBEDTLS_PEM_WRITE_C is not defined. Found
199 by inestlerode. #559.
Andres AG4bdbe092016-09-19 16:58:45 +0100200 * Fix mbedtls_x509_get_sig() to update the ASN1 type in the mbedtls_x509_buf
201 data structure until after error checks are successful. Found by
Simon Butcherb81496b2016-10-13 14:03:37 +0100202 subramanyam-c. #622
Andres AG821da842016-09-26 10:09:30 +0100203 * Fix documentation and implementation missmatch for function arguments of
Simon Butcherf6e3b9e2016-10-12 19:47:29 +0100204 mbedtls_gcm_finish(). Found by cmiatpaar. #602
Simon Butcher4d69ecd2016-10-13 00:14:37 +0100205 * Guarantee that P>Q at RSA key generation. Found by inestlerode. #558
Andres AG5a87c932016-09-26 14:53:05 +0100206 * Fix potential byte overread when verifying malformed SERVER_HELLO in
207 ssl_parse_hello_verify_request() for DTLS. Found by Guido Vranken.
Andres AG4b76aec2016-09-23 13:16:02 +0100208 * Fix check for validity of date when parsing in mbedtls_x509_get_time().
Simon Butcher2bd0fba2016-10-13 16:29:56 +0100209 Found by subramanyam-c. #626
Simon Butcher99000142016-10-13 17:21:01 +0100210 * Fix compatibility issue with Internet Explorer client authentication,
211 where the limited hash choices prevented the client from sending its
212 certificate. Found by teumas. #513
Janos Follath240f1852016-10-14 15:23:21 +0100213 * Fix compilation without MBEDTLS_SELF_TEST enabled.
Simon Butchercf8c1f42016-09-02 21:29:39 +0300214
215Changes
216 * Extended test coverage of special cases, and added new timing test suite.
217 * Removed self-tests from the basic-built-test.sh script, and added all
218 missing self-tests to the test suites, to ensure self-tests are only
219 executed once.
220 * Added support for 3 and 4 byte lengths to mbedtls_asn1_write_len().
221 * Added support for a Yotta specific configuration file -
222 through the symbol YOTTA_CFG_MBEDTLS_TARGET_CONFIG_FILE.
Simon Butcher5908bcc2016-09-04 15:12:09 +0100223 * Added optimization for code space for X.509/OID based on configured
Simon Butcheref8fa012016-10-16 00:44:08 +0100224 features. Contributed by Aviv Palivoda.
Andres AG788aa4a2016-09-14 14:32:09 +0100225 * Renamed source file library/net.c to library/net_sockets.c to avoid
226 naming collision in projects which also have files with the common name
227 net.c. For consistency, the corresponding header file, net.h, is marked as
228 deprecated, and its contents moved to net_sockets.h.
Simon Butcher59bffa22016-10-13 15:55:56 +0100229 * Changed the strategy for X.509 certificate parsing and validation, to no
230 longer disregard certificates with unrecognised fields.
Simon Butchercf8c1f42016-09-02 21:29:39 +0300231
Simon Butcher46125fb2016-06-27 19:43:55 +0100232= mbed TLS 2.3.0 branch released 2016-06-28
Manuel Pégourié-Gonnardafbb3102016-01-07 13:26:11 +0100233
Janos Follathcc4eba72016-02-10 16:25:55 +0000234Security
Janos Follathe43b81a2016-02-10 16:25:55 +0000235 * Fix missing padding length check in mbedtls_rsa_rsaes_pkcs1_v15_decrypt
Janos Follath3218b212016-02-10 16:14:10 +0000236 required by PKCS1 v2.2
Janos Follathe43b81a2016-02-10 16:25:55 +0000237 * Fix potential integer overflow to buffer overflow in
238 mbedtls_rsa_rsaes_pkcs1_v15_encrypt and mbedtls_rsa_rsaes_oaep_encrypt
Manuel Pégourié-Gonnard8ddc93f2016-02-11 10:35:13 +0100239 (not triggerable remotely in (D)TLS).
Janos Follatheae41bf2016-02-10 16:40:16 +0000240 * Fix a potential integer underflow to buffer overread in
Janos Follathbc247c92016-02-11 11:15:44 +0000241 mbedtls_rsa_rsaes_oaep_decrypt. It is not triggerable remotely in
242 SSL/TLS.
Janos Follathcc4eba72016-02-10 16:25:55 +0000243
Simon Butcher3fe6cd32016-04-26 19:51:29 +0100244Features
245 * Support for platform abstraction of the standard C library time()
246 function.
247
Manuel Pégourié-Gonnardafbb3102016-01-07 13:26:11 +0100248Bugfix
249 * Fix bug in mbedtls_mpi_add_mpi() that caused wrong results when the three
250 arguments where the same (in-place doubling). Found and fixed by Janos
Manuel Pégourié-Gonnard35519012016-01-07 13:06:51 +0100251 Follath. #309
Manuel Pégourié-Gonnardc9901892016-01-12 13:59:39 +0000252 * Fix potential build failures related to the 'apidoc' target, introduced
253 in the previous patch release. Found by Robert Scheck. #390 #391
Manuel Pégourié-Gonnard35519012016-01-07 13:06:51 +0100254 * Fix issue in Makefile that prevented building using armar. #386
Janos Follath4ae5c292016-02-10 11:27:43 +0000255 * Fix memory leak that occured only when ECJPAKE was enabled and ECDHE and
256 ECDSA was disabled in config.h . The leak didn't occur by default.
Simon Butcherf59e66b2016-03-01 20:26:16 +0000257 * Fix an issue that caused valid certificates to be rejected whenever an
258 expired or not yet valid certificate was parsed before a valid certificate
259 in the trusted certificate list.
Janos Follathcc0e49d2016-02-17 14:34:12 +0000260 * Fix bug in mbedtls_x509_crt_parse that caused trailing extra data in the
261 buffer after DER certificates to be included in the raw representation.
Simon Butcher3f5c8752016-04-15 19:06:59 +0100262 * Fix issue that caused a hang when generating RSA keys of odd bitlength
Janos Follath1ed9f992016-03-18 11:45:44 +0000263 * Fix bug in mbedtls_rsa_rsaes_pkcs1_v15_encrypt that made null pointer
264 dereference possible.
Janos Follath8a317052016-04-21 23:37:09 +0100265 * Fix issue that caused a crash if invalid curves were passed to
266 mbedtls_ssl_conf_curves. #373
Simon Butcherf8935072016-04-29 00:05:32 +0100267 * Fix issue in ssl_fork_server which was preventing it from functioning. #429
Paul Bakker8f0e4c22016-05-12 16:38:27 +0100268 * Fix memory leaks in test framework
Paul Bakkerf8e37942016-05-13 10:50:41 +0100269 * Fix test in ssl-opt.sh that does not run properly with valgrind
Simon Butcher46125fb2016-06-27 19:43:55 +0100270 * Fix unchecked calls to mmbedtls_md_setup(). Fix by Brian Murray. #502
Manuel Pégourié-Gonnardafbb3102016-01-07 13:26:11 +0100271
Manuel Pégourié-Gonnard25caaf32016-01-08 14:29:11 +0100272Changes
273 * On ARM platforms, when compiling with -O0 with GCC, Clang or armcc5,
274 don't use the optimized assembly for bignum multiplication. This removes
275 the need to pass -fomit-frame-pointer to avoid a build error with -O0.
Simon Butcherd7e9ad72016-04-25 16:07:12 +0100276 * Disabled SSLv3 in the default configuration.
Simon Butchera543d112016-04-26 12:51:37 +0100277 * Optimized mbedtls_mpi_zeroize() for MPI integer size. (Fix by Alexey
278 Skalozub).
Janos Follathc6dab2b2016-05-23 14:27:02 +0100279 * Fix non-compliance server extension handling. Extensions for SSLv3 are now
280 ignored, as required by RFC6101.
Manuel Pégourié-Gonnardf92c86e2016-01-07 13:18:01 +0100281
282= mbed TLS 2.2.1 released 2016-01-05
283
284Security
Manuel Pégourié-Gonnard97b52092015-12-10 10:50:51 +0100285 * Fix potential double free when mbedtls_asn1_store_named_data() fails to
Manuel Pégourié-Gonnard1e075622015-12-10 14:46:25 +0100286 allocate memory. Only used for certificate generation, not triggerable
Simon Butcher00923c12015-12-22 19:04:24 +0000287 remotely in SSL/TLS. Found by Rafał Przywara. #367
Manuel Pégourié-Gonnardf4569b12015-11-19 09:23:06 +0100288 * Disable MD5 handshake signatures in TLS 1.2 by default to prevent the
289 SLOTH attack on TLS 1.2 server authentication (other attacks from the
290 SLOTH paper do not apply to any version of mbed TLS or PolarSSL).
Manuel Pégourié-Gonnard7f88b8e2016-01-04 17:36:44 +0100291 https://www.mitls.org/pages/attacks/SLOTH
Simon Butcher1285ab52016-01-01 21:42:47 +0000292
Manuel Pégourié-Gonnard7f88b8e2016-01-04 17:36:44 +0100293Bugfix
294 * Fix over-restrictive length limit in GCM. Found by Andreas-N. #362
295 * Fix bug in certificate validation that caused valid chains to be rejected
296 when the first intermediate certificate has pathLenConstraint=0. Found by
297 Nicholas Wilson. Introduced in mbed TLS 2.2.0. #280
Simon Butcher207990d2015-12-16 01:51:30 +0000298 * Removed potential leak in mbedtls_rsa_rsassa_pkcs1_v15_sign(), found by
Simon Butcher8254ed22015-11-04 11:04:00 +0000299 JayaraghavendranK. #372
Simon Butcher04799a42015-09-29 00:31:09 +0100300 * Fix suboptimal handling of unexpected records that caused interop issues
Manuel Pégourié-Gonnard2b624e92015-10-30 09:35:03 +0100301 with some peers over unreliable links. Avoid dropping an entire DTLS
Manuel Pégourié-Gonnard173c7902015-10-20 19:56:45 +0200302 datagram if a single record in a datagram is unexpected, instead only
303 drop the record and look at subsequent records (if any are present) in
304 the same datagram. Found by jeannotlapin. #345
Manuel Pégourié-Gonnard261faed2015-10-21 10:16:29 +0200305
306= mbed TLS 2.2.0 released 2015-11-04
Simon Butcher59a8fa72015-11-03 23:09:28 +0000307
Manuel Pégourié-Gonnard22c3b7b2015-10-21 12:07:47 +0200308Security
309 * Fix potential double free if mbedtls_ssl_conf_psk() is called more than
310 once and some allocation fails. Cannot be forced remotely. Found by Guido
Simon Butcher59a8fa72015-11-03 23:09:28 +0000311 Vranken, Intelworks.
Manuel Pégourié-Gonnard2b624e92015-10-30 09:35:03 +0100312 * Fix potential heap corruption on Windows when
313 mbedtls_x509_crt_parse_path() is passed a path longer than 2GB. Cannot be
314 triggered remotely. Found by Guido Vranken, Intelworks.
315 * Fix potential buffer overflow in some asn1_write_xxx() functions.
Manuel Pégourié-Gonnard1ef96c22015-10-20 15:04:57 +0200316 Cannot be triggered remotely unless you create X.509 certificates based
317 on untrusted input or write keys of untrusted origin. Found by Guido
318 Vranken, Intelworks.
319 * The X509 max_pathlen constraint was not enforced on intermediate
320 certificates. Found by Nicholas Wilson, fix and tests provided by
Manuel Pégourié-Gonnard65eefc82015-10-23 14:08:48 +0200321 Janos Follath. #280 and #319
Manuel Pégourié-Gonnard41048642015-10-09 14:47:17 +0100322
Manuel Pégourié-Gonnard2b624e92015-10-30 09:35:03 +0100323Features
324 * Experimental support for EC J-PAKE as defined in Thread 1.0.0.
325 Disabled by default as the specification might still change.
Manuel Pégourié-Gonnard41048642015-10-09 14:47:17 +0100326 * Added a key extraction callback to accees the master secret and key
327 block. (Potential uses include EAP-TLS and Thread.)
Manuel Pégourié-Gonnarde5f30722015-10-22 17:01:15 +0200328
329Bugfix
Simon Butcher62aab152015-10-27 16:05:34 +0000330 * Self-signed certificates were not excluded from pathlen counting,
331 resulting in some valid X.509 being incorrectly rejected. Found and fix
Manuel Pégourié-Gonnard65eefc82015-10-23 14:08:48 +0200332 provided by Janos Follath. #319
333 * Fix build error with configurations where ECDHE-PSK is the only key
334 exchange. Found and fix provided by Chris Hammond. #270
Simon Butcher5f7c34b2015-10-27 15:14:55 +0000335 * Fix build error with configurations where RSA, RSA-PSK, ECDH-RSA or
Manuel Pégourié-Gonnard7c5fcdc2015-10-21 14:52:24 +0200336 ECHD-ECDSA if the only key exchange. Multiple reports. #310
337 * Fixed a bug causing some handshakes to fail due to some non-fatal alerts
Manuel Pégourié-Gonnard66fc0732015-10-21 16:40:29 +0200338 not being properly ignored. Found by mancha and Kasom Koht-arsa, #308
Manuel Pégourié-Gonnardc99dffa2015-11-02 06:00:02 +0900339 * mbedtls_x509_crt_verify(_with_profile)() now also checks the key type and
340 size/curve against the profile. Before that, there was no way to set a
341 minimum key size for end-entity certificates with RSA keys. Found by
Simon Butcher5f7c34b2015-10-27 15:14:55 +0000342 Matthew Page of Scannex Electronics Ltd.
Manuel Pégourié-Gonnarde0b2fea2015-10-27 10:24:54 +0100343 * Fix failures in MPI on Sparc(64) due to use of bad assembly code.
344 Found by Kurt Danielson. #292
345 * Fix typo in name of the extKeyUsage OID. Found by inestlerode, #314
Manuel Pégourié-Gonnard41048642015-10-09 14:47:17 +0100346 * Fix bug in ASN.1 encoding of booleans that caused generated CA
347 certificates to be rejected by some applications, including OS X
348 Keychain. Found and fixed by Jonathan Leroy, Inikup.
Simon Butcher04799a42015-09-29 00:31:09 +0100349
Manuel Pégourié-Gonnardca056c72015-10-05 18:21:34 +0100350Changes
Simon Butcherc48b66b2015-10-05 10:18:17 +0100351 * Improved performance of mbedtls_ecp_muladd() when one of the scalars is 1
352 or -1.
Simon Butcher5b8d1d62015-10-04 22:06:51 +0100353
354= mbed TLS 2.1.2 released 2015-10-06
Simon Butcherc48b66b2015-10-05 10:18:17 +0100355
356Security
Manuel Pégourié-Gonnardd02a1da2015-09-28 18:34:48 +0200357 * Added fix for CVE-2015-5291 to prevent heap corruption due to buffer
358 overflow of the hostname or session ticket. Found by Guido Vranken,
Simon Butcherc48b66b2015-10-05 10:18:17 +0100359 Intelworks.
Manuel Pégourié-Gonnard58fb4952015-09-28 13:48:04 +0200360 * Fix potential double-free if mbedtls_ssl_set_hs_psk() is called more than
Simon Butcherc48b66b2015-10-05 10:18:17 +0100361 once in the same handhake and mbedtls_ssl_conf_psk() was used.
362 Found and patch provided by Guido Vranken, Intelworks. Cannot be forced
363 remotely.
364 * Fix stack buffer overflow in pkcs12 decryption (used by
Simon Butchera45aa132015-10-05 00:26:36 +0100365 mbedtls_pk_parse_key(file)() when the password is > 129 bytes.
Simon Butcherc48b66b2015-10-05 10:18:17 +0100366 Found by Guido Vranken, Intelworks. Not triggerable remotely.
367 * Fix potential buffer overflow in mbedtls_mpi_read_string().
368 Found by Guido Vranken, Intelworks. Not exploitable remotely in the context
369 of TLS, but might be in other uses. On 32 bit machines, requires reading a
370 string of close to or larger than 1GB to exploit; on 64 bit machines, would
371 require reading a string of close to or larger than 2^62 bytes.
Manuel Pégourié-Gonnard24417f02015-09-28 18:09:45 +0200372 * Fix potential random memory allocation in mbedtls_pem_read_buffer()
Simon Butcherfec73a82015-10-05 10:40:31 +0100373 on crafted PEM input data. Found and fix provided by Guido Vranken,
374 Intelworks. Not triggerable remotely in TLS. Triggerable remotely if you
Manuel Pégourié-Gonnardbc1babb2015-10-02 11:16:47 +0200375 accept PEM data from an untrusted source.
376 * Fix possible heap buffer overflow in base64_encoded() when the input
377 buffer is 512MB or larger on 32-bit platforms. Found by Guido Vranken,
Simon Butcher475cf0a2015-10-05 11:57:54 +0100378 Intelworks. Not trigerrable remotely in TLS.
Simon Butcher04799a42015-09-29 00:31:09 +0100379 * Fix potential double-free if mbedtls_conf_psk() is called repeatedly on
Manuel Pégourié-Gonnard04317352015-10-05 12:16:06 +0100380 the same mbedtls_ssl_config object and memory allocation fails. Found by
381 Guido Vranken, Intelworks. Cannot be forced remotely.
382 * Fix potential heap buffer overflow in servers that perform client
Simon Butcher7776fc32015-10-05 15:44:18 +0100383 authentication against a crafted CA cert. Cannot be triggered remotely
Manuel Pégourié-Gonnard04317352015-10-05 12:16:06 +0100384 unless you allow third parties to pick trust CAs for client auth.
Simon Butcher04799a42015-09-29 00:31:09 +0100385 Found by Guido Vranken, Intelworks.
386
387Bugfix
Simon Butchera12e3c02015-10-01 01:59:33 +0100388 * Fix compile error in net.c with musl libc. Found and patch provided by
389 zhasha (#278).
Simon Butcher04799a42015-09-29 00:31:09 +0100390 * Fix macroization of 'inline' keyword when building as C++. (#279)
Simon Butcher5624ec82015-09-29 01:06:06 +0100391
Manuel Pégourié-Gonnard4f3368e2015-07-19 15:01:28 +0200392Changes
Manuel Pégourié-Gonnard5f501042015-09-03 20:03:15 +0200393 * Added checking of hostname length in mbedtls_ssl_set_hostname() to ensure
394 domain names are compliant with RFC 1035.
395 * Fixed paths for check_config.h in example config files. (Found by bachp)
396 (#291)
Manuel Pégourié-Gonnardc2ed8022015-09-09 12:15:13 +0200397
398= mbed TLS 2.1.1 released 2015-09-17
Simon Butcher5b8d1d62015-10-04 22:06:51 +0100399
400Security
Manuel Pégourié-Gonnardc2ed8022015-09-09 12:15:13 +0200401 * Add countermeasure against Lenstra's RSA-CRT attack for PKCS#1 v1.5
Simon Butchera1a11282015-09-14 21:30:40 +0100402 signatures. (Found by Florian Weimer, Red Hat.)
403 https://securityblog.redhat.com/2015/09/02/factoring-rsa-keys-with-tls-perfect-forward-secrecy/
Manuel Pégourié-Gonnardf7022d12015-09-16 11:32:18 +0200404 * Fix possible client-side NULL pointer dereference (read) when the client
405 tries to continue the handshake after it failed (a misuse of the API).
406 (Found and patch provided by Fabian Foerg, Gotham Digital Science using
Simon Butcherd69f14b2015-09-11 20:00:20 +0100407 afl-fuzz.)
408
409Bugfix
Manuel Pégourié-Gonnard14c25742015-09-08 15:12:45 +0200410 * Fix warning when using a 64bit platform. (found by embedthis) (#275)
411 * Fix off-by-one error in parsing Supported Point Format extension that
412 caused some handshakes to fail.
413
414Changes
415 * Made X509 profile pointer const in mbedtls_ssl_conf_cert_profile() to allow
416 use of mbedtls_x509_crt_profile_next. (found by NWilson)
Simon Butcherd69f14b2015-09-11 20:00:20 +0100417 * When a client initiates a reconnect from the same port as a live
Manuel Pégourié-Gonnardc2ed8022015-09-09 12:15:13 +0200418 connection, if cookie verification is available
Manuel Pégourié-Gonnard5f501042015-09-03 20:03:15 +0200419 (MBEDTLS_SSL_DTLS_HELLO_VERIFY defined in config.h, and usable cookie
Manuel Pégourié-Gonnard32da9f62015-07-31 15:52:30 +0200420 callbacks set with mbedtls_ssl_conf_dtls_cookies()), this will be
Manuel Pégourié-Gonnard0a0c22e2015-09-04 14:38:26 +0200421 detected and mbedtls_ssl_read() will return
422 MBEDTLS_ERR_SSL_CLIENT_RECONNECT - it is then possible to start a new
Manuel Pégourié-Gonnard32da9f62015-07-31 15:52:30 +0200423 handshake with the same context. (See RFC 6347 section 4.2.8.)
Manuel Pégourié-Gonnard4f3368e2015-07-19 15:01:28 +0200424
425= mbed TLS 2.1.0 released 2015-09-04
Manuel Pégourié-Gonnardbcb04602015-07-19 16:00:04 +0200426
427Features
Manuel Pégourié-Gonnarda6e5bd52015-07-23 12:14:13 +0200428 * Added support for yotta as a build system.
429 * Primary open source license changed to Apache 2.0 license.
Manuel Pégourié-Gonnard52a50792015-07-27 10:36:12 +0200430
Manuel Pégourié-Gonnard6f424172015-07-24 16:53:46 +0200431Bugfix
Manuel Pégourié-Gonnard52a50792015-07-27 10:36:12 +0200432 * Fix segfault in the benchmark program when benchmarking DHM.
433 * Fix build error with CMake and pre-4.5 versions of GCC (found by Hugo
Manuel Pégourié-Gonnarde96ce082015-07-30 22:46:55 +0200434 Leisink).
Manuel Pégourié-Gonnard20064082015-08-03 10:24:05 +0200435 * Fix bug when parsing a ServerHello without extensions (found by David
436 Sears).
Manuel Pégourié-Gonnard99839932015-08-03 10:34:09 +0200437 * Fix bug in CMake lists that caused libmbedcrypto.a not to be installed
438 (found by Benoit Lecocq).
Manuel Pégourié-Gonnarde33316c2015-08-07 13:17:23 +0200439 * Fix bug in Makefile that caused libmbedcrypto and libmbedx509 not to be
440 installed (found by Rawi666).
441 * Fix compile error with armcc 5 with --gnu option.
Manuel Pégourié-Gonnarded46c432015-08-10 10:17:32 +0200442 * Fix bug in Makefile that caused programs not to be installed correctly
Manuel Pégourié-Gonnardc98204e2015-08-11 04:21:01 +0200443 (found by robotanarchy) (#232).
444 * Fix bug in Makefile that prevented from installing without building the
Manuel Pégourié-Gonnard1385a282015-08-27 11:30:58 +0200445 tests (found by robotanarchy) (#232).
446 * Fix missing -static-libgcc when building shared libraries for Windows
447 with make.
Simon Butcher52754592015-09-03 13:06:01 +0100448 * Fix link error when building shared libraries for Windows with make.
449 * Fix error when loading libmbedtls.so.
450 * Fix bug in mbedtls_ssl_conf_default() that caused the default preset to
451 be always used (found by dcb314) (#235)
452 * Fix bug in mbedtls_rsa_public() and mbedtls_rsa_private() that could
453 result trying to unlock an unlocked mutex on invalid input (found by
454 Fredrik Axelsson) (#257)
Manuel Pégourié-Gonnard52a50792015-07-27 10:36:12 +0200455 * Fix -Wshadow warnings (found by hnrkp) (#240)
Manuel Pégourié-Gonnard052d10c2015-07-31 11:09:59 +0200456 * Fix memory corruption on client with overlong PSK identity, around
457 SSL_MAX_CONTENT_LEN or higher - not triggerrable remotely (found by
Manuel Pégourié-Gonnard32da9f62015-07-31 15:52:30 +0200458 Aleksandrs Saveljevs) (#238)
459 * Fix unused function warning when using MBEDTLS_MDx_ALT or
460 MBEDTLS_SHAxxx_ALT (found by Henrik) (#239)
Manuel Pégourié-Gonnardb2beb842015-09-01 19:37:32 +0200461 * Fix memory corruption in pkey programs (found by yankuncheng) (#210)
462
463Changes
Simon Butcher52754592015-09-03 13:06:01 +0100464 * The PEM parser now accepts a trailing space at end of lines (#226).
465 * It is now possible to #include a user-provided configuration file at the
466 end of the default config.h by defining MBEDTLS_USER_CONFIG_FILE on the
467 compiler's command line.
Manuel Pégourié-Gonnard4f3368e2015-07-19 15:01:28 +0200468 * When verifying a certificate chain, if an intermediate certificate is
Paul Bakker4cb87f42015-07-10 14:09:43 +0100469 trusted, no later cert is checked. (suggested by hannes-landeholm)
Paul Bakker9c5898f2015-02-16 16:18:33 +0100470 (#220).
Manuel Pégourié-Gonnardf4acfe12014-09-17 10:56:54 +0200471 * Prepend a "thread identifier" to debug messages (issue pointed out by
Manuel Pégourié-Gonnard866eb472015-05-25 19:41:37 +0200472 Hugo Leisink) (#210).
473 * Add mbedtls_ssl_get_max_frag_len() to query the current maximum fragment
474 length.
475
476= mbed TLS 2.0.0 released 2015-07-13
477
Manuel Pégourié-Gonnard88d37852015-06-17 14:26:49 +0200478Features
479 * Support for DTLS 1.0 and 1.2 (RFC 6347).
480 * Ability to override core functions from MDx, SHAx, AES and DES modules
481 with custom implementation (eg hardware accelerated), complementing the
482 ability to override the whole module.
483 * New server-side implementation of session tickets that rotate keys to
Manuel Pégourié-Gonnard4d7fbbf2014-10-15 15:40:55 +0200484 preserve forward secrecy, and allows sharing across multiple contexts.
Manuel Pégourié-Gonnardf4acfe12014-09-17 10:56:54 +0200485 * Added a concept of X.509 cerificate verification profile that controls
Manuel Pégourié-Gonnarda25ffc32015-06-25 12:01:16 +0200486 which algorithms and key sizes (curves for ECDSA) are acceptable.
487 * Expanded configurability of security parameters in the SSL module with
Manuel Pégourié-Gonnardd54e6172015-04-28 17:56:12 +0200488 mbedtls_ssl_conf_dhm_min_bitlen() and mbedtls_ssl_conf_sig_hashes().
Manuel Pégourié-Gonnard6e088f92015-05-06 17:53:08 +0100489 * Introduced a concept of presets for SSL security-relevant configuration
Manuel Pégourié-Gonnardd54e6172015-04-28 17:56:12 +0200490 parameters.
Manuel Pégourié-Gonnard6e088f92015-05-06 17:53:08 +0100491
Manuel Pégourié-Gonnard898e0aa2015-06-18 15:28:12 +0200492API Changes
Manuel Pégourié-Gonnard797f48a2015-06-18 15:45:05 +0200493 * The library has been split into libmbedcrypto, libmbedx509, libmbedtls.
494 You now need to link to all of them if you use TLS for example.
495 * All public identifiers moved to the mbedtls_* or MBEDTLS_* namespace.
Manuel Pégourié-Gonnardd54e6172015-04-28 17:56:12 +0200496 Some names have been further changed to make them more consistent.
Manuel Pégourié-Gonnard6963ff02015-04-28 18:02:54 +0200497 Migration helpers scripts/rename.pl and include/mbedlts/compat-1.3.h are
Manuel Pégourié-Gonnard2f84e972015-05-11 09:52:24 +0200498 provided. Full list of renamings in scripts/data_files/rename-1.3-2.0.txt
Manuel Pégourié-Gonnard06939ce2015-05-11 11:25:46 +0200499 * Renamings of fields inside structures, not covered by the previous list:
Manuel Pégourié-Gonnard41d479e2015-04-29 00:48:22 +0200500 mbedtls_cipher_info_t.key_length -> key_bitlen
Manuel Pégourié-Gonnard6963ff02015-04-28 18:02:54 +0200501 mbedtls_cipher_context_t.key_length -> key_bitlen
Manuel Pégourié-Gonnardc34e8dd2015-04-28 21:42:17 +0200502 mbedtls_ecp_curve_info.size -> bit_size
Manuel Pégourié-Gonnard2f84e972015-05-11 09:52:24 +0200503 * Headers are now found in the 'mbedtls' directory (previously 'polarssl').
504 * The following _init() functions that could return errors have
Tillmann Karras588ad502015-09-25 04:27:22 +0200505 been split into an _init() that returns void and another function that
Manuel Pégourié-Gonnard06939ce2015-05-11 11:25:46 +0200506 should generally be the first function called on this context after init:
Manuel Pégourié-Gonnard96936682015-06-02 15:14:15 +0100507 mbedtls_ssl_init() -> mbedtls_ssl_setup()
Manuel Pégourié-Gonnardcaace652015-05-11 09:57:11 +0200508 mbedtls_ccm_init() -> mbedtls_ccm_setkey()
509 mbedtls_gcm_init() -> mbedtls_gcm_setkey()
510 mbedtls_hmac_drbg_init() -> mbedtls_hmac_drbg_seed(_buf)()
511 mbedtls_ctr_drbg_init() -> mbedtls_ctr_drbg_seed()
Manuel Pégourié-Gonnard96936682015-06-02 15:14:15 +0100512 Note that for mbedtls_ssl_setup(), you need to be done setting up the
513 ssl_config structure before calling it.
Manuel Pégourié-Gonnard9a1a4d62015-05-11 10:35:53 +0200514 * Most ssl_set_xxx() functions (all except ssl_set_bio(), ssl_set_hostname(),
515 ssl_set_session() and ssl_set_client_transport_id(), plus
516 ssl_legacy_renegotiation()) have been renamed to mbedtls_ssl_conf_xxx()
517 (see rename.pl and compat-1.3.h above) and their first argument's type
518 changed from ssl_context to ssl_config.
Manuel Pégourié-Gonnardcaace652015-05-11 09:57:11 +0200519 * ssl_set_bio() changed signature (contexts merged, order switched, one
Manuel Pégourié-Gonnardbc2b7712015-05-06 11:14:19 +0100520 additional callback for read-with-timeout).
Manuel Pégourié-Gonnard01e5e8c2015-05-11 10:11:56 +0200521 * The following functions have been introduced and must be used in callback
Manuel Pégourié-Gonnard5cb33082015-05-06 18:06:26 +0100522 implementations (SNI, PSK) instead of their *conf counterparts:
Manuel Pégourié-Gonnard866eb472015-05-25 19:41:37 +0200523 mbedtls_ssl_set_hs_own_cert()
524 mbedtls_ssl_set_hs_ca_chain()
Manuel Pégourié-Gonnardfd474232015-06-23 16:34:24 +0200525 mbedtls_ssl_set_hs_psk()
526 * mbedtls_ssl_conf_ca_chain() lost its last argument (peer_cn), now set
Manuel Pégourié-Gonnard01e5e8c2015-05-11 10:11:56 +0200527 using mbedtls_ssl_set_hostname().
Manuel Pégourié-Gonnard96936682015-06-02 15:14:15 +0100528 * mbedtls_ssl_conf_session_cache() changed prototype (only one context
Manuel Pégourié-Gonnarde6ef16f2015-05-11 19:54:43 +0200529 pointer, parameters reordered).
530 * On server, mbedtls_ssl_conf_session_tickets_cb() must now be used in
531 place of mbedtls_ssl_conf_session_tickets() to enable session tickets.
Manuel Pégourié-Gonnard96936682015-06-02 15:14:15 +0100532 * The SSL debug callback gained two new arguments (file name, line number).
Manuel Pégourié-Gonnarde6ef16f2015-05-11 19:54:43 +0200533 * Debug modes were removed.
Manuel Pégourié-Gonnardbc6ff232015-06-02 16:33:08 +0100534 * mbedtls_ssl_conf_truncated_hmac() now returns void.
535 * mbedtls_memory_buffer_alloc_init() now returns void.
536 * X.509 verification flags are now an uint32_t. Affect the signature of:
537 mbedtls_ssl_get_verify_result()
538 mbedtls_x509_ctr_verify_info()
539 mbedtls_x509_crt_verify() (flags, f_vrfy -> needs to be updated)
Manuel Pégourié-Gonnard91895852015-06-30 13:34:45 +0200540 mbedtls_ssl_conf_verify() (f_vrfy -> needs to be updated)
541 * The following functions changed prototype to avoid an in-out length
Manuel Pégourié-Gonnard0b104b02015-05-14 21:52:40 +0200542 parameter:
Manuel Pégourié-Gonnard8f5fd312015-04-24 14:42:34 +0200543 mbedtls_base64_encode()
544 mbedtls_base64_decode()
Manuel Pégourié-Gonnarddfdcac92015-03-31 11:41:42 +0200545 mbedtls_mpi_write_string()
546 mbedtls_dhm_calc_secret()
Manuel Pégourié-Gonnardb8cfe3f2015-03-31 11:04:45 +0200547 * In the NET module, all "int" and "int *" arguments for file descriptors
Manuel Pégourié-Gonnard1cd10ad2015-06-23 11:07:37 +0200548 changed type to "mbedtls_net_context *".
549 * net_accept() gained new arguments for the size of the client_ip buffer.
Manuel Pégourié-Gonnarda958d692015-03-27 10:23:53 +0100550 * In the threading layer, mbedtls_mutex_init() and mbedtls_mutex_free() now
551 return void.
552 * ecdsa_write_signature() gained an addtional md_alg argument and
Manuel Pégourié-Gonnard75f90102015-03-27 09:56:18 +0100553 ecdsa_write_signature_det() was deprecated.
Manuel Pégourié-Gonnard43b37cb2015-05-12 11:20:10 +0200554 * pk_sign() no longer accepts md_alg == POLARSSL_MD_NONE with ECDSA.
555 * Last argument of x509_crt_check_key_usage() and
556 mbedtls_x509write_crt_set_key_usage() changed from int to unsigned.
Manuel Pégourié-Gonnard35f1d7f2015-03-19 12:42:40 +0000557 * test_ca_list (from certs.h) is renamed to test_cas_pem and is only
Manuel Pégourié-Gonnard5b9e5b12015-05-26 17:46:09 +0200558 available if POLARSSL_PEM_PARSE_C is defined (it never worked without).
559 * Test certificates in certs.c are no longer guaranteed to be nul-terminated
Manuel Pégourié-Gonnard1b8de572015-05-27 16:49:37 +0200560 strings; use the new *_len variables instead of strlen().
Manuel Pégourié-Gonnard88bdb0b2015-03-10 14:02:33 +0000561 * Functions mbedtls_x509_xxx_parse(), mbedtls_pk_parse_key(),
562 mbedtls_pk_parse_public_key() and mbedtls_dhm_parse_dhm() now expect the
Manuel Pégourié-Gonnard60c793b2015-06-18 20:52:58 +0200563 length parameter to include the terminating null byte for PEM input.
564 * Signature of mpi_mul_mpi() changed to make the last argument unsigned
Manuel Pégourié-Gonnardf4acfe12014-09-17 10:56:54 +0200565 * calloc() is now used instead of malloc() everywhere. API of platform
566 layer and the memory_buffer_alloc module changed accordingly.
Manuel Pégourié-Gonnardc0d74942015-06-23 12:30:57 +0200567 (Thanks to Mansour Moufid for helping with the replacement.)
Manuel Pégourié-Gonnardd54e6172015-04-28 17:56:12 +0200568 * Change SSL_DISABLE_RENEGOTIATION config.h flag to SSL_RENEGOTIATION
569 (support for renegotiation now needs explicit enabling in config.h).
570 * Split MBEDTLS_HAVE_TIME into MBEDTLS_HAVE_TIME and MBEDTLS_HAVE_TIME_DATE
Manuel Pégourié-Gonnardaff37e52015-05-11 18:11:57 +0200571 in config.h
Manuel Pégourié-Gonnard56cc88a2015-05-11 18:40:45 +0200572 * net_connect() and net_bind() have a new 'proto' argument to choose
573 between TCP and UDP, using the macros NET_PROTO_TCP or NET_PROTO_UDP.
Manuel Pégourié-Gonnard41b9c2b2015-05-28 14:56:20 +0200574 Their 'port' argument type is changed to a string.
575 * Some constness fixes
576
Manuel Pégourié-Gonnarda63bc942015-05-14 18:22:47 +0200577Removals
Manuel Pégourié-Gonnard53585ee2015-06-25 08:52:25 +0200578 * Removed mbedtls_ecp_group_read_string(). Only named groups are supported.
Manuel Pégourié-Gonnardd54e6172015-04-28 17:56:12 +0200579 * Removed mbedtls_ecp_sub() and mbedtls_ecp_add(), use
580 mbedtls_ecp_muladd().
581 * Removed individual mdX_hmac, shaX_hmac, mdX_file and shaX_file functions
582 (use generic functions from md.h)
583 * Removed mbedtls_timing_msleep(). Use mbedtls_net_usleep() or a custom
584 waiting function.
585 * Removed test DHM parameters from the test certs module.
586 * Removed the PBKDF2 module (use PKCS5).
587 * Removed POLARSSL_ERROR_STRERROR_BC (use mbedtls_strerror()).
588 * Removed compat-1.2.h (helper for migrating from 1.2 to 1.3).
589 * Removed openssl.h (very partial OpenSSL compatibility layer).
Manuel Pégourié-Gonnard1022fed2015-03-27 16:30:47 +0100590 * Configuration options POLARSSL_HAVE_LONGLONG was removed (now always on).
591 * Configuration options POLARSSL_HAVE_INT8 and POLARSSL_HAVE_INT16 have
592 been removed (compiler is required to support 32-bit operations).
593 * Configuration option POLARSSL_HAVE_IPV6 was removed (always enabled).
Manuel Pégourié-Gonnardf4acfe12014-09-17 10:56:54 +0200594 * Removed test program o_p_test, the script compat.sh does more.
Manuel Pégourié-Gonnard1022fed2015-03-27 16:30:47 +0100595 * Removed test program ssl_test, superseded by ssl-opt.sh.
Manuel Pégourié-Gonnard50518f42015-05-26 11:04:15 +0200596 * Removed helper script active-config.pl
597
Manuel Pégourié-Gonnardc89d6cf2015-03-31 14:43:19 +0200598New deprecations
599 * md_init_ctx() is deprecated in favour of md_setup(), that adds a third
Manuel Pégourié-Gonnard50518f42015-05-26 11:04:15 +0200600 argument (allowing memory savings if HMAC is not used)
601
Manuel Pégourié-Gonnard1d0ca1a2015-03-27 16:50:00 +0100602Semi-API changes (technically public, morally private)
Manuel Pégourié-Gonnard50518f42015-05-26 11:04:15 +0200603 * Renamed a few headers to include _internal in the name. Those headers are
604 not supposed to be included by users.
Manuel Pégourié-Gonnard1022fed2015-03-27 16:30:47 +0100605 * Changed md_info_t into an opaque structure (use md_get_xxx() accessors).
Manuel Pégourié-Gonnard606df8c2015-03-27 17:13:17 +0100606 * Changed pk_info_t into an opaque structure.
Manuel Pégourié-Gonnard8c8be1e2015-03-31 14:21:11 +0200607 * Changed cipher_base_t into an opaque structure.
Manuel Pégourié-Gonnard606df8c2015-03-27 17:13:17 +0100608 * Removed sig_oid2 and rename sig_oid1 to sig_oid in x509_crt and x509_crl.
609 * x509_crt.key_usage changed from unsigned char to unsigned int.
Manuel Pégourié-Gonnard88bdb0b2015-03-10 14:02:33 +0000610 * Removed r and s from ecdsa_context
611 * Removed mode from des_context and des3_context
Manuel Pégourié-Gonnardfa44f202015-03-27 17:52:25 +0100612
Manuel Pégourié-Gonnard348bcb32015-03-31 14:01:33 +0200613Default behavior changes
614 * The default minimum TLS version is now TLS 1.0.
615 * RC4 is now blacklisted by default in the SSL/TLS layer, and excluded from the
Manuel Pégourié-Gonnard1028b742015-05-06 17:33:07 +0100616 default ciphersuite list returned by ssl_list_ciphersuites()
Manuel Pégourié-Gonnard88d37852015-06-17 14:26:49 +0200617 * Support for receiving SSLv2 ClientHello is now disabled by default at
618 compile time.
Manuel Pégourié-Gonnard662c6e82015-05-06 17:39:23 +0100619 * The default authmode for SSL/TLS clients is now REQUIRED.
Manuel Pégourié-Gonnardcb46fd82015-05-28 17:06:07 +0200620 * Support for RSA_ALT contexts in the PK layer is now optional. Since is is
621 enabled in the default configuration, this is only noticeable if using a
622 custom config.h
623 * Default DHM parameters server-side upgraded from 1024 to 2048 bits.
624 * A minimum RSA key size of 2048 bits is now enforced during ceritificate
625 chain verification.
Manuel Pégourié-Gonnard606df8c2015-03-27 17:13:17 +0100626 * Negotiation of truncated HMAC is now disabled by default on server too.
Manuel Pégourié-Gonnardaff37e52015-05-11 18:11:57 +0200627 * The following functions are now case-sensitive:
Manuel Pégourié-Gonnardab229102015-04-15 11:53:16 +0200628 mbedtls_cipher_info_from_string()
Manuel Pégourié-Gonnardd4f04db2015-05-14 18:58:17 +0200629 mbedtls_ecp_curve_info_from_name()
Manuel Pégourié-Gonnard3a3ae3d2015-05-06 17:08:54 +0100630 mbedtls_md_info_from_string()
Manuel Pégourié-Gonnard88bdb0b2015-03-10 14:02:33 +0000631 mbedtls_ssl_ciphersuite_from_string()
Manuel Pégourié-Gonnard01e5e8c2015-05-11 10:11:56 +0200632 mbedtls_version_check_feature()
Manuel Pégourié-Gonnard1b511f92015-05-06 15:54:23 +0100633
634Requirement changes
Manuel Pégourié-Gonnard01e5e8c2015-05-11 10:11:56 +0200635 * The minimum MSVC version required is now 2010 (better C99 support).
636 * The NET layer now unconditionnaly relies on getaddrinfo() and select().
637 * Compiler is required to support C99 types such as long long and uint32_t.
638
Manuel Pégourié-Gonnard0c890352015-05-13 10:28:41 +0200639API changes from the 1.4 preview branch
640 * ssl_set_bio_timeout() was removed, split into mbedtls_ssl_set_bio() with
641 new prototype, and mbedtls_ssl_set_read_timeout().
642 * The following functions now return void:
Manuel Pégourié-Gonnardabc729e2015-07-01 01:28:24 +0200643 mbedtls_ssl_conf_transport()
644 mbedtls_ssl_conf_max_version()
Manuel Pégourié-Gonnard1b511f92015-05-06 15:54:23 +0100645 mbedtls_ssl_conf_min_version()
Manuel Pégourié-Gonnard0a4fb092015-05-07 12:50:31 +0100646 * DTLS no longer hard-depends on TIMING_C, but uses a callback interface
647 instead, see mbedtls_ssl_set_timer_cb(), with the Timing module providing
648 an example implementation, see mbedtls_timing_delay_context and
Manuel Pégourié-Gonnard88d37852015-06-17 14:26:49 +0200649 mbedtls_timing_set/get_delay().
650 * With UDP sockets, it is no longer necessary to call net_bind() again
Manuel Pégourié-Gonnard0a4fb092015-05-07 12:50:31 +0100651 after a successful net_accept().
Manuel Pégourié-Gonnard7bf19762015-02-10 10:09:37 +0000652
653Changes
654 * mbedtls_ctr_drbg_random() and mbedtls_hmac_drbg_random() are now
Manuel Pégourié-Gonnard9f982512015-04-17 16:55:53 +0200655 thread-safe if MBEDTLS_THREADING_C is enabled.
Manuel Pégourié-Gonnarde6efa6f2015-04-20 11:01:48 +0100656 * Reduced ROM fooprint of SHA-256 and added an option to reduce it even
657 more (at the expense of performance) MBEDTLS_SHA256_SMALLER.
Manuel Pégourié-Gonnard47fede02015-04-29 01:35:48 +0200658
659= mbed TLS 1.3 branch
Manuel Pégourié-Gonnard7bf19762015-02-10 10:09:37 +0000660
661Security
Manuel Pégourié-Gonnard154b00b2015-05-11 21:05:36 +0200662 * With authmode set to SSL_VERIFY_OPTIONAL, verification of keyUsage and
663 extendedKeyUsage on the leaf certificate was lost (results not accessible
Manuel Pégourié-Gonnard39a183a2015-04-17 16:14:32 +0200664 via ssl_get_verify_results()).
Manuel Pégourié-Gonnard95f00892015-04-15 14:12:05 +0200665 * Add countermeasure against "Lucky 13 strikes back" cache-based attack,
Manuel Pégourié-Gonnardba334202015-04-17 16:16:52 +0200666 https://dl.acm.org/citation.cfm?id=2714625
Manuel Pégourié-Gonnard39ead3e2015-03-27 13:09:21 +0100667
668Features
Manuel Pégourié-Gonnard00c22012015-02-13 15:14:10 +0000669 * Improve ECC performance by using more efficient doubling formulas
670 (contributed by Peter Dettman).
671 * Add x509_crt_verify_info() to display certificate verification results.
672 * Add support for reading DH parameters with privateValueLength included
Manuel Pégourié-Gonnardea0184b2015-02-16 15:42:16 +0000673 (contributed by Daniel Kahn Gillmor).
674 * Add support for bit strings in X.509 names (request by Fredrik Axelsson).
Manuel Pégourié-Gonnardad350ed2015-02-16 17:45:35 +0000675 * Add support for id-at-uniqueIdentifier in X.509 names.
676 * Add support for overriding snprintf() (except on Windows) and exit() in
677 the platform layer.
678 * Add an option to use macros instead of function pointers in the platform
679 layer (helps get rid of unwanted references).
680 * Improved Makefiles for Windows targets by fixing library targets and making
Manuel Pégourié-Gonnard8c3f0f42015-04-09 14:10:26 +0200681 cross-compilation easier (thanks to Alon Bar-Lev).
Manuel Pégourié-Gonnardf7dbedb2015-03-23 14:20:04 +0100682 * The benchmark program also prints heap usage for public-key primitives
Manuel Pégourié-Gonnard8c3f0f42015-04-09 14:10:26 +0200683 if POLARSSL_MEMORY_BUFFER_ALLOC_C and POLARSSL_MEMORY_DEBUG are defined.
Manuel Pégourié-Gonnardf7dbedb2015-03-23 14:20:04 +0100684 * New script ecc-heap.sh helps measuring the impact of ECC parameters on
Manuel Pégourié-Gonnard7bf19762015-02-10 10:09:37 +0000685 speed and RAM (heap only for now) usage.
686 * New script memory.sh helps measuring the ROM and RAM requirements of two
Manuel Pégourié-Gonnarddccb80b2015-06-03 10:20:33 +0100687 reduced configurations (PSK-CCM and NSA suite B).
Manuel Pégourié-Gonnardf2ec5052015-06-03 09:50:07 +0100688 * Add config flag POLARSSL_DEPRECATED_WARNING (off by default) to produce
Manuel Pégourié-Gonnard3e87a9f2015-06-03 09:48:26 +0100689 warnings on use of deprecated functions (with GCC and Clang only).
690 * Add config flag POLARSSL_DEPRECATED_REMOVED (off by default) to produce
Manuel Pégourié-Gonnard2a1524c2015-05-27 17:59:46 +0200691 errors on use of deprecated functions.
692
Manuel Pégourié-Gonnardfa950c92015-04-30 12:50:22 +0200693Bugfix
694 * Fix compile errors with PLATFORM_NO_STD_FUNCTIONS.
Manuel Pégourié-Gonnard159c5242015-04-30 11:15:22 +0200695 * Fix compile error with PLATFORM_EXIT_ALT (thanks to Rafał Przywara).
696 * Fix bug in entropy.c when THREADING_C is also enabled that caused
Manuel Pégourié-Gonnard770b5e12015-04-29 17:02:01 +0200697 entropy_free() to crash (thanks to Rafał Przywara).
698 * Fix memory leak when gcm_setkey() and ccm_setkey() are used more than
Manuel Pégourié-Gonnardd97828e2015-04-29 14:03:28 +0200699 once on the same context.
700 * Fix bug in ssl_mail_client when password is longer that username (found
Manuel Pégourié-Gonnardf5203e02015-04-29 09:58:00 +0200701 by Bruno Pape).
Manuel Pégourié-Gonnarda2fce212015-04-15 19:09:03 +0200702 * Fix undefined behaviour (memcmp( NULL, NULL, 0 );) in X.509 modules
703 (detected by Clang's 3.6 UBSan).
704 * mpi_size() and mpi_msb() would segfault when called on an mpi that is
Manuel Pégourié-Gonnard924cd102015-04-14 11:18:04 +0200705 initialized but not set (found by pravic).
706 * Fix detection of support for getrandom() on Linux (reported by syzzer) by
Manuel Pégourié-Gonnardcf201202015-04-02 10:46:55 +0100707 doing it at runtime (using uname) rather that compile time.
Manuel Pégourié-Gonnard88fca3e2015-03-27 15:06:07 +0100708 * Fix handling of symlinks by "make install" (found by Gaël PORTAY).
Manuel Pégourié-Gonnard38433532015-02-11 11:35:58 +0000709 * Fix potential NULL pointer dereference (not trigerrable remotely) when
710 ssl_write() is called before the handshake is finished (introduced in
Manuel Pégourié-Gonnarddda52132015-02-11 11:36:31 +0000711 1.3.10) (first reported by Martin Blumenstingl).
Manuel Pégourié-Gonnard6fdc4ca2015-02-13 17:15:18 +0000712 * Fix bug in pk_parse_key() that caused some valid private EC keys to be
713 rejected.
Manuel Pégourié-Gonnarddf4e4402015-02-18 10:11:06 +0000714 * Fix bug in Via Padlock support (found by Nikos Mavrogiannopoulos).
Manuel Pégourié-Gonnard51bccd32015-03-10 16:09:08 +0000715 * Fix thread safety bug in RSA operations (found by Fredrik Axelsson).
716 * Fix hardclock() (only used in the benchmarking program) with some
717 versions of mingw64 (found by kxjhlele).
Manuel Pégourié-Gonnard1a901472015-03-10 16:12:29 +0000718 * Fix warnings from mingw64 in timing.c (found by kxjklele).
Manuel Pégourié-Gonnard0878a0d2015-03-31 15:13:29 +0200719 * Fix potential unintended sign extension in asn1_get_len() on 64-bit
720 platforms.
Manuel Pégourié-Gonnard07ec1dd2015-04-03 17:26:50 +0200721 * Fix potential memory leak in ssl_set_psk() (found by Mansour Moufid).
722 * Fix compile error when POLARSSL_SSL_DISABLE_RENEGOTATION and
Manuel Pégourié-Gonnard7bf19762015-02-10 10:09:37 +0000723 POLARSSL_SSL_SSESSION_TICKETS where both enabled in config.h (introduced
724 in 1.3.10).
Manuel Pégourié-Gonnard12a8b662015-04-15 14:20:14 +0200725 * Add missing extern "C" guard in aesni.h (reported by amir zamani).
726 * Add missing dependency on SHA-256 in some x509 programs (reported by
727 Gergely Budai).
Manuel Pégourié-Gonnard23ce09b2015-04-09 14:51:51 +0200728 * Fix bug related to ssl_set_curves(): the client didn't check that the
Manuel Pégourié-Gonnarda98af5e2015-04-09 14:40:46 +0200729 curve picked by the server was actually allowed.
Manuel Pégourié-Gonnard8c3f0f42015-04-09 14:10:26 +0200730
Manuel Pégourié-Gonnard0645bfa2015-04-15 11:14:22 +0200731Changes
Manuel Pégourié-Gonnard40f315a2015-03-13 13:49:26 +0000732 * Remove bias in mpi_gen_prime (contributed by Pascal Junod).
733 * Remove potential sources of timing variations (some contributed by Pascal
Manuel Pégourié-Gonnard0645bfa2015-04-15 11:14:22 +0200734 Junod).
Manuel Pégourié-Gonnardf427f882015-03-10 15:35:29 +0000735 * Options POLARSSL_HAVE_INT8 and POLARSSL_HAVE_INT16 are deprecated.
Manuel Pégourié-Gonnard6f60cd82015-02-10 10:47:03 +0000736 * Enabling POLARSSL_NET_C without POLARSSL_HAVE_IPV6 is deprecated.
737 * compat-1.2.h and openssl.h are deprecated.
Manuel Pégourié-Gonnard677af932015-02-10 11:41:57 +0000738 * Adjusting/overriding CFLAGS and LDFLAGS with the make build system is now
739 more flexible (warning: OFLAGS is not used any more) (see the README)
740 (contributed by Alon Bar-Lev).
741 * ssl_set_own_cert() no longer calls pk_check_pair() since the
Manuel Pégourié-Gonnard00c22012015-02-13 15:14:10 +0000742 performance impact was bad for some users (this was introduced in 1.3.10).
Manuel Pégourié-Gonnard178f9d62014-10-20 14:56:56 +0200743 * Move from SHA-1 to SHA-256 in example programs using signatures
Paul Bakkerdaae3b72015-02-08 15:49:54 +0100744 (suggested by Thorsten Mühlfelder).
Manuel Pégourié-Gonnard547ff662014-11-26 15:42:16 +0100745 * Remove some unneeded inclusions of header files from the standard library
746 "minimize" others (eg use stddef.h if only size_t is needed).
Manuel Pégourié-Gonnardee7d5992015-01-28 14:02:38 +0000747 * Change #include lines in test files to use double quotes instead of angle
Manuel Pégourié-Gonnard547ff662014-11-26 15:42:16 +0100748 brackets for uniformity with the rest of the code.
749 * Remove dependency on sscanf() in X.509 parsing modules.
Manuel Pégourié-Gonnard0369a522014-11-11 22:17:26 +0100750
Manuel Pégourié-Gonnardd6814432014-11-12 01:25:31 +0100751= mbed TLS 1.3.10 released 2015-02-09
Manuel Pégourié-Gonnard0369a522014-11-11 22:17:26 +0100752Security
Manuel Pégourié-Gonnardb1340602014-11-11 23:11:16 +0100753 * NULL pointer dereference in the buffer-based allocator when the buffer is
Manuel Pégourié-Gonnardd6814432014-11-12 01:25:31 +0100754 full and polarssl_free() is called (found by Mark Hasemeyer)
755 (only possible if POLARSSL_MEMORY_BUFFER_ALLOC_C is enabled, which it is
756 not by default).
757 * Fix remotely-triggerable uninitialised pointer dereference caused by
Manuel Pégourié-Gonnardb1340602014-11-11 23:11:16 +0100758 crafted X.509 certificate (TLS server is not affected if it doesn't ask for a
Manuel Pégourié-Gonnard6674cce2015-02-06 10:30:58 +0000759 client certificate) (found using Codenomicon Defensics).
760 * Fix remotely-triggerable memory leak caused by crafted X.509 certificates
761 (TLS server is not affected if it doesn't ask for a client certificate)
Manuel Pégourié-Gonnard0369a522014-11-11 22:17:26 +0100762 (found using Codenomicon Defensics).
Manuel Pégourié-Gonnardde171252014-11-08 17:58:24 +0100763 * Fix potential stack overflow while parsing crafted X.509 certificates
Manuel Pégourié-Gonnardd1a878c2015-01-14 16:59:23 +0100764 (TLS server is not affected if it doesn't ask for a client certificate)
765 (found using Codenomicon Defensics).
766 * Fix timing difference that could theoretically lead to a
Manuel Pégourié-Gonnardde171252014-11-08 17:58:24 +0100767 Bleichenbacher-style attack in the RSA and RSA-PSK key exchanges
Manuel Pégourié-Gonnard426d4ae2014-11-19 16:58:28 +0100768 (reported by Sebastian Schinzel).
Manuel Pégourié-Gonnardfd6c85c2014-11-20 16:34:20 +0100769
770Features
Manuel Pégourié-Gonnardfa423882014-11-04 19:57:55 +0100771 * Add support for FALLBACK_SCSV (draft-ietf-tls-downgrade-scsv).
Manuel Pégourié-Gonnard3ff78232015-01-08 11:15:09 +0100772 * Add support for Extended Master Secret (draft-ietf-tls-session-hash).
Paul Bakker6152b022015-04-14 15:00:09 +0200773 * Add support for Encrypt-then-MAC (RFC 7366).
Manuel Pégourié-Gonnarddf331a52015-01-08 16:43:07 +0100774 * Add function pk_check_pair() to test if public and private keys match.
Manuel Pégourié-Gonnard18292452015-01-09 14:34:13 +0100775 * Add x509_crl_parse_der().
776 * Add compile-time option POLARSSL_X509_MAX_INTERMEDIATE_CA to limit the
Manuel Pégourié-Gonnardd1a878c2015-01-14 16:59:23 +0100777 length of an X.509 verification chain.
Manuel Pégourié-Gonnardbd47a582015-01-12 13:43:29 +0100778 * Support for renegotiation can now be disabled at compile-time
Manuel Pégourié-Gonnard607d6632015-01-26 11:17:20 +0000779 * Support for 1/n-1 record splitting, a countermeasure against BEAST.
780 * Certificate selection based on signature hash, preferring SHA-1 over SHA-2
Manuel Pégourié-Gonnard547ff662014-11-26 15:42:16 +0100781 for pre-1.2 clients when multiple certificates are available.
Manuel Pégourié-Gonnard5cb4b312014-11-25 17:41:50 +0100782 * Add support for getrandom() syscall on recent Linux kernels with Glibc or
783 a compatible enough libc (eg uClibc).
784 * Add ssl_set_arc4_support() to make it easier to disable RC4 at runtime
Manuel Pégourié-Gonnard5dd28ea2014-11-27 13:57:42 +0100785 while using the default ciphersuite list.
786 * Added new error codes and debug messages about selection of
Manuel Pégourié-Gonnardd1a878c2015-01-14 16:59:23 +0100787 ciphersuite/certificate.
788
Manuel Pégourié-Gonnard54f6e562014-11-10 12:15:39 +0100789Bugfix
Manuel Pégourié-Gonnardb31b61b2014-11-10 13:05:43 +0100790 * Stack buffer overflow if ctr_drbg_update() is called with too large
Manuel Pégourié-Gonnarde9599792014-11-10 13:43:55 +0100791 add_len (found by Jean-Philippe Aumasson) (not triggerable remotely).
792 * Possible buffer overflow of length at most POLARSSL_MEMORY_ALIGN_MULTIPLE
Manuel Pégourié-Gonnardacdb9b92015-01-23 17:50:34 +0000793 if memory_buffer_alloc_init() was called with buf not aligned and len not
794 a multiple of POLARSSL_MEMORY_ALIGN_MULTIPLE (not triggerable remotely).
Manuel Pégourié-Gonnard9d7fc162015-01-19 17:16:54 +0000795 * User set CFLAGS were ignored by Cmake with gcc (introduced in 1.3.9, found
Manuel Pégourié-Gonnarde89163c2015-01-23 14:30:57 +0000796 by Julian Ospald).
797 * Fix potential undefined behaviour in Camellia.
Manuel Pégourié-Gonnardf3046ef2015-01-28 14:13:30 +0000798 * Fix potential failure in ECDSA signatures when POLARSSL_ECP_MAX_BITS is a
799 multiple of 8 (found by Gergely Budai).
800 * Fix unchecked return code in x509_crt_parse_path() on Windows (found by
801 Peter Vaskovic).
Manuel Pégourié-Gonnardaa422b22015-02-02 09:30:45 +0000802 * Fix assembly selection for MIPS64 (thanks to James Cowgill).
803 * ssl_get_verify_result() now works even if the handshake was aborted due
Manuel Pégourié-Gonnard54f6e562014-11-10 12:15:39 +0100804 to a failed verification (found by Fredrik Axelsson).
Manuel Pégourié-Gonnardd056ce02014-10-29 22:29:20 +0100805 * Skip writing and parsing signature_algorithm extension if none of the
806 key exchanges enabled needs certificates. This fixes a possible interop
807 issue with some servers when a zero-length extension was sent. (Reported
Manuel Pégourié-Gonnarde10e06d2014-11-06 18:15:12 +0100808 by Peter Dettman.)
Manuel Pégourié-Gonnardde171252014-11-08 17:58:24 +0100809 * On a 0-length input, base64_encode() did not correctly set output length
Manuel Pégourié-Gonnard8a5e3d42014-11-12 17:47:28 +0100810 (found by Hendrik van den Boogaard).
Manuel Pégourié-Gonnard8c9223d2014-11-19 10:17:21 +0100811
Manuel Pégourié-Gonnardf01768c2015-01-08 17:06:16 +0100812Changes
813 * Use deterministic nonces for AEAD ciphers in TLS by default (possible to
Paul Bakkere522d0f2015-01-14 16:12:48 +0100814 switch back to random with POLARSSL_SSL_AEAD_RANDOM_IV in config.h).
Manuel Pégourié-Gonnardd1a878c2015-01-14 16:59:23 +0100815 * Blind RSA private operations even when POLARSSL_RSA_NO_CRT is defined.
Manuel Pégourié-Gonnarde117a8f2015-01-09 12:39:35 +0100816 * ssl_set_own_cert() now returns an error on key-certificate mismatch.
Paul Bakker5b8f7ea2015-01-14 16:26:54 +0100817 * Forbid repeated extensions in X.509 certificates.
818 * debug_print_buf() now prints a text view in addition to hexadecimal.
Manuel Pégourié-Gonnardc9e04832015-01-19 16:24:23 +0000819 * A specific error is now returned when there are ciphersuites in common
Manuel Pégourié-Gonnard5cb4b312014-11-25 17:41:50 +0100820 but none of them is usable due to external factors such as no certificate
Paul Bakker9eac4f72014-10-20 13:56:15 +0200821 with a suitable (extended)KeyUsage or curve or no PSK set.
Manuel Pégourié-Gonnard480905d2014-08-21 19:38:32 +0200822 * It is now possible to disable negotiation of truncated HMAC server-side
823 at runtime with ssl_set_truncated_hmac().
824 * Example programs for SSL client and server now disable SSLv3 by default.
Manuel Pégourié-Gonnard5d861852014-10-17 12:41:41 +0200825 * Example programs for SSL client and server now disable RC4 by default.
Paul Bakkerb082bb52014-10-20 13:37:51 +0200826 * Use platform.h in all test suites and programs.
827
Manuel Pégourié-Gonnard43c3b282014-10-17 12:42:11 +0200828= PolarSSL 1.3.9 released 2014-10-20
Paul Bakkerb082bb52014-10-20 13:37:51 +0200829Security
830 * Lowest common hash was selected from signature_algorithms extension in
Manuel Pégourié-Gonnard480905d2014-08-21 19:38:32 +0200831 TLS 1.2 (found by Darren Bane) (introduced in 1.3.8).
Paul Bakker8dcb2d72014-08-08 12:22:30 +0200832 * Remotely-triggerable memory leak when parsing some X.509 certificates
833 (server is not affected if it doesn't ask for a client certificate)
Manuel Pégourié-Gonnard955028f2014-07-12 01:27:34 +0200834 (found using Codenomicon Defensics).
Manuel Pégourié-Gonnard9a6b4422014-07-21 13:42:54 +0200835 * Remotely-triggerable memory leak when parsing crafted ClientHello
Manuel Pégourié-Gonnard42cc6412014-07-21 13:55:54 +0200836 (not affected if ECC support was compiled out) (found using Codenomicon
Manuel Pégourié-Gonnard868c0ee2014-07-21 14:18:17 +0200837 Defensics).
Manuel Pégourié-Gonnard462906f2014-07-21 17:37:01 +0200838
839Bugfix
Manuel Pégourié-Gonnarddca108e2014-07-21 18:15:22 +0200840 * Support escaping of commas in x509_string_to_names()
Manuel Pégourié-Gonnardf26a1e82014-08-19 12:28:50 +0200841 * Fix compile error in ssl_pthread_server (found by Julian Ospald).
842 * Fix net_accept() regarding non-blocking sockets (found by Luca Pesce).
Manuel Pégourié-Gonnardf07f4212014-08-15 19:04:47 +0200843 * Don't print uninitialised buffer in ssl_mail_client (found by Marc Abel).
844 * Fix warnings from Clang's scan-build (contributed by Alfred Klomp).
Manuel Pégourié-Gonnarda13500f2014-08-19 16:14:04 +0200845 * Fix compile error in timing.c when POLARSSL_NET_C and POLARSSL_SELFTEST
846 are defined but not POLARSSL_HAVE_TIME (found by Stephane Di Vito).
Sander Niemeijeref5087d2014-08-16 12:45:52 +0200847 * Remove non-existent file from VS projects (found by Peter Vaskovic).
Paul Bakker5a5fa922014-09-26 14:53:04 +0200848 * ssl_read() could return non-application data records on server while
Manuel Pégourié-Gonnard7f4ed672014-10-14 20:56:02 +0200849 renegotation was pending, and on client when a HelloRequest was received.
Manuel Pégourié-Gonnardf7cdbc02014-10-17 17:02:10 +0200850 * Server-initiated renegotiation would fail with non-blocking I/O if the
851 write callback returned WANT_WRITE when requesting renegotiation.
Paul Bakker8dcb2d72014-08-08 12:22:30 +0200852 * ssl_close_notify() could send more than one message in some circumstances
Manuel Pégourié-Gonnard8d4ad072014-07-13 14:43:28 +0200853 with non-blocking I/O.
854 * Fix compiler warnings on iOS (found by Sander Niemeijer).
855 * x509_crt_parse() did not increase total_failed on PEM error
Manuel Pégourié-Gonnarda04fa4f2014-07-13 16:16:44 +0200856 * Fix compile error with armcc in mpi_is_prime()
857 * Fix potential bad read in parsing ServerHello (found by Adrien
Manuel Pégourié-Gonnard192253a2014-07-21 16:37:15 +0200858 Vialletelle).
859
Manuel Pégourié-Gonnardf26a1e82014-08-19 12:28:50 +0200860Changes
861 * Ciphersuites using SHA-256 or SHA-384 now require TLS 1.x (there is no
Manuel Pégourié-Gonnardda1b4de2014-09-08 17:03:50 +0200862 standard defining how to use SHA-2 with SSL 3.0).
863 * Ciphersuites using RSA-PSK key exchange new require TLS 1.x (the spec is
Manuel Pégourié-Gonnard64938c62014-10-15 21:45:39 +0200864 ambiguous on how to encode some packets with SSL 3.0).
Manuel Pégourié-Gonnard5d861852014-10-17 12:41:41 +0200865 * Made buffer size in pk_write_(pub)key_pem() more dynamic, eg smaller if
866 RSA is disabled, larger if POLARSSL_MPI_MAX_SIZE is larger.
Manuel Pégourié-Gonnard8d4ad072014-07-13 14:43:28 +0200867 * ssl_read() now returns POLARSSL_ERR_NET_WANT_READ rather than
Paul Bakker1910aa72014-07-11 11:28:56 +0200868 POLARSSL_ERR_SSL_UNEXPECTED_MESSAGE on harmless alerts.
Manuel Pégourié-Gonnard0bcc4e12014-06-17 10:54:17 +0200869 * POLARSSL_MPI_MAX_SIZE now defaults to 1024 in order to allow 8192 bits
870 RSA keys.
871 * Accept spaces at end of line or end of buffer in base64_decode().
872 * X.509 certificates with more than one AttributeTypeAndValue per
873 RelativeDistinguishedName are not accepted any more.
Paul Bakkerc6ece492014-05-22 15:45:03 +0200874
875= PolarSSL 1.3.8 released 2014-07-11
876Security
Manuel Pégourié-Gonnardb4798712014-06-06 18:10:44 +0200877 * Fix length checking for AEAD ciphersuites (found by Codenomicon).
878 It was possible to crash the server (and client) using crafted messages
Manuel Pégourié-Gonnard398c57b2014-06-23 12:10:59 +0200879 when a GCM suite was chosen.
Manuel Pégourié-Gonnard35795222014-06-24 17:33:54 +0200880
881Features
Manuel Pégourié-Gonnard01edb102014-06-24 22:42:34 +0200882 * Add CCM module and cipher mode to Cipher Layer
883 * Support for CCM and CCM_8 ciphersuites
Paul Bakker23647b42014-07-04 15:00:12 +0200884 * Support for parsing and verifying RSASSA-PSS signatures in the X.509
885 modules (certificates, CRLs and CSRs).
Manuel Pégourié-Gonnarddfc7df02014-06-30 17:59:55 +0200886 * Blowfish in the cipher layer now supports variable length keys.
887 * Add example config.h for PSK with CCM, optimized for low RAM usage.
Paul Bakkerc6ece492014-05-22 15:45:03 +0200888 * Optimize for RAM usage in example config.h for NSA Suite B profile.
Paul Bakker863989b2014-06-12 21:49:01 +0200889 * Add POLARSSL_REMOVE_ARC4_CIPHERSUITES to allow removing RC4 ciphersuites
890 from the default list (inactive by default).
891 * Add server-side enforcement of sent renegotiation requests
Paul Bakker34617722014-06-13 17:20:13 +0200892 (ssl_set_renegotiation_enforced())
893 * Add SSL_CIPHERSUITES config.h flag to allow specifying a list of
Manuel Pégourié-Gonnardbd772542014-07-07 14:02:33 +0200894 ciphersuites to use and save some memory if the list is small.
Manuel Pégourié-Gonnard08e81e02014-07-08 12:56:25 +0200895
896Changes
Paul Bakker28476e22014-07-01 15:59:04 +0200897 * Add LINK_WITH_PTHREAD option in CMake for explicit linking that is
898 required on some platforms (e.g. OpenBSD)
Paul Bakker863989b2014-06-12 21:49:01 +0200899 * Migrate zeroizing of data to polarssl_zeroize() instead of memset()
Paul Bakker5593f7c2014-05-06 10:29:28 +0200900 against unwanted compiler optimizations
901 * md_list() now returns hashes strongest first
Paul Bakker1ebc0c52014-05-22 15:47:58 +0200902 * Selection of hash for signing ServerKeyExchange in TLS 1.2 now picks
Paul Bakkerdff31392014-05-22 15:06:41 +0200903 strongest offered by client.
Paul Bakker0f651c72014-05-22 15:12:19 +0200904 * All public contexts have _init() and _free() functions now for simpler
905 usage pattern
Paul Bakker49033ba2014-06-12 21:46:13 +0200906
907Bugfix
908 * Fix in debug_print_msg()
909 * Enforce alignment in the buffer allocator even if buffer is not aligned
Paul Bakker3c38f292014-06-13 17:37:46 +0200910 * Remove less-than-zero checks on unsigned numbers
Manuel Pégourié-Gonnard08485cc2014-06-18 23:11:34 +0200911 * Stricter check on SSL ClientHello internal sizes compared to actual packet
Manuel Pégourié-Gonnardeaa76f72014-06-18 16:06:02 +0200912 size (found by TrustInSoft)
913 * Fix WSAStartup() return value check (found by Peter Vaskovic)
Manuel Pégourié-Gonnard08485cc2014-06-18 23:11:34 +0200914 * Other minor issues (found by Peter Vaskovic)
915 * Fix symlink command for cross compiling with CMake (found by Andre
916 Heinecke)
917 * Fix DER output of gen_key app (found by Gergely Budai)
Manuel Pégourié-Gonnardc4eff162014-06-19 12:18:08 +0200918 * Very small records were incorrectly rejected when truncated HMAC was in
919 use with some ciphersuites and versions (RC4 in all versions, CBC with
Manuel Pégourié-Gonnardd249b7a2014-06-24 11:49:16 +0200920 versions < TLS 1.1).
921 * Very large records using more than 224 bytes of padding were incorrectly
922 rejected with CBC-based ciphersuites and TLS >= 1.1
Barry K. Nathan35e7cb92014-05-05 23:26:13 -0700923 * Very large records using less padding could cause a buffer overread of up
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200924 to 32 bytes with CBC-based ciphersuites and TLS >= 1.1
925 * Restore ability to use a v1 cert as a CA if trusted locally. (This had
Manuel Pégourié-Gonnardfd35af12014-06-23 14:10:13 +0200926 been removed in 1.3.6.)
927 * Restore ability to locally trust a self-signed cert that is not a proper
Manuel Pégourié-Gonnard8df68632014-06-23 17:56:08 +0200928 CA for use as an end entity certificate. (This had been removed in
929 1.3.6.)
930 * Fix preprocessor checks for bn_mul PPC asm (found by Barry K. Nathan).
Manuel Pégourié-Gonnard31357252014-06-24 17:57:57 +0200931 * Use \n\t rather than semicolons for bn_mul asm, since some assemblers
Paul Bakkerd5983182014-07-04 13:50:31 +0200932 interpret semicolons as comment delimiters (found by Barry K. Nathan).
933 * Fix off-by-one error in parsing Supported Point Format extension that
Paul Bakker6c343d72014-07-10 14:36:19 +0200934 caused some handshakes to fail.
935 * Fix possible miscomputation of the premaster secret with DHE-PSK key
Paul Bakker5593f7c2014-05-06 10:29:28 +0200936 exchange that caused some handshakes to fail with other implementations.
Paul Bakker47431b62014-05-02 13:27:13 +0200937 (Failure rate <= 1/255 with common DHM moduli.)
Paul Bakkereaebbd52014-04-25 15:04:14 +0200938 * Disable broken Sparc64 bn_mul assembly (found by Florian Obser).
Paul Bakkerc73079a2014-04-25 16:34:30 +0200939 * Fix base64_decode() to return and check length correctly (in case of
940 tight buffers)
Paul Bakker0f90d7d2014-04-30 11:49:44 +0200941 * Fix mpi_write_string() to write "00" as hex output for empty MPI (found
942 by Hui Dong)
Paul Bakker92478c32014-04-25 15:18:34 +0200943
Paul Bakker088c5c52014-04-25 11:11:10 +0200944= PolarSSL 1.3.7 released on 2014-05-02
945Features
946 * debug_set_log_mode() added to determine raw or full logging
Paul Bakker92478c32014-04-25 15:18:34 +0200947 * debug_set_threshold() added to ignore messages over threshold level
Paul Bakker63844402014-04-30 15:34:12 +0200948 * version_check_feature() added to check for compile-time options at
Manuel Pégourié-Gonnard63a5bfe2014-04-26 17:21:07 +0200949 run-time
Manuel Pégourié-Gonnardc16f4e12014-04-29 18:23:07 +0200950
Paul Bakker088c5c52014-04-25 11:11:10 +0200951Changes
Paul Bakkere92f73d2014-04-18 14:08:26 +0200952 * POLARSSL_CONFIG_OPTIONS has been removed. All values are individually
953 checked and filled in the relevant module headers
954 * Debug module only outputs full lines instead of parts
Paul Bakker4ffcd2f2014-04-25 11:44:12 +0200955 * Better support for the different Attribute Types from IETF PKIX (RFC 5280)
956 * AES-NI now compiles with "old" assemblers too
Paul Bakkerfdba4682014-04-25 11:48:35 +0200957 * Ciphersuites based on RC4 now have the lowest priority by default
Paul Bakker61885c72014-04-25 12:59:03 +0200958
959Bugfix
Paul Bakkera7036632014-04-30 10:15:38 +0200960 * Only iterate over actual certificates in ssl_write_certificate_request()
961 (found by Matthew Page)
Paul Bakker24f37cc2014-04-30 13:33:35 +0200962 * Typos in platform.c and pkcs11.c (found by Daniel Phillips and Steffan
Paul Bakkerf96f7b62014-04-30 16:02:38 +0200963 Karger)
Paul Bakker33dc46b2014-04-30 16:11:39 +0200964 * cert_write app should use subject of issuer certificate as issuer of cert
965 * Fix false reject in padding check in ssl_decrypt_buf() for CBC
Manuel Pégourié-Gonnardedc81ff2014-04-29 15:06:49 +0200966 ciphersuites, for full SSL frames of data.
Manuel Pégourié-Gonnard3a306b92014-04-29 15:11:17 +0200967 * Improve interoperability by not writing extension length in ClientHello /
Markus Pfeiffera26a0052014-04-22 20:16:15 +0000968 ServerHello when no extensions are present (found by Matthew Page)
Barry K. Nathancf975f52014-04-23 17:40:25 -0700969 * rsa_check_pubkey() now allows an E up to N
970 * On OpenBSD, use arc4random_buf() instead of rand() to prevent warnings
Paul Bakkere92f73d2014-04-18 14:08:26 +0200971 * mpi_fill_random() was creating numbers larger than requested on
Paul Bakker784b04f2014-04-11 15:33:59 +0200972 big-endian platform when size was not an integer number of limbs
Manuel Pégourié-Gonnard969ccc62014-03-26 19:53:25 +0100973 * Fix dependencies issues in X.509 test suite.
Paul Bakker27e36d32014-04-08 12:33:37 +0200974 * Some parts of ssl_tls.c were compiled even when the module was disabled.
975 * Fix detection of DragonflyBSD in net.c (found by Markus Pfeiffer)
Paul Bakker1cfc4582014-04-09 15:25:13 +0200976 * Fix detection of Clang on some Apple platforms with CMake
Manuel Pégourié-Gonnardb7fff0f2014-04-11 11:32:39 +0200977 (found by Barry K. Nathan)
Paul Bakker59366212014-04-09 15:55:20 +0200978
Manuel Pégourié-Gonnardb7fff0f2014-04-11 11:32:39 +0200979= PolarSSL 1.3.6 released on 2014-04-11
980
Paul Bakker27e36d32014-04-08 12:33:37 +0200981Features
Paul Bakker4984d3c2014-04-04 15:39:37 +0200982 * Support for the ALPN SSL extension
983 * Add option 'use_dev_random' to gen_key application
Manuel Pégourié-Gonnard2abed842014-04-08 12:40:15 +0200984 * Enable verification of the keyUsage extension for CA and leaf
985 certificates (POLARSSL_X509_CHECK_KEY_USAGE)
Manuel Pégourié-Gonnard0776a432014-04-11 12:25:45 +0200986 * Enable verification of the extendedKeyUsage extension
Manuel Pégourié-Gonnard9655e452014-04-11 12:29:49 +0200987 (POLARSSL_X509_CHECK_EXTENDED_KEY_USAGE)
Paul Bakker4984d3c2014-04-04 15:39:37 +0200988
Manuel Pégourié-Gonnarddd75c312014-03-31 11:55:42 +0200989Changes
990 * x509_crt_info() now prints information about parsed extensions as well
991 * pk_verify() now returns a specific error code when the signature is valid
Manuel Pégourié-Gonnard8c045ef2014-04-08 11:55:03 +0200992 but shorter than the supplied length.
993 * Use UTC time to check certificate validity.
994 * Reject certificates with times not in UTC, per RFC 5280.
995
Paul Bakker4224bc02014-04-08 14:36:50 +0200996Security
997 * Avoid potential timing leak in ecdsa_sign() by blinding modular division.
Manuel Pégourié-Gonnarddd75c312014-03-31 11:55:42 +0200998 (Found by Watson Ladd.)
Manuel Pégourié-Gonnard969ccc62014-03-26 19:53:25 +0100999 * The notAfter date of some certificates was no longer checked since 1.3.5.
1000 This affects certificates in the user-supplied chain except the top
Manuel Pégourié-Gonnard6b0d2682014-03-25 11:24:43 +01001001 certificate. If the user-supplied chain contains only one certificates,
Paul Bakker75a28602014-03-31 12:08:17 +02001002 it is not affected (ie, its notAfter date is properly checked).
1003 * Prevent potential NULL pointer dereference in ssl_read_record() (found by
Manuel Pégourié-Gonnard74bc68a2014-04-02 13:20:00 +02001004 TrustInSoft)
Manuel Pégourié-Gonnarde4421112014-04-02 13:50:05 +02001005
1006Bugfix
Manuel Pégourié-Gonnard887aa5b2014-04-04 13:57:20 +02001007 * The length of various ClientKeyExchange messages was not properly checked.
1008 * Some example server programs were not sending the close_notify alert.
Shuo Chen95a0d112014-04-04 21:04:40 -07001009 * Potential memory leak in mpi_exp_mod() when error occurs during
1010 calculation of RR.
Manuel Pégourié-Gonnard7afdb882014-03-28 16:06:35 +01001011 * Fixed malloc/free default #define in platform.c (found by Gergely Budai).
1012 * Fixed type which made POLARSSL_ENTROPY_FORCE_SHA256 uneffective (found by
Manuel Pégourié-Gonnard3fec2202014-03-29 16:42:38 +01001013 Gergely Budai).
Manuel Pégourié-Gonnard01488752014-04-03 22:09:18 +02001014 * Fix #include path in ecdsa.h which wasn't accepted by some compilers.
1015 (found by Gergely Budai)
Paul Bakker16300582014-04-11 13:28:43 +02001016 * Fix compile errors when POLARSSL_ERROR_STRERROR_BC is undefined (found by
1017 Shuo Chen).
Manuel Pégourié-Gonnard78848372014-04-10 17:45:07 +02001018 * oid_get_numeric_string() used to truncate the output without returning an
1019 error if the output buffer was just 1 byte too small.
Manuel Pégourié-Gonnard969ccc62014-03-26 19:53:25 +01001020 * dhm_parse_dhm() (hence dhm_parse_dhmfile()) did not set dhm->len.
Paul Bakker96d52652014-03-26 16:55:50 +01001021 * Calling pk_debug() on an RSA-alt key would segfault.
Paul Bakker5fb8efe2014-02-05 15:54:34 +01001022 * pk_get_size() and pk_get_len() were off by a factor 8 for RSA-alt keys.
1023 * Potential buffer overwrite in pem_write_buffer() because of low length
Manuel Pégourié-Gonnard84c30c72014-02-26 17:38:55 +01001024 indication (found by Thijs Alkemade)
Paul Bakker6a28e722014-02-06 13:41:55 +01001025 * EC curves constants, which should be only in ROM since 1.3.3, were also
Paul Bakkerf2561b32014-02-06 15:11:55 +01001026 stored in RAM due to missing 'const's (found by Gergely Budai).
Paul Bakker2ceda572014-02-06 15:55:25 +01001027
1028= PolarSSL 1.3.5 released on 2014-03-26
Paul Bakker6a8e7f82014-03-17 13:45:06 +01001029Features
1030 * HMAC-DRBG as a separate module
Manuel Pégourié-Gonnard86b400f2014-03-19 16:55:29 +01001031 * Option to set the Curve preference order (disabled by default)
Paul Bakker66ff70d2014-03-26 11:54:05 +01001032 * Single Platform compatilibity layer (for memory / printf / fprintf)
Paul Bakker6a28e722014-02-06 13:41:55 +01001033 * Ability to provide alternate timing implementation
1034 * Ability to force the entropy module to use SHA-256 as its basis
1035 (POLARSSL_ENTROPY_FORCE_SHA256)
Paul Bakker47703a02014-02-06 15:01:20 +01001036 * Testing script ssl-opt.sh added for testing 'live' ssl option
1037 interoperability against OpenSSL and PolarSSL
Manuel Pégourié-Gonnard14ed1a22014-03-11 10:16:25 +01001038 * Support for reading EC keys that use SpecifiedECDomain in some cases.
Manuel Pégourié-Gonnardbb8661e2014-03-14 09:21:20 +01001039 * Entropy module now supports seed writing and reading
1040
Paul Bakker6a8e7f82014-03-17 13:45:06 +01001041Changes
1042 * Deprecated the Memory layer
Manuel Pégourié-Gonnard7a2aba82014-03-25 16:37:27 +01001043 * entropy_add_source(), entropy_update_manual() and entropy_gather()
Paul Bakker674e0b02014-03-26 13:26:52 +01001044 now thread-safe if POLARSSL_THREADING_C defined
Paul Bakker5fb8efe2014-02-05 15:54:34 +01001045 * Improvements to the CMake build system, contributed by Julian Ospald.
Manuel Pégourié-Gonnard796c6f32014-03-10 09:34:49 +01001046 * Work around a bug of the version of Clang shipped by Apple with Mavericks
1047 that prevented bignum.c from compiling. (Reported by Rafael Baptista.)
Manuel Pégourié-Gonnardb2bf5a12014-03-25 16:28:12 +01001048 * Revamped the compat.sh interoperatibility script to include support for
Manuel Pégourié-Gonnard796c6f32014-03-10 09:34:49 +01001049 testing against GnuTLS
Manuel Pégourié-Gonnard95337652014-03-10 13:15:18 +01001050 * Deprecated ssl_set_own_cert_rsa() and ssl_set_own_cert_rsa_alt()
Manuel Pégourié-Gonnard83cdffc2014-03-10 21:20:29 +01001051 * Improvements to tests/Makefile, contributed by Oden Eriksson.
Manuel Pégourié-Gonnard7a2aba82014-03-25 16:37:27 +01001052
Paul Bakker91c61bc2014-03-26 14:06:55 +01001053Security
1054 * Forbid change of server certificate during renegotiation to prevent
Manuel Pégourié-Gonnard796c6f32014-03-10 09:34:49 +01001055 "triple handshake" attack when authentication mode is 'optional' (the
Manuel Pégourié-Gonnard6e8e34d2014-01-28 19:30:56 +01001056 attack was already impossible when authentication is required).
1057 * Check notBefore timestamp of certificates and CRLs from the future.
1058 * Forbid sequence number wrapping
Manuel Pégourié-Gonnard7a2aba82014-03-25 16:37:27 +01001059 * Fixed possible buffer overflow with overlong PSK
Paul Bakkercd6d69a2014-02-06 15:43:21 +01001060 * Possible remotely-triggered out-of-bounds memory access fixed (found by
Manuel Pégourié-Gonnard6b1e2072014-02-12 10:14:54 +01001061 TrustInSoft)
Paul Bakker3d52ab72014-03-07 10:33:55 +01001062
Manuel Pégourié-Gonnard29dcc0b2014-03-10 11:32:07 +01001063Bugfix
Manuel Pégourié-Gonnard844a4c02014-03-10 21:55:35 +01001064 * ecp_gen_keypair() does more tries to prevent failure because of
Alex Wilson73491422014-03-06 00:04:09 +10001065 statistics
1066 * Fixed bug in RSA PKCS#1 v1.5 "reversed" operations
Manuel Pégourié-Gonnard84c30c72014-02-26 17:38:55 +01001067 * Fixed testing with out-of-source builds using cmake
1068 * Fixed version-major intolerance in server
Manuel Pégourié-Gonnard145dfcb2014-02-26 14:23:33 +01001069 * Fixed CMake symlinking on out-of-source builds
Paul Bakkerb0695ce2014-03-17 13:42:23 +01001070 * Fixed dependency issues in test suite
Manuel Pégourié-Gonnard84c30c72014-02-26 17:38:55 +01001071 * Programs rsa_sign_pss and rsa_verify_pss were not using PSS since 1.3.0
Paul Bakkerb0695ce2014-03-17 13:42:23 +01001072 * Bignum's MIPS-32 assembly was used on MIPS-64, causing chaos. (Found by
Manuel Pégourié-Gonnardd701c9a2014-02-26 17:54:07 +01001073 Alex Wilson.)
Paul Bakkerb0695ce2014-03-17 13:42:23 +01001074 * ssl_cache was creating entries when max_entries=0 if TIMING_C was enabled.
Paul Bakker3d6504a2014-03-17 13:41:51 +01001075 * m_sleep() was sleeping twice too long on most Unix platforms.
1076 * Fixed bug with session tickets and non-blocking I/O in the unlikely case
Paul Bakker77f4f392014-03-26 15:28:55 +01001077 send() would return an EAGAIN error when sending the ticket.
1078 * ssl_cache was leaking memory when reusing a timed out entry containing a
Manuel Pégourié-Gonnardfdddac92014-03-25 15:58:35 +01001079 client certificate.
Paul Bakker5fff23b2014-03-26 15:34:54 +01001080 * ssl_srv was leaking memory when client presented a timed out ticket
Manuel Pégourié-Gonnard6e8e34d2014-01-28 19:30:56 +01001081 containing a client certificate
Paul Bakker2aca2412014-01-27 11:49:46 +01001082 * ssl_init() was leaving a dirty pointer in ssl_context if malloc of
Paul Bakker3eb96732014-01-22 13:08:19 +01001083 out_ctr failed
Paul Bakker0ac99ca2014-01-22 13:08:44 +01001084 * ssl_handshake_init() was leaving dirty pointers in subcontexts if malloc
Paul Bakker5862eee2014-01-22 14:18:03 +01001085 of one of them failed
Paul Bakker556efba2014-01-24 15:38:12 +01001086 * Fix typo in rsa_copy() that impacted PKCS#1 v2 contexts
Paul Bakkere6c2ddb2014-01-27 11:47:15 +01001087 * x509_get_current_time() uses localtime_r() to prevent thread issues
Paul Bakker3eb96732014-01-22 13:08:19 +01001088
1089= PolarSSL 1.3.4 released on 2014-01-27
1090Features
1091 * Support for the Koblitz curves: secp192k1, secp224k1, secp256k1
Paul Bakkerd75ba402014-01-24 16:11:17 +01001092 * Support for RIPEMD-160
Paul Bakkerb84582b2014-01-27 12:23:43 +01001093 * Support for AES CFB8 mode
1094 * Support for deterministic ECDSA (RFC 6979)
Paul Bakker2cb1a0c2014-01-27 13:36:23 +01001095
1096Bugfix
1097 * Potential memory leak in bignum_selftest()
Paul Bakkerb84582b2014-01-27 12:23:43 +01001098 * Replaced expired test certificate
1099 * ssl_mail_client now terminates lines with CRLF, instead of LF
Paul Bakker3eb96732014-01-22 13:08:19 +01001100 * net module handles timeouts on blocking sockets better (found by Tilman
Paul Bakker5bc07a32013-12-31 10:57:44 +01001101 Sauerbeck)
Paul Bakker014f1432013-12-02 14:54:01 +01001102 * Assembly format fixes in bn_mul.h
1103
Paul Bakker9dc53a92013-12-02 14:55:28 +01001104Security
1105 * Missing MPI_CHK calls added around unguarded mpi calls (found by
Paul Bakker48d78a52013-12-05 16:11:38 +01001106 TrustInSoft)
Paul Bakkerfdf94692013-12-17 13:09:31 +01001107
Paul Bakker5a607d22013-12-17 14:33:42 +01001108= PolarSSL 1.3.3 released on 2013-12-31
Paul Bakker23116fd2013-12-30 14:09:47 +01001109Features
Paul Bakkerf9c49532013-12-19 15:40:58 +01001110 * EC key generation support in gen_key app
Paul Bakker014f1432013-12-02 14:54:01 +01001111 * Support for adhering to client ciphersuite order preference
Paul Bakker7aa03752013-11-26 17:37:31 +01001112 (POLARSSL_SSL_SRV_RESPECT_CLIENT_PREFERENCE)
1113 * Support for Curve25519
1114 * Support for ECDH-RSA and ECDH-ECDSA key exchanges and ciphersuites
1115 * Support for IPv6 in the NET module
Paul Bakkerc3d0d072013-12-02 14:50:49 +01001116 * AES-NI support for AES, AES-GCM and AES key scheduling
Paul Bakker4040d7e2013-12-02 14:52:57 +01001117 * SSL Pthread-based server example added (ssl_pthread_server)
Paul Bakkerb14817d2013-12-02 22:03:23 +01001118
Paul Bakker5ab68ba2013-12-17 13:10:48 +01001119Changes
Paul Bakkerc7387912013-12-31 10:32:50 +01001120 * gen_prime() speedup
Paul Bakkera8fd3e32013-12-31 11:54:08 +01001121 * Speedup of ECP multiplication operation
Paul Bakker7aa03752013-11-26 17:37:31 +01001122 * Relaxed some SHA2 ciphersuite's version requirements
Paul Bakkerf2b4d862013-11-20 17:23:53 +01001123 * Dropped use of readdir_r() instead of readdir() with threading support
Manuel Pégourié-Gonnard9a4a5ac2013-12-04 18:05:29 +01001124 * More constant-time checks in the RSA module
Paul Bakkerf2b4d862013-11-20 17:23:53 +01001125 * Split off curves from ecp.c into ecp_curves.c
Paul Bakkera9a028e2013-11-21 17:31:06 +01001126 * Curves are now stored fully in ROM
Paul Bakker7aa03752013-11-26 17:37:31 +01001127 * Memory usage optimizations in ECP module
1128 * Removed POLARSSL_THREADING_DUMMY
Paul Bakker6f0636a2013-12-16 15:24:05 +01001129
Paul Bakkerf70fe812013-12-16 16:43:10 +01001130Bugfix
Paul Bakker1a56fc92013-12-19 13:51:24 +01001131 * Fixed bug in mpi_set_bit() on platforms where t_uint is wider than int
Paul Bakker6ea1a952013-12-31 11:16:03 +01001132 * Fixed X.509 hostname comparison (with non-regular characters)
1133 * SSL now gracefully handles missing RNG
Paul Bakker6992eb72013-12-31 11:35:16 +01001134 * Missing defines / cases for RSA_PSK key exchange
1135 * crypt_and_hash app checks MAC before final decryption
Paul Bakkerf2b4d862013-11-20 17:23:53 +01001136 * Potential memory leak in ssl_ticket_keys_init()
Paul Bakker956c9e02013-12-19 14:42:28 +01001137 * Memory leak in benchmark application
1138 * Fixed x509_crt_parse_path() bug on Windows platforms
1139 * Added missing MPI_CHK() around some statements in mpi_div_mpi() (found by
1140 TrustInSoft)
Paul Bakkerf4dc1862013-11-04 17:29:42 +01001141 * Fixed potential overflow in certificate size verification in
Paul Bakker08bb1872013-10-28 14:03:26 +01001142 ssl_write_certificate() (found by TrustInSoft)
1143
Paul Bakker3f917e22013-10-28 14:16:59 +01001144Security
Paul Bakker16421222013-10-28 14:37:09 +01001145 * Possible remotely-triggered out-of-bounds memory access fixed (found by
Paul Bakker08bb1872013-10-28 14:03:26 +01001146 TrustInSoft)
Paul Bakker7bc745b2013-10-28 14:39:49 +01001147
1148= PolarSSL 1.3.2 released on 2013-11-04
Paul Bakkere1121b62013-10-31 14:37:37 +01001149Features
Paul Bakker7b0be682013-10-29 14:24:37 +01001150 * PK tests added to test framework
Paul Bakkere1121b62013-10-31 14:37:37 +01001151 * Added optional optimization for NIST MODP curves (POLARSSL_ECP_NIST_OPTIM)
Paul Bakker7bc745b2013-10-28 14:39:49 +01001152 * Support for Camellia-GCM mode and ciphersuites
Paul Bakker677377f2013-10-28 12:54:26 +01001153
Paul Bakker16421222013-10-28 14:37:09 +01001154Changes
Paul Bakker677377f2013-10-28 12:54:26 +01001155 * Padding checks in cipher layer are now constant-time
Paul Bakker45a2c8d2013-10-28 12:57:08 +01001156 * Value comparisons in SSL layer are now constant-time
Paul Bakker68037da2013-10-28 14:02:40 +01001157 * Support for serialNumber, postalAddress and postalCode in X509 names
Paul Bakker50dc8502013-10-28 21:19:10 +01001158 * SSL Renegotiation was refactored
Paul Bakker93c6aa42013-10-28 22:28:09 +01001159
Manuel Pégourié-Gonnard178d9ba2013-10-29 10:45:28 +01001160Bugfix
Paul Bakkerfa6a6202013-10-28 18:48:30 +01001161 * More stringent checks in cipher layer
Paul Bakkere1121b62013-10-31 14:37:37 +01001162 * Server does not send out extensions not advertised by client
Paul Bakker677377f2013-10-28 12:54:26 +01001163 * Prevent possible alignment warnings on casting from char * to 'aligned *'
Paul Bakker5c17ccd2013-10-15 13:12:41 +02001164 * Misc fixes and additions to dependency checks
Paul Bakkerb799dec2013-10-11 10:03:27 +02001165 * Const correctness
1166 * cert_write with selfsign should use issuer_name as subject_name
Paul Bakker376e8152013-10-15 12:44:23 +02001167 * Fix ECDSA corner case: missing reduction mod N (found by DualTachyon)
Paul Bakkerf34673e2013-10-15 12:46:17 +02001168 * Defines to handle UEFI environment under MSVC
Paul Bakkerb799dec2013-10-11 10:03:27 +02001169 * Server-side initiated renegotiations send HelloRequest
Paul Bakkerddba8822013-10-11 09:21:56 +02001170
1171= PolarSSL 1.3.1 released on 2013-10-15
Paul Bakker16770332013-10-11 09:59:44 +02001172Features
Paul Bakkerbe089b02013-10-14 15:51:50 +02001173 * Support for Brainpool curves and TLS ciphersuites (RFC 7027)
Paul Bakkera7ea6a52013-10-15 11:55:10 +02001174 * Support for ECDHE-PSK key-exchange and ciphersuites
Paul Bakkerddba8822013-10-11 09:21:56 +02001175 * Support for RSA-PSK key-exchange and ciphersuites
1176
1177Changes
1178 * RSA blinding locks for a smaller amount of time
1179 * TLS compression only allocates working buffer once
Paul Bakkerfcc17212013-10-11 09:36:52 +02001180 * Introduced POLARSSL_HAVE_READDIR_R for systems without it
Paul Bakkerd61cc3b2013-10-11 09:38:49 +02001181 * config.h is more script-friendly
Paul Bakker4aa40d42013-10-11 10:49:24 +02001182
Paul Bakkerb7c13122013-10-11 10:51:32 +02001183Bugfix
Paul Bakker5191e922013-10-11 10:54:28 +02001184 * Missing MSVC defines added
Paul Bakkerddba8822013-10-11 09:21:56 +02001185 * Compile errors with POLARSSL_RSA_NO_CRT
Paul Bakker5c17ccd2013-10-15 13:12:41 +02001186 * Header files with 'polarssl/'
Paul Bakker41c83d32013-03-20 14:39:14 +01001187 * Const correctness
1188 * Possible naming collision in dhm_context
1189 * Better support for MSVC
1190 * threading_set_alt() name
1191 * Added missing x509write_crt_set_version()
Paul Bakkerc8676782013-08-28 12:15:11 +02001192
1193= PolarSSL 1.3.0 released on 2013-10-01
Paul Bakker8f4ddae2013-04-15 15:09:54 +02001194Features
Paul Bakkerb91c2b52013-04-19 16:05:16 +02001195 * Elliptic Curve Cryptography module added
Paul Bakker6e339b52013-07-03 13:37:05 +02001196 * Elliptic Curve Diffie Hellman module added
1197 * Ephemeral Elliptic Curve Diffie Hellman support for SSL/TLS
Paul Bakker2466d932013-09-28 14:40:38 +02001198 (ECDHE-based ciphersuites)
Paul Bakker5ad403f2013-09-18 21:21:30 +02001199 * Ephemeral Elliptic Curve Digital Signature Algorithm support for SSL/TLS
Paul Bakkerf85778e2013-07-19 14:55:25 +02001200 (ECDSA-based ciphersuites)
1201 * Ability to specify allowed ciphersuites based on the protocol version.
1202 * PSK and DHE-PSK based ciphersuites added
1203 * Memory allocation abstraction layer added
Paul Bakkerda4d1c32013-08-14 12:24:34 +02001204 * Buffer-based memory allocator added (no malloc() / free() / HEAP usage)
1205 * Threading abstraction layer added (dummy / pthread / alternate)
Paul Bakker936539a2013-08-14 13:49:20 +02001206 * Public Key abstraction layer added
Paul Bakkerca174fe2013-08-28 16:31:30 +02001207 * Parsing Elliptic Curve keys
1208 * Parsing Elliptic Curve certificates
Paul Bakker7fb4a792013-09-12 12:00:52 +02001209 * Support for max_fragment_length extension (RFC 6066)
1210 * Support for truncated_hmac extension (RFC 6066)
Paul Bakker6ec34fb2013-09-10 14:53:46 +02001211 * Support for zeros-and-length (ANSI X.923) padding, one-and-zeros
Paul Bakker8b817dc2013-09-25 18:03:58 +02001212 (ISO/IEC 7816-4) padding and zero padding in the cipher layer
1213 * Support for session tickets (RFC 5077)
Paul Bakker41c83d32013-03-20 14:39:14 +01001214 * Certificate Request (CSR) generation with extensions (key_usage,
Paul Bakker9b5798d2013-03-13 13:53:00 +01001215 ns_cert_type)
Paul Bakkerd2f068e2013-08-27 21:19:20 +02001216 * X509 Certificate writing with extensions (basic_constraints,
1217 issuer_key_identifier, etc)
Paul Bakker68884e32013-01-07 18:20:04 +01001218 * Optional blinding for RSA, DHM and EC
1219 * Support for multiple active certificate / key pairs in SSL servers for
Paul Bakker9b5798d2013-03-13 13:53:00 +01001220 the same host (Not to be confused with SNI!)
1221
Paul Bakkerc70b9822013-04-07 22:00:46 +02001222Changes
1223 * Ability to enable / disable SSL v3 / TLS 1.0 / TLS 1.1 / TLS 1.2
Paul Bakkerb9d3cfa2013-06-26 15:07:16 +02001224 individually
Paul Bakker2fbefde2013-06-29 16:01:15 +02001225 * Introduced separate SSL Ciphersuites module that is based on
1226 Cipher and MD information
Paul Bakker0be444a2013-08-27 21:55:01 +02001227 * Internals for SSL module adapted to have separate IV pointer that is
Paul Bakkere2ab84f2013-06-29 18:24:32 +02001228 dynamically set (Better support for hardware acceleration)
1229 * Moved all OID functionality to a separate module. RSA function
Paul Bakker9e36f042013-06-30 14:34:05 +02001230 prototypes for the RSA sign and verify functions changed as a result
Paul Bakker548957d2013-08-30 10:30:02 +02001231 * Split up the GCM module into a starts/update/finish cycle
Paul Bakker45f21c72013-09-18 15:33:49 +02001232 * Client and server now filter sent and accepted ciphersuites on minimum
1233 and maximum protocol version
Paul Bakker5ad403f2013-09-18 21:21:30 +02001234 * Ability to disable server_name extension (RFC 6066)
Paul Bakkerc27c4e22013-09-23 15:01:36 +02001235 * Renamed error_strerror() to the less conflicting polarssl_strerror()
1236 (Ability to keep old as well with POLARSSL_ERROR_STRERROR_BC)
Paul Bakker9b5798d2013-03-13 13:53:00 +01001237 * SHA2 renamed to SHA256, SHA4 renamed to SHA512 and functions accordingly
Paul Bakkereff2e6d2013-04-11 17:13:22 +02001238 * All RSA operations require a random generator for blinding purposes
Paul Bakker73d44312013-05-22 13:56:26 +02001239 * X509 core refactored
Paul Bakkerabf2f8f2013-06-30 14:57:46 +02001240 * x509_crt_verify() now case insensitive for cn (RFC 6125 6.4)
Paul Bakker1e6a1752013-07-26 14:10:22 +02001241 * Also compiles / runs without time-based functions (!POLARSSL_HAVE_TIME)
Paul Bakker003dbad2013-09-09 17:26:14 +02001242 * Support faulty X509 v1 certificates with extensions
Paul Bakkereff2e6d2013-04-11 17:13:22 +02001243 (POLARSSL_X509_ALLOW_EXTENSIONS_NON_V3)
Paul Bakkeraab30c12013-08-30 11:00:25 +02001244
1245Bugfix
1246 * Fixed parse error in ssl_parse_certificate_request()
1247 * zlib compression/decompression skipped on empty blocks
Manuel Pégourié-Gonnard7b124922015-04-30 10:16:19 +02001248 * Support for AIX header locations in net.c module
1249 * Fixed file descriptor leaks
1250
1251Security
1252 * RSA blinding on CRT operations to counter timing attacks
1253 (found by Cyril Arnaud and Pierre-Alain Fouque)
1254
1255
1256= Version 1.2.14 released 2015-05-??
1257
1258Security
1259 * Fix potential invalid memory read in the server, that allows a client to
1260 crash it remotely (found by Caj Larsson).
1261 * Fix potential invalid memory read in certificate parsing, that allows a
1262 client to crash the server remotely if client authentication is enabled
1263 (found using Codenomicon Defensics).
1264 * Add countermeasure against "Lucky 13 strikes back" cache-based attack,
1265 https://dl.acm.org/citation.cfm?id=2714625
1266
1267Bugfix
1268 * Fix bug in Via Padlock support (found by Nikos Mavrogiannopoulos).
1269 * Fix hardclock() (only used in the benchmarking program) with some
1270 versions of mingw64 (found by kxjhlele).
1271 * Fix warnings from mingw64 in timing.c (found by kxjklele).
1272 * Fix potential unintended sign extension in asn1_get_len() on 64-bit
1273 platforms (found with Coverity Scan).
1274
1275= Version 1.2.13 released 2015-02-16
1276Note: Although PolarSSL has been renamed to mbed TLS, no changes reflecting
1277 this will be made in the 1.2 branch at this point.
1278
1279Security
1280 * Fix remotely-triggerable uninitialised pointer dereference caused by
1281 crafted X.509 certificate (TLS server is not affected if it doesn't ask
1282 for a client certificate) (found using Codenomicon Defensics).
1283 * Fix remotely-triggerable memory leak caused by crafted X.509 certificates
1284 (TLS server is not affected if it doesn't ask for a client certificate)
1285 (found using Codenomicon Defensics).
1286 * Fix potential stack overflow while parsing crafted X.509 certificates
1287 (TLS server is not affected if it doesn't ask for a client certificate)
1288 found using Codenomicon Defensics).
1289 * Fix buffer overread of size 1 when parsing crafted X.509 certificates
1290 (TLS server is not affected if it doesn't ask for a client certificate).
1291
1292Bugfix
1293 * Fix potential undefined behaviour in Camellia.
1294 * Fix memory leaks in PKCS#5 and PKCS#12.
1295 * Stack buffer overflow if ctr_drbg_update() is called with too large
1296 add_len (found by Jean-Philippe Aumasson) (not triggerable remotely).
1297 * Fix bug in MPI/bignum on s390/s390x (reported by Dan Horák) (introduced
1298 in 1.2.12).
1299 * Fix unchecked return code in x509_crt_parse_path() on Windows (found by
1300 Peter Vaskovic).
1301 * Fix assembly selection for MIPS64 (thanks to James Cowgill).
1302 * ssl_get_verify_result() now works even if the handshake was aborted due
1303 to a failed verification (found by Fredrik Axelsson).
1304 * Skip writing and parsing signature_algorithm extension if none of the
1305 key exchanges enabled needs certificates. This fixes a possible interop
1306 issue with some servers when a zero-length extension was sent. (Reported
1307 by Peter Dettman.)
1308 * On a 0-length input, base64_encode() did not correctly set output length
Paul Bakkera6c5ea22014-10-24 16:26:29 +02001309 (found by Hendrik van den Boogaard).
1310
1311Changes
1312 * Blind RSA private operations even when POLARSSL_RSA_NO_CRT is defined.
1313 * Forbid repeated extensions in X.509 certificates.
1314 * Add compile-time option POLARSSL_X509_MAX_INTERMEDIATE_CA to limit the
1315 length of an X.509 verification chain (default = 8).
1316= Version 1.2.12 released 2014-10-24
1317
1318Security
1319 * Remotely-triggerable memory leak when parsing some X.509 certificates
1320 (server is not affected if it doesn't ask for a client certificate).
1321 (Found using Codenomicon Defensics.)
1322
1323Bugfix
1324 * Fix potential bad read in parsing ServerHello (found by Adrien
1325 Vialletelle).
1326 * ssl_close_notify() could send more than one message in some circumstances
1327 with non-blocking I/O.
1328 * x509_crt_parse() did not increase total_failed on PEM error
1329 * Fix compiler warnings on iOS (found by Sander Niemeijer).
1330 * Don't print uninitialised buffer in ssl_mail_client (found by Marc Abel).
1331 * Fix net_accept() regarding non-blocking sockets (found by Luca Pesce).
1332 * ssl_read() could return non-application data records on server while
1333 renegotation was pending, and on client when a HelloRequest was received.
1334 * Fix warnings from Clang's scan-build (contributed by Alfred Klomp).
1335
Paul Bakker0ae5a3d2014-07-11 11:28:30 +02001336Changes
1337 * X.509 certificates with more than one AttributeTypeAndValue per
1338 RelativeDistinguishedName are not accepted any more.
1339 * ssl_read() now returns POLARSSL_ERR_NET_WANT_READ rather than
1340 POLARSSL_ERR_SSL_UNEXPECTED_MESSAGE on harmless alerts.
1341 * Accept spaces at end of line or end of buffer in base64_decode().
1342
1343= Version 1.2.11 released 2014-07-11
1344Features
1345 * Entropy module now supports seed writing and reading
1346
1347Changes
1348 * Introduced POLARSSL_HAVE_READDIR_R for systems without it
1349 * Improvements to the CMake build system, contributed by Julian Ospald.
1350 * Work around a bug of the version of Clang shipped by Apple with Mavericks
1351 that prevented bignum.c from compiling. (Reported by Rafael Baptista.)
1352 * Improvements to tests/Makefile, contributed by Oden Eriksson.
1353 * Use UTC time to check certificate validity.
1354 * Reject certificates with times not in UTC, per RFC 5280.
1355 * Migrate zeroizing of data to polarssl_zeroize() instead of memset()
1356 against unwanted compiler optimizations
1357
1358Security
1359 * Forbid change of server certificate during renegotiation to prevent
1360 "triple handshake" attack when authentication mode is optional (the
1361 attack was already impossible when authentication is required).
1362 * Check notBefore timestamp of certificates and CRLs from the future.
1363 * Forbid sequence number wrapping
1364 * Prevent potential NULL pointer dereference in ssl_read_record() (found by
1365 TrustInSoft)
1366 * Fix length checking for AEAD ciphersuites (found by Codenomicon).
1367 It was possible to crash the server (and client) using crafted messages
1368 when a GCM suite was chosen.
1369
1370Bugfix
1371 * Fixed X.509 hostname comparison (with non-regular characters)
1372 * SSL now gracefully handles missing RNG
1373 * crypt_and_hash app checks MAC before final decryption
1374 * Fixed x509_crt_parse_path() bug on Windows platforms
1375 * Added missing MPI_CHK() around some statements in mpi_div_mpi() (found by
1376 TrustInSoft)
1377 * Fixed potential overflow in certificate size verification in
1378 ssl_write_certificate() (found by TrustInSoft)
1379 * Fix ASM format in bn_mul.h
1380 * Potential memory leak in bignum_selftest()
1381 * Replaced expired test certificate
1382 * ssl_mail_client now terminates lines with CRLF, instead of LF
1383 * Fix bug in RSA PKCS#1 v1.5 "reversed" operations
1384 * Fixed testing with out-of-source builds using cmake
1385 * Fixed version-major intolerance in server
1386 * Fixed CMake symlinking on out-of-source builds
1387 * Bignum's MIPS-32 assembly was used on MIPS-64, causing chaos. (Found by
1388 Alex Wilson.)
1389 * ssl_init() was leaving a dirty pointer in ssl_context if malloc of
1390 out_ctr failed
1391 * ssl_handshake_init() was leaving dirty pointers in subcontexts if malloc
1392 of one of them failed
1393 * x509_get_current_time() uses localtime_r() to prevent thread issues
1394 * Some example server programs were not sending the close_notify alert.
1395 * Potential memory leak in mpi_exp_mod() when error occurs during
1396 calculation of RR.
1397 * Improve interoperability by not writing extension length in ClientHello
1398 when no extensions are present (found by Matthew Page)
1399 * rsa_check_pubkey() now allows an E up to N
1400 * On OpenBSD, use arc4random_buf() instead of rand() to prevent warnings
1401 * mpi_fill_random() was creating numbers larger than requested on
1402 big-endian platform when size was not an integer number of limbs
1403 * Fix detection of DragonflyBSD in net.c (found by Markus Pfeiffer)
1404 * Stricter check on SSL ClientHello internal sizes compared to actual packet
1405 size (found by TrustInSoft)
Paul Bakker3a2c0562013-10-07 16:22:05 +02001406 * Fix preprocessor checks for bn_mul PPC asm (found by Barry K. Nathan).
1407 * Use \n\t rather than semicolons for bn_mul asm, since some assemblers
1408 interpret semicolons as comment delimiters (found by Barry K. Nathan).
1409 * Disable broken Sparc64 bn_mul assembly (found by Florian Obser).
1410 * Fix base64_decode() to return and check length correctly (in case of
1411 tight buffers)
1412
1413= Version 1.2.10 released 2013-10-07
1414Changes
Paul Bakkerd93d28e2013-10-01 10:12:42 +02001415 * Changed RSA blinding to a slower but thread-safe version
Paul Bakkerc13aab12013-09-26 10:12:19 +02001416
1417Bugfix
1418 * Fixed memory leak in RSA as a result of introduction of blinding
1419 * Fixed ssl_pkcs11_decrypt() prototype
1420 * Fixed MSVC project files
1421
1422= Version 1.2.9 released 2013-10-01
1423Changes
1424 * x509_verify() now case insensitive for cn (RFC 6125 6.4)
1425
1426Bugfix
1427 * Fixed potential memory leak when failing to resume a session
1428 * Fixed potential file descriptor leaks (found by Remi Gacogne)
1429 * Minor fixes
Paul Bakkerde656232013-06-24 19:07:34 +02001430
1431Security
1432 * Fixed potential heap buffer overflow on large hostname setting
1433 * Fixed potential negative value misinterpretation in load_file()
1434 * RSA blinding on CRT operations to counter timing attacks
1435 (found by Cyril Arnaud and Pierre-Alain Fouque)
1436
1437= Version 1.2.8 released 2013-06-19
1438Features
1439 * Parsing of PKCS#8 encrypted private key files
1440 * PKCS#12 PBE and derivation functions
1441 * Centralized module option values in config.h to allow user-defined
1442 settings without editing header files by using POLARSSL_CONFIG_OPTIONS
1443
1444Changes
1445 * HAVEGE random generator disabled by default
1446 * Internally split up x509parse_key() into a (PEM) handler function
1447 and specific DER parser functions for the PKCS#1 and unencrypted
1448 PKCS#8 private key formats
1449 * Added mechanism to provide alternative implementations for all
1450 symmetric cipher and hash algorithms (e.g. POLARSSL_AES_ALT in
1451 config.h)
1452 * PKCS#5 module added. Moved PBKDF2 functionality inside and deprecated
1453 old PBKDF2 module
1454
1455Bugfix
1456 * Secure renegotiation extension should only be sent in case client
1457 supports secure renegotiation
1458 * Fixed offset for cert_type list in ssl_parse_certificate_request()
1459 * Fixed const correctness issues that have no impact on the ABI
1460 * x509parse_crt() now better handles PEM error situations
1461 * ssl_parse_certificate() now calls x509parse_crt_der() directly
1462 instead of the x509parse_crt() wrapper that can also parse PEM
1463 certificates
1464 * x509parse_crtpath() is now reentrant and uses more portable stat()
1465 * Fixed bignum.c and bn_mul.h to support Thumb2 and LLVM compiler
1466 * Fixed values for 2-key Triple DES in cipher layer
1467 * ssl_write_certificate_request() can handle empty ca_chain
1468
1469Security
1470 * A possible DoS during the SSL Handshake, due to faulty parsing of
1471 PEM-encoded certificates has been fixed (found by Jack Lloyd)
1472
1473= Version 1.2.7 released 2013-04-13
1474Features
1475 * Ability to specify allowed ciphersuites based on the protocol version.
1476
1477Changes
Paul Bakker90f042d2013-03-11 11:38:44 +01001478 * Default Blowfish keysize is now 128-bits
Paul Bakkerc0463502013-02-14 11:19:38 +01001479 * Test suites made smaller to accommodate Raspberry Pi
1480
Paul Bakker3d2dc0f2013-02-27 14:52:37 +01001481Bugfix
1482 * Fix for MPI assembly for ARM
Paul Bakkere3e4a592013-02-28 10:20:53 +01001483 * GCM adapted to support sizes > 2^29
Paul Bakker37286a52013-03-06 16:55:11 +01001484
Paul Bakkerfb1cbd32013-03-06 18:14:52 +01001485= Version 1.2.6 released 2013-03-11
Paul Bakkerc0463502013-02-14 11:19:38 +01001486Bugfix
Paul Bakkerb3869132013-02-28 17:21:01 +01001487 * Fixed memory leak in ssl_free() and ssl_reset() for active session
1488 * Corrected GCM counter incrementation to use only 32-bits instead of
1489 128-bits (found by Yawning Angel)
1490 * Fixes for 64-bit compilation with MS Visual Studio
Paul Bakkera43231c2013-02-28 17:33:49 +01001491 * Fixed net_bind() for specified IP addresses on little endian systems
1492 * Fixed assembly code for ARM (Thumb and regular) for some compilers
Paul Bakker78a8c712013-03-06 17:01:52 +01001493
1494Changes
Paul Bakkere81beda2013-03-06 17:40:46 +01001495 * Internally split up rsa_pkcs1_encrypt(), rsa_pkcs1_decrypt(),
1496 rsa_pkcs1_sign() and rsa_pkcs1_verify() to separate PKCS#1 v1.5 and
Paul Bakkerb3869132013-02-28 17:21:01 +01001497 PKCS#1 v2.1 functions
Paul Bakkere47b34b2013-02-27 14:48:00 +01001498 * Added support for custom labels when using rsa_rsaes_oaep_encrypt()
1499 or rsa_rsaes_oaep_decrypt()
1500 * Re-added handling for SSLv2 Client Hello when the define
Paul Bakker8804f692013-02-28 18:06:26 +01001501 POLARSSL_SSL_SRV_SUPPORT_SSLV2_CLIENT_HELLO is set
1502 * The SSL session cache module (ssl_cache) now also retains peer_cert
1503 information (not the entire chain)
Paul Bakkere47b34b2013-02-27 14:48:00 +01001504
Paul Bakkerc7a2da42013-02-02 19:23:57 +01001505Security
Paul Bakker8fe40dc2013-02-02 12:43:08 +01001506 * Removed further timing differences during SSL message decryption in
1507 ssl_decrypt_buf()
Paul Bakkerd66f0702013-01-31 16:57:45 +01001508 * Removed timing differences due to bad padding from
1509 rsa_rsaes_pkcs1_v15_decrypt() and rsa_pkcs1_decrypt() for PKCS#1 v1.5
Paul Bakker40865c82013-01-31 17:13:13 +01001510 operations
1511
Paul Bakkera35aa542013-03-06 17:06:21 +01001512= Version 1.2.5 released 2013-02-02
Paul Bakker8fe40dc2013-02-02 12:43:08 +01001513Changes
Paul Bakker45829992013-01-03 14:52:21 +01001514 * Allow enabling of dummy error_strerror() to support some use-cases
1515 * Debug messages about padding errors during SSL message decryption are
1516 disabled by default and can be enabled with POLARSSL_SSL_DEBUG_ALL
1517 * Sending of security-relevant alert messages that do not break
Paul Bakker14c56a32013-01-25 17:11:37 +01001518 interoperability can be switched on/off with the flag
Paul Bakker1961b702013-01-25 14:49:24 +01001519 POLARSSL_SSL_ALL_ALERT_MESSAGES
Paul Bakker68884e32013-01-07 18:20:04 +01001520
1521Security
Paul Bakker1961b702013-01-25 14:49:24 +01001522 * Removed timing differences during SSL message decryption in
1523 ssl_decrypt_buf() due to badly formatted padding
Paul Bakker40628ba2013-01-03 10:50:31 +01001524
1525= Version 1.2.4 released 2013-01-25
Paul Bakker21dca692013-01-03 11:41:08 +01001526Changes
Paul Bakker9c94cdd2013-01-22 13:45:33 +01001527 * More advanced SSL ciphersuite representation and moved to more dynamic
1528 SSL core
Paul Bakker40628ba2013-01-03 10:50:31 +01001529 * Added ssl_handshake_step() to allow single stepping the handshake process
Paul Bakkerfb1ba782012-11-26 16:28:25 +01001530
1531Bugfix
1532 * Memory leak when using RSA_PKCS_V21 operations fixed
1533 * Handle future version properly in ssl_write_certificate_request()
Paul Bakkerdf5069c2012-11-24 12:20:19 +01001534 * Correctly handle CertificateRequest message in client for <= TLS 1.1
Paul Bakkere667c982012-11-20 13:50:22 +01001535 without DN list
1536
1537= Version 1.2.3 released 2012-11-26
Paul Bakkerdf5069c2012-11-24 12:20:19 +01001538Bugfix
Paul Bakkere667c982012-11-20 13:50:22 +01001539 * Server not always sending correct CertificateRequest message
Paul Bakker7c90da92012-11-23 14:02:40 +01001540
Paul Bakkerdf5069c2012-11-24 12:20:19 +01001541= Version 1.2.2 released 2012-11-24
1542Changes
Paul Bakker7c90da92012-11-23 14:02:40 +01001543 * Added p_hw_data to ssl_context for context specific hardware acceleration
Paul Bakker14926332012-11-20 10:58:09 +01001544 data
Paul Bakker34d8dbc2012-11-14 12:11:38 +00001545 * During verify trust-CA is only checked for expiration and CRL presence
1546
1547Bugfixes
1548 * Fixed client authentication compatibility
Paul Bakker7a2538e2012-11-02 10:59:36 +00001549 * Fixed dependency on POLARSSL_SHA4_C in SSL modules
1550
Paul Bakkerd9374b02012-11-02 11:02:58 +00001551= Version 1.2.1 released 2012-11-20
Paul Bakkerf02c5642012-11-13 10:25:21 +00001552Changes
1553 * Depth that the certificate verify callback receives is now numbered
Manuel Pégourié-Gonnarde44ec102012-11-17 12:42:51 +01001554 bottom-up (Peer cert depth is 0)
1555
Paul Bakker9daf0d02012-11-13 12:13:27 +00001556Bugfixes
Paul Bakker7a2538e2012-11-02 10:59:36 +00001557 * Fixes for MSVC6
Paul Bakkerc9c5df92012-10-31 13:55:27 +00001558 * Moved mpi_inv_mod() outside POLARSSL_GENPRIME
Paul Bakkerfab5c822012-02-06 16:45:10 +00001559 * Allow R and A to point to same mpi in mpi_div_mpi (found by Manuel
1560 Pégourié-Gonnard)
1561 * Fixed possible segfault in mpi_shift_r() (found by Manuel
1562 Pégourié-Gonnard)
Paul Bakkera8cd2392012-02-11 16:09:32 +00001563 * Added max length check for rsa_pkcs1_sign with PKCS#1 v2.1
1564
1565= Version 1.2.0 released 2012-10-31
Paul Bakkerbdb912d2012-02-13 23:11:30 +00001566Features
1567 * Added support for NULL cipher (POLARSSL_CIPHER_NULL_CIPHER) and weak
1568 ciphersuites (POLARSSL_ENABLE_WEAK_CIPHERSUITES). They are disabled by
1569 default!
Paul Bakker89e80c92012-03-20 13:50:09 +00001570 * Added support for wildcard certificates
Paul Bakker48916f92012-09-16 19:57:18 +00001571 * Added support for multi-domain certificates through the X509 Subject
Paul Bakkerca4ab492012-04-18 14:23:57 +00001572 Alternative Name extension
Paul Bakker01cc3942012-05-08 08:36:15 +00001573 * Added preliminary ASN.1 buffer writing support
Paul Bakker05ef8352012-05-08 09:17:57 +00001574 * Added preliminary X509 Certificate Request writing support
Paul Bakkere6ee41f2012-05-19 08:43:48 +00001575 * Added key_app_writer example application
Paul Bakkerc9c5df92012-10-31 13:55:27 +00001576 * Added cert_req example application
Paul Bakker8d914582012-06-04 12:46:42 +00001577 * Added base Galois Counter Mode (GCM) for AES
Paul Bakker4f9a7bb2012-07-02 08:36:36 +00001578 * Added TLS 1.2 support (RFC 5246)
Paul Bakker2770fbd2012-07-03 13:30:23 +00001579 * Added GCM suites to TLS 1.2 (RFC 5288)
Paul Bakker6132d0a2012-07-04 17:10:40 +00001580 * Added commandline error code convertor (util/strerror)
Paul Bakkerf518b162012-08-23 13:03:18 +00001581 * Added support for Hardware Acceleration hooking in SSL/TLS
Paul Bakker48916f92012-09-16 19:57:18 +00001582 * Added OpenSSL / PolarSSL compatibility script (tests/compat.sh) and
Paul Bakker29b64762012-09-25 09:36:44 +00001583 example application (programs/ssl/o_p_test) (requires OpenSSL)
Paul Bakker0a597072012-09-25 21:55:46 +00001584 * Added X509 CA Path support
Paul Bakker5701cdc2012-09-27 21:49:42 +00001585 * Added Thumb assembly optimizations
Paul Bakker1d29fb52012-09-28 13:28:45 +00001586 * Added DEFLATE compression support as per RFC3749 (requires zlib)
Paul Bakkerfab5c822012-02-06 16:45:10 +00001587 * Added blowfish algorithm (Generic and cipher layer)
Paul Bakker1504af52012-02-11 16:17:43 +00001588 * Added PKCS#5 PBKDF2 key derivation function
1589 * Added Secure Renegotiation (RFC 5746)
Paul Bakker048d04e2012-02-12 17:31:04 +00001590 * Added predefined DHM groups from RFC 5114
Paul Bakker6b906e52012-05-08 12:01:43 +00001591 * Added simple SSL session cache implementation
1592 * Added ServerName extension parsing (SNI) at server side
Paul Bakker186751d2012-05-08 13:16:14 +00001593 * Added option to add minimum accepted SSL/TLS protocol version
Paul Bakker4d2c1242012-05-10 14:12:46 +00001594
Paul Bakker5b377842012-05-16 07:57:36 +00001595Changes
Paul Bakker6132d0a2012-07-04 17:10:40 +00001596 * Removed redundant POLARSSL_DEBUG_MSG define
1597 * AES code only check for Padlock once
Paul Bakkerec636f32012-09-09 19:17:02 +00001598 * Fixed const-correctness mpi_get_bit()
Paul Bakker0a597072012-09-25 21:55:46 +00001599 * Documentation for mpi_lsb() and mpi_msb()
Paul Bakkereb2c6582012-09-27 19:15:01 +00001600 * Moved out_msg to out_hdr + 32 to support hardware acceleration
1601 * Changed certificate verify behaviour to comply with RFC 6125 section 6.3
Paul Bakker915275b2012-09-28 07:10:55 +00001602 to not match CN if subjectAltName extension is present (Closes ticket #56)
Paul Bakker5c2364c2012-10-01 14:41:15 +00001603 * Cipher layer cipher_mode_t POLARSSL_MODE_CFB128 is renamed to
Paul Bakker645ce3a2012-10-31 12:32:41 +00001604 POLARSSL_MODE_CFB, to also handle different block size CFB modes.
Paul Bakker1504af52012-02-11 16:17:43 +00001605 * Removed handling for SSLv2 Client Hello (as per RFC 5246 recommendation)
Paul Bakker37824582012-03-22 14:10:22 +00001606 * Revamped session resumption handling
Paul Bakker7beceb22012-03-22 14:19:49 +00001607 * Generalized external private key implementation handling (like PKCS#11)
1608 in SSL/TLS
Paul Bakker430ffbe2012-05-01 08:14:20 +00001609 * Revamped x509_verify() and the SSL f_vrfy callback implementations
Paul Bakker5b377842012-05-16 07:57:36 +00001610 * Moved from unsigned long to fixed width uint32_t types throughout code
Paul Bakkerf6198c12012-05-16 08:02:29 +00001611 * Renamed ciphersuites naming scheme to IANA reserved names
1612
Paul Bakkere6ee41f2012-05-19 08:43:48 +00001613Bugfix
1614 * Fixed handling error in mpi_cmp_mpi() on longer B values (found by
Paul Bakkercefb3962012-06-27 11:51:09 +00001615 Hui Dong)
Paul Bakker535e97d2012-08-23 10:49:55 +00001616 * Fixed potential heap corruption in x509_name allocation
Paul Bakkerd4c2bd72012-09-16 21:35:30 +00001617 * Fixed single RSA test that failed on Big Endian systems (Closes ticket #54)
Paul Bakker995a2152012-09-25 08:19:56 +00001618 * mpi_exp_mod() now correctly handles negative base numbers (Closes ticket
Paul Bakkerb00ca422012-09-25 12:10:00 +00001619 #52)
Paul Bakker4f024b72012-10-30 07:29:57 +00001620 * Handle encryption with private key and decryption with public key as per
Paul Bakker37824582012-03-22 14:10:22 +00001621 RFC 2313
Paul Bakker452d5322012-04-05 12:07:34 +00001622 * Handle empty certificate subject names
Paul Bakker3c16db92012-07-05 13:58:08 +00001623 * Prevent reading over buffer boundaries on X509 certificate parsing
1624 * mpi_add_abs() now correctly handles adding short numbers to long numbers
Paul Bakker452d5322012-04-05 12:07:34 +00001625 with carry rollover (found by Ruslan Yushchenko)
Paul Bakkerd93d28e2013-10-01 10:12:42 +02001626 * Handle existence of OpenSSL Trust Extensions at end of X.509 DER blob
Paul Bakkerc13aab12013-09-26 10:12:19 +02001627 * Fixed MPI assembly for SPARC64 platform
1628
1629Security
1630 * Fixed potential memory zeroization on miscrafted RSA key (found by Eloi
1631 Vanderbeken)
1632
1633= Version 1.1.8 released on 2013-10-01
1634Bugfix
1635 * Fixed potential memory leak when failing to resume a session
1636 * Fixed potential file descriptor leaks
Paul Bakker248fff52013-06-24 19:08:50 +02001637
1638Security
1639 * Potential buffer-overflow for ssl_read_record() (independently found by
1640 both TrustInSoft and Paul Brodeur of Leviathan Security Group)
1641 * Potential negative value misinterpretation in load_file()
1642 * Potential heap buffer overflow on large hostname setting
1643
1644= Version 1.1.7 released on 2013-06-19
1645Changes
1646 * HAVEGE random generator disabled by default
1647
1648Bugfix
1649 * x509parse_crt() now better handles PEM error situations
1650 * ssl_parse_certificate() now calls x509parse_crt_der() directly
1651 instead of the x509parse_crt() wrapper that can also parse PEM
1652 certificates
1653 * Fixed values for 2-key Triple DES in cipher layer
1654 * ssl_write_certificate_request() can handle empty ca_chain
1655
1656Security
1657 * A possible DoS during the SSL Handshake, due to faulty parsing of
1658 PEM-encoded certificates has been fixed (found by Jack Lloyd)
1659
1660= Version 1.1.6 released on 2013-03-11
1661Bugfix
1662 * Fixed net_bind() for specified IP addresses on little endian systems
1663
1664Changes
1665 * Allow enabling of dummy error_strerror() to support some use-cases
1666 * Debug messages about padding errors during SSL message decryption are
1667 disabled by default and can be enabled with POLARSSL_SSL_DEBUG_ALL
1668
Paul Bakker9d2bb652013-01-25 16:07:49 +01001669Security
1670 * Removed timing differences during SSL message decryption in
1671 ssl_decrypt_buf()
1672 * Removed timing differences due to bad padding from
1673 rsa_rsaes_pkcs1_v15_decrypt() and rsa_pkcs1_decrypt() for PKCS#1 v1.5
1674 operations
1675
1676= Version 1.1.5 released on 2013-01-16
1677Bugfix
1678 * Fixed MPI assembly for SPARC64 platform
1679 * Handle existence of OpenSSL Trust Extensions at end of X.509 DER blob
1680 * mpi_add_abs() now correctly handles adding short numbers to long numbers
1681 with carry rollover
1682 * Moved mpi_inv_mod() outside POLARSSL_GENPRIME
1683 * Prevent reading over buffer boundaries on X509 certificate parsing
1684 * mpi_exp_mod() now correctly handles negative base numbers (Closes ticket
1685 #52)
1686 * Fixed possible segfault in mpi_shift_r() (found by Manuel
1687 Pégourié-Gonnard)
1688 * Allow R and A to point to same mpi in mpi_div_mpi (found by Manuel
1689 Pégourié-Gonnard)
1690 * Added max length check for rsa_pkcs1_sign with PKCS#1 v2.1
1691 * Memory leak when using RSA_PKCS_V21 operations fixed
1692 * Handle encryption with private key and decryption with public key as per
Paul Bakkerd5834bb2012-10-02 14:38:56 +00001693 RFC 2313
1694 * Fixes for MSVC6
1695
1696Security
1697 * Fixed potential memory zeroization on miscrafted RSA key (found by Eloi
1698 Vanderbeken)
Paul Bakkerfad38932012-05-08 09:04:04 +00001699
1700= Version 1.1.4 released on 2012-05-31
1701Bugfix
1702 * Correctly handle empty SSL/TLS packets (Found by James Yonan)
1703 * Fixed potential heap corruption in x509_name allocation
1704 * Fixed single RSA test that failed on Big Endian systems (Closes ticket #54)
1705
1706= Version 1.1.3 released on 2012-04-29
1707Bugfix
1708 * Fixed random MPI generation to not generate more size than requested.
1709
1710= Version 1.1.2 released on 2012-04-26
1711Bugfix
1712 * Fixed handling error in mpi_cmp_mpi() on longer B values (found by
1713 Hui Dong)
Paul Bakker99955bf2012-01-23 09:31:41 +00001714
Paul Bakkerb15b8512012-01-13 13:44:06 +00001715Security
1716 * Fixed potential memory corruption on miscrafted client messages (found by
1717 Frama-C team at CEA LIST)
Paul Bakker2ec0a562012-01-21 05:41:23 +00001718 * Fixed generation of DHM parameters to correct length (found by Ruslan
Paul Bakker99955bf2012-01-23 09:31:41 +00001719 Yushchenko)
1720
Paul Bakkerb15b8512012-01-13 13:44:06 +00001721= Version 1.1.1 released on 2012-01-23
Paul Bakker08a50882011-12-22 09:43:57 +00001722Bugfix
Paul Bakker7eb013f2011-10-06 12:37:39 +00001723 * Check for failed malloc() in ssl_set_hostname() and x509_get_entries()
1724 (Closes ticket #47, found by Hugo Leisink)
1725 * Fixed issues with Intel compiler on 64-bit systems (Closes ticket #50)
1726 * Fixed multiple compiler warnings for VS6 and armcc
Paul Bakker490ecc82011-10-06 13:04:09 +00001727 * Fixed bug in CTR_CRBG selftest
1728
1729= Version 1.1.0 released on 2011-12-22
Paul Bakker03a30d32011-11-11 10:55:02 +00001730Features
1731 * Added ssl_session_reset() to allow better multi-connection pools of
Paul Bakker0e04d0e2011-11-27 14:46:59 +00001732 SSL contexts without needing to set all non-connection-specific
Paul Bakker6083fd22011-12-03 21:45:14 +00001733 data and pointers again. Adapted ssl_server to use this functionality.
1734 * Added ssl_set_max_version() to allow clients to offer a lower maximum
1735 supported version to a server to help buggy server implementations.
Paul Bakker7eb013f2011-10-06 12:37:39 +00001736 (Closes ticket #36)
Paul Bakkerca6f3e22011-10-06 13:11:08 +00001737 * Added cipher_get_cipher_mode() and cipher_get_cipher_operation()
1738 introspection functions (Closes ticket #40)
Paul Bakkerd246ed32011-10-06 13:18:27 +00001739 * Added CTR_DRBG based on AES-256-CTR (NIST SP 800-90) random generator
1740 * Added a generic entropy accumulator that provides support for adding
Paul Bakkerc4909d92011-10-12 09:52:22 +00001741 custom entropy sources and added some generic and platform dependent
Paul Bakkerfbc09f32011-10-12 09:56:41 +00001742 entropy sources
Paul Bakkerb5a11ab2011-10-12 09:58:41 +00001743
Paul Bakkerefc30292011-11-10 14:43:23 +00001744Changes
1745 * Documentation for AES and Camellia in modes CTR and CFB128 clarified.
Paul Bakker5e18aed2011-11-15 15:38:45 +00001746 * Fixed rsa_encrypt and rsa_decrypt examples to use public key for
1747 encryption and private key for decryption. (Closes ticket #34)
Paul Bakkercce9d772011-11-18 14:26:47 +00001748 * Inceased maximum size of ASN1 length reads to 32-bits.
Paul Bakker2e6d5322011-11-18 14:34:17 +00001749 * Added an EXPLICIT tag number parameter to x509_get_ext()
Paul Bakkerb6d5f082011-11-25 11:52:11 +00001750 * Added a separate CRL entry extension parsing function
1751 * Separated the ASN.1 parsing code from the X.509 specific parsing code.
Paul Bakkerfe3256e2011-11-25 12:11:43 +00001752 So now there is a module that is controlled with POLARSSL_ASN1_PARSE_C.
1753 * Changed the defined key-length of DES ciphers in cipher.h to include the
Paul Bakkera3d195c2011-11-27 21:07:34 +00001754 parity bits, to prevent mistakes in copying data. (Closes ticket #33)
1755 * Loads of minimal changes to better support WINCE as a build target
Paul Bakkera35aa542013-03-06 17:06:21 +01001756 (Credits go to Marco Lizza)
Paul Bakker508ad5a2011-12-04 17:09:26 +00001757 * Added POLARSSL_MPI_WINDOW_SIZE definition to allow easier time to memory
Paul Bakker6c0ceb32011-12-04 12:24:18 +00001758 trade-off
1759 * Introduced POLARSSL_MPI_MAX_SIZE and POLARSSL_MPI_MAX_BITS for MPI size
Paul Bakkera35aa542013-03-06 17:06:21 +01001760 management (Closes ticket #44)
1761 * Changed the used random function pointer to more flexible format. Renamed
Paul Bakker69e095c2011-12-10 21:55:01 +00001762 havege_rand() to havege_random() to prevent mistakes. Lots of changes as
Paul Bakkerca6f3e22011-10-06 13:11:08 +00001763 a consequence in library code and programs
Paul Bakkerfa1c5922011-10-06 14:18:49 +00001764 * Moved all examples programs to use the new entropy and CTR_DRBG
1765 * Added permissive certificate parsing to x509parse_crt() and
1766 x509parse_crtfile(). With permissive parsing the parsing does not stop on
Paul Bakker3329d1f2011-10-12 09:55:01 +00001767 encountering a parse-error. Beware that the meaning of return values has
1768 changed!
Paul Bakkercebdf172011-11-11 15:01:31 +00001769 * All error codes are now negative. Even on mermory failures and IO errors.
1770
Paul Bakker1fe7d9b2011-11-15 15:26:03 +00001771Bugfix
1772 * Fixed faulty HMAC-MD2 implementation. Found by dibac. (Closes
Paul Bakker03c7c252011-11-25 12:37:37 +00001773 ticket #37)
1774 * Fixed a bug where the CRL parser expected an EXPLICIT ASN.1 tag
Paul Bakker44637402011-11-26 09:23:07 +00001775 before version numbers
Paul Bakker4f5ae802011-12-04 22:10:28 +00001776 * Allowed X509 key usage parsing to accept 4 byte values instead of the
Paul Bakkerc50132d2011-12-05 14:38:36 +00001777 standard 1 byte version sometimes used by Microsoft. (Closes ticket #38)
Paul Bakkerc8ffbe72011-12-05 14:22:49 +00001778 * Fixed incorrect behaviour in case of RSASSA-PSS with a salt length
Paul Bakkerfa1c5922011-10-06 14:18:49 +00001779 smaller than the hash length. (Closes ticket #41)
Paul Bakker968bc982011-07-27 17:03:00 +00001780 * If certificate serial is longer than 32 octets, serial number is now
Paul Bakker343a8702011-06-09 14:27:58 +00001781 appended with '....' after first 28 octets
1782 * Improved build support for s390x and sparc64 in bignum.h
Paul Bakker7bc05ff2011-08-09 10:30:36 +00001783 * Fixed MS Visual C++ name clash with int64 in sha4.h
Paul Bakker343a8702011-06-09 14:27:58 +00001784 * Corrected removal of leading "00:" in printing serial numbers in
Paul Bakker42e59812011-06-09 15:55:41 +00001785 certificates and CRLs
1786
1787= Version 1.0.0 released on 2011-07-27
1788Features
Paul Bakker887bd502011-06-08 13:10:54 +00001789 * Expanded cipher layer with support for CFB128 and CTR mode
1790 * Added rsa_encrypt and rsa_decrypt simple example programs.
1791
1792Changes
Paul Bakker828acb22011-05-27 09:25:42 +00001793 * The generic cipher and message digest layer now have normal error
Paul Bakkerb6ecaf52011-04-19 14:29:23 +00001794 codes instead of integers
1795
1796Bugfix
Paul Bakkera35aa542013-03-06 17:06:21 +01001797 * Undid faulty bug fix in ssl_write() when flushing old data (Ticket
Paul Bakker335db3f2011-04-25 15:28:35 +00001798 #18)
1799
Paul Bakker9d781402011-05-09 16:17:09 +00001800= Version 0.99-pre5 released on 2011-05-26
1801Features
Paul Bakker2f5947e2011-05-18 15:47:11 +00001802 * Added additional Cipher Block Modes to symmetric ciphers
1803 (AES CTR, Camellia CTR, XTEA CBC) including the option to
Paul Bakker1496d382011-05-23 12:07:29 +00001804 enable and disable individual modes when needed
Paul Bakkerb6ecaf52011-04-19 14:29:23 +00001805 * Functions requiring File System functions can now be disabled
Paul Bakker23986e52011-04-24 08:57:21 +00001806 by undefining POLARSSL_FS_IO
1807 * A error_strerror function() has been added to translate between
1808 error codes and their description.
Paul Bakkera35aa542013-03-06 17:06:21 +01001809 * Added mpi_get_bit() and mpi_set_bit() individual bit setter/getter
1810 functions.
Paul Bakker6c591fa2011-05-05 11:49:20 +00001811 * Added ssl_mail_client and ssl_fork_server as example programs.
1812
Paul Bakker9d781402011-05-09 16:17:09 +00001813Changes
1814 * Major argument / variable rewrite. Introduced use of size_t
Paul Bakkera35aa542013-03-06 17:06:21 +01001815 instead of int for buffer lengths and loop variables for
Paul Bakker831a7552011-05-18 13:32:51 +00001816 better unsigned / signed use. Renamed internal bigint types
1817 t_int and t_dbl to t_uint and t_udbl in the process
Paul Bakkera35aa542013-03-06 17:06:21 +01001818 * mpi_init() and mpi_free() now only accept a single MPI
1819 argument and do not accept variable argument lists anymore.
1820 * The error codes have been remapped and combining error codes
1821 is now done with a PLUS instead of an OR as error codes
Paul Bakker831a7552011-05-18 13:32:51 +00001822 used are negative.
1823 * Changed behaviour of net_read(), ssl_fetch_input() and ssl_recv().
Paul Bakkera35aa542013-03-06 17:06:21 +01001824 net_recv() now returns 0 on EOF instead of
Paul Bakker23986e52011-04-24 08:57:21 +00001825 POLARSSL_ERR_NET_CONN_RESET. ssl_fetch_input() returns
Paul Bakker3efa5752011-04-01 12:23:26 +00001826 POLARSSL_ERR_SSL_CONN_EOF on an EOF from its f_recv() function.
Paul Bakker9dcc3222011-03-08 14:16:06 +00001827 ssl_read() returns 0 if a POLARSSL_ERR_SSL_CONN_EOF is received
1828 after the handshake.
1829 * Network functions now return POLARSSL_ERR_NET_WANT_READ or
Paul Bakkere77db2e2011-03-25 14:01:32 +00001830 POLARSSL_ERR_NET_WANT_WRITE instead of the ambiguous
1831 POLARSSL_ERR_NET_TRY_AGAIN
Paul Bakker287781a2011-03-26 13:18:49 +00001832
1833= Version 0.99-pre4 released on 2011-04-01
Paul Bakker9dcc3222011-03-08 14:16:06 +00001834Features
Paul Bakkerbe4e7dc2011-03-14 20:41:31 +00001835 * Added support for PKCS#1 v2.1 encoding and thus support
1836 for the RSAES-OAEP and RSASSA-PSS operations.
1837 * Reading of Public Key files incorporated into default x509
Paul Bakker98675492011-03-26 13:17:12 +00001838 functionality as well.
1839 * Added mpi_fill_random() for centralized filling of big numbers
Paul Bakkera35aa542013-03-06 17:06:21 +01001840 with random data (Fixed ticket #10)
Paul Bakkerbe4e7dc2011-03-14 20:41:31 +00001841
1842Changes
1843 * Debug print of MPI now removes leading zero octets and
1844 displays actual bit size of the value.
Paul Bakkera35aa542013-03-06 17:06:21 +01001845 * x509parse_key() (and as a consequence x509parse_keyfile())
Paul Bakker1fd00bf2011-03-14 20:50:15 +00001846 does not zeroize memory in advance anymore. Use rsa_init()
1847 before parsing a key or keyfile!
Paul Bakkere77db2e2011-03-25 14:01:32 +00001848
1849Bugfix
Paul Bakkerbe4e7dc2011-03-14 20:41:31 +00001850 * Debug output of MPI's now the same independent of underlying
Paul Bakker345a6fe2011-02-28 21:20:02 +00001851 platform (32-bit / 64-bit) (Fixes ticket #19, found by Mads
1852 Kiilerich and Mihai Militaru)
Paul Bakker96743fc2011-02-12 14:30:57 +00001853 * Fixed bug in ssl_write() when flushing old data (Fixed ticket
1854 #18, found by Nikolay Epifanov)
1855 * Fixed proper handling of RSASSA-PSS verification with variable
Paul Bakkera9507c02011-02-12 15:27:28 +00001856 length salt lengths
1857
Paul Bakker96743fc2011-02-12 14:30:57 +00001858= Version 0.99-pre3 released on 2011-02-28
1859This release replaces version 0.99-pre2 which had possible copyright issues.
1860Features
1861 * Parsing PEM private keys encrypted with DES and AES
Paul Bakkera35aa542013-03-06 17:06:21 +01001862 are now supported as well (Fixes ticket #5)
Paul Bakker96743fc2011-02-12 14:30:57 +00001863 * Added crl_app program to allow easy reading and
Paul Bakker400ff6f2011-02-20 10:40:16 +00001864 printing of X509 CRLs from file
1865
1866Changes
1867 * Parsing of PEM files moved to separate module (Fixes
Paul Bakkere2a39cc2011-02-20 13:49:27 +00001868 ticket #13). Also possible to remove PEM support for
Paul Bakker400ff6f2011-02-20 10:40:16 +00001869 systems only using DER encoding
Paul Bakkere2a39cc2011-02-20 13:49:27 +00001870
Paul Bakker400ff6f2011-02-20 10:40:16 +00001871Bugfixes
Paul Bakkere2a39cc2011-02-20 13:49:27 +00001872 * Corrected parsing of UTCTime dates before 1990 and
1873 after 1950
Paul Bakkera35aa542013-03-06 17:06:21 +01001874 * Support more exotic OID's when parsing certificates
Paul Bakker400ff6f2011-02-20 10:40:16 +00001875 (found by Mads Kiilerich)
Paul Bakker345a6fe2011-02-28 21:20:02 +00001876 * Support more exotic name representations when parsing
1877 certificates (found by Mads Kiilerich)
1878 * Replaced the expired test certificates
Paul Bakkera35aa542013-03-06 17:06:21 +01001879 * Do not bail out if no client certificate specified. Try
Paul Bakker345a6fe2011-02-28 21:20:02 +00001880 to negotiate anonymous connection (Fixes ticket #12,
Paul Bakker9fc46592011-01-30 16:59:02 +00001881 found by Boris Krasnovskiy)
Paul Bakker37ca75d2011-01-06 12:28:03 +00001882
Paul Bakkerb63b0af2011-01-13 17:54:59 +00001883Security fixes
1884 * Fixed a possible Man-in-the-Middle attack on the
Paul Bakker1b57b062011-01-06 15:48:19 +00001885 Diffie Hellman key exchange (thanks to Larry Highsmith,
Paul Bakker74111d32011-01-15 16:57:55 +00001886 Subreption LLC)
Paul Bakker76fd75a2011-01-16 21:12:10 +00001887
1888= Version 0.99-pre1 released on 2011-01-30
1889Features
Paul Bakker1f87fb62011-01-15 17:32:24 +00001890Note: Most of these features have been donated by Fox-IT
Paul Bakker72f62662011-01-16 21:27:44 +00001891 * Added Doxygen source code documentation parts
1892 * Added reading of DHM context from memory and file
1893 * Improved X509 certificate parsing to include extended
1894 certificate fields, including Key Usage
1895 * Improved certificate verification and verification
1896 against the available CRLs
1897 * Detection for DES weak keys and parity bits added
Paul Bakker20a78082011-01-21 09:32:12 +00001898 * Improvements to support integration in other
Paul Bakker43b7e352011-01-18 15:27:19 +00001899 applications:
1900 + Added generic message digest and cipher wrapper
Paul Bakker37ca75d2011-01-06 12:28:03 +00001901 + Improved information about current capabilities,
Paul Bakkerb6194992011-01-16 21:40:22 +00001902 status, objects and configuration
1903 + Added verification callback on certificate chain
1904 verification to allow external blacklisting
Paul Bakkere3166ce2011-01-27 17:40:50 +00001905 + Additional example programs to show usage
1906 * Added support for PKCS#11 through the use of the
Paul Bakkera35aa542013-03-06 17:06:21 +01001907 libpkcs11-helper library
1908
1909Changes
Paul Bakkerb6194992011-01-16 21:40:22 +00001910 * x509parse_time_expired() checks time in addition to
Paul Bakker99ed6782011-01-05 14:48:42 +00001911 the existing date check
1912 * The ciphers member of ssl_context and the cipher member
1913 of ssl_session have been renamed to ciphersuites and
1914 ciphersuite respectively. This clarifies the difference
1915 with the generic cipher layer and is better naming
1916 altogether
1917
1918= Version 0.14.0 released on 2010-08-16
1919Features
1920 * Added support for SSL_EDH_RSA_AES_128_SHA and
1921 SSL_EDH_RSA_CAMELLIA_128_SHA ciphersuites
1922 * Added compile-time and run-time version information
Paul Bakkera35aa542013-03-06 17:06:21 +01001923 * Expanded ssl_client2 arguments for more flexibility
1924 * Added support for TLS v1.1
Paul Bakker99ed6782011-01-05 14:48:42 +00001925
1926Changes
1927 * Made Makefile cleaner
1928 * Removed dependency on rand() in rsa_pkcs1_encrypt().
1929 Now using random fuction provided to function and
1930 changed the prototype of rsa_pkcs1_encrypt(),
1931 rsa_init() and rsa_gen_key().
1932 * Some SSL defines were renamed in order to avoid
1933 future confusion
1934
1935Bug fixes
1936 * Fixed CMake out of source build for tests (found by
1937 kkert)
1938 * rsa_check_private() now supports PKCS1v2 keys as well
1939 * Fixed deadlock in rsa_pkcs1_encrypt() on failing random
1940 generator
1941
1942= Version 0.13.1 released on 2010-03-24
1943Bug fixes
1944 * Fixed Makefile in library that was mistakenly merged
1945 * Added missing const string fixes
1946
1947= Version 0.13.0 released on 2010-03-21
1948Features
1949 * Added option parsing for host and port selection to
1950 ssl_client2
1951 * Added support for GeneralizedTime in X509 parsing
1952 * Added cert_app program to allow easy reading and
1953 printing of X509 certificates from file or SSL
1954 connection.
Paul Bakker60b1d102013-10-29 10:02:51 +01001955
Paul Bakker99ed6782011-01-05 14:48:42 +00001956Changes
1957 * Added const correctness for main code base
1958 * X509 signature algorithm determination is now
1959 in a function to allow easy future expansion
1960 * Changed symmetric cipher functions to
1961 identical interface (returning int result values)
1962 * Changed ARC4 to use separate input/output buffer
1963 * Added reset function for HMAC context as speed-up
1964 for specific use-cases
1965
1966Bug fixes
1967 * Fixed bug resulting in failure to send the last
1968 certificate in the chain in ssl_write_certificate() and
1969 ssl_write_certificate_request() (found by fatbob)
1970 * Added small fixes for compiler warnings on a Mac
1971 (found by Frank de Brabander)
1972 * Fixed algorithmic bug in mpi_is_prime() (found by
1973 Smbat Tonoyan)
1974
1975= Version 0.12.1 released on 2009-10-04
1976Changes
1977 * Coverage test definitions now support 'depends_on'
1978 tagging system.
1979 * Tests requiring specific hashing algorithms now honor
1980 the defines.
1981
1982Bug fixes
1983 * Changed typo in #ifdef in x509parse.c (found
1984 by Eduardo)
1985
1986= Version 0.12.0 released on 2009-07-28
1987Features
1988 * Added CMake makefiles as alternative to regular Makefiles.
1989 * Added preliminary Code Coverage tests for AES, ARC4,
1990 Base64, MPI, SHA-family, MD-family, HMAC-SHA-family,
1991 Camellia, DES, 3-DES, RSA PKCS#1, XTEA, Diffie-Hellman
1992 and X509parse.
1993
1994Changes
1995 * Error codes are not (necessarily) negative. Keep
1996 this is mind when checking for errors.
1997 * RSA_RAW renamed to SIG_RSA_RAW for consistency.
1998 * Fixed typo in name of POLARSSL_ERR_RSA_OUTPUT_TOO_LARGE.
1999 * Changed interface for AES and Camellia setkey functions
2000 to indicate invalid key lengths.
2001
2002Bug fixes
2003 * Fixed include location of endian.h on FreeBSD (found by
2004 Gabriel)
2005 * Fixed include location of endian.h and name clash on
2006 Apples (found by Martin van Hensbergen)
2007 * Fixed HMAC-MD2 by modifying md2_starts(), so that the
2008 required HMAC ipad and opad variables are not cleared.
2009 (found by code coverage tests)
2010 * Prevented use of long long in bignum if
2011 POLARSSL_HAVE_LONGLONG not defined (found by Giles
2012 Bathgate).
2013 * Fixed incorrect handling of negative strings in
2014 mpi_read_string() (found by code coverage tests).
2015 * Fixed segfault on handling empty rsa_context in
2016 rsa_check_pubkey() and rsa_check_privkey() (found by
2017 code coverage tests).
2018 * Fixed incorrect handling of one single negative input
2019 value in mpi_add_abs() (found by code coverage tests).
2020 * Fixed incorrect handling of negative first input
2021 value in mpi_sub_abs() (found by code coverage tests).
2022 * Fixed incorrect handling of negative first input
2023 value in mpi_mod_mpi() and mpi_mod_int(). Resulting
2024 change also affects mpi_write_string() (found by code
2025 coverage tests).
2026 * Corrected is_prime() results for 0, 1 and 2 (found by
2027 code coverage tests).
2028 * Fixed Camellia and XTEA for 64-bit Windows systems.
2029
2030= Version 0.11.1 released on 2009-05-17
2031 * Fixed missing functionality for SHA-224, SHA-256, SHA384,
2032 SHA-512 in rsa_pkcs1_sign()
2033
2034= Version 0.11.0 released on 2009-05-03
2035 * Fixed a bug in mpi_gcd() so that it also works when both
2036 input numbers are even and added testcases to check
2037 (found by Pierre Habouzit).
2038 * Added support for SHA-224, SHA-256, SHA-384 and SHA-512
2039 one way hash functions with the PKCS#1 v1.5 signing and
2040 verification.
2041 * Fixed minor bug regarding mpi_gcd located within the
2042 POLARSSL_GENPRIME block.
2043 * Fixed minor memory leak in x509parse_crt() and added better
2044 handling of 'full' certificate chains (found by Mathias
2045 Olsson).
2046 * Centralized file opening and reading for x509 files into
2047 load_file()
2048 * Made definition of net_htons() endian-clean for big endian
2049 systems (Found by Gernot).
2050 * Undefining POLARSSL_HAVE_ASM now also handles prevents asm in
2051 padlock and timing code.
2052 * Fixed an off-by-one buffer allocation in ssl_set_hostname()
2053 responsible for crashes and unwanted behaviour.
2054 * Added support for Certificate Revocation List (CRL) parsing.
2055 * Added support for CRL revocation to x509parse_verify() and
2056 SSL/TLS code.
2057 * Fixed compatibility of XTEA and Camellia on a 64-bit system
2058 (found by Felix von Leitner).
2059
2060= Version 0.10.0 released on 2009-01-12
2061 * Migrated XySSL to PolarSSL
2062 * Added XTEA symmetric cipher
2063 * Added Camellia symmetric cipher
2064 * Added support for ciphersuites: SSL_RSA_CAMELLIA_128_SHA,
2065 SSL_RSA_CAMELLIA_256_SHA and SSL_EDH_RSA_CAMELLIA_256_SHA
2066 * Fixed dangerous bug that can cause a heap overflow in
2067 rsa_pkcs1_decrypt (found by Christophe Devine)
2068
2069================================================================
2070XySSL ChangeLog
2071
2072= Version 0.9 released on 2008-03-16
2073
2074 * Added support for ciphersuite: SSL_RSA_AES_128_SHA
2075 * Enabled support for large files by default in aescrypt2.c
2076 * Preliminary openssl wrapper contributed by David Barrett
2077 * Fixed a bug in ssl_write() that caused the same payload to
2078 be sent twice in non-blocking mode when send returns EAGAIN
2079 * Fixed ssl_parse_client_hello(): session id and challenge must
2080 not be swapped in the SSLv2 ClientHello (found by Greg Robson)
2081 * Added user-defined callback debug function (Krystian Kolodziej)
2082 * Before freeing a certificate, properly zero out all cert. data
2083 * Fixed the "mode" parameter so that encryption/decryption are
2084 not swapped on PadLock; also fixed compilation on older versions
2085 of gcc (bug reported by David Barrett)
2086 * Correctly handle the case in padlock_xcryptcbc() when input or
2087 ouput data is non-aligned by falling back to the software
2088 implementation, as VIA Nehemiah cannot handle non-aligned buffers
2089 * Fixed a memory leak in x509parse_crt() which was reported by Greg
2090 Robson-Garth; some x509write.c fixes by Pascal Vizeli, thanks to
2091 Matthew Page who reported several bugs
2092 * Fixed x509_get_ext() to accept some rare certificates which have
2093 an INTEGER instead of a BOOLEAN for BasicConstraints::cA.
2094 * Added support on the client side for the TLS "hostname" extension
2095 (patch contributed by David Patino)
2096 * Make x509parse_verify() return BADCERT_CN_MISMATCH when an empty
2097 string is passed as the CN (bug reported by spoofy)
2098 * Added an option to enable/disable the BN assembly code
2099 * Updated rsa_check_privkey() to verify that (D*E) = 1 % (P-1)*(Q-1)
2100 * Disabled obsolete hash functions by default (MD2, MD4); updated
2101 selftest and benchmark to not test ciphers that have been disabled
2102 * Updated x509parse_cert_info() to correctly display byte 0 of the
2103 serial number, setup correct server port in the ssl client example
2104 * Fixed a critical denial-of-service with X.509 cert. verification:
2105 peer may cause xyssl to loop indefinitely by sending a certificate
2106 for which the RSA signature check fails (bug reported by Benoit)
2107 * Added test vectors for: AES-CBC, AES-CFB, DES-CBC and 3DES-CBC,
2108 HMAC-MD5, HMAC-SHA1, HMAC-SHA-256, HMAC-SHA-384, and HMAC-SHA-512
2109 * Fixed HMAC-SHA-384 and HMAC-SHA-512 (thanks to Josh Sinykin)
2110 * Modified ssl_parse_client_key_exchange() to protect against
2111 Daniel Bleichenbacher attack on PKCS#1 v1.5 padding, as well
2112 as the Klima-Pokorny-Rosa extension of Bleichenbacher's attack
2113 * Updated rsa_gen_key() so that ctx->N is always nbits in size
2114 * Fixed assembly PPC compilation errors on Mac OS X, thanks to
2115 David Barrett and Dusan Semen
2116
2117= Version 0.8 released on 2007-10-20
2118
2119 * Modified the HMAC functions to handle keys larger
2120 than 64 bytes, thanks to Stephane Desneux and gary ng
2121 * Fixed ssl_read_record() to properly update the handshake
2122 message digests, which fixes IE6/IE7 client authentication
2123 * Cleaned up the XYSSL* #defines, suggested by Azriel Fasten
2124 * Fixed net_recv(), thanks to Lorenz Schori and Egon Kocjan
2125 * Added user-defined callbacks for handling I/O and sessions
2126 * Added lots of debugging output in the SSL/TLS functions
2127 * Added preliminary X.509 cert. writing by Pascal Vizeli
2128 * Added preliminary support for the VIA PadLock routines
2129 * Added AES-CFB mode of operation, contributed by chmike
2130 * Added an SSL/TLS stress testing program (ssl_test.c)
2131 * Updated the RSA PKCS#1 code to allow choosing between
2132 RSA_PUBLIC and RSA_PRIVATE, as suggested by David Barrett
2133 * Updated ssl_read() to skip 0-length records from OpenSSL
2134 * Fixed the make install target to comply with *BSD make
2135 * Fixed a bug in mpi_read_binary() on 64-bit platforms
2136 * mpi_is_prime() speedups, thanks to Kevin McLaughlin
2137 * Fixed a long standing memory leak in mpi_is_prime()
2138 * Replaced realloc with malloc in mpi_grow(), and set
2139 the sign of zero as positive in mpi_init() (reported
2140 by Jonathan M. McCune)
2141
2142= Version 0.7 released on 2007-07-07
2143
2144 * Added support for the MicroBlaze soft-core processor
2145 * Fixed a bug in ssl_tls.c which sometimes prevented SSL
2146 connections from being established with non-blocking I/O
2147 * Fixed a couple bugs in the VS6 and UNIX Makefiles
2148 * Fixed the "PIC register ebx clobbered in asm" bug
2149 * Added HMAC starts/update/finish support functions
2150 * Added the SHA-224, SHA-384 and SHA-512 hash functions
2151 * Fixed the net_set_*block routines, thanks to Andreas
2152 * Added a few demonstration programs: md5sum, sha1sum,
2153 dh_client, dh_server, rsa_genkey, rsa_sign, rsa_verify
2154 * Added new bignum import and export helper functions
2155 * Rewrote README.txt in program/ssl/ca to better explain
2156 how to create a test PKI
2157
2158= Version 0.6 released on 2007-04-01
2159
2160 * Ciphers used in SSL/TLS can now be disabled at compile
2161 time, to reduce the memory footprint on embedded systems
2162 * Added multiply assembly code for the TriCore and modified
2163 havege_struct for this processor, thanks to David Patiño
2164 * Added multiply assembly code for 64-bit PowerPCs,
2165 thanks to Peking University and the OSU Open Source Lab
2166 * Added experimental support of Quantum Cryptography
2167 * Added support for autoconf, contributed by Arnaud Cornet
2168 * Fixed "long long" compilation issues on IA-64 and PPC64
2169 * Fixed a bug introduced in xyssl-0.5/timing.c: hardclock
2170 was not being correctly defined on ARM and MIPS
2171
2172= Version 0.5 released on 2007-03-01
2173
2174 * Added multiply assembly code for SPARC and Alpha
2175 * Added (beta) support for non-blocking I/O operations
2176 * Implemented session resuming and client authentication
2177 * Fixed some portability issues on WinCE, MINIX 3, Plan9
2178 (thanks to Benjamin Newman), HP-UX, FreeBSD and Solaris
2179 * Improved the performance of the EDH key exchange
2180 * Fixed a bug that caused valid packets with a payload
2181 size of 16384 bytes to be rejected
2182
2183= Version 0.4 released on 2007-02-01
2184
2185 * Added support for Ephemeral Diffie-Hellman key exchange
2186 * Added multiply asm code for SSE2, ARM, PPC, MIPS and M68K
2187 * Various improvement to the modular exponentiation code
2188 * Rewrote the headers to generate the API docs with doxygen
2189 * Fixed a bug in ssl_encrypt_buf (incorrect padding was
2190 generated) and in ssl_parse_client_hello (max. client
2191 version was not properly set), thanks to Didier Rebeix
2192 * Fixed another bug in ssl_parse_client_hello: clients with
2193 cipherlists larger than 96 bytes were incorrectly rejected
2194 * Fixed a couple memory leak in x509_read.c
Paul Bakker60b1d102013-10-29 10:02:51 +01002195
Paul Bakker99ed6782011-01-05 14:48:42 +00002196= Version 0.3 released on 2007-01-01
2197
2198 * Added server-side SSLv3 and TLSv1.0 support
2199 * Multiple fixes to enhance the compatibility with g++,
2200 thanks to Xosé Antón Otero Ferreira
2201 * Fixed a bug in the CBC code, thanks to dowst; also,
2202 the bignum code is no longer dependent on long long
2203 * Updated rsa_pkcs1_sign to handle arbitrary large inputs
2204 * Updated timing.c for improved compatibility with i386
2205 and 486 processors, thanks to Arnaud Cornet
2206
2207= Version 0.2 released on 2006-12-01
2208
2209 * Updated timing.c to support ARM and MIPS arch
2210 * Updated the MPI code to support 8086 on MSVC 1.5
2211 * Added the copyright notice at the top of havege.h
2212 * Fixed a bug in sha2_hmac, thanks to newsoft/Wenfang Zhang
2213 * Fixed a bug reported by Adrian Rüegsegger in x509_read_key
2214 * Fixed a bug reported by Torsten Lauter in ssl_read_record
2215 * Fixed a bug in rsa_check_privkey that would wrongly cause
2216 valid RSA keys to be dismissed (thanks to oldwolf)
2217 * Fixed a bug in mpi_is_prime that caused some primes to fail
2218 the Miller-Rabin primality test
Paul Bakker5121ce52009-01-03 21:22:43 +00002219
2220 I'd also like to thank Younès Hafri for the CRUX linux port,
2221 Khalil Petit who added XySSL into pkgsrc and Arnaud Cornet
2222 who maintains the Debian package :-)
2223
2224= Version 0.1 released on 2006-11-01
2225