blob: 4958da8a045fecf1efa6a922b11e9a24f32ff581 [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
Manuel Pégourié-Gonnard88bdb0b2015-03-10 14:02:33 +00003= PolarSSL 2.0 branch
Paul Bakker9c5898f2015-02-16 16:18:33 +01004
Manuel Pégourié-Gonnardf4acfe12014-09-17 10:56:54 +02005Features
Manuel Pégourié-Gonnard4d7fbbf2014-10-15 15:40:55 +02006 * Support for DTLS 1.0 and 1.2 (RFC 6347).
Manuel Pégourié-Gonnard427b6722015-03-31 18:32:50 +02007 * Ability to override xxx_process() function from a md/sha module with
8 custom implementation (eg hardware accelerated), complementing the ability
9 to override the whole module.
Manuel Pégourié-Gonnard4d7fbbf2014-10-15 15:40:55 +020010
Manuel Pégourié-Gonnardf4acfe12014-09-17 10:56:54 +020011API Changes
Manuel Pégourié-Gonnarddfdcac92015-03-31 11:41:42 +020012 * ecdsa_write_signature() gained an addtional md_alg argument and
13 ecdsa_write_signature_det() was deprecated.
Manuel Pégourié-Gonnardb8cfe3f2015-03-31 11:04:45 +020014 * pk_sign() no longer accepts md_alg == POLARSSL_MD_NONE with ECDSA.
Manuel Pégourié-Gonnard1d0ca1a2015-03-27 16:50:00 +010015 * Last argument of x509_crt_check_key_usage() changed from int to unsigned.
Manuel Pégourié-Gonnarda958d692015-03-27 10:23:53 +010016 * test_ca_list (from certs.h) is renamed to test_cas_pem and is only
17 available if POLARSSL_PEM_PARSE_C is defined (it never worked without).
18 * Test certificates in certs.c are no longer guaranteed to be nul-terminated
Manuel Pégourié-Gonnard75f90102015-03-27 09:56:18 +010019 strings; use the new *_len variables instead of strlen().
Manuel Pégourié-Gonnard4da88c52015-03-24 18:23:20 +010020 * Removed individual mdX_hmac and shaX_hmac functions (use generic
21 md_hmac functions from md.h)
Manuel Pégourié-Gonnardfa8aebc2015-03-19 12:47:21 +000022 * Some constness fixes
Manuel Pégourié-Gonnard35f1d7f2015-03-19 12:42:40 +000023 * Signature of mpi_mul_mpi() changed to make the last argument unsigned
Manuel Pégourié-Gonnardb6b16bd2015-03-11 11:20:43 +000024 * Remove the PBKDF2 module (use PKCS5).
Manuel Pégourié-Gonnardf9c13872015-03-11 10:59:38 +000025 * Remove POLARSSL_ERROR_STRERROR_BC (use mbedtls_strerror()).
Manuel Pégourié-Gonnard88bdb0b2015-03-10 14:02:33 +000026 * Headers are now found in the 'mbedtls' directory (previously 'polarssl').
27 * Change SSL_DISABLE_RENEGOTIATION config.h flag to SSL_RENEGOTIATION
28 (support for renegotiation now needs explicit enabling in config.h).
29 * Remove compat-1.2.h (helper for migrating from 1.2 to 1.3).
30 * Remove openssl.h (very partial OpenSSL compatibility layer).
Manuel Pégourié-Gonnardf4acfe12014-09-17 10:56:54 +020031 * net_connect() and net_bind() have a new 'proto' argument to choose
32 between TCP and UDP, using the macros NET_PROTO_TCP or NET_PROTO_UDP.
Manuel Pégourié-Gonnarde6bdc442014-09-17 11:34:57 +020033 * ssl_set_bio() now requires that p_send == p_recv.
Manuel Pégourié-Gonnard1022fed2015-03-27 16:30:47 +010034
35New deprecations
36 * md_init_ctx() is deprecated in favour of md_setup(), that adds a third
37 argument (allowing memory savings if HMAC is not used)
Manuel Pégourié-Gonnardef88e682014-10-15 15:35:32 +020038 * ssl_set_bio() is deprecated in favor of ssl_set_bio_timeout().
Manuel Pégourié-Gonnardf4acfe12014-09-17 10:56:54 +020039
Manuel Pégourié-Gonnard1022fed2015-03-27 16:30:47 +010040Semi-API changes (technically public, morally private)
Manuel Pégourié-Gonnardc89d6cf2015-03-31 14:43:19 +020041 * Changed md_info_t into an opaque structure (use md_get_xxx() accessors).
42 * Changed pk_info_t into an opaque structure.
Manuel Pégourié-Gonnard1022fed2015-03-27 16:30:47 +010043 * Remove sig_oid2 and rename sig_oid1 to sig_oid in x509_crt and x509_crl.
Manuel Pégourié-Gonnard1d0ca1a2015-03-27 16:50:00 +010044 * x509_crt.key_usage changed from unsigned char to unsigned int.
Manuel Pégourié-Gonnard8fce9372015-03-31 13:06:41 +020045 * Remove r and s from ecdsa_context
Manuel Pégourié-Gonnard1022fed2015-03-27 16:30:47 +010046
Manuel Pégourié-Gonnard606df8c2015-03-27 17:13:17 +010047Default behavior changes
Manuel Pégourié-Gonnard8c8be1e2015-03-31 14:21:11 +020048 * The default minimum TLS version is now TLS 1.0.
Manuel Pégourié-Gonnard606df8c2015-03-27 17:13:17 +010049 * RC4 is now blacklisted by default in the SSL/TLS layer, and excluded from the
50 default ciphersuite list returned by ssl_list_ciphersuites()
Manuel Pégourié-Gonnard88bdb0b2015-03-10 14:02:33 +000051 * Support for receiving SSLv2 ClientHello is now disabled by default at
52 compile time.
Manuel Pégourié-Gonnardfa44f202015-03-27 17:52:25 +010053 * The default authmode for SSL/TLS clients is now REQUIRED.
Manuel Pégourié-Gonnard348bcb32015-03-31 14:01:33 +020054 * Support for RSA_ALT contexts in the PK layer is now optional. Since is is
55 enabled in the default configuration, this is only noticeable if using a
56 custom config.h
Manuel Pégourié-Gonnard606df8c2015-03-27 17:13:17 +010057
58Changes
Manuel Pégourié-Gonnardc4dfacc2015-03-20 17:39:25 +000059 * Remove test program o_p_test, the script compat.sh does more.
60 * Remove test program ssl_test, superseded by ssl-opt.sh.
Manuel Pégourié-Gonnard4b378c92015-03-20 18:29:40 +000061 * Remove helper script active-config.pl
Manuel Pégourié-Gonnard88bdb0b2015-03-10 14:02:33 +000062
Manuel Pégourié-Gonnard7bf19762015-02-10 10:09:37 +000063= mbed TLS 1.3 branch
64
65Security
66
67Features
Manuel Pégourié-Gonnard39ead3e2015-03-27 13:09:21 +010068 * Add support for bit strings in X.509 names (request by Fredrik Axelsson).
69 * Add support for id-at-uniqueIdentifier in X.509 names.
Manuel Pégourié-Gonnard00c22012015-02-13 15:14:10 +000070 * Add support for overriding snprintf() (except on Windows) and exit() in
71 the platform layer.
72 * Add an option to use macros instead of function pointers in the platform
73 layer (helps get rid of unwanted references).
Manuel Pégourié-Gonnardea0184b2015-02-16 15:42:16 +000074 * Improved Makefiles for Windows targets by fixing library targets and making
75 cross-compilation easier (thanks to Alon Bar-Lev).
Manuel Pégourié-Gonnardad350ed2015-02-16 17:45:35 +000076 * The benchmark program also prints heap usage for public-key primitives
77 if POLARSSL_MEMORY_BUFFER_ALLOC_C and POLARSSL_MEMORY_DEBUG are defined.
78 * New script ecc-heap.sh helps measuring the impact of ECC parameters on
79 speed and RAM (heap only for now) usage.
80 * New script memory.sh helps measuring the ROM and RAM requirements of two
81 reduced configurations (PSK-CCM and NSA suite B).
Manuel Pégourié-Gonnardf7dbedb2015-03-23 14:20:04 +010082 * Add config flags POLARSSL_DEPRECATED_WARNING (off by default) to produce
83 warnings on use of deprecated functions (with GCC and Clang only).
84 * Add config flags POLARSSL_DEPRECATED_REMOVED (off by default) to produce
85 errors on use of deprecated functions.
Manuel Pégourié-Gonnard7bf19762015-02-10 10:09:37 +000086
87Bugfix
Manuel Pégourié-Gonnardcf201202015-04-02 10:46:55 +010088 * Fix bug in Via Padlock support (found by Nikos Mavrogiannopoulos).
Manuel Pégourié-Gonnard88fca3e2015-03-27 15:06:07 +010089 * Fix thread safety bug in RSA operations (found by Fredrik Axelsson).
Manuel Pégourié-Gonnard38433532015-02-11 11:35:58 +000090 * Fix hardclock() (only used in the benchmarking program) with some
91 versions of mingw64 (found by kxjhlele).
Manuel Pégourié-Gonnarddda52132015-02-11 11:36:31 +000092 * Fix warnings from mingw64 in timing.c (found by kxjklele).
Manuel Pégourié-Gonnard6fdc4ca2015-02-13 17:15:18 +000093 * Fix potential unintended sign extension in asn1_get_len() on 64-bit
94 platforms.
Manuel Pégourié-Gonnarddf4e4402015-02-18 10:11:06 +000095 * Fix potential memory leak in ssl_set_psk() (found by Mansour Moufid).
Manuel Pégourié-Gonnard51bccd32015-03-10 16:09:08 +000096 * Fix compile error when POLARSSL_SSL_DISABLE_RENEGOTATION and
97 POLARSSL_SSL_SSESSION_TICKETS where both enabled in config.h (introduced
98 in 1.3.10).
Manuel Pégourié-Gonnard1a901472015-03-10 16:12:29 +000099 * Add missing extern "C" guard in aesni.h (reported by amir zamani).
Manuel Pégourié-Gonnard0878a0d2015-03-31 15:13:29 +0200100 * Add missing dependency on SHA-256 in some x509 programs (reported by
101 Gergely Budai).
Manuel Pégourié-Gonnard7bf19762015-02-10 10:09:37 +0000102
103Changes
Manuel Pégourié-Gonnard40f315a2015-03-13 13:49:26 +0000104 * Adjusting/overriding CFLAGS and LDFLAGS with the make build syste is now
105 more flexible (warning: OFLAGS is not used any more) (see the README)
106 (contributed by Alon Bar-Lev).
Manuel Pégourié-Gonnardf427f882015-03-10 15:35:29 +0000107 * ssl_set_own_cert() now longers calls pk_check_pair() since the
108 performance impact was bad for some users (this was introduced in 1.3.10).
Manuel Pégourié-Gonnard6f60cd82015-02-10 10:47:03 +0000109 * Move from SHA-1 to SHA-256 in example programs using signatures
110 (suggested by Thorsten Mühlfelder).
Manuel Pégourié-Gonnard677af932015-02-10 11:41:57 +0000111 * Remove some unneeded inclusions of header files from the standard library
112 "minimize" others (eg use stddef.h if only size_t is needed).
113 * Change #include lines in test files to use double quotes instead of angle
114 brackets for uniformity with the rest of the code.
Manuel Pégourié-Gonnard00c22012015-02-13 15:14:10 +0000115 * Remove dependency on sscanf() in X.509 parsing modules.
Manuel Pégourié-Gonnard178f9d62014-10-20 14:56:56 +0200116
Paul Bakkerdaae3b72015-02-08 15:49:54 +0100117= mbed TLS 1.3.10 released 2015-02-09
Manuel Pégourié-Gonnard547ff662014-11-26 15:42:16 +0100118Security
119 * NULL pointer dereference in the buffer-based allocator when the buffer is
Manuel Pégourié-Gonnardee7d5992015-01-28 14:02:38 +0000120 full and polarssl_free() is called (found by Mark Hasemeyer)
Manuel Pégourié-Gonnard547ff662014-11-26 15:42:16 +0100121 (only possible if POLARSSL_MEMORY_BUFFER_ALLOC_C is enabled, which it is
122 not by default).
Manuel Pégourié-Gonnard0369a522014-11-11 22:17:26 +0100123 * Fix remotely-triggerable uninitialised pointer dereference caused by
Manuel Pégourié-Gonnardd6814432014-11-12 01:25:31 +0100124 crafted X.509 certificate (TLS server is not affected if it doesn't ask for a
Manuel Pégourié-Gonnard0369a522014-11-11 22:17:26 +0100125 client certificate) (found using Codenomicon Defensics).
Manuel Pégourié-Gonnardb1340602014-11-11 23:11:16 +0100126 * Fix remotely-triggerable memory leak caused by crafted X.509 certificates
Manuel Pégourié-Gonnardd6814432014-11-12 01:25:31 +0100127 (TLS server is not affected if it doesn't ask for a client certificate)
128 (found using Codenomicon Defensics).
129 * Fix potential stack overflow while parsing crafted X.509 certificates
130 (TLS server is not affected if it doesn't ask for a client certificate)
Manuel Pégourié-Gonnardb1340602014-11-11 23:11:16 +0100131 (found using Codenomicon Defensics).
Manuel Pégourié-Gonnard6674cce2015-02-06 10:30:58 +0000132 * Fix timing difference that could theoretically lead to a
133 Bleichenbacher-style attack in the RSA and RSA-PSK key exchanges
134 (reported by Sebastian Schinzel).
Manuel Pégourié-Gonnard0369a522014-11-11 22:17:26 +0100135
Manuel Pégourié-Gonnardde171252014-11-08 17:58:24 +0100136Features
Manuel Pégourié-Gonnardd1a878c2015-01-14 16:59:23 +0100137 * Add support for FALLBACK_SCSV (draft-ietf-tls-downgrade-scsv).
138 * Add support for Extended Master Secret (draft-ietf-tls-session-hash).
139 * Add support for Encrypt-then-MAC (RFC 7366).
Manuel Pégourié-Gonnardde171252014-11-08 17:58:24 +0100140 * Add function pk_check_pair() to test if public and private keys match.
Manuel Pégourié-Gonnard426d4ae2014-11-19 16:58:28 +0100141 * Add x509_crl_parse_der().
Manuel Pégourié-Gonnardfd6c85c2014-11-20 16:34:20 +0100142 * Add compile-time option POLARSSL_X509_MAX_INTERMEDIATE_CA to limit the
143 length of an X.509 verification chain.
Manuel Pégourié-Gonnardfa423882014-11-04 19:57:55 +0100144 * Support for renegotiation can now be disabled at compile-time
Manuel Pégourié-Gonnard3ff78232015-01-08 11:15:09 +0100145 * Support for 1/n-1 record splitting, a countermeasure against BEAST.
Manuel Pégourié-Gonnarddf331a52015-01-08 16:43:07 +0100146 * Certificate selection based on signature hash, prefering SHA-1 over SHA-2
147 for pre-1.2 clients when multiple certificates are available.
Manuel Pégourié-Gonnard18292452015-01-09 14:34:13 +0100148 * Add support for getrandom() syscall on recent Linux kernels with Glibc or
149 a compatible enough libc (eg uClibc).
Manuel Pégourié-Gonnardd1a878c2015-01-14 16:59:23 +0100150 * Add ssl_set_arc4_support() to make it easier to disable RC4 at runtime
Manuel Pégourié-Gonnardbd47a582015-01-12 13:43:29 +0100151 while using the default ciphersuite list.
Manuel Pégourié-Gonnard607d6632015-01-26 11:17:20 +0000152 * Added new error codes and debug messages about selection of
153 ciphersuite/certificate.
Manuel Pégourié-Gonnard547ff662014-11-26 15:42:16 +0100154
Manuel Pégourié-Gonnard5cb4b312014-11-25 17:41:50 +0100155Bugfix
156 * Stack buffer overflow if ctr_drbg_update() is called with too large
157 add_len (found by Jean-Philippe Aumasson) (not triggerable remotely).
Manuel Pégourié-Gonnard5dd28ea2014-11-27 13:57:42 +0100158 * Possible buffer overflow of length at most POLARSSL_MEMORY_ALIGN_MULTIPLE
159 if memory_buffer_alloc_init() was called with buf not aligned and len not
Manuel Pégourié-Gonnardd1a878c2015-01-14 16:59:23 +0100160 a multiple of POLARSSL_MEMORY_ALIGN_MULTIPLE (not triggerable remotely).
161 * User set CFLAGS were ignored by Cmake with gcc (introduced in 1.3.9, found
Manuel Pégourié-Gonnard54f6e562014-11-10 12:15:39 +0100162 by Julian Ospald).
Manuel Pégourié-Gonnardb31b61b2014-11-10 13:05:43 +0100163 * Fix potential undefined behaviour in Camellia.
Manuel Pégourié-Gonnarde9599792014-11-10 13:43:55 +0100164 * Fix potential failure in ECDSA signatures when POLARSSL_ECP_MAX_BITS is a
165 multiple of 8 (found by Gergely Budai).
Manuel Pégourié-Gonnardacdb9b92015-01-23 17:50:34 +0000166 * Fix unchecked return code in x509_crt_parse_path() on Windows (found by
167 Peter Vaskovic).
Manuel Pégourié-Gonnard9d7fc162015-01-19 17:16:54 +0000168 * Fix assembly selection for MIPS64 (thanks to James Cowgill).
Manuel Pégourié-Gonnarde89163c2015-01-23 14:30:57 +0000169 * ssl_get_verify_result() now works even if the handshake was aborted due
170 to a failed verification (found by Fredrik Axelsson).
Manuel Pégourié-Gonnardf3046ef2015-01-28 14:13:30 +0000171 * Skip writing and parsing signature_algorithm extension if none of the
172 key exchanges enabled needs certificates. This fixes a possible interop
173 issue with some servers when a zero-length extension was sent. (Reported
174 by Peter Dettman.)
Manuel Pégourié-Gonnardaa422b22015-02-02 09:30:45 +0000175 * On a 0-length input, base64_encode() did not correctly set output length
176 (found by Hendrik van den Boogaard).
Manuel Pégourié-Gonnard54f6e562014-11-10 12:15:39 +0100177
Manuel Pégourié-Gonnardd056ce02014-10-29 22:29:20 +0100178Changes
179 * Use deterministic nonces for AEAD ciphers in TLS by default (possible to
180 switch back to random with POLARSSL_SSL_AEAD_RANDOM_IV in config.h).
Manuel Pégourié-Gonnarde10e06d2014-11-06 18:15:12 +0100181 * Blind RSA private operations even when POLARSSL_RSA_NO_CRT is defined.
Manuel Pégourié-Gonnardde171252014-11-08 17:58:24 +0100182 * ssl_set_own_cert() now returns an error on key-certificate mismatch.
Manuel Pégourié-Gonnard8a5e3d42014-11-12 17:47:28 +0100183 * Forbid repeated extensions in X.509 certificates.
Manuel Pégourié-Gonnard8c9223d2014-11-19 10:17:21 +0100184 * debug_print_buf() now prints a text view in addition to hexadecimal.
Manuel Pégourié-Gonnardf01768c2015-01-08 17:06:16 +0100185 * A specific error is now returned when there are ciphersuites in common
186 but none of them is usable due to external factors such as no certificate
Paul Bakkere522d0f2015-01-14 16:12:48 +0100187 with a suitable (extended)KeyUsage or curve or no PSK set.
Manuel Pégourié-Gonnardd1a878c2015-01-14 16:59:23 +0100188 * It is now possible to disable negotiation of truncated HMAC server-side
Manuel Pégourié-Gonnarde117a8f2015-01-09 12:39:35 +0100189 at runtime with ssl_set_truncated_hmac().
Paul Bakker5b8f7ea2015-01-14 16:26:54 +0100190 * Example programs for SSL client and server now disable SSLv3 by default.
191 * Example programs for SSL client and server now disable RC4 by default.
Manuel Pégourié-Gonnardc9e04832015-01-19 16:24:23 +0000192 * Use platform.h in all test suites and programs.
Manuel Pégourié-Gonnard5cb4b312014-11-25 17:41:50 +0100193
Paul Bakker9eac4f72014-10-20 13:56:15 +0200194= PolarSSL 1.3.9 released 2014-10-20
Manuel Pégourié-Gonnard480905d2014-08-21 19:38:32 +0200195Security
196 * Lowest common hash was selected from signature_algorithms extension in
197 TLS 1.2 (found by Darren Bane) (introduced in 1.3.8).
Manuel Pégourié-Gonnard5d861852014-10-17 12:41:41 +0200198 * Remotely-triggerable memory leak when parsing some X.509 certificates
Paul Bakkerb082bb52014-10-20 13:37:51 +0200199 (server is not affected if it doesn't ask for a client certificate)
200 (found using Codenomicon Defensics).
Manuel Pégourié-Gonnard43c3b282014-10-17 12:42:11 +0200201 * Remotely-triggerable memory leak when parsing crafted ClientHello
Paul Bakkerb082bb52014-10-20 13:37:51 +0200202 (not affected if ECC support was compiled out) (found using Codenomicon
203 Defensics).
Manuel Pégourié-Gonnard480905d2014-08-21 19:38:32 +0200204
Paul Bakker8dcb2d72014-08-08 12:22:30 +0200205Bugfix
206 * Support escaping of commas in x509_string_to_names()
Manuel Pégourié-Gonnard955028f2014-07-12 01:27:34 +0200207 * Fix compile error in ssl_pthread_server (found by Julian Ospald).
Manuel Pégourié-Gonnard9a6b4422014-07-21 13:42:54 +0200208 * Fix net_accept() regarding non-blocking sockets (found by Luca Pesce).
Manuel Pégourié-Gonnard42cc6412014-07-21 13:55:54 +0200209 * Don't print uninitialised buffer in ssl_mail_client (found by Marc Abel).
Manuel Pégourié-Gonnard868c0ee2014-07-21 14:18:17 +0200210 * Fix warnings from Clang's scan-build (contributed by Alfred Klomp).
Manuel Pégourié-Gonnard462906f2014-07-21 17:37:01 +0200211 * Fix compile error in timing.c when POLARSSL_NET_C and POLARSSL_SELFTEST
212 are defined but not POLARSSL_HAVE_TIME (found by Stephane Di Vito).
Manuel Pégourié-Gonnarddca108e2014-07-21 18:15:22 +0200213 * Remove non-existent file from VS projects (found by Peter Vaskovic).
Manuel Pégourié-Gonnardf26a1e82014-08-19 12:28:50 +0200214 * ssl_read() could return non-application data records on server while
215 renegotation was pending, and on client when a HelloRequest was received.
Manuel Pégourié-Gonnardf07f4212014-08-15 19:04:47 +0200216 * Server-initiated renegotiation would fail with non-blocking I/O if the
217 write callback returned WANT_WRITE when requesting renegotiation.
Manuel Pégourié-Gonnarda13500f2014-08-19 16:14:04 +0200218 * ssl_close_notify() could send more than one message in some circumstances
219 with non-blocking I/O.
Sander Niemeijeref5087d2014-08-16 12:45:52 +0200220 * Fix compiler warnings on iOS (found by Sander Niemeijer).
Paul Bakker5a5fa922014-09-26 14:53:04 +0200221 * x509_crt_parse() did not increase total_failed on PEM error
Manuel Pégourié-Gonnard7f4ed672014-10-14 20:56:02 +0200222 * Fix compile error with armcc in mpi_is_prime()
Manuel Pégourié-Gonnardf7cdbc02014-10-17 17:02:10 +0200223 * Fix potential bad read in parsing ServerHello (found by Adrien
224 Vialletelle).
Paul Bakker8dcb2d72014-08-08 12:22:30 +0200225
Manuel Pégourié-Gonnard8d4ad072014-07-13 14:43:28 +0200226Changes
227 * Ciphersuites using SHA-256 or SHA-384 now require TLS 1.x (there is no
228 standard defining how to use SHA-2 with SSL 3.0).
Manuel Pégourié-Gonnarda04fa4f2014-07-13 16:16:44 +0200229 * Ciphersuites using RSA-PSK key exchange new require TLS 1.x (the spec is
230 ambiguous on how to encode some packets with SSL 3.0).
Manuel Pégourié-Gonnard192253a2014-07-21 16:37:15 +0200231 * Made buffer size in pk_write_(pub)key_pem() more dynamic, eg smaller if
232 RSA is disabled, larger if POLARSSL_MPI_MAX_SIZE is larger.
Manuel Pégourié-Gonnardf26a1e82014-08-19 12:28:50 +0200233 * ssl_read() now returns POLARSSL_ERR_NET_WANT_READ rather than
234 POLARSSL_ERR_SSL_UNEXPECTED_MESSAGE on harmless alerts.
Manuel Pégourié-Gonnardda1b4de2014-09-08 17:03:50 +0200235 * POLARSSL_MPI_MAX_SIZE now defaults to 1024 in order to allow 8192 bits
236 RSA keys.
Manuel Pégourié-Gonnard64938c62014-10-15 21:45:39 +0200237 * Accept spaces at end of line or end of buffer in base64_decode().
Manuel Pégourié-Gonnard5d861852014-10-17 12:41:41 +0200238 * X.509 certificates with more than one AttributeTypeAndValue per
239 RelativeDistinguishedName are not accepted any more.
Manuel Pégourié-Gonnard8d4ad072014-07-13 14:43:28 +0200240
Paul Bakker1910aa72014-07-11 11:28:56 +0200241= PolarSSL 1.3.8 released 2014-07-11
Manuel Pégourié-Gonnard0bcc4e12014-06-17 10:54:17 +0200242Security
243 * Fix length checking for AEAD ciphersuites (found by Codenomicon).
244 It was possible to crash the server (and client) using crafted messages
245 when a GCM suite was chosen.
246
Paul Bakkerc6ece492014-05-22 15:45:03 +0200247Features
248 * Add CCM module and cipher mode to Cipher Layer
249 * Support for CCM and CCM_8 ciphersuites
Manuel Pégourié-Gonnardb4798712014-06-06 18:10:44 +0200250 * Support for parsing and verifying RSASSA-PSS signatures in the X.509
251 modules (certificates, CRLs and CSRs).
Manuel Pégourié-Gonnard398c57b2014-06-23 12:10:59 +0200252 * Blowfish in the cipher layer now supports variable length keys.
Manuel Pégourié-Gonnard35795222014-06-24 17:33:54 +0200253 * Add example config.h for PSK with CCM, optimized for low RAM usage.
254 * Optimize for RAM usage in example config.h for NSA Suite B profile.
Manuel Pégourié-Gonnard01edb102014-06-24 22:42:34 +0200255 * Add POLARSSL_REMOVE_ARC4_CIPHERSUITES to allow removing RC4 ciphersuites
256 from the default list (inactive by default).
Paul Bakker23647b42014-07-04 15:00:12 +0200257 * Add server-side enforcement of sent renegotiation requests
258 (ssl_set_renegotiation_enforced())
Manuel Pégourié-Gonnarddfc7df02014-06-30 17:59:55 +0200259 * Add SSL_CIPHERSUITES config.h flag to allow specifying a list of
260 ciphersuites to use and save some memory if the list is small.
Paul Bakkerc6ece492014-05-22 15:45:03 +0200261
Paul Bakker863989b2014-06-12 21:49:01 +0200262Changes
263 * Add LINK_WITH_PTHREAD option in CMake for explicit linking that is
264 required on some platforms (e.g. OpenBSD)
Paul Bakker34617722014-06-13 17:20:13 +0200265 * Migrate zeroizing of data to polarssl_zeroize() instead of memset()
266 against unwanted compiler optimizations
Manuel Pégourié-Gonnardbd772542014-07-07 14:02:33 +0200267 * md_list() now returns hashes strongest first
Manuel Pégourié-Gonnard08e81e02014-07-08 12:56:25 +0200268 * Selection of hash for signing ServerKeyExchange in TLS 1.2 now picks
269 strongest offered by client.
Paul Bakker28476e22014-07-01 15:59:04 +0200270 * All public contexts have _init() and _free() functions now for simpler
271 usage pattern
Paul Bakker863989b2014-06-12 21:49:01 +0200272
Paul Bakker5593f7c2014-05-06 10:29:28 +0200273Bugfix
274 * Fix in debug_print_msg()
Paul Bakker1ebc0c52014-05-22 15:47:58 +0200275 * Enforce alignment in the buffer allocator even if buffer is not aligned
Paul Bakkerdff31392014-05-22 15:06:41 +0200276 * Remove less-than-zero checks on unsigned numbers
Paul Bakker0f651c72014-05-22 15:12:19 +0200277 * Stricter check on SSL ClientHello internal sizes compared to actual packet
278 size (found by TrustInSoft)
Paul Bakker49033ba2014-06-12 21:46:13 +0200279 * Fix WSAStartup() return value check (found by Peter Vaskovic)
280 * Other minor issues (found by Peter Vaskovic)
281 * Fix symlink command for cross compiling with CMake (found by Andre
282 Heinecke)
Paul Bakker3c38f292014-06-13 17:37:46 +0200283 * Fix DER output of gen_key app (found by Gergely Budai)
Manuel Pégourié-Gonnard08485cc2014-06-18 23:11:34 +0200284 * Very small records were incorrectly rejected when truncated HMAC was in
Manuel Pégourié-Gonnardeaa76f72014-06-18 16:06:02 +0200285 use with some ciphersuites and versions (RC4 in all versions, CBC with
286 versions < TLS 1.1).
Manuel Pégourié-Gonnard08485cc2014-06-18 23:11:34 +0200287 * Very large records using more than 224 bytes of padding were incorrectly
288 rejected with CBC-based ciphersuites and TLS >= 1.1
289 * Very large records using less padding could cause a buffer overread of up
290 to 32 bytes with CBC-based ciphersuites and TLS >= 1.1
Manuel Pégourié-Gonnardc4eff162014-06-19 12:18:08 +0200291 * Restore ability to use a v1 cert as a CA if trusted locally. (This had
292 been removed in 1.3.6.)
Manuel Pégourié-Gonnardd249b7a2014-06-24 11:49:16 +0200293 * Restore ability to locally trust a self-signed cert that is not a proper
294 CA for use as an end entity certificate. (This had been removed in
295 1.3.6.)
Barry K. Nathan35e7cb92014-05-05 23:26:13 -0700296 * Fix preprocessor checks for bn_mul PPC asm (found by Barry K. Nathan).
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200297 * Use \n\t rather than semicolons for bn_mul asm, since some assemblers
298 interpret semicolons as comment delimiters (found by Barry K. Nathan).
Manuel Pégourié-Gonnardfd35af12014-06-23 14:10:13 +0200299 * Fix off-by-one error in parsing Supported Point Format extension that
300 caused some handshakes to fail.
Manuel Pégourié-Gonnard8df68632014-06-23 17:56:08 +0200301 * Fix possible miscomputation of the premaster secret with DHE-PSK key
302 exchange that caused some handshakes to fail with other implementations.
303 (Failure rate <= 1/255 with common DHM moduli.)
Manuel Pégourié-Gonnard31357252014-06-24 17:57:57 +0200304 * Disable broken Sparc64 bn_mul assembly (found by Florian Obser).
Paul Bakkerd5983182014-07-04 13:50:31 +0200305 * Fix base64_decode() to return and check length correctly (in case of
306 tight buffers)
Paul Bakker6c343d72014-07-10 14:36:19 +0200307 * Fix mpi_write_string() to write "00" as hex output for empty MPI (found
308 by Hui Dong)
Paul Bakker5593f7c2014-05-06 10:29:28 +0200309
Paul Bakker47431b62014-05-02 13:27:13 +0200310= PolarSSL 1.3.7 released on 2014-05-02
Paul Bakkereaebbd52014-04-25 15:04:14 +0200311Features
Paul Bakkerc73079a2014-04-25 16:34:30 +0200312 * debug_set_log_mode() added to determine raw or full logging
313 * debug_set_threshold() added to ignore messages over threshold level
Paul Bakker0f90d7d2014-04-30 11:49:44 +0200314 * version_check_feature() added to check for compile-time options at
315 run-time
Paul Bakker92478c32014-04-25 15:18:34 +0200316
Paul Bakker088c5c52014-04-25 11:11:10 +0200317Changes
318 * POLARSSL_CONFIG_OPTIONS has been removed. All values are individually
319 checked and filled in the relevant module headers
Paul Bakker92478c32014-04-25 15:18:34 +0200320 * Debug module only outputs full lines instead of parts
Paul Bakker63844402014-04-30 15:34:12 +0200321 * Better support for the different Attribute Types from IETF PKIX (RFC 5280)
Manuel Pégourié-Gonnard63a5bfe2014-04-26 17:21:07 +0200322 * AES-NI now compiles with "old" assemblers too
Manuel Pégourié-Gonnardc16f4e12014-04-29 18:23:07 +0200323 * Ciphersuites based on RC4 now have the lowest priority by default
Paul Bakker088c5c52014-04-25 11:11:10 +0200324
Paul Bakkere92f73d2014-04-18 14:08:26 +0200325Bugfix
326 * Only iterate over actual certificates in ssl_write_certificate_request()
327 (found by Matthew Page)
Paul Bakker4ffcd2f2014-04-25 11:44:12 +0200328 * Typos in platform.c and pkcs11.c (found by Daniel Phillips and Steffan
329 Karger)
Paul Bakkerfdba4682014-04-25 11:48:35 +0200330 * cert_write app should use subject of issuer certificate as issuer of cert
Paul Bakker61885c72014-04-25 12:59:03 +0200331 * Fix false reject in padding check in ssl_decrypt_buf() for CBC
332 ciphersuites, for full SSL frames of data.
Paul Bakkera7036632014-04-30 10:15:38 +0200333 * Improve interoperability by not writing extension length in ClientHello /
334 ServerHello when no extensions are present (found by Matthew Page)
Paul Bakker24f37cc2014-04-30 13:33:35 +0200335 * rsa_check_pubkey() now allows an E up to N
Paul Bakkerf96f7b62014-04-30 16:02:38 +0200336 * On OpenBSD, use arc4random_buf() instead of rand() to prevent warnings
Paul Bakker33dc46b2014-04-30 16:11:39 +0200337 * mpi_fill_random() was creating numbers larger than requested on
338 big-endian platform when size was not an integer number of limbs
Manuel Pégourié-Gonnardedc81ff2014-04-29 15:06:49 +0200339 * Fix dependencies issues in X.509 test suite.
Manuel Pégourié-Gonnard3a306b92014-04-29 15:11:17 +0200340 * Some parts of ssl_tls.c were compiled even when the module was disabled.
Markus Pfeiffera26a0052014-04-22 20:16:15 +0000341 * Fix detection of DragonflyBSD in net.c (found by Markus Pfeiffer)
Barry K. Nathancf975f52014-04-23 17:40:25 -0700342 * Fix detection of Clang on some Apple platforms with CMake
343 (found by Barry K. Nathan)
Paul Bakkere92f73d2014-04-18 14:08:26 +0200344
Paul Bakker784b04f2014-04-11 15:33:59 +0200345= PolarSSL 1.3.6 released on 2014-04-11
Manuel Pégourié-Gonnard969ccc62014-03-26 19:53:25 +0100346
Paul Bakker27e36d32014-04-08 12:33:37 +0200347Features
348 * Support for the ALPN SSL extension
Paul Bakker1cfc4582014-04-09 15:25:13 +0200349 * Add option 'use_dev_random' to gen_key application
Manuel Pégourié-Gonnardb7fff0f2014-04-11 11:32:39 +0200350 * Enable verification of the keyUsage extension for CA and leaf
Paul Bakker59366212014-04-09 15:55:20 +0200351 certificates (POLARSSL_X509_CHECK_KEY_USAGE)
Manuel Pégourié-Gonnardb7fff0f2014-04-11 11:32:39 +0200352 * Enable verification of the extendedKeyUsage extension
353 (POLARSSL_X509_CHECK_EXTENDED_KEY_USAGE)
Paul Bakker27e36d32014-04-08 12:33:37 +0200354
Paul Bakker4984d3c2014-04-04 15:39:37 +0200355Changes
356 * x509_crt_info() now prints information about parsed extensions as well
Manuel Pégourié-Gonnard2abed842014-04-08 12:40:15 +0200357 * pk_verify() now returns a specific error code when the signature is valid
358 but shorter than the supplied length.
Manuel Pégourié-Gonnard0776a432014-04-11 12:25:45 +0200359 * Use UTC time to check certificate validity.
Manuel Pégourié-Gonnard9655e452014-04-11 12:29:49 +0200360 * Reject certificates with times not in UTC, per RFC 5280.
Paul Bakker4984d3c2014-04-04 15:39:37 +0200361
Manuel Pégourié-Gonnarddd75c312014-03-31 11:55:42 +0200362Security
363 * Avoid potential timing leak in ecdsa_sign() by blinding modular division.
364 (Found by Watson Ladd.)
Manuel Pégourié-Gonnard8c045ef2014-04-08 11:55:03 +0200365 * The notAfter date of some certificates was no longer checked since 1.3.5.
366 This affects certificates in the user-supplied chain except the top
367 certificate. If the user-supplied chain contains only one certificates,
368 it is not affected (ie, its notAfter date is properly checked).
Paul Bakker4224bc02014-04-08 14:36:50 +0200369 * Prevent potential NULL pointer dereference in ssl_read_record() (found by
370 TrustInSoft)
Manuel Pégourié-Gonnarddd75c312014-03-31 11:55:42 +0200371
Manuel Pégourié-Gonnard969ccc62014-03-26 19:53:25 +0100372Bugfix
373 * The length of various ClientKeyExchange messages was not properly checked.
Manuel Pégourié-Gonnard6b0d2682014-03-25 11:24:43 +0100374 * Some example server programs were not sending the close_notify alert.
Paul Bakker75a28602014-03-31 12:08:17 +0200375 * Potential memory leak in mpi_exp_mod() when error occurs during
376 calculation of RR.
Manuel Pégourié-Gonnard74bc68a2014-04-02 13:20:00 +0200377 * Fixed malloc/free default #define in platform.c (found by Gergely Budai).
Manuel Pégourié-Gonnarde4421112014-04-02 13:50:05 +0200378 * Fixed type which made POLARSSL_ENTROPY_FORCE_SHA256 uneffective (found by
379 Gergely Budai).
Manuel Pégourié-Gonnard887aa5b2014-04-04 13:57:20 +0200380 * Fix #include path in ecdsa.h which wasn't accepted by some compilers.
381 (found by Gergely Budai)
Shuo Chen95a0d112014-04-04 21:04:40 -0700382 * Fix compile errors when POLARSSL_ERROR_STRERROR_BC is undefined (found by
383 Shuo Chen).
Manuel Pégourié-Gonnard7afdb882014-03-28 16:06:35 +0100384 * oid_get_numeric_string() used to truncate the output without returning an
385 error if the output buffer was just 1 byte too small.
Manuel Pégourié-Gonnard3fec2202014-03-29 16:42:38 +0100386 * dhm_parse_dhm() (hence dhm_parse_dhmfile()) did not set dhm->len.
Manuel Pégourié-Gonnard01488752014-04-03 22:09:18 +0200387 * Calling pk_debug() on an RSA-alt key would segfault.
388 * pk_get_size() and pk_get_len() were off by a factor 8 for RSA-alt keys.
Paul Bakker16300582014-04-11 13:28:43 +0200389 * Potential buffer overwrite in pem_write_buffer() because of low length
390 indication (found by Thijs Alkemade)
Manuel Pégourié-Gonnard78848372014-04-10 17:45:07 +0200391 * EC curves constants, which should be only in ROM since 1.3.3, were also
392 stored in RAM due to missing 'const's (found by Gergely Budai).
Manuel Pégourié-Gonnard969ccc62014-03-26 19:53:25 +0100393
Paul Bakker96d52652014-03-26 16:55:50 +0100394= PolarSSL 1.3.5 released on 2014-03-26
Paul Bakker5fb8efe2014-02-05 15:54:34 +0100395Features
396 * HMAC-DRBG as a separate module
Manuel Pégourié-Gonnard84c30c72014-02-26 17:38:55 +0100397 * Option to set the Curve preference order (disabled by default)
Paul Bakker6a28e722014-02-06 13:41:55 +0100398 * Single Platform compatilibity layer (for memory / printf / fprintf)
Paul Bakkerf2561b32014-02-06 15:11:55 +0100399 * Ability to provide alternate timing implementation
Paul Bakker2ceda572014-02-06 15:55:25 +0100400 * Ability to force the entropy module to use SHA-256 as its basis
401 (POLARSSL_ENTROPY_FORCE_SHA256)
Paul Bakker6a8e7f82014-03-17 13:45:06 +0100402 * Testing script ssl-opt.sh added for testing 'live' ssl option
403 interoperability against OpenSSL and PolarSSL
Manuel Pégourié-Gonnard86b400f2014-03-19 16:55:29 +0100404 * Support for reading EC keys that use SpecifiedECDomain in some cases.
Paul Bakker66ff70d2014-03-26 11:54:05 +0100405 * Entropy module now supports seed writing and reading
Paul Bakker6a28e722014-02-06 13:41:55 +0100406
407Changes
408 * Deprecated the Memory layer
Paul Bakker47703a02014-02-06 15:01:20 +0100409 * entropy_add_source(), entropy_update_manual() and entropy_gather()
410 now thread-safe if POLARSSL_THREADING_C defined
Manuel Pégourié-Gonnard14ed1a22014-03-11 10:16:25 +0100411 * Improvements to the CMake build system, contributed by Julian Ospald.
Manuel Pégourié-Gonnardbb8661e2014-03-14 09:21:20 +0100412 * Work around a bug of the version of Clang shipped by Apple with Mavericks
413 that prevented bignum.c from compiling. (Reported by Rafael Baptista.)
Paul Bakker6a8e7f82014-03-17 13:45:06 +0100414 * Revamped the compat.sh interoperatibility script to include support for
415 testing against GnuTLS
Manuel Pégourié-Gonnard7a2aba82014-03-25 16:37:27 +0100416 * Deprecated ssl_set_own_cert_rsa() and ssl_set_own_cert_rsa_alt()
Paul Bakker674e0b02014-03-26 13:26:52 +0100417 * Improvements to tests/Makefile, contributed by Oden Eriksson.
Paul Bakker5fb8efe2014-02-05 15:54:34 +0100418
Manuel Pégourié-Gonnard796c6f32014-03-10 09:34:49 +0100419Security
420 * Forbid change of server certificate during renegotiation to prevent
Manuel Pégourié-Gonnardb2bf5a12014-03-25 16:28:12 +0100421 "triple handshake" attack when authentication mode is 'optional' (the
Manuel Pégourié-Gonnard796c6f32014-03-10 09:34:49 +0100422 attack was already impossible when authentication is required).
Manuel Pégourié-Gonnard95337652014-03-10 13:15:18 +0100423 * Check notBefore timestamp of certificates and CRLs from the future.
Manuel Pégourié-Gonnard83cdffc2014-03-10 21:20:29 +0100424 * Forbid sequence number wrapping
Manuel Pégourié-Gonnard7a2aba82014-03-25 16:37:27 +0100425 * Fixed possible buffer overflow with overlong PSK
Paul Bakker91c61bc2014-03-26 14:06:55 +0100426 * Possible remotely-triggered out-of-bounds memory access fixed (found by
427 TrustInSoft)
Manuel Pégourié-Gonnard796c6f32014-03-10 09:34:49 +0100428
Manuel Pégourié-Gonnard6e8e34d2014-01-28 19:30:56 +0100429Bugfix
430 * ecp_gen_keypair() does more tries to prevent failure because of
431 statistics
Manuel Pégourié-Gonnard7a2aba82014-03-25 16:37:27 +0100432 * Fixed bug in RSA PKCS#1 v1.5 "reversed" operations
Paul Bakkercd6d69a2014-02-06 15:43:21 +0100433 * Fixed testing with out-of-source builds using cmake
Manuel Pégourié-Gonnard6b1e2072014-02-12 10:14:54 +0100434 * Fixed version-major intolerance in server
Paul Bakker3d52ab72014-03-07 10:33:55 +0100435 * Fixed CMake symlinking on out-of-source builds
Manuel Pégourié-Gonnard29dcc0b2014-03-10 11:32:07 +0100436 * Fixed dependency issues in test suite
Manuel Pégourié-Gonnard844a4c02014-03-10 21:55:35 +0100437 * Programs rsa_sign_pss and rsa_verify_pss were not using PSS since 1.3.0
Alex Wilson73491422014-03-06 00:04:09 +1000438 * Bignum's MIPS-32 assembly was used on MIPS-64, causing chaos. (Found by
439 Alex Wilson.)
Manuel Pégourié-Gonnard84c30c72014-02-26 17:38:55 +0100440 * ssl_cache was creating entries when max_entries=0 if TIMING_C was enabled.
441 * m_sleep() was sleeping twice too long on most Unix platforms.
Manuel Pégourié-Gonnard145dfcb2014-02-26 14:23:33 +0100442 * Fixed bug with session tickets and non-blocking I/O in the unlikely case
Paul Bakkerb0695ce2014-03-17 13:42:23 +0100443 send() would return an EAGAIN error when sending the ticket.
Manuel Pégourié-Gonnard84c30c72014-02-26 17:38:55 +0100444 * ssl_cache was leaking memory when reusing a timed out entry containing a
Paul Bakkerb0695ce2014-03-17 13:42:23 +0100445 client certificate.
Manuel Pégourié-Gonnardd701c9a2014-02-26 17:54:07 +0100446 * ssl_srv was leaking memory when client presented a timed out ticket
Paul Bakkerb0695ce2014-03-17 13:42:23 +0100447 containing a client certificate
Paul Bakker3d6504a2014-03-17 13:41:51 +0100448 * ssl_init() was leaving a dirty pointer in ssl_context if malloc of
449 out_ctr failed
Paul Bakker77f4f392014-03-26 15:28:55 +0100450 * ssl_handshake_init() was leaving dirty pointers in subcontexts if malloc
451 of one of them failed
Manuel Pégourié-Gonnardfdddac92014-03-25 15:58:35 +0100452 * Fix typo in rsa_copy() that impacted PKCS#1 v2 contexts
Paul Bakker5fff23b2014-03-26 15:34:54 +0100453 * x509_get_current_time() uses localtime_r() to prevent thread issues
Manuel Pégourié-Gonnard6e8e34d2014-01-28 19:30:56 +0100454
Paul Bakker2aca2412014-01-27 11:49:46 +0100455= PolarSSL 1.3.4 released on 2014-01-27
Paul Bakker3eb96732014-01-22 13:08:19 +0100456Features
Paul Bakker0ac99ca2014-01-22 13:08:44 +0100457 * Support for the Koblitz curves: secp192k1, secp224k1, secp256k1
Paul Bakker5862eee2014-01-22 14:18:03 +0100458 * Support for RIPEMD-160
Paul Bakker556efba2014-01-24 15:38:12 +0100459 * Support for AES CFB8 mode
Paul Bakkere6c2ddb2014-01-27 11:47:15 +0100460 * Support for deterministic ECDSA (RFC 6979)
Paul Bakker3eb96732014-01-22 13:08:19 +0100461
462Bugfix
463 * Potential memory leak in bignum_selftest()
464 * Replaced expired test certificate
Paul Bakkerd75ba402014-01-24 16:11:17 +0100465 * ssl_mail_client now terminates lines with CRLF, instead of LF
Paul Bakkerb84582b2014-01-27 12:23:43 +0100466 * net module handles timeouts on blocking sockets better (found by Tilman
467 Sauerbeck)
Paul Bakker2cb1a0c2014-01-27 13:36:23 +0100468 * Assembly format fixes in bn_mul.h
469
470Security
Paul Bakkerb84582b2014-01-27 12:23:43 +0100471 * Missing MPI_CHK calls added around unguarded mpi calls (found by
472 TrustInSoft)
Paul Bakker3eb96732014-01-22 13:08:19 +0100473
Paul Bakker5bc07a32013-12-31 10:57:44 +0100474= PolarSSL 1.3.3 released on 2013-12-31
Paul Bakker014f1432013-12-02 14:54:01 +0100475Features
476 * EC key generation support in gen_key app
Paul Bakker9dc53a92013-12-02 14:55:28 +0100477 * Support for adhering to client ciphersuite order preference
478 (POLARSSL_SSL_SRV_RESPECT_CLIENT_PREFERENCE)
Paul Bakker48d78a52013-12-05 16:11:38 +0100479 * Support for Curve25519
Paul Bakkerfdf94692013-12-17 13:09:31 +0100480 * Support for ECDH-RSA and ECDH-ECDSA key exchanges and ciphersuites
Paul Bakker5a607d22013-12-17 14:33:42 +0100481 * Support for IPv6 in the NET module
Paul Bakker23116fd2013-12-30 14:09:47 +0100482 * AES-NI support for AES, AES-GCM and AES key scheduling
Paul Bakkerf9c49532013-12-19 15:40:58 +0100483 * SSL Pthread-based server example added (ssl_pthread_server)
Paul Bakker014f1432013-12-02 14:54:01 +0100484
Paul Bakker7aa03752013-11-26 17:37:31 +0100485Changes
486 * gen_prime() speedup
487 * Speedup of ECP multiplication operation
488 * Relaxed some SHA2 ciphersuite's version requirements
Paul Bakkerc3d0d072013-12-02 14:50:49 +0100489 * Dropped use of readdir_r() instead of readdir() with threading support
Paul Bakker4040d7e2013-12-02 14:52:57 +0100490 * More constant-time checks in the RSA module
Paul Bakkerb14817d2013-12-02 22:03:23 +0100491 * Split off curves from ecp.c into ecp_curves.c
Paul Bakker5ab68ba2013-12-17 13:10:48 +0100492 * Curves are now stored fully in ROM
Paul Bakkerc7387912013-12-31 10:32:50 +0100493 * Memory usage optimizations in ECP module
Paul Bakkera8fd3e32013-12-31 11:54:08 +0100494 * Removed POLARSSL_THREADING_DUMMY
Paul Bakker7aa03752013-11-26 17:37:31 +0100495
Paul Bakkerf2b4d862013-11-20 17:23:53 +0100496Bugfix
Manuel Pégourié-Gonnard9a4a5ac2013-12-04 18:05:29 +0100497 * Fixed bug in mpi_set_bit() on platforms where t_uint is wider than int
Paul Bakkerf2b4d862013-11-20 17:23:53 +0100498 * Fixed X.509 hostname comparison (with non-regular characters)
Paul Bakkera9a028e2013-11-21 17:31:06 +0100499 * SSL now gracefully handles missing RNG
Paul Bakker7aa03752013-11-26 17:37:31 +0100500 * Missing defines / cases for RSA_PSK key exchange
501 * crypt_and_hash app checks MAC before final decryption
Paul Bakker6f0636a2013-12-16 15:24:05 +0100502 * Potential memory leak in ssl_ticket_keys_init()
Paul Bakkerf70fe812013-12-16 16:43:10 +0100503 * Memory leak in benchmark application
Paul Bakker1a56fc92013-12-19 13:51:24 +0100504 * Fixed x509_crt_parse_path() bug on Windows platforms
Paul Bakker6ea1a952013-12-31 11:16:03 +0100505 * Added missing MPI_CHK() around some statements in mpi_div_mpi() (found by
506 TrustInSoft)
Paul Bakker6992eb72013-12-31 11:35:16 +0100507 * Fixed potential overflow in certificate size verification in
508 ssl_write_certificate() (found by TrustInSoft)
Paul Bakkerf2b4d862013-11-20 17:23:53 +0100509
Paul Bakker956c9e02013-12-19 14:42:28 +0100510Security
511 * Possible remotely-triggered out-of-bounds memory access fixed (found by
512 TrustInSoft)
513
Paul Bakkerf4dc1862013-11-04 17:29:42 +0100514= PolarSSL 1.3.2 released on 2013-11-04
Paul Bakker08bb1872013-10-28 14:03:26 +0100515Features
516 * PK tests added to test framework
Paul Bakker3f917e22013-10-28 14:16:59 +0100517 * Added optional optimization for NIST MODP curves (POLARSSL_ECP_NIST_OPTIM)
Paul Bakker16421222013-10-28 14:37:09 +0100518 * Support for Camellia-GCM mode and ciphersuites
Paul Bakker08bb1872013-10-28 14:03:26 +0100519
Paul Bakker7bc745b2013-10-28 14:39:49 +0100520Changes
521 * Padding checks in cipher layer are now constant-time
Paul Bakkere1121b62013-10-31 14:37:37 +0100522 * Value comparisons in SSL layer are now constant-time
Paul Bakker7b0be682013-10-29 14:24:37 +0100523 * Support for serialNumber, postalAddress and postalCode in X509 names
Paul Bakkere1121b62013-10-31 14:37:37 +0100524 * SSL Renegotiation was refactored
Paul Bakker7bc745b2013-10-28 14:39:49 +0100525
Paul Bakker677377f2013-10-28 12:54:26 +0100526Bugfix
Paul Bakker16421222013-10-28 14:37:09 +0100527 * More stringent checks in cipher layer
Paul Bakker677377f2013-10-28 12:54:26 +0100528 * Server does not send out extensions not advertised by client
Paul Bakker45a2c8d2013-10-28 12:57:08 +0100529 * Prevent possible alignment warnings on casting from char * to 'aligned *'
Paul Bakker68037da2013-10-28 14:02:40 +0100530 * Misc fixes and additions to dependency checks
Paul Bakker50dc8502013-10-28 21:19:10 +0100531 * Const correctness
Paul Bakker93c6aa42013-10-28 22:28:09 +0100532 * cert_write with selfsign should use issuer_name as subject_name
Manuel Pégourié-Gonnard178d9ba2013-10-29 10:45:28 +0100533 * Fix ECDSA corner case: missing reduction mod N (found by DualTachyon)
Paul Bakkerfa6a6202013-10-28 18:48:30 +0100534 * Defines to handle UEFI environment under MSVC
Paul Bakkere1121b62013-10-31 14:37:37 +0100535 * Server-side initiated renegotiations send HelloRequest
Paul Bakker677377f2013-10-28 12:54:26 +0100536
Paul Bakker5c17ccd2013-10-15 13:12:41 +0200537= PolarSSL 1.3.1 released on 2013-10-15
Paul Bakkerb799dec2013-10-11 10:03:27 +0200538Features
539 * Support for Brainpool curves and TLS ciphersuites (RFC 7027)
Paul Bakker376e8152013-10-15 12:44:23 +0200540 * Support for ECDHE-PSK key-exchange and ciphersuites
Paul Bakkerf34673e2013-10-15 12:46:17 +0200541 * Support for RSA-PSK key-exchange and ciphersuites
Paul Bakkerb799dec2013-10-11 10:03:27 +0200542
Paul Bakkerddba8822013-10-11 09:21:56 +0200543Changes
544 * RSA blinding locks for a smaller amount of time
Paul Bakker16770332013-10-11 09:59:44 +0200545 * TLS compression only allocates working buffer once
Paul Bakkerbe089b02013-10-14 15:51:50 +0200546 * Introduced POLARSSL_HAVE_READDIR_R for systems without it
Paul Bakkera7ea6a52013-10-15 11:55:10 +0200547 * config.h is more script-friendly
Paul Bakkerddba8822013-10-11 09:21:56 +0200548
549Bugfix
550 * Missing MSVC defines added
551 * Compile errors with POLARSSL_RSA_NO_CRT
552 * Header files with 'polarssl/'
Paul Bakkerfcc17212013-10-11 09:36:52 +0200553 * Const correctness
Paul Bakkerd61cc3b2013-10-11 09:38:49 +0200554 * Possible naming collision in dhm_context
Paul Bakker4aa40d42013-10-11 10:49:24 +0200555 * Better support for MSVC
Paul Bakkerb7c13122013-10-11 10:51:32 +0200556 * threading_set_alt() name
Paul Bakker5191e922013-10-11 10:54:28 +0200557 * Added missing x509write_crt_set_version()
Paul Bakkerddba8822013-10-11 09:21:56 +0200558
Paul Bakker5c17ccd2013-10-15 13:12:41 +0200559= PolarSSL 1.3.0 released on 2013-10-01
Paul Bakker41c83d32013-03-20 14:39:14 +0100560Features
561 * Elliptic Curve Cryptography module added
562 * Elliptic Curve Diffie Hellman module added
563 * Ephemeral Elliptic Curve Diffie Hellman support for SSL/TLS
564 (ECDHE-based ciphersuites)
Paul Bakkerc8676782013-08-28 12:15:11 +0200565 * Ephemeral Elliptic Curve Digital Signature Algorithm support for SSL/TLS
566 (ECDSA-based ciphersuites)
Paul Bakker8f4ddae2013-04-15 15:09:54 +0200567 * Ability to specify allowed ciphersuites based on the protocol version.
Paul Bakkerb91c2b52013-04-19 16:05:16 +0200568 * PSK and DHE-PSK based ciphersuites added
Paul Bakker6e339b52013-07-03 13:37:05 +0200569 * Memory allocation abstraction layer added
570 * Buffer-based memory allocator added (no malloc() / free() / HEAP usage)
Paul Bakker2466d932013-09-28 14:40:38 +0200571 * Threading abstraction layer added (dummy / pthread / alternate)
Paul Bakker5ad403f2013-09-18 21:21:30 +0200572 * Public Key abstraction layer added
Paul Bakkerf85778e2013-07-19 14:55:25 +0200573 * Parsing Elliptic Curve keys
574 * Parsing Elliptic Curve certificates
575 * Support for max_fragment_length extension (RFC 6066)
576 * Support for truncated_hmac extension (RFC 6066)
Paul Bakkerda4d1c32013-08-14 12:24:34 +0200577 * Support for zeros-and-length (ANSI X.923) padding, one-and-zeros
578 (ISO/IEC 7816-4) padding and zero padding in the cipher layer
Paul Bakker936539a2013-08-14 13:49:20 +0200579 * Support for session tickets (RFC 5077)
Paul Bakkerca174fe2013-08-28 16:31:30 +0200580 * Certificate Request (CSR) generation with extensions (key_usage,
581 ns_cert_type)
Paul Bakker7fb4a792013-09-12 12:00:52 +0200582 * X509 Certificate writing with extensions (basic_constraints,
583 issuer_key_identifier, etc)
Paul Bakker6ec34fb2013-09-10 14:53:46 +0200584 * Optional blinding for RSA, DHM and EC
Paul Bakker8b817dc2013-09-25 18:03:58 +0200585 * Support for multiple active certificate / key pairs in SSL servers for
586 the same host (Not to be confused with SNI!)
Paul Bakker41c83d32013-03-20 14:39:14 +0100587
Paul Bakker9b5798d2013-03-13 13:53:00 +0100588Changes
Paul Bakkerd2f068e2013-08-27 21:19:20 +0200589 * Ability to enable / disable SSL v3 / TLS 1.0 / TLS 1.1 / TLS 1.2
590 individually
Paul Bakker68884e32013-01-07 18:20:04 +0100591 * Introduced separate SSL Ciphersuites module that is based on
592 Cipher and MD information
Paul Bakker9b5798d2013-03-13 13:53:00 +0100593 * Internals for SSL module adapted to have separate IV pointer that is
594 dynamically set (Better support for hardware acceleration)
Paul Bakkerc70b9822013-04-07 22:00:46 +0200595 * Moved all OID functionality to a separate module. RSA function
596 prototypes for the RSA sign and verify functions changed as a result
Paul Bakkerb9d3cfa2013-06-26 15:07:16 +0200597 * Split up the GCM module into a starts/update/finish cycle
Paul Bakker2fbefde2013-06-29 16:01:15 +0200598 * Client and server now filter sent and accepted ciphersuites on minimum
599 and maximum protocol version
Paul Bakker0be444a2013-08-27 21:55:01 +0200600 * Ability to disable server_name extension (RFC 6066)
Paul Bakkere2ab84f2013-06-29 18:24:32 +0200601 * Renamed error_strerror() to the less conflicting polarssl_strerror()
602 (Ability to keep old as well with POLARSSL_ERROR_STRERROR_BC)
Paul Bakker9e36f042013-06-30 14:34:05 +0200603 * SHA2 renamed to SHA256, SHA4 renamed to SHA512 and functions accordingly
Paul Bakker548957d2013-08-30 10:30:02 +0200604 * All RSA operations require a random generator for blinding purposes
Paul Bakker45f21c72013-09-18 15:33:49 +0200605 * X509 core refactored
606 * x509_crt_verify() now case insensitive for cn (RFC 6125 6.4)
Paul Bakker5ad403f2013-09-18 21:21:30 +0200607 * Also compiles / runs without time-based functions (!POLARSSL_HAVE_TIME)
Paul Bakkerc27c4e22013-09-23 15:01:36 +0200608 * Support faulty X509 v1 certificates with extensions
609 (POLARSSL_X509_ALLOW_EXTENSIONS_NON_V3)
Paul Bakker9b5798d2013-03-13 13:53:00 +0100610
Paul Bakkereff2e6d2013-04-11 17:13:22 +0200611Bugfix
Paul Bakker73d44312013-05-22 13:56:26 +0200612 * Fixed parse error in ssl_parse_certificate_request()
Paul Bakkerabf2f8f2013-06-30 14:57:46 +0200613 * zlib compression/decompression skipped on empty blocks
Paul Bakker1e6a1752013-07-26 14:10:22 +0200614 * Support for AIX header locations in net.c module
Paul Bakker003dbad2013-09-09 17:26:14 +0200615 * Fixed file descriptor leaks
Paul Bakkereff2e6d2013-04-11 17:13:22 +0200616
Paul Bakkeraab30c12013-08-30 11:00:25 +0200617Security
618 * RSA blinding on CRT operations to counter timing attacks
619 (found by Cyril Arnaud and Pierre-Alain Fouque)
620
Paul Bakkera6c5ea22014-10-24 16:26:29 +0200621= Version 1.2.12 released 2014-10-24
622
623Security
624 * Remotely-triggerable memory leak when parsing some X.509 certificates
625 (server is not affected if it doesn't ask for a client certificate).
626 (Found using Codenomicon Defensics.)
627
628Bugfix
629 * Fix potential bad read in parsing ServerHello (found by Adrien
630 Vialletelle).
631 * ssl_close_notify() could send more than one message in some circumstances
632 with non-blocking I/O.
633 * x509_crt_parse() did not increase total_failed on PEM error
634 * Fix compiler warnings on iOS (found by Sander Niemeijer).
635 * Don't print uninitialised buffer in ssl_mail_client (found by Marc Abel).
636 * Fix net_accept() regarding non-blocking sockets (found by Luca Pesce).
637 * ssl_read() could return non-application data records on server while
638 renegotation was pending, and on client when a HelloRequest was received.
639 * Fix warnings from Clang's scan-build (contributed by Alfred Klomp).
640
641Changes
642 * X.509 certificates with more than one AttributeTypeAndValue per
643 RelativeDistinguishedName are not accepted any more.
644 * ssl_read() now returns POLARSSL_ERR_NET_WANT_READ rather than
645 POLARSSL_ERR_SSL_UNEXPECTED_MESSAGE on harmless alerts.
646 * Accept spaces at end of line or end of buffer in base64_decode().
647
Paul Bakker0ae5a3d2014-07-11 11:28:30 +0200648= Version 1.2.11 released 2014-07-11
649Features
650 * Entropy module now supports seed writing and reading
651
652Changes
653 * Introduced POLARSSL_HAVE_READDIR_R for systems without it
654 * Improvements to the CMake build system, contributed by Julian Ospald.
655 * Work around a bug of the version of Clang shipped by Apple with Mavericks
656 that prevented bignum.c from compiling. (Reported by Rafael Baptista.)
657 * Improvements to tests/Makefile, contributed by Oden Eriksson.
658 * Use UTC time to check certificate validity.
659 * Reject certificates with times not in UTC, per RFC 5280.
660 * Migrate zeroizing of data to polarssl_zeroize() instead of memset()
661 against unwanted compiler optimizations
662
663Security
664 * Forbid change of server certificate during renegotiation to prevent
665 "triple handshake" attack when authentication mode is optional (the
666 attack was already impossible when authentication is required).
667 * Check notBefore timestamp of certificates and CRLs from the future.
668 * Forbid sequence number wrapping
669 * Prevent potential NULL pointer dereference in ssl_read_record() (found by
670 TrustInSoft)
671 * Fix length checking for AEAD ciphersuites (found by Codenomicon).
672 It was possible to crash the server (and client) using crafted messages
673 when a GCM suite was chosen.
674
675Bugfix
676 * Fixed X.509 hostname comparison (with non-regular characters)
677 * SSL now gracefully handles missing RNG
678 * crypt_and_hash app checks MAC before final decryption
679 * Fixed x509_crt_parse_path() bug on Windows platforms
680 * Added missing MPI_CHK() around some statements in mpi_div_mpi() (found by
681 TrustInSoft)
682 * Fixed potential overflow in certificate size verification in
683 ssl_write_certificate() (found by TrustInSoft)
684 * Fix ASM format in bn_mul.h
685 * Potential memory leak in bignum_selftest()
686 * Replaced expired test certificate
687 * ssl_mail_client now terminates lines with CRLF, instead of LF
688 * Fix bug in RSA PKCS#1 v1.5 "reversed" operations
689 * Fixed testing with out-of-source builds using cmake
690 * Fixed version-major intolerance in server
691 * Fixed CMake symlinking on out-of-source builds
692 * Bignum's MIPS-32 assembly was used on MIPS-64, causing chaos. (Found by
693 Alex Wilson.)
694 * ssl_init() was leaving a dirty pointer in ssl_context if malloc of
695 out_ctr failed
696 * ssl_handshake_init() was leaving dirty pointers in subcontexts if malloc
697 of one of them failed
698 * x509_get_current_time() uses localtime_r() to prevent thread issues
699 * Some example server programs were not sending the close_notify alert.
700 * Potential memory leak in mpi_exp_mod() when error occurs during
701 calculation of RR.
702 * Improve interoperability by not writing extension length in ClientHello
703 when no extensions are present (found by Matthew Page)
704 * rsa_check_pubkey() now allows an E up to N
705 * On OpenBSD, use arc4random_buf() instead of rand() to prevent warnings
706 * mpi_fill_random() was creating numbers larger than requested on
707 big-endian platform when size was not an integer number of limbs
708 * Fix detection of DragonflyBSD in net.c (found by Markus Pfeiffer)
709 * Stricter check on SSL ClientHello internal sizes compared to actual packet
710 size (found by TrustInSoft)
711 * Fix preprocessor checks for bn_mul PPC asm (found by Barry K. Nathan).
712 * Use \n\t rather than semicolons for bn_mul asm, since some assemblers
713 interpret semicolons as comment delimiters (found by Barry K. Nathan).
714 * Disable broken Sparc64 bn_mul assembly (found by Florian Obser).
715 * Fix base64_decode() to return and check length correctly (in case of
716 tight buffers)
717
Paul Bakker3a2c0562013-10-07 16:22:05 +0200718= Version 1.2.10 released 2013-10-07
719Changes
720 * Changed RSA blinding to a slower but thread-safe version
721
722Bugfix
723 * Fixed memory leak in RSA as a result of introduction of blinding
724 * Fixed ssl_pkcs11_decrypt() prototype
725 * Fixed MSVC project files
726
Paul Bakkerd93d28e2013-10-01 10:12:42 +0200727= Version 1.2.9 released 2013-10-01
Paul Bakkerc13aab12013-09-26 10:12:19 +0200728Changes
729 * x509_verify() now case insensitive for cn (RFC 6125 6.4)
730
731Bugfix
732 * Fixed potential memory leak when failing to resume a session
733 * Fixed potential file descriptor leaks (found by Remi Gacogne)
734 * Minor fixes
735
736Security
737 * Fixed potential heap buffer overflow on large hostname setting
738 * Fixed potential negative value misinterpretation in load_file()
739 * RSA blinding on CRT operations to counter timing attacks
740 (found by Cyril Arnaud and Pierre-Alain Fouque)
741
Paul Bakkerde656232013-06-24 19:07:34 +0200742= Version 1.2.8 released 2013-06-19
743Features
744 * Parsing of PKCS#8 encrypted private key files
745 * PKCS#12 PBE and derivation functions
746 * Centralized module option values in config.h to allow user-defined
747 settings without editing header files by using POLARSSL_CONFIG_OPTIONS
748
749Changes
750 * HAVEGE random generator disabled by default
751 * Internally split up x509parse_key() into a (PEM) handler function
752 and specific DER parser functions for the PKCS#1 and unencrypted
753 PKCS#8 private key formats
754 * Added mechanism to provide alternative implementations for all
755 symmetric cipher and hash algorithms (e.g. POLARSSL_AES_ALT in
756 config.h)
757 * PKCS#5 module added. Moved PBKDF2 functionality inside and deprecated
758 old PBKDF2 module
759
760Bugfix
761 * Secure renegotiation extension should only be sent in case client
762 supports secure renegotiation
763 * Fixed offset for cert_type list in ssl_parse_certificate_request()
764 * Fixed const correctness issues that have no impact on the ABI
765 * x509parse_crt() now better handles PEM error situations
766 * ssl_parse_certificate() now calls x509parse_crt_der() directly
767 instead of the x509parse_crt() wrapper that can also parse PEM
768 certificates
769 * x509parse_crtpath() is now reentrant and uses more portable stat()
770 * Fixed bignum.c and bn_mul.h to support Thumb2 and LLVM compiler
771 * Fixed values for 2-key Triple DES in cipher layer
772 * ssl_write_certificate_request() can handle empty ca_chain
773
774Security
775 * A possible DoS during the SSL Handshake, due to faulty parsing of
776 PEM-encoded certificates has been fixed (found by Jack Lloyd)
777
778= Version 1.2.7 released 2013-04-13
779Features
780 * Ability to specify allowed ciphersuites based on the protocol version.
781
782Changes
783 * Default Blowfish keysize is now 128-bits
784 * Test suites made smaller to accommodate Raspberry Pi
785
786Bugfix
787 * Fix for MPI assembly for ARM
788 * GCM adapted to support sizes > 2^29
789
Paul Bakker90f042d2013-03-11 11:38:44 +0100790= Version 1.2.6 released 2013-03-11
Paul Bakkerc0463502013-02-14 11:19:38 +0100791Bugfix
792 * Fixed memory leak in ssl_free() and ssl_reset() for active session
Paul Bakker3d2dc0f2013-02-27 14:52:37 +0100793 * Corrected GCM counter incrementation to use only 32-bits instead of
794 128-bits (found by Yawning Angel)
Paul Bakkere3e4a592013-02-28 10:20:53 +0100795 * Fixes for 64-bit compilation with MS Visual Studio
Paul Bakker37286a52013-03-06 16:55:11 +0100796 * Fixed net_bind() for specified IP addresses on little endian systems
Paul Bakkerfb1cbd32013-03-06 18:14:52 +0100797 * Fixed assembly code for ARM (Thumb and regular) for some compilers
Paul Bakkerc0463502013-02-14 11:19:38 +0100798
Paul Bakkerb3869132013-02-28 17:21:01 +0100799Changes
800 * Internally split up rsa_pkcs1_encrypt(), rsa_pkcs1_decrypt(),
801 rsa_pkcs1_sign() and rsa_pkcs1_verify() to separate PKCS#1 v1.5 and
802 PKCS#1 v2.1 functions
Paul Bakkera43231c2013-02-28 17:33:49 +0100803 * Added support for custom labels when using rsa_rsaes_oaep_encrypt()
804 or rsa_rsaes_oaep_decrypt()
Paul Bakker78a8c712013-03-06 17:01:52 +0100805 * Re-added handling for SSLv2 Client Hello when the define
806 POLARSSL_SSL_SRV_SUPPORT_SSLV2_CLIENT_HELLO is set
Paul Bakkere81beda2013-03-06 17:40:46 +0100807 * The SSL session cache module (ssl_cache) now also retains peer_cert
808 information (not the entire chain)
Paul Bakkerb3869132013-02-28 17:21:01 +0100809
Paul Bakkere47b34b2013-02-27 14:48:00 +0100810Security
811 * Removed further timing differences during SSL message decryption in
812 ssl_decrypt_buf()
Paul Bakker8804f692013-02-28 18:06:26 +0100813 * Removed timing differences due to bad padding from
814 rsa_rsaes_pkcs1_v15_decrypt() and rsa_pkcs1_decrypt() for PKCS#1 v1.5
815 operations
Paul Bakkere47b34b2013-02-27 14:48:00 +0100816
Paul Bakkerc7a2da42013-02-02 19:23:57 +0100817= Version 1.2.5 released 2013-02-02
Paul Bakker8fe40dc2013-02-02 12:43:08 +0100818Changes
819 * Allow enabling of dummy error_strerror() to support some use-cases
Paul Bakkerd66f0702013-01-31 16:57:45 +0100820 * Debug messages about padding errors during SSL message decryption are
821 disabled by default and can be enabled with POLARSSL_SSL_DEBUG_ALL
Paul Bakker40865c82013-01-31 17:13:13 +0100822 * Sending of security-relevant alert messages that do not break
823 interoperability can be switched on/off with the flag
Paul Bakkera35aa542013-03-06 17:06:21 +0100824 POLARSSL_SSL_ALL_ALERT_MESSAGES
Paul Bakker8fe40dc2013-02-02 12:43:08 +0100825
Paul Bakker45829992013-01-03 14:52:21 +0100826Security
827 * Removed timing differences during SSL message decryption in
828 ssl_decrypt_buf() due to badly formatted padding
829
Paul Bakker14c56a32013-01-25 17:11:37 +0100830= Version 1.2.4 released 2013-01-25
Paul Bakker1961b702013-01-25 14:49:24 +0100831Changes
Paul Bakker68884e32013-01-07 18:20:04 +0100832 * More advanced SSL ciphersuite representation and moved to more dynamic
833 SSL core
Paul Bakker1961b702013-01-25 14:49:24 +0100834 * Added ssl_handshake_step() to allow single stepping the handshake process
835
Paul Bakker40628ba2013-01-03 10:50:31 +0100836Bugfix
837 * Memory leak when using RSA_PKCS_V21 operations fixed
Paul Bakker21dca692013-01-03 11:41:08 +0100838 * Handle future version properly in ssl_write_certificate_request()
Paul Bakker9c94cdd2013-01-22 13:45:33 +0100839 * Correctly handle CertificateRequest message in client for <= TLS 1.1
840 without DN list
Paul Bakker40628ba2013-01-03 10:50:31 +0100841
Paul Bakkerfb1ba782012-11-26 16:28:25 +0100842= Version 1.2.3 released 2012-11-26
843Bugfix
844 * Server not always sending correct CertificateRequest message
845
Paul Bakkerdf5069c2012-11-24 12:20:19 +0100846= Version 1.2.2 released 2012-11-24
Paul Bakkere667c982012-11-20 13:50:22 +0100847Changes
848 * Added p_hw_data to ssl_context for context specific hardware acceleration
849 data
Paul Bakkerdf5069c2012-11-24 12:20:19 +0100850 * During verify trust-CA is only checked for expiration and CRL presence
Paul Bakkere667c982012-11-20 13:50:22 +0100851
Paul Bakker7c90da92012-11-23 14:02:40 +0100852Bugfixes
Paul Bakkerdf5069c2012-11-24 12:20:19 +0100853 * Fixed client authentication compatibility
854 * Fixed dependency on POLARSSL_SHA4_C in SSL modules
Paul Bakker7c90da92012-11-23 14:02:40 +0100855
Paul Bakker14926332012-11-20 10:58:09 +0100856= Version 1.2.1 released 2012-11-20
Paul Bakker34d8dbc2012-11-14 12:11:38 +0000857Changes
858 * Depth that the certificate verify callback receives is now numbered
859 bottom-up (Peer cert depth is 0)
860
Paul Bakker7a2538e2012-11-02 10:59:36 +0000861Bugfixes
862 * Fixes for MSVC6
Paul Bakkerd9374b02012-11-02 11:02:58 +0000863 * Moved mpi_inv_mod() outside POLARSSL_GENPRIME
Paul Bakkerf02c5642012-11-13 10:25:21 +0000864 * Allow R and A to point to same mpi in mpi_div_mpi (found by Manuel
865 Pégourié-Gonnard)
Manuel Pégourié-Gonnarde44ec102012-11-17 12:42:51 +0100866 * Fixed possible segfault in mpi_shift_r() (found by Manuel
867 Pégourié-Gonnard)
Paul Bakker9daf0d02012-11-13 12:13:27 +0000868 * Added max length check for rsa_pkcs1_sign with PKCS#1 v2.1
Paul Bakker7a2538e2012-11-02 10:59:36 +0000869
Paul Bakkerc9c5df92012-10-31 13:55:27 +0000870= Version 1.2.0 released 2012-10-31
Paul Bakkerfab5c822012-02-06 16:45:10 +0000871Features
872 * Added support for NULL cipher (POLARSSL_CIPHER_NULL_CIPHER) and weak
873 ciphersuites (POLARSSL_ENABLE_WEAK_CIPHERSUITES). They are disabled by
874 default!
Paul Bakkera8cd2392012-02-11 16:09:32 +0000875 * Added support for wildcard certificates
876 * Added support for multi-domain certificates through the X509 Subject
877 Alternative Name extension
Paul Bakkerbdb912d2012-02-13 23:11:30 +0000878 * Added preliminary ASN.1 buffer writing support
879 * Added preliminary X509 Certificate Request writing support
880 * Added key_app_writer example application
881 * Added cert_req example application
Paul Bakker89e80c92012-03-20 13:50:09 +0000882 * Added base Galois Counter Mode (GCM) for AES
Paul Bakker48916f92012-09-16 19:57:18 +0000883 * Added TLS 1.2 support (RFC 5246)
Paul Bakkerca4ab492012-04-18 14:23:57 +0000884 * Added GCM suites to TLS 1.2 (RFC 5288)
Paul Bakker01cc3942012-05-08 08:36:15 +0000885 * Added commandline error code convertor (util/strerror)
Paul Bakker05ef8352012-05-08 09:17:57 +0000886 * Added support for Hardware Acceleration hooking in SSL/TLS
Paul Bakkere6ee41f2012-05-19 08:43:48 +0000887 * Added OpenSSL / PolarSSL compatibility script (tests/compat.sh) and
Paul Bakkerc9c5df92012-10-31 13:55:27 +0000888 example application (programs/ssl/o_p_test) (requires OpenSSL)
Paul Bakker8d914582012-06-04 12:46:42 +0000889 * Added X509 CA Path support
Paul Bakker4f9a7bb2012-07-02 08:36:36 +0000890 * Added Thumb assembly optimizations
Paul Bakker2770fbd2012-07-03 13:30:23 +0000891 * Added DEFLATE compression support as per RFC3749 (requires zlib)
Paul Bakker6132d0a2012-07-04 17:10:40 +0000892 * Added blowfish algorithm (Generic and cipher layer)
Paul Bakkerf518b162012-08-23 13:03:18 +0000893 * Added PKCS#5 PBKDF2 key derivation function
Paul Bakker48916f92012-09-16 19:57:18 +0000894 * Added Secure Renegotiation (RFC 5746)
Paul Bakker29b64762012-09-25 09:36:44 +0000895 * Added predefined DHM groups from RFC 5114
Paul Bakker0a597072012-09-25 21:55:46 +0000896 * Added simple SSL session cache implementation
Paul Bakker5701cdc2012-09-27 21:49:42 +0000897 * Added ServerName extension parsing (SNI) at server side
Paul Bakker1d29fb52012-09-28 13:28:45 +0000898 * Added option to add minimum accepted SSL/TLS protocol version
Paul Bakkerfab5c822012-02-06 16:45:10 +0000899
Paul Bakker1504af52012-02-11 16:17:43 +0000900Changes
901 * Removed redundant POLARSSL_DEBUG_MSG define
Paul Bakker048d04e2012-02-12 17:31:04 +0000902 * AES code only check for Padlock once
Paul Bakker6b906e52012-05-08 12:01:43 +0000903 * Fixed const-correctness mpi_get_bit()
904 * Documentation for mpi_lsb() and mpi_msb()
Paul Bakker186751d2012-05-08 13:16:14 +0000905 * Moved out_msg to out_hdr + 32 to support hardware acceleration
Paul Bakker4d2c1242012-05-10 14:12:46 +0000906 * Changed certificate verify behaviour to comply with RFC 6125 section 6.3
Paul Bakker5b377842012-05-16 07:57:36 +0000907 to not match CN if subjectAltName extension is present (Closes ticket #56)
Paul Bakker6132d0a2012-07-04 17:10:40 +0000908 * Cipher layer cipher_mode_t POLARSSL_MODE_CFB128 is renamed to
909 POLARSSL_MODE_CFB, to also handle different block size CFB modes.
Paul Bakkerec636f32012-09-09 19:17:02 +0000910 * Removed handling for SSLv2 Client Hello (as per RFC 5246 recommendation)
Paul Bakker0a597072012-09-25 21:55:46 +0000911 * Revamped session resumption handling
Paul Bakkereb2c6582012-09-27 19:15:01 +0000912 * Generalized external private key implementation handling (like PKCS#11)
913 in SSL/TLS
Paul Bakker915275b2012-09-28 07:10:55 +0000914 * Revamped x509_verify() and the SSL f_vrfy callback implementations
Paul Bakker5c2364c2012-10-01 14:41:15 +0000915 * Moved from unsigned long to fixed width uint32_t types throughout code
Paul Bakker645ce3a2012-10-31 12:32:41 +0000916 * Renamed ciphersuites naming scheme to IANA reserved names
Paul Bakker1504af52012-02-11 16:17:43 +0000917
Paul Bakker37824582012-03-22 14:10:22 +0000918Bugfix
Paul Bakker7beceb22012-03-22 14:19:49 +0000919 * Fixed handling error in mpi_cmp_mpi() on longer B values (found by
920 Hui Dong)
Paul Bakker430ffbe2012-05-01 08:14:20 +0000921 * Fixed potential heap corruption in x509_name allocation
Paul Bakker5b377842012-05-16 07:57:36 +0000922 * Fixed single RSA test that failed on Big Endian systems (Closes ticket #54)
Paul Bakkerf6198c12012-05-16 08:02:29 +0000923 * mpi_exp_mod() now correctly handles negative base numbers (Closes ticket
924 #52)
Paul Bakkere6ee41f2012-05-19 08:43:48 +0000925 * Handle encryption with private key and decryption with public key as per
926 RFC 2313
Paul Bakkercefb3962012-06-27 11:51:09 +0000927 * Handle empty certificate subject names
Paul Bakker535e97d2012-08-23 10:49:55 +0000928 * Prevent reading over buffer boundaries on X509 certificate parsing
Paul Bakkerd4c2bd72012-09-16 21:35:30 +0000929 * mpi_add_abs() now correctly handles adding short numbers to long numbers
Paul Bakker995a2152012-09-25 08:19:56 +0000930 with carry rollover (found by Ruslan Yushchenko)
Paul Bakkerb00ca422012-09-25 12:10:00 +0000931 * Handle existence of OpenSSL Trust Extensions at end of X.509 DER blob
Paul Bakker4f024b72012-10-30 07:29:57 +0000932 * Fixed MPI assembly for SPARC64 platform
Paul Bakker37824582012-03-22 14:10:22 +0000933
Paul Bakker452d5322012-04-05 12:07:34 +0000934Security
Paul Bakker3c16db92012-07-05 13:58:08 +0000935 * Fixed potential memory zeroization on miscrafted RSA key (found by Eloi
936 Vanderbeken)
Paul Bakker452d5322012-04-05 12:07:34 +0000937
Paul Bakkerd93d28e2013-10-01 10:12:42 +0200938= Version 1.1.8 released on 2013-10-01
Paul Bakkerc13aab12013-09-26 10:12:19 +0200939Bugfix
940 * Fixed potential memory leak when failing to resume a session
941 * Fixed potential file descriptor leaks
942
943Security
944 * Potential buffer-overflow for ssl_read_record() (independently found by
945 both TrustInSoft and Paul Brodeur of Leviathan Security Group)
946 * Potential negative value misinterpretation in load_file()
947 * Potential heap buffer overflow on large hostname setting
948
Paul Bakker248fff52013-06-24 19:08:50 +0200949= Version 1.1.7 released on 2013-06-19
950Changes
951 * HAVEGE random generator disabled by default
952
953Bugfix
954 * x509parse_crt() now better handles PEM error situations
955 * ssl_parse_certificate() now calls x509parse_crt_der() directly
956 instead of the x509parse_crt() wrapper that can also parse PEM
957 certificates
958 * Fixed values for 2-key Triple DES in cipher layer
959 * ssl_write_certificate_request() can handle empty ca_chain
960
961Security
962 * A possible DoS during the SSL Handshake, due to faulty parsing of
963 PEM-encoded certificates has been fixed (found by Jack Lloyd)
964
965= Version 1.1.6 released on 2013-03-11
966Bugfix
967 * Fixed net_bind() for specified IP addresses on little endian systems
968
969Changes
970 * Allow enabling of dummy error_strerror() to support some use-cases
971 * Debug messages about padding errors during SSL message decryption are
972 disabled by default and can be enabled with POLARSSL_SSL_DEBUG_ALL
973
974Security
975 * Removed timing differences during SSL message decryption in
976 ssl_decrypt_buf()
977 * Removed timing differences due to bad padding from
978 rsa_rsaes_pkcs1_v15_decrypt() and rsa_pkcs1_decrypt() for PKCS#1 v1.5
979 operations
980
Paul Bakker9d2bb652013-01-25 16:07:49 +0100981= Version 1.1.5 released on 2013-01-16
982Bugfix
983 * Fixed MPI assembly for SPARC64 platform
984 * Handle existence of OpenSSL Trust Extensions at end of X.509 DER blob
985 * mpi_add_abs() now correctly handles adding short numbers to long numbers
986 with carry rollover
987 * Moved mpi_inv_mod() outside POLARSSL_GENPRIME
988 * Prevent reading over buffer boundaries on X509 certificate parsing
989 * mpi_exp_mod() now correctly handles negative base numbers (Closes ticket
990 #52)
991 * Fixed possible segfault in mpi_shift_r() (found by Manuel
992 Pégourié-Gonnard)
993 * Allow R and A to point to same mpi in mpi_div_mpi (found by Manuel
994 Pégourié-Gonnard)
995 * Added max length check for rsa_pkcs1_sign with PKCS#1 v2.1
996 * Memory leak when using RSA_PKCS_V21 operations fixed
997 * Handle encryption with private key and decryption with public key as per
998 RFC 2313
999 * Fixes for MSVC6
1000
1001Security
1002 * Fixed potential memory zeroization on miscrafted RSA key (found by Eloi
1003 Vanderbeken)
1004
Paul Bakkerd5834bb2012-10-02 14:38:56 +00001005= Version 1.1.4 released on 2012-05-31
1006Bugfix
1007 * Correctly handle empty SSL/TLS packets (Found by James Yonan)
1008 * Fixed potential heap corruption in x509_name allocation
1009 * Fixed single RSA test that failed on Big Endian systems (Closes ticket #54)
1010
Paul Bakkerfad38932012-05-08 09:04:04 +00001011= Version 1.1.3 released on 2012-04-29
1012Bugfix
1013 * Fixed random MPI generation to not generate more size than requested.
1014
1015= Version 1.1.2 released on 2012-04-26
1016Bugfix
1017 * Fixed handling error in mpi_cmp_mpi() on longer B values (found by
1018 Hui Dong)
1019
1020Security
1021 * Fixed potential memory corruption on miscrafted client messages (found by
1022 Frama-C team at CEA LIST)
1023 * Fixed generation of DHM parameters to correct length (found by Ruslan
1024 Yushchenko)
1025
Paul Bakker99955bf2012-01-23 09:31:41 +00001026= Version 1.1.1 released on 2012-01-23
Paul Bakkerb15b8512012-01-13 13:44:06 +00001027Bugfix
1028 * Check for failed malloc() in ssl_set_hostname() and x509_get_entries()
1029 (Closes ticket #47, found by Hugo Leisink)
Paul Bakker2ec0a562012-01-21 05:41:23 +00001030 * Fixed issues with Intel compiler on 64-bit systems (Closes ticket #50)
Paul Bakker99955bf2012-01-23 09:31:41 +00001031 * Fixed multiple compiler warnings for VS6 and armcc
1032 * Fixed bug in CTR_CRBG selftest
Paul Bakkerb15b8512012-01-13 13:44:06 +00001033
Paul Bakker08a50882011-12-22 09:43:57 +00001034= Version 1.1.0 released on 2011-12-22
Paul Bakker7eb013f2011-10-06 12:37:39 +00001035Features
1036 * Added ssl_session_reset() to allow better multi-connection pools of
1037 SSL contexts without needing to set all non-connection-specific
1038 data and pointers again. Adapted ssl_server to use this functionality.
Paul Bakker490ecc82011-10-06 13:04:09 +00001039 * Added ssl_set_max_version() to allow clients to offer a lower maximum
1040 supported version to a server to help buggy server implementations.
1041 (Closes ticket #36)
Paul Bakker03a30d32011-11-11 10:55:02 +00001042 * Added cipher_get_cipher_mode() and cipher_get_cipher_operation()
1043 introspection functions (Closes ticket #40)
Paul Bakker0e04d0e2011-11-27 14:46:59 +00001044 * Added CTR_DRBG based on AES-256-CTR (NIST SP 800-90) random generator
Paul Bakker6083fd22011-12-03 21:45:14 +00001045 * Added a generic entropy accumulator that provides support for adding
1046 custom entropy sources and added some generic and platform dependent
1047 entropy sources
Paul Bakker7eb013f2011-10-06 12:37:39 +00001048
Paul Bakkerca6f3e22011-10-06 13:11:08 +00001049Changes
1050 * Documentation for AES and Camellia in modes CTR and CFB128 clarified.
Paul Bakkerd246ed32011-10-06 13:18:27 +00001051 * Fixed rsa_encrypt and rsa_decrypt examples to use public key for
1052 encryption and private key for decryption. (Closes ticket #34)
Paul Bakkerc4909d92011-10-12 09:52:22 +00001053 * Inceased maximum size of ASN1 length reads to 32-bits.
Paul Bakkerfbc09f32011-10-12 09:56:41 +00001054 * Added an EXPLICIT tag number parameter to x509_get_ext()
Paul Bakkerb5a11ab2011-10-12 09:58:41 +00001055 * Added a separate CRL entry extension parsing function
Paul Bakkerefc30292011-11-10 14:43:23 +00001056 * Separated the ASN.1 parsing code from the X.509 specific parsing code.
1057 So now there is a module that is controlled with POLARSSL_ASN1_PARSE_C.
Paul Bakker5e18aed2011-11-15 15:38:45 +00001058 * Changed the defined key-length of DES ciphers in cipher.h to include the
1059 parity bits, to prevent mistakes in copying data. (Closes ticket #33)
Paul Bakkercce9d772011-11-18 14:26:47 +00001060 * Loads of minimal changes to better support WINCE as a build target
Paul Bakker2e6d5322011-11-18 14:34:17 +00001061 (Credits go to Marco Lizza)
Paul Bakkerb6d5f082011-11-25 11:52:11 +00001062 * Added POLARSSL_MPI_WINDOW_SIZE definition to allow easier time to memory
1063 trade-off
Paul Bakkerfe3256e2011-11-25 12:11:43 +00001064 * Introduced POLARSSL_MPI_MAX_SIZE and POLARSSL_MPI_MAX_BITS for MPI size
1065 management (Closes ticket #44)
Paul Bakkera3d195c2011-11-27 21:07:34 +00001066 * Changed the used random function pointer to more flexible format. Renamed
1067 havege_rand() to havege_random() to prevent mistakes. Lots of changes as
Paul Bakkera35aa542013-03-06 17:06:21 +01001068 a consequence in library code and programs
Paul Bakker508ad5a2011-12-04 17:09:26 +00001069 * Moved all examples programs to use the new entropy and CTR_DRBG
Paul Bakker6c0ceb32011-12-04 12:24:18 +00001070 * Added permissive certificate parsing to x509parse_crt() and
1071 x509parse_crtfile(). With permissive parsing the parsing does not stop on
Paul Bakkera35aa542013-03-06 17:06:21 +01001072 encountering a parse-error. Beware that the meaning of return values has
1073 changed!
Paul Bakker69e095c2011-12-10 21:55:01 +00001074 * All error codes are now negative. Even on mermory failures and IO errors.
Paul Bakkerca6f3e22011-10-06 13:11:08 +00001075
Paul Bakkerfa1c5922011-10-06 14:18:49 +00001076Bugfix
1077 * Fixed faulty HMAC-MD2 implementation. Found by dibac. (Closes
1078 ticket #37)
Paul Bakker3329d1f2011-10-12 09:55:01 +00001079 * Fixed a bug where the CRL parser expected an EXPLICIT ASN.1 tag
1080 before version numbers
Paul Bakkercebdf172011-11-11 15:01:31 +00001081 * Allowed X509 key usage parsing to accept 4 byte values instead of the
1082 standard 1 byte version sometimes used by Microsoft. (Closes ticket #38)
Paul Bakker1fe7d9b2011-11-15 15:26:03 +00001083 * Fixed incorrect behaviour in case of RSASSA-PSS with a salt length
1084 smaller than the hash length. (Closes ticket #41)
Paul Bakker03c7c252011-11-25 12:37:37 +00001085 * If certificate serial is longer than 32 octets, serial number is now
1086 appended with '....' after first 28 octets
Paul Bakker44637402011-11-26 09:23:07 +00001087 * Improved build support for s390x and sparc64 in bignum.h
Paul Bakker4f5ae802011-12-04 22:10:28 +00001088 * Fixed MS Visual C++ name clash with int64 in sha4.h
Paul Bakkerc50132d2011-12-05 14:38:36 +00001089 * Corrected removal of leading "00:" in printing serial numbers in
Paul Bakkerc8ffbe72011-12-05 14:22:49 +00001090 certificates and CRLs
Paul Bakkerfa1c5922011-10-06 14:18:49 +00001091
Paul Bakker968bc982011-07-27 17:03:00 +00001092= Version 1.0.0 released on 2011-07-27
Paul Bakker343a8702011-06-09 14:27:58 +00001093Features
1094 * Expanded cipher layer with support for CFB128 and CTR mode
Paul Bakker7bc05ff2011-08-09 10:30:36 +00001095 * Added rsa_encrypt and rsa_decrypt simple example programs.
Paul Bakker343a8702011-06-09 14:27:58 +00001096
Paul Bakker42e59812011-06-09 15:55:41 +00001097Changes
1098 * The generic cipher and message digest layer now have normal error
1099 codes instead of integers
1100
Paul Bakker887bd502011-06-08 13:10:54 +00001101Bugfix
1102 * Undid faulty bug fix in ssl_write() when flushing old data (Ticket
1103 #18)
1104
Paul Bakker828acb22011-05-27 09:25:42 +00001105= Version 0.99-pre5 released on 2011-05-26
Paul Bakkerb6ecaf52011-04-19 14:29:23 +00001106Features
1107 * Added additional Cipher Block Modes to symmetric ciphers
1108 (AES CTR, Camellia CTR, XTEA CBC) including the option to
Paul Bakkera35aa542013-03-06 17:06:21 +01001109 enable and disable individual modes when needed
Paul Bakker335db3f2011-04-25 15:28:35 +00001110 * Functions requiring File System functions can now be disabled
1111 by undefining POLARSSL_FS_IO
Paul Bakker9d781402011-05-09 16:17:09 +00001112 * A error_strerror function() has been added to translate between
1113 error codes and their description.
Paul Bakker2f5947e2011-05-18 15:47:11 +00001114 * Added mpi_get_bit() and mpi_set_bit() individual bit setter/getter
1115 functions.
Paul Bakker1496d382011-05-23 12:07:29 +00001116 * Added ssl_mail_client and ssl_fork_server as example programs.
Paul Bakkerb6ecaf52011-04-19 14:29:23 +00001117
Paul Bakker23986e52011-04-24 08:57:21 +00001118Changes
1119 * Major argument / variable rewrite. Introduced use of size_t
1120 instead of int for buffer lengths and loop variables for
Paul Bakkera35aa542013-03-06 17:06:21 +01001121 better unsigned / signed use. Renamed internal bigint types
1122 t_int and t_dbl to t_uint and t_udbl in the process
Paul Bakker6c591fa2011-05-05 11:49:20 +00001123 * mpi_init() and mpi_free() now only accept a single MPI
1124 argument and do not accept variable argument lists anymore.
Paul Bakker9d781402011-05-09 16:17:09 +00001125 * The error codes have been remapped and combining error codes
1126 is now done with a PLUS instead of an OR as error codes
Paul Bakkera35aa542013-03-06 17:06:21 +01001127 used are negative.
Paul Bakker831a7552011-05-18 13:32:51 +00001128 * Changed behaviour of net_read(), ssl_fetch_input() and ssl_recv().
1129 net_recv() now returns 0 on EOF instead of
Paul Bakkera35aa542013-03-06 17:06:21 +01001130 POLARSSL_ERR_NET_CONN_RESET. ssl_fetch_input() returns
1131 POLARSSL_ERR_SSL_CONN_EOF on an EOF from its f_recv() function.
1132 ssl_read() returns 0 if a POLARSSL_ERR_SSL_CONN_EOF is received
1133 after the handshake.
Paul Bakker831a7552011-05-18 13:32:51 +00001134 * Network functions now return POLARSSL_ERR_NET_WANT_READ or
1135 POLARSSL_ERR_NET_WANT_WRITE instead of the ambiguous
Paul Bakkera35aa542013-03-06 17:06:21 +01001136 POLARSSL_ERR_NET_TRY_AGAIN
Paul Bakker23986e52011-04-24 08:57:21 +00001137
Paul Bakker3efa5752011-04-01 12:23:26 +00001138= Version 0.99-pre4 released on 2011-04-01
Paul Bakker9dcc3222011-03-08 14:16:06 +00001139Features
1140 * Added support for PKCS#1 v2.1 encoding and thus support
1141 for the RSAES-OAEP and RSASSA-PSS operations.
Paul Bakkere77db2e2011-03-25 14:01:32 +00001142 * Reading of Public Key files incorporated into default x509
1143 functionality as well.
Paul Bakker287781a2011-03-26 13:18:49 +00001144 * Added mpi_fill_random() for centralized filling of big numbers
1145 with random data (Fixed ticket #10)
Paul Bakker9dcc3222011-03-08 14:16:06 +00001146
Paul Bakkerbe4e7dc2011-03-14 20:41:31 +00001147Changes
1148 * Debug print of MPI now removes leading zero octets and
1149 displays actual bit size of the value.
Paul Bakker98675492011-03-26 13:17:12 +00001150 * x509parse_key() (and as a consequence x509parse_keyfile())
1151 does not zeroize memory in advance anymore. Use rsa_init()
Paul Bakkera35aa542013-03-06 17:06:21 +01001152 before parsing a key or keyfile!
Paul Bakkerbe4e7dc2011-03-14 20:41:31 +00001153
1154Bugfix
1155 * Debug output of MPI's now the same independent of underlying
1156 platform (32-bit / 64-bit) (Fixes ticket #19, found by Mads
Paul Bakkera35aa542013-03-06 17:06:21 +01001157 Kiilerich and Mihai Militaru)
Paul Bakker1fd00bf2011-03-14 20:50:15 +00001158 * Fixed bug in ssl_write() when flushing old data (Fixed ticket
1159 #18, found by Nikolay Epifanov)
Paul Bakkere77db2e2011-03-25 14:01:32 +00001160 * Fixed proper handling of RSASSA-PSS verification with variable
1161 length salt lengths
Paul Bakkerbe4e7dc2011-03-14 20:41:31 +00001162
Paul Bakker345a6fe2011-02-28 21:20:02 +00001163= Version 0.99-pre3 released on 2011-02-28
1164This release replaces version 0.99-pre2 which had possible copyright issues.
Paul Bakker96743fc2011-02-12 14:30:57 +00001165Features
1166 * Parsing PEM private keys encrypted with DES and AES
1167 are now supported as well (Fixes ticket #5)
Paul Bakkera9507c02011-02-12 15:27:28 +00001168 * Added crl_app program to allow easy reading and
1169 printing of X509 CRLs from file
Paul Bakker96743fc2011-02-12 14:30:57 +00001170
1171Changes
1172 * Parsing of PEM files moved to separate module (Fixes
1173 ticket #13). Also possible to remove PEM support for
Paul Bakkera35aa542013-03-06 17:06:21 +01001174 systems only using DER encoding
Paul Bakker96743fc2011-02-12 14:30:57 +00001175
Paul Bakker400ff6f2011-02-20 10:40:16 +00001176Bugfixes
1177 * Corrected parsing of UTCTime dates before 1990 and
1178 after 1950
1179 * Support more exotic OID's when parsing certificates
Paul Bakkere2a39cc2011-02-20 13:49:27 +00001180 (found by Mads Kiilerich)
Paul Bakker400ff6f2011-02-20 10:40:16 +00001181 * Support more exotic name representations when parsing
Paul Bakkere2a39cc2011-02-20 13:49:27 +00001182 certificates (found by Mads Kiilerich)
Paul Bakker400ff6f2011-02-20 10:40:16 +00001183 * Replaced the expired test certificates
Paul Bakkere2a39cc2011-02-20 13:49:27 +00001184 * Do not bail out if no client certificate specified. Try
1185 to negotiate anonymous connection (Fixes ticket #12,
Paul Bakkera35aa542013-03-06 17:06:21 +01001186 found by Boris Krasnovskiy)
Paul Bakker400ff6f2011-02-20 10:40:16 +00001187
Paul Bakker345a6fe2011-02-28 21:20:02 +00001188Security fixes
1189 * Fixed a possible Man-in-the-Middle attack on the
1190 Diffie Hellman key exchange (thanks to Larry Highsmith,
Paul Bakkera35aa542013-03-06 17:06:21 +01001191 Subreption LLC)
Paul Bakker345a6fe2011-02-28 21:20:02 +00001192
Paul Bakker9fc46592011-01-30 16:59:02 +00001193= Version 0.99-pre1 released on 2011-01-30
Paul Bakker37ca75d2011-01-06 12:28:03 +00001194Features
Paul Bakkerb63b0af2011-01-13 17:54:59 +00001195Note: Most of these features have been donated by Fox-IT
1196 * Added Doxygen source code documentation parts
Paul Bakker1b57b062011-01-06 15:48:19 +00001197 * Added reading of DHM context from memory and file
Paul Bakker74111d32011-01-15 16:57:55 +00001198 * Improved X509 certificate parsing to include extended
Paul Bakker76fd75a2011-01-16 21:12:10 +00001199 certificate fields, including Key Usage
1200 * Improved certificate verification and verification
1201 against the available CRLs
Paul Bakker1f87fb62011-01-15 17:32:24 +00001202 * Detection for DES weak keys and parity bits added
Paul Bakker72f62662011-01-16 21:27:44 +00001203 * Improvements to support integration in other
1204 applications:
1205 + Added generic message digest and cipher wrapper
1206 + Improved information about current capabilities,
1207 status, objects and configuration
1208 + Added verification callback on certificate chain
1209 verification to allow external blacklisting
Paul Bakker20a78082011-01-21 09:32:12 +00001210 + Additional example programs to show usage
Paul Bakker43b7e352011-01-18 15:27:19 +00001211 * Added support for PKCS#11 through the use of the
1212 libpkcs11-helper library
Paul Bakker37ca75d2011-01-06 12:28:03 +00001213
Paul Bakkerb6194992011-01-16 21:40:22 +00001214Changes
1215 * x509parse_time_expired() checks time in addition to
1216 the existing date check
Paul Bakkere3166ce2011-01-27 17:40:50 +00001217 * The ciphers member of ssl_context and the cipher member
1218 of ssl_session have been renamed to ciphersuites and
Paul Bakkera35aa542013-03-06 17:06:21 +01001219 ciphersuite respectively. This clarifies the difference
1220 with the generic cipher layer and is better naming
1221 altogether
Paul Bakkerb6194992011-01-16 21:40:22 +00001222
Paul Bakker99ed6782011-01-05 14:48:42 +00001223= Version 0.14.0 released on 2010-08-16
1224Features
1225 * Added support for SSL_EDH_RSA_AES_128_SHA and
1226 SSL_EDH_RSA_CAMELLIA_128_SHA ciphersuites
1227 * Added compile-time and run-time version information
1228 * Expanded ssl_client2 arguments for more flexibility
1229 * Added support for TLS v1.1
1230
1231Changes
1232 * Made Makefile cleaner
1233 * Removed dependency on rand() in rsa_pkcs1_encrypt().
1234 Now using random fuction provided to function and
Paul Bakkera35aa542013-03-06 17:06:21 +01001235 changed the prototype of rsa_pkcs1_encrypt(),
1236 rsa_init() and rsa_gen_key().
Paul Bakker99ed6782011-01-05 14:48:42 +00001237 * Some SSL defines were renamed in order to avoid
1238 future confusion
1239
1240Bug fixes
1241 * Fixed CMake out of source build for tests (found by
1242 kkert)
1243 * rsa_check_private() now supports PKCS1v2 keys as well
1244 * Fixed deadlock in rsa_pkcs1_encrypt() on failing random
1245 generator
1246
1247= Version 0.13.1 released on 2010-03-24
1248Bug fixes
1249 * Fixed Makefile in library that was mistakenly merged
1250 * Added missing const string fixes
1251
1252= Version 0.13.0 released on 2010-03-21
1253Features
1254 * Added option parsing for host and port selection to
1255 ssl_client2
1256 * Added support for GeneralizedTime in X509 parsing
1257 * Added cert_app program to allow easy reading and
1258 printing of X509 certificates from file or SSL
1259 connection.
1260
1261Changes
1262 * Added const correctness for main code base
1263 * X509 signature algorithm determination is now
1264 in a function to allow easy future expansion
1265 * Changed symmetric cipher functions to
1266 identical interface (returning int result values)
Paul Bakker60b1d102013-10-29 10:02:51 +01001267 * Changed ARC4 to use separate input/output buffer
Paul Bakker99ed6782011-01-05 14:48:42 +00001268 * Added reset function for HMAC context as speed-up
1269 for specific use-cases
1270
1271Bug fixes
1272 * Fixed bug resulting in failure to send the last
1273 certificate in the chain in ssl_write_certificate() and
1274 ssl_write_certificate_request() (found by fatbob)
1275 * Added small fixes for compiler warnings on a Mac
1276 (found by Frank de Brabander)
1277 * Fixed algorithmic bug in mpi_is_prime() (found by
1278 Smbat Tonoyan)
1279
1280= Version 0.12.1 released on 2009-10-04
1281Changes
1282 * Coverage test definitions now support 'depends_on'
1283 tagging system.
1284 * Tests requiring specific hashing algorithms now honor
1285 the defines.
1286
1287Bug fixes
1288 * Changed typo in #ifdef in x509parse.c (found
1289 by Eduardo)
1290
1291= Version 0.12.0 released on 2009-07-28
1292Features
1293 * Added CMake makefiles as alternative to regular Makefiles.
1294 * Added preliminary Code Coverage tests for AES, ARC4,
1295 Base64, MPI, SHA-family, MD-family, HMAC-SHA-family,
1296 Camellia, DES, 3-DES, RSA PKCS#1, XTEA, Diffie-Hellman
1297 and X509parse.
1298
1299Changes
1300 * Error codes are not (necessarily) negative. Keep
1301 this is mind when checking for errors.
1302 * RSA_RAW renamed to SIG_RSA_RAW for consistency.
1303 * Fixed typo in name of POLARSSL_ERR_RSA_OUTPUT_TOO_LARGE.
1304 * Changed interface for AES and Camellia setkey functions
1305 to indicate invalid key lengths.
1306
1307Bug fixes
1308 * Fixed include location of endian.h on FreeBSD (found by
1309 Gabriel)
1310 * Fixed include location of endian.h and name clash on
1311 Apples (found by Martin van Hensbergen)
1312 * Fixed HMAC-MD2 by modifying md2_starts(), so that the
1313 required HMAC ipad and opad variables are not cleared.
1314 (found by code coverage tests)
1315 * Prevented use of long long in bignum if
1316 POLARSSL_HAVE_LONGLONG not defined (found by Giles
1317 Bathgate).
1318 * Fixed incorrect handling of negative strings in
1319 mpi_read_string() (found by code coverage tests).
1320 * Fixed segfault on handling empty rsa_context in
1321 rsa_check_pubkey() and rsa_check_privkey() (found by
1322 code coverage tests).
1323 * Fixed incorrect handling of one single negative input
1324 value in mpi_add_abs() (found by code coverage tests).
1325 * Fixed incorrect handling of negative first input
1326 value in mpi_sub_abs() (found by code coverage tests).
1327 * Fixed incorrect handling of negative first input
1328 value in mpi_mod_mpi() and mpi_mod_int(). Resulting
1329 change also affects mpi_write_string() (found by code
1330 coverage tests).
1331 * Corrected is_prime() results for 0, 1 and 2 (found by
1332 code coverage tests).
1333 * Fixed Camellia and XTEA for 64-bit Windows systems.
1334
1335= Version 0.11.1 released on 2009-05-17
1336 * Fixed missing functionality for SHA-224, SHA-256, SHA384,
1337 SHA-512 in rsa_pkcs1_sign()
1338
1339= Version 0.11.0 released on 2009-05-03
1340 * Fixed a bug in mpi_gcd() so that it also works when both
1341 input numbers are even and added testcases to check
1342 (found by Pierre Habouzit).
1343 * Added support for SHA-224, SHA-256, SHA-384 and SHA-512
1344 one way hash functions with the PKCS#1 v1.5 signing and
1345 verification.
1346 * Fixed minor bug regarding mpi_gcd located within the
1347 POLARSSL_GENPRIME block.
1348 * Fixed minor memory leak in x509parse_crt() and added better
1349 handling of 'full' certificate chains (found by Mathias
1350 Olsson).
1351 * Centralized file opening and reading for x509 files into
1352 load_file()
1353 * Made definition of net_htons() endian-clean for big endian
1354 systems (Found by Gernot).
1355 * Undefining POLARSSL_HAVE_ASM now also handles prevents asm in
1356 padlock and timing code.
1357 * Fixed an off-by-one buffer allocation in ssl_set_hostname()
1358 responsible for crashes and unwanted behaviour.
1359 * Added support for Certificate Revocation List (CRL) parsing.
1360 * Added support for CRL revocation to x509parse_verify() and
1361 SSL/TLS code.
1362 * Fixed compatibility of XTEA and Camellia on a 64-bit system
1363 (found by Felix von Leitner).
1364
1365= Version 0.10.0 released on 2009-01-12
1366 * Migrated XySSL to PolarSSL
1367 * Added XTEA symmetric cipher
1368 * Added Camellia symmetric cipher
1369 * Added support for ciphersuites: SSL_RSA_CAMELLIA_128_SHA,
1370 SSL_RSA_CAMELLIA_256_SHA and SSL_EDH_RSA_CAMELLIA_256_SHA
1371 * Fixed dangerous bug that can cause a heap overflow in
1372 rsa_pkcs1_decrypt (found by Christophe Devine)
1373
1374================================================================
1375XySSL ChangeLog
1376
1377= Version 0.9 released on 2008-03-16
1378
1379 * Added support for ciphersuite: SSL_RSA_AES_128_SHA
1380 * Enabled support for large files by default in aescrypt2.c
1381 * Preliminary openssl wrapper contributed by David Barrett
1382 * Fixed a bug in ssl_write() that caused the same payload to
1383 be sent twice in non-blocking mode when send returns EAGAIN
1384 * Fixed ssl_parse_client_hello(): session id and challenge must
1385 not be swapped in the SSLv2 ClientHello (found by Greg Robson)
1386 * Added user-defined callback debug function (Krystian Kolodziej)
1387 * Before freeing a certificate, properly zero out all cert. data
1388 * Fixed the "mode" parameter so that encryption/decryption are
1389 not swapped on PadLock; also fixed compilation on older versions
1390 of gcc (bug reported by David Barrett)
1391 * Correctly handle the case in padlock_xcryptcbc() when input or
1392 ouput data is non-aligned by falling back to the software
1393 implementation, as VIA Nehemiah cannot handle non-aligned buffers
1394 * Fixed a memory leak in x509parse_crt() which was reported by Greg
1395 Robson-Garth; some x509write.c fixes by Pascal Vizeli, thanks to
1396 Matthew Page who reported several bugs
1397 * Fixed x509_get_ext() to accept some rare certificates which have
1398 an INTEGER instead of a BOOLEAN for BasicConstraints::cA.
1399 * Added support on the client side for the TLS "hostname" extension
1400 (patch contributed by David Patino)
1401 * Make x509parse_verify() return BADCERT_CN_MISMATCH when an empty
1402 string is passed as the CN (bug reported by spoofy)
1403 * Added an option to enable/disable the BN assembly code
1404 * Updated rsa_check_privkey() to verify that (D*E) = 1 % (P-1)*(Q-1)
1405 * Disabled obsolete hash functions by default (MD2, MD4); updated
1406 selftest and benchmark to not test ciphers that have been disabled
1407 * Updated x509parse_cert_info() to correctly display byte 0 of the
1408 serial number, setup correct server port in the ssl client example
1409 * Fixed a critical denial-of-service with X.509 cert. verification:
1410 peer may cause xyssl to loop indefinitely by sending a certificate
1411 for which the RSA signature check fails (bug reported by Benoit)
1412 * Added test vectors for: AES-CBC, AES-CFB, DES-CBC and 3DES-CBC,
1413 HMAC-MD5, HMAC-SHA1, HMAC-SHA-256, HMAC-SHA-384, and HMAC-SHA-512
1414 * Fixed HMAC-SHA-384 and HMAC-SHA-512 (thanks to Josh Sinykin)
1415 * Modified ssl_parse_client_key_exchange() to protect against
1416 Daniel Bleichenbacher attack on PKCS#1 v1.5 padding, as well
1417 as the Klima-Pokorny-Rosa extension of Bleichenbacher's attack
1418 * Updated rsa_gen_key() so that ctx->N is always nbits in size
1419 * Fixed assembly PPC compilation errors on Mac OS X, thanks to
1420 David Barrett and Dusan Semen
1421
1422= Version 0.8 released on 2007-10-20
1423
1424 * Modified the HMAC functions to handle keys larger
1425 than 64 bytes, thanks to Stephane Desneux and gary ng
1426 * Fixed ssl_read_record() to properly update the handshake
1427 message digests, which fixes IE6/IE7 client authentication
1428 * Cleaned up the XYSSL* #defines, suggested by Azriel Fasten
1429 * Fixed net_recv(), thanks to Lorenz Schori and Egon Kocjan
1430 * Added user-defined callbacks for handling I/O and sessions
1431 * Added lots of debugging output in the SSL/TLS functions
1432 * Added preliminary X.509 cert. writing by Pascal Vizeli
1433 * Added preliminary support for the VIA PadLock routines
1434 * Added AES-CFB mode of operation, contributed by chmike
1435 * Added an SSL/TLS stress testing program (ssl_test.c)
1436 * Updated the RSA PKCS#1 code to allow choosing between
1437 RSA_PUBLIC and RSA_PRIVATE, as suggested by David Barrett
1438 * Updated ssl_read() to skip 0-length records from OpenSSL
1439 * Fixed the make install target to comply with *BSD make
1440 * Fixed a bug in mpi_read_binary() on 64-bit platforms
1441 * mpi_is_prime() speedups, thanks to Kevin McLaughlin
1442 * Fixed a long standing memory leak in mpi_is_prime()
1443 * Replaced realloc with malloc in mpi_grow(), and set
1444 the sign of zero as positive in mpi_init() (reported
1445 by Jonathan M. McCune)
1446
1447= Version 0.7 released on 2007-07-07
1448
1449 * Added support for the MicroBlaze soft-core processor
1450 * Fixed a bug in ssl_tls.c which sometimes prevented SSL
1451 connections from being established with non-blocking I/O
1452 * Fixed a couple bugs in the VS6 and UNIX Makefiles
1453 * Fixed the "PIC register ebx clobbered in asm" bug
1454 * Added HMAC starts/update/finish support functions
1455 * Added the SHA-224, SHA-384 and SHA-512 hash functions
1456 * Fixed the net_set_*block routines, thanks to Andreas
1457 * Added a few demonstration programs: md5sum, sha1sum,
1458 dh_client, dh_server, rsa_genkey, rsa_sign, rsa_verify
1459 * Added new bignum import and export helper functions
1460 * Rewrote README.txt in program/ssl/ca to better explain
1461 how to create a test PKI
1462
1463= Version 0.6 released on 2007-04-01
1464
1465 * Ciphers used in SSL/TLS can now be disabled at compile
1466 time, to reduce the memory footprint on embedded systems
1467 * Added multiply assembly code for the TriCore and modified
1468 havege_struct for this processor, thanks to David Patiño
1469 * Added multiply assembly code for 64-bit PowerPCs,
1470 thanks to Peking University and the OSU Open Source Lab
1471 * Added experimental support of Quantum Cryptography
1472 * Added support for autoconf, contributed by Arnaud Cornet
1473 * Fixed "long long" compilation issues on IA-64 and PPC64
1474 * Fixed a bug introduced in xyssl-0.5/timing.c: hardclock
1475 was not being correctly defined on ARM and MIPS
1476
1477= Version 0.5 released on 2007-03-01
1478
1479 * Added multiply assembly code for SPARC and Alpha
1480 * Added (beta) support for non-blocking I/O operations
1481 * Implemented session resuming and client authentication
1482 * Fixed some portability issues on WinCE, MINIX 3, Plan9
1483 (thanks to Benjamin Newman), HP-UX, FreeBSD and Solaris
1484 * Improved the performance of the EDH key exchange
1485 * Fixed a bug that caused valid packets with a payload
1486 size of 16384 bytes to be rejected
1487
1488= Version 0.4 released on 2007-02-01
1489
1490 * Added support for Ephemeral Diffie-Hellman key exchange
1491 * Added multiply asm code for SSE2, ARM, PPC, MIPS and M68K
1492 * Various improvement to the modular exponentiation code
1493 * Rewrote the headers to generate the API docs with doxygen
1494 * Fixed a bug in ssl_encrypt_buf (incorrect padding was
1495 generated) and in ssl_parse_client_hello (max. client
1496 version was not properly set), thanks to Didier Rebeix
1497 * Fixed another bug in ssl_parse_client_hello: clients with
1498 cipherlists larger than 96 bytes were incorrectly rejected
1499 * Fixed a couple memory leak in x509_read.c
1500
1501= Version 0.3 released on 2007-01-01
1502
1503 * Added server-side SSLv3 and TLSv1.0 support
1504 * Multiple fixes to enhance the compatibility with g++,
1505 thanks to Xosé Antón Otero Ferreira
1506 * Fixed a bug in the CBC code, thanks to dowst; also,
Paul Bakker60b1d102013-10-29 10:02:51 +01001507 the bignum code is no longer dependent on long long
Paul Bakker99ed6782011-01-05 14:48:42 +00001508 * Updated rsa_pkcs1_sign to handle arbitrary large inputs
1509 * Updated timing.c for improved compatibility with i386
1510 and 486 processors, thanks to Arnaud Cornet
1511
1512= Version 0.2 released on 2006-12-01
1513
1514 * Updated timing.c to support ARM and MIPS arch
1515 * Updated the MPI code to support 8086 on MSVC 1.5
1516 * Added the copyright notice at the top of havege.h
1517 * Fixed a bug in sha2_hmac, thanks to newsoft/Wenfang Zhang
1518 * Fixed a bug reported by Adrian Rüegsegger in x509_read_key
1519 * Fixed a bug reported by Torsten Lauter in ssl_read_record
1520 * Fixed a bug in rsa_check_privkey that would wrongly cause
1521 valid RSA keys to be dismissed (thanks to oldwolf)
1522 * Fixed a bug in mpi_is_prime that caused some primes to fail
1523 the Miller-Rabin primality test
1524
1525 I'd also like to thank Younès Hafri for the CRUX linux port,
1526 Khalil Petit who added XySSL into pkgsrc and Arnaud Cornet
1527 who maintains the Debian package :-)
1528
1529= Version 0.1 released on 2006-11-01
1530