blob: f322a7567b31fc565751a5a8324904619df8b2a5 [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-Gonnard07ec1dd2015-04-03 17:26:50 +0200102 * Fix bug related to ssl_set_curves(): the client didn't check that the
103 curve picked by the server was actually allowed.
Manuel Pégourié-Gonnard7bf19762015-02-10 10:09:37 +0000104
105Changes
Manuel Pégourié-Gonnard40f315a2015-03-13 13:49:26 +0000106 * Adjusting/overriding CFLAGS and LDFLAGS with the make build syste is now
107 more flexible (warning: OFLAGS is not used any more) (see the README)
108 (contributed by Alon Bar-Lev).
Manuel Pégourié-Gonnardf427f882015-03-10 15:35:29 +0000109 * ssl_set_own_cert() now longers calls pk_check_pair() since the
110 performance impact was bad for some users (this was introduced in 1.3.10).
Manuel Pégourié-Gonnard6f60cd82015-02-10 10:47:03 +0000111 * Move from SHA-1 to SHA-256 in example programs using signatures
112 (suggested by Thorsten Mühlfelder).
Manuel Pégourié-Gonnard677af932015-02-10 11:41:57 +0000113 * Remove some unneeded inclusions of header files from the standard library
114 "minimize" others (eg use stddef.h if only size_t is needed).
115 * Change #include lines in test files to use double quotes instead of angle
116 brackets for uniformity with the rest of the code.
Manuel Pégourié-Gonnard00c22012015-02-13 15:14:10 +0000117 * Remove dependency on sscanf() in X.509 parsing modules.
Manuel Pégourié-Gonnard178f9d62014-10-20 14:56:56 +0200118
Paul Bakkerdaae3b72015-02-08 15:49:54 +0100119= mbed TLS 1.3.10 released 2015-02-09
Manuel Pégourié-Gonnard547ff662014-11-26 15:42:16 +0100120Security
121 * NULL pointer dereference in the buffer-based allocator when the buffer is
Manuel Pégourié-Gonnardee7d5992015-01-28 14:02:38 +0000122 full and polarssl_free() is called (found by Mark Hasemeyer)
Manuel Pégourié-Gonnard547ff662014-11-26 15:42:16 +0100123 (only possible if POLARSSL_MEMORY_BUFFER_ALLOC_C is enabled, which it is
124 not by default).
Manuel Pégourié-Gonnard0369a522014-11-11 22:17:26 +0100125 * Fix remotely-triggerable uninitialised pointer dereference caused by
Manuel Pégourié-Gonnardd6814432014-11-12 01:25:31 +0100126 crafted X.509 certificate (TLS server is not affected if it doesn't ask for a
Manuel Pégourié-Gonnard0369a522014-11-11 22:17:26 +0100127 client certificate) (found using Codenomicon Defensics).
Manuel Pégourié-Gonnardb1340602014-11-11 23:11:16 +0100128 * Fix remotely-triggerable memory leak caused by crafted X.509 certificates
Manuel Pégourié-Gonnardd6814432014-11-12 01:25:31 +0100129 (TLS server is not affected if it doesn't ask for a client certificate)
130 (found using Codenomicon Defensics).
131 * Fix potential stack overflow while parsing crafted X.509 certificates
132 (TLS server is not affected if it doesn't ask for a client certificate)
Manuel Pégourié-Gonnardb1340602014-11-11 23:11:16 +0100133 (found using Codenomicon Defensics).
Manuel Pégourié-Gonnard6674cce2015-02-06 10:30:58 +0000134 * Fix timing difference that could theoretically lead to a
135 Bleichenbacher-style attack in the RSA and RSA-PSK key exchanges
136 (reported by Sebastian Schinzel).
Manuel Pégourié-Gonnard0369a522014-11-11 22:17:26 +0100137
Manuel Pégourié-Gonnardde171252014-11-08 17:58:24 +0100138Features
Manuel Pégourié-Gonnardd1a878c2015-01-14 16:59:23 +0100139 * Add support for FALLBACK_SCSV (draft-ietf-tls-downgrade-scsv).
140 * Add support for Extended Master Secret (draft-ietf-tls-session-hash).
141 * Add support for Encrypt-then-MAC (RFC 7366).
Manuel Pégourié-Gonnardde171252014-11-08 17:58:24 +0100142 * Add function pk_check_pair() to test if public and private keys match.
Manuel Pégourié-Gonnard426d4ae2014-11-19 16:58:28 +0100143 * Add x509_crl_parse_der().
Manuel Pégourié-Gonnardfd6c85c2014-11-20 16:34:20 +0100144 * Add compile-time option POLARSSL_X509_MAX_INTERMEDIATE_CA to limit the
145 length of an X.509 verification chain.
Manuel Pégourié-Gonnardfa423882014-11-04 19:57:55 +0100146 * Support for renegotiation can now be disabled at compile-time
Manuel Pégourié-Gonnard3ff78232015-01-08 11:15:09 +0100147 * Support for 1/n-1 record splitting, a countermeasure against BEAST.
Manuel Pégourié-Gonnarddf331a52015-01-08 16:43:07 +0100148 * Certificate selection based on signature hash, prefering SHA-1 over SHA-2
149 for pre-1.2 clients when multiple certificates are available.
Manuel Pégourié-Gonnard18292452015-01-09 14:34:13 +0100150 * Add support for getrandom() syscall on recent Linux kernels with Glibc or
151 a compatible enough libc (eg uClibc).
Manuel Pégourié-Gonnardd1a878c2015-01-14 16:59:23 +0100152 * Add ssl_set_arc4_support() to make it easier to disable RC4 at runtime
Manuel Pégourié-Gonnardbd47a582015-01-12 13:43:29 +0100153 while using the default ciphersuite list.
Manuel Pégourié-Gonnard607d6632015-01-26 11:17:20 +0000154 * Added new error codes and debug messages about selection of
155 ciphersuite/certificate.
Manuel Pégourié-Gonnard547ff662014-11-26 15:42:16 +0100156
Manuel Pégourié-Gonnard5cb4b312014-11-25 17:41:50 +0100157Bugfix
158 * Stack buffer overflow if ctr_drbg_update() is called with too large
159 add_len (found by Jean-Philippe Aumasson) (not triggerable remotely).
Manuel Pégourié-Gonnard5dd28ea2014-11-27 13:57:42 +0100160 * Possible buffer overflow of length at most POLARSSL_MEMORY_ALIGN_MULTIPLE
161 if memory_buffer_alloc_init() was called with buf not aligned and len not
Manuel Pégourié-Gonnardd1a878c2015-01-14 16:59:23 +0100162 a multiple of POLARSSL_MEMORY_ALIGN_MULTIPLE (not triggerable remotely).
163 * User set CFLAGS were ignored by Cmake with gcc (introduced in 1.3.9, found
Manuel Pégourié-Gonnard54f6e562014-11-10 12:15:39 +0100164 by Julian Ospald).
Manuel Pégourié-Gonnardb31b61b2014-11-10 13:05:43 +0100165 * Fix potential undefined behaviour in Camellia.
Manuel Pégourié-Gonnarde9599792014-11-10 13:43:55 +0100166 * Fix potential failure in ECDSA signatures when POLARSSL_ECP_MAX_BITS is a
167 multiple of 8 (found by Gergely Budai).
Manuel Pégourié-Gonnardacdb9b92015-01-23 17:50:34 +0000168 * Fix unchecked return code in x509_crt_parse_path() on Windows (found by
169 Peter Vaskovic).
Manuel Pégourié-Gonnard9d7fc162015-01-19 17:16:54 +0000170 * Fix assembly selection for MIPS64 (thanks to James Cowgill).
Manuel Pégourié-Gonnarde89163c2015-01-23 14:30:57 +0000171 * ssl_get_verify_result() now works even if the handshake was aborted due
172 to a failed verification (found by Fredrik Axelsson).
Manuel Pégourié-Gonnardf3046ef2015-01-28 14:13:30 +0000173 * Skip writing and parsing signature_algorithm extension if none of the
174 key exchanges enabled needs certificates. This fixes a possible interop
175 issue with some servers when a zero-length extension was sent. (Reported
176 by Peter Dettman.)
Manuel Pégourié-Gonnardaa422b22015-02-02 09:30:45 +0000177 * On a 0-length input, base64_encode() did not correctly set output length
178 (found by Hendrik van den Boogaard).
Manuel Pégourié-Gonnard54f6e562014-11-10 12:15:39 +0100179
Manuel Pégourié-Gonnardd056ce02014-10-29 22:29:20 +0100180Changes
181 * Use deterministic nonces for AEAD ciphers in TLS by default (possible to
182 switch back to random with POLARSSL_SSL_AEAD_RANDOM_IV in config.h).
Manuel Pégourié-Gonnarde10e06d2014-11-06 18:15:12 +0100183 * Blind RSA private operations even when POLARSSL_RSA_NO_CRT is defined.
Manuel Pégourié-Gonnardde171252014-11-08 17:58:24 +0100184 * ssl_set_own_cert() now returns an error on key-certificate mismatch.
Manuel Pégourié-Gonnard8a5e3d42014-11-12 17:47:28 +0100185 * Forbid repeated extensions in X.509 certificates.
Manuel Pégourié-Gonnard8c9223d2014-11-19 10:17:21 +0100186 * debug_print_buf() now prints a text view in addition to hexadecimal.
Manuel Pégourié-Gonnardf01768c2015-01-08 17:06:16 +0100187 * A specific error is now returned when there are ciphersuites in common
188 but none of them is usable due to external factors such as no certificate
Paul Bakkere522d0f2015-01-14 16:12:48 +0100189 with a suitable (extended)KeyUsage or curve or no PSK set.
Manuel Pégourié-Gonnardd1a878c2015-01-14 16:59:23 +0100190 * It is now possible to disable negotiation of truncated HMAC server-side
Manuel Pégourié-Gonnarde117a8f2015-01-09 12:39:35 +0100191 at runtime with ssl_set_truncated_hmac().
Paul Bakker5b8f7ea2015-01-14 16:26:54 +0100192 * Example programs for SSL client and server now disable SSLv3 by default.
193 * Example programs for SSL client and server now disable RC4 by default.
Manuel Pégourié-Gonnardc9e04832015-01-19 16:24:23 +0000194 * Use platform.h in all test suites and programs.
Manuel Pégourié-Gonnard5cb4b312014-11-25 17:41:50 +0100195
Paul Bakker9eac4f72014-10-20 13:56:15 +0200196= PolarSSL 1.3.9 released 2014-10-20
Manuel Pégourié-Gonnard480905d2014-08-21 19:38:32 +0200197Security
198 * Lowest common hash was selected from signature_algorithms extension in
199 TLS 1.2 (found by Darren Bane) (introduced in 1.3.8).
Manuel Pégourié-Gonnard5d861852014-10-17 12:41:41 +0200200 * Remotely-triggerable memory leak when parsing some X.509 certificates
Paul Bakkerb082bb52014-10-20 13:37:51 +0200201 (server is not affected if it doesn't ask for a client certificate)
202 (found using Codenomicon Defensics).
Manuel Pégourié-Gonnard43c3b282014-10-17 12:42:11 +0200203 * Remotely-triggerable memory leak when parsing crafted ClientHello
Paul Bakkerb082bb52014-10-20 13:37:51 +0200204 (not affected if ECC support was compiled out) (found using Codenomicon
205 Defensics).
Manuel Pégourié-Gonnard480905d2014-08-21 19:38:32 +0200206
Paul Bakker8dcb2d72014-08-08 12:22:30 +0200207Bugfix
208 * Support escaping of commas in x509_string_to_names()
Manuel Pégourié-Gonnard955028f2014-07-12 01:27:34 +0200209 * Fix compile error in ssl_pthread_server (found by Julian Ospald).
Manuel Pégourié-Gonnard9a6b4422014-07-21 13:42:54 +0200210 * Fix net_accept() regarding non-blocking sockets (found by Luca Pesce).
Manuel Pégourié-Gonnard42cc6412014-07-21 13:55:54 +0200211 * Don't print uninitialised buffer in ssl_mail_client (found by Marc Abel).
Manuel Pégourié-Gonnard868c0ee2014-07-21 14:18:17 +0200212 * Fix warnings from Clang's scan-build (contributed by Alfred Klomp).
Manuel Pégourié-Gonnard462906f2014-07-21 17:37:01 +0200213 * Fix compile error in timing.c when POLARSSL_NET_C and POLARSSL_SELFTEST
214 are defined but not POLARSSL_HAVE_TIME (found by Stephane Di Vito).
Manuel Pégourié-Gonnarddca108e2014-07-21 18:15:22 +0200215 * Remove non-existent file from VS projects (found by Peter Vaskovic).
Manuel Pégourié-Gonnardf26a1e82014-08-19 12:28:50 +0200216 * ssl_read() could return non-application data records on server while
217 renegotation was pending, and on client when a HelloRequest was received.
Manuel Pégourié-Gonnardf07f4212014-08-15 19:04:47 +0200218 * Server-initiated renegotiation would fail with non-blocking I/O if the
219 write callback returned WANT_WRITE when requesting renegotiation.
Manuel Pégourié-Gonnarda13500f2014-08-19 16:14:04 +0200220 * ssl_close_notify() could send more than one message in some circumstances
221 with non-blocking I/O.
Sander Niemeijeref5087d2014-08-16 12:45:52 +0200222 * Fix compiler warnings on iOS (found by Sander Niemeijer).
Paul Bakker5a5fa922014-09-26 14:53:04 +0200223 * x509_crt_parse() did not increase total_failed on PEM error
Manuel Pégourié-Gonnard7f4ed672014-10-14 20:56:02 +0200224 * Fix compile error with armcc in mpi_is_prime()
Manuel Pégourié-Gonnardf7cdbc02014-10-17 17:02:10 +0200225 * Fix potential bad read in parsing ServerHello (found by Adrien
226 Vialletelle).
Paul Bakker8dcb2d72014-08-08 12:22:30 +0200227
Manuel Pégourié-Gonnard8d4ad072014-07-13 14:43:28 +0200228Changes
229 * Ciphersuites using SHA-256 or SHA-384 now require TLS 1.x (there is no
230 standard defining how to use SHA-2 with SSL 3.0).
Manuel Pégourié-Gonnarda04fa4f2014-07-13 16:16:44 +0200231 * Ciphersuites using RSA-PSK key exchange new require TLS 1.x (the spec is
232 ambiguous on how to encode some packets with SSL 3.0).
Manuel Pégourié-Gonnard192253a2014-07-21 16:37:15 +0200233 * Made buffer size in pk_write_(pub)key_pem() more dynamic, eg smaller if
234 RSA is disabled, larger if POLARSSL_MPI_MAX_SIZE is larger.
Manuel Pégourié-Gonnardf26a1e82014-08-19 12:28:50 +0200235 * ssl_read() now returns POLARSSL_ERR_NET_WANT_READ rather than
236 POLARSSL_ERR_SSL_UNEXPECTED_MESSAGE on harmless alerts.
Manuel Pégourié-Gonnardda1b4de2014-09-08 17:03:50 +0200237 * POLARSSL_MPI_MAX_SIZE now defaults to 1024 in order to allow 8192 bits
238 RSA keys.
Manuel Pégourié-Gonnard64938c62014-10-15 21:45:39 +0200239 * Accept spaces at end of line or end of buffer in base64_decode().
Manuel Pégourié-Gonnard5d861852014-10-17 12:41:41 +0200240 * X.509 certificates with more than one AttributeTypeAndValue per
241 RelativeDistinguishedName are not accepted any more.
Manuel Pégourié-Gonnard8d4ad072014-07-13 14:43:28 +0200242
Paul Bakker1910aa72014-07-11 11:28:56 +0200243= PolarSSL 1.3.8 released 2014-07-11
Manuel Pégourié-Gonnard0bcc4e12014-06-17 10:54:17 +0200244Security
245 * Fix length checking for AEAD ciphersuites (found by Codenomicon).
246 It was possible to crash the server (and client) using crafted messages
247 when a GCM suite was chosen.
248
Paul Bakkerc6ece492014-05-22 15:45:03 +0200249Features
250 * Add CCM module and cipher mode to Cipher Layer
251 * Support for CCM and CCM_8 ciphersuites
Manuel Pégourié-Gonnardb4798712014-06-06 18:10:44 +0200252 * Support for parsing and verifying RSASSA-PSS signatures in the X.509
253 modules (certificates, CRLs and CSRs).
Manuel Pégourié-Gonnard398c57b2014-06-23 12:10:59 +0200254 * Blowfish in the cipher layer now supports variable length keys.
Manuel Pégourié-Gonnard35795222014-06-24 17:33:54 +0200255 * Add example config.h for PSK with CCM, optimized for low RAM usage.
256 * Optimize for RAM usage in example config.h for NSA Suite B profile.
Manuel Pégourié-Gonnard01edb102014-06-24 22:42:34 +0200257 * Add POLARSSL_REMOVE_ARC4_CIPHERSUITES to allow removing RC4 ciphersuites
258 from the default list (inactive by default).
Paul Bakker23647b42014-07-04 15:00:12 +0200259 * Add server-side enforcement of sent renegotiation requests
260 (ssl_set_renegotiation_enforced())
Manuel Pégourié-Gonnarddfc7df02014-06-30 17:59:55 +0200261 * Add SSL_CIPHERSUITES config.h flag to allow specifying a list of
262 ciphersuites to use and save some memory if the list is small.
Paul Bakkerc6ece492014-05-22 15:45:03 +0200263
Paul Bakker863989b2014-06-12 21:49:01 +0200264Changes
265 * Add LINK_WITH_PTHREAD option in CMake for explicit linking that is
266 required on some platforms (e.g. OpenBSD)
Paul Bakker34617722014-06-13 17:20:13 +0200267 * Migrate zeroizing of data to polarssl_zeroize() instead of memset()
268 against unwanted compiler optimizations
Manuel Pégourié-Gonnardbd772542014-07-07 14:02:33 +0200269 * md_list() now returns hashes strongest first
Manuel Pégourié-Gonnard08e81e02014-07-08 12:56:25 +0200270 * Selection of hash for signing ServerKeyExchange in TLS 1.2 now picks
271 strongest offered by client.
Paul Bakker28476e22014-07-01 15:59:04 +0200272 * All public contexts have _init() and _free() functions now for simpler
273 usage pattern
Paul Bakker863989b2014-06-12 21:49:01 +0200274
Paul Bakker5593f7c2014-05-06 10:29:28 +0200275Bugfix
276 * Fix in debug_print_msg()
Paul Bakker1ebc0c52014-05-22 15:47:58 +0200277 * Enforce alignment in the buffer allocator even if buffer is not aligned
Paul Bakkerdff31392014-05-22 15:06:41 +0200278 * Remove less-than-zero checks on unsigned numbers
Paul Bakker0f651c72014-05-22 15:12:19 +0200279 * Stricter check on SSL ClientHello internal sizes compared to actual packet
280 size (found by TrustInSoft)
Paul Bakker49033ba2014-06-12 21:46:13 +0200281 * Fix WSAStartup() return value check (found by Peter Vaskovic)
282 * Other minor issues (found by Peter Vaskovic)
283 * Fix symlink command for cross compiling with CMake (found by Andre
284 Heinecke)
Paul Bakker3c38f292014-06-13 17:37:46 +0200285 * Fix DER output of gen_key app (found by Gergely Budai)
Manuel Pégourié-Gonnard08485cc2014-06-18 23:11:34 +0200286 * Very small records were incorrectly rejected when truncated HMAC was in
Manuel Pégourié-Gonnardeaa76f72014-06-18 16:06:02 +0200287 use with some ciphersuites and versions (RC4 in all versions, CBC with
288 versions < TLS 1.1).
Manuel Pégourié-Gonnard08485cc2014-06-18 23:11:34 +0200289 * Very large records using more than 224 bytes of padding were incorrectly
290 rejected with CBC-based ciphersuites and TLS >= 1.1
291 * Very large records using less padding could cause a buffer overread of up
292 to 32 bytes with CBC-based ciphersuites and TLS >= 1.1
Manuel Pégourié-Gonnardc4eff162014-06-19 12:18:08 +0200293 * Restore ability to use a v1 cert as a CA if trusted locally. (This had
294 been removed in 1.3.6.)
Manuel Pégourié-Gonnardd249b7a2014-06-24 11:49:16 +0200295 * Restore ability to locally trust a self-signed cert that is not a proper
296 CA for use as an end entity certificate. (This had been removed in
297 1.3.6.)
Barry K. Nathan35e7cb92014-05-05 23:26:13 -0700298 * Fix preprocessor checks for bn_mul PPC asm (found by Barry K. Nathan).
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200299 * Use \n\t rather than semicolons for bn_mul asm, since some assemblers
300 interpret semicolons as comment delimiters (found by Barry K. Nathan).
Manuel Pégourié-Gonnardfd35af12014-06-23 14:10:13 +0200301 * Fix off-by-one error in parsing Supported Point Format extension that
302 caused some handshakes to fail.
Manuel Pégourié-Gonnard8df68632014-06-23 17:56:08 +0200303 * Fix possible miscomputation of the premaster secret with DHE-PSK key
304 exchange that caused some handshakes to fail with other implementations.
305 (Failure rate <= 1/255 with common DHM moduli.)
Manuel Pégourié-Gonnard31357252014-06-24 17:57:57 +0200306 * Disable broken Sparc64 bn_mul assembly (found by Florian Obser).
Paul Bakkerd5983182014-07-04 13:50:31 +0200307 * Fix base64_decode() to return and check length correctly (in case of
308 tight buffers)
Paul Bakker6c343d72014-07-10 14:36:19 +0200309 * Fix mpi_write_string() to write "00" as hex output for empty MPI (found
310 by Hui Dong)
Paul Bakker5593f7c2014-05-06 10:29:28 +0200311
Paul Bakker47431b62014-05-02 13:27:13 +0200312= PolarSSL 1.3.7 released on 2014-05-02
Paul Bakkereaebbd52014-04-25 15:04:14 +0200313Features
Paul Bakkerc73079a2014-04-25 16:34:30 +0200314 * debug_set_log_mode() added to determine raw or full logging
315 * debug_set_threshold() added to ignore messages over threshold level
Paul Bakker0f90d7d2014-04-30 11:49:44 +0200316 * version_check_feature() added to check for compile-time options at
317 run-time
Paul Bakker92478c32014-04-25 15:18:34 +0200318
Paul Bakker088c5c52014-04-25 11:11:10 +0200319Changes
320 * POLARSSL_CONFIG_OPTIONS has been removed. All values are individually
321 checked and filled in the relevant module headers
Paul Bakker92478c32014-04-25 15:18:34 +0200322 * Debug module only outputs full lines instead of parts
Paul Bakker63844402014-04-30 15:34:12 +0200323 * Better support for the different Attribute Types from IETF PKIX (RFC 5280)
Manuel Pégourié-Gonnard63a5bfe2014-04-26 17:21:07 +0200324 * AES-NI now compiles with "old" assemblers too
Manuel Pégourié-Gonnardc16f4e12014-04-29 18:23:07 +0200325 * Ciphersuites based on RC4 now have the lowest priority by default
Paul Bakker088c5c52014-04-25 11:11:10 +0200326
Paul Bakkere92f73d2014-04-18 14:08:26 +0200327Bugfix
328 * Only iterate over actual certificates in ssl_write_certificate_request()
329 (found by Matthew Page)
Paul Bakker4ffcd2f2014-04-25 11:44:12 +0200330 * Typos in platform.c and pkcs11.c (found by Daniel Phillips and Steffan
331 Karger)
Paul Bakkerfdba4682014-04-25 11:48:35 +0200332 * cert_write app should use subject of issuer certificate as issuer of cert
Paul Bakker61885c72014-04-25 12:59:03 +0200333 * Fix false reject in padding check in ssl_decrypt_buf() for CBC
334 ciphersuites, for full SSL frames of data.
Paul Bakkera7036632014-04-30 10:15:38 +0200335 * Improve interoperability by not writing extension length in ClientHello /
336 ServerHello when no extensions are present (found by Matthew Page)
Paul Bakker24f37cc2014-04-30 13:33:35 +0200337 * rsa_check_pubkey() now allows an E up to N
Paul Bakkerf96f7b62014-04-30 16:02:38 +0200338 * On OpenBSD, use arc4random_buf() instead of rand() to prevent warnings
Paul Bakker33dc46b2014-04-30 16:11:39 +0200339 * mpi_fill_random() was creating numbers larger than requested on
340 big-endian platform when size was not an integer number of limbs
Manuel Pégourié-Gonnardedc81ff2014-04-29 15:06:49 +0200341 * Fix dependencies issues in X.509 test suite.
Manuel Pégourié-Gonnard3a306b92014-04-29 15:11:17 +0200342 * Some parts of ssl_tls.c were compiled even when the module was disabled.
Markus Pfeiffera26a0052014-04-22 20:16:15 +0000343 * Fix detection of DragonflyBSD in net.c (found by Markus Pfeiffer)
Barry K. Nathancf975f52014-04-23 17:40:25 -0700344 * Fix detection of Clang on some Apple platforms with CMake
345 (found by Barry K. Nathan)
Paul Bakkere92f73d2014-04-18 14:08:26 +0200346
Paul Bakker784b04f2014-04-11 15:33:59 +0200347= PolarSSL 1.3.6 released on 2014-04-11
Manuel Pégourié-Gonnard969ccc62014-03-26 19:53:25 +0100348
Paul Bakker27e36d32014-04-08 12:33:37 +0200349Features
350 * Support for the ALPN SSL extension
Paul Bakker1cfc4582014-04-09 15:25:13 +0200351 * Add option 'use_dev_random' to gen_key application
Manuel Pégourié-Gonnardb7fff0f2014-04-11 11:32:39 +0200352 * Enable verification of the keyUsage extension for CA and leaf
Paul Bakker59366212014-04-09 15:55:20 +0200353 certificates (POLARSSL_X509_CHECK_KEY_USAGE)
Manuel Pégourié-Gonnardb7fff0f2014-04-11 11:32:39 +0200354 * Enable verification of the extendedKeyUsage extension
355 (POLARSSL_X509_CHECK_EXTENDED_KEY_USAGE)
Paul Bakker27e36d32014-04-08 12:33:37 +0200356
Paul Bakker4984d3c2014-04-04 15:39:37 +0200357Changes
358 * x509_crt_info() now prints information about parsed extensions as well
Manuel Pégourié-Gonnard2abed842014-04-08 12:40:15 +0200359 * pk_verify() now returns a specific error code when the signature is valid
360 but shorter than the supplied length.
Manuel Pégourié-Gonnard0776a432014-04-11 12:25:45 +0200361 * Use UTC time to check certificate validity.
Manuel Pégourié-Gonnard9655e452014-04-11 12:29:49 +0200362 * Reject certificates with times not in UTC, per RFC 5280.
Paul Bakker4984d3c2014-04-04 15:39:37 +0200363
Manuel Pégourié-Gonnarddd75c312014-03-31 11:55:42 +0200364Security
365 * Avoid potential timing leak in ecdsa_sign() by blinding modular division.
366 (Found by Watson Ladd.)
Manuel Pégourié-Gonnard8c045ef2014-04-08 11:55:03 +0200367 * The notAfter date of some certificates was no longer checked since 1.3.5.
368 This affects certificates in the user-supplied chain except the top
369 certificate. If the user-supplied chain contains only one certificates,
370 it is not affected (ie, its notAfter date is properly checked).
Paul Bakker4224bc02014-04-08 14:36:50 +0200371 * Prevent potential NULL pointer dereference in ssl_read_record() (found by
372 TrustInSoft)
Manuel Pégourié-Gonnarddd75c312014-03-31 11:55:42 +0200373
Manuel Pégourié-Gonnard969ccc62014-03-26 19:53:25 +0100374Bugfix
375 * The length of various ClientKeyExchange messages was not properly checked.
Manuel Pégourié-Gonnard6b0d2682014-03-25 11:24:43 +0100376 * Some example server programs were not sending the close_notify alert.
Paul Bakker75a28602014-03-31 12:08:17 +0200377 * Potential memory leak in mpi_exp_mod() when error occurs during
378 calculation of RR.
Manuel Pégourié-Gonnard74bc68a2014-04-02 13:20:00 +0200379 * Fixed malloc/free default #define in platform.c (found by Gergely Budai).
Manuel Pégourié-Gonnarde4421112014-04-02 13:50:05 +0200380 * Fixed type which made POLARSSL_ENTROPY_FORCE_SHA256 uneffective (found by
381 Gergely Budai).
Manuel Pégourié-Gonnard887aa5b2014-04-04 13:57:20 +0200382 * Fix #include path in ecdsa.h which wasn't accepted by some compilers.
383 (found by Gergely Budai)
Shuo Chen95a0d112014-04-04 21:04:40 -0700384 * Fix compile errors when POLARSSL_ERROR_STRERROR_BC is undefined (found by
385 Shuo Chen).
Manuel Pégourié-Gonnard7afdb882014-03-28 16:06:35 +0100386 * oid_get_numeric_string() used to truncate the output without returning an
387 error if the output buffer was just 1 byte too small.
Manuel Pégourié-Gonnard3fec2202014-03-29 16:42:38 +0100388 * dhm_parse_dhm() (hence dhm_parse_dhmfile()) did not set dhm->len.
Manuel Pégourié-Gonnard01488752014-04-03 22:09:18 +0200389 * Calling pk_debug() on an RSA-alt key would segfault.
390 * pk_get_size() and pk_get_len() were off by a factor 8 for RSA-alt keys.
Paul Bakker16300582014-04-11 13:28:43 +0200391 * Potential buffer overwrite in pem_write_buffer() because of low length
392 indication (found by Thijs Alkemade)
Manuel Pégourié-Gonnard78848372014-04-10 17:45:07 +0200393 * EC curves constants, which should be only in ROM since 1.3.3, were also
394 stored in RAM due to missing 'const's (found by Gergely Budai).
Manuel Pégourié-Gonnard969ccc62014-03-26 19:53:25 +0100395
Paul Bakker96d52652014-03-26 16:55:50 +0100396= PolarSSL 1.3.5 released on 2014-03-26
Paul Bakker5fb8efe2014-02-05 15:54:34 +0100397Features
398 * HMAC-DRBG as a separate module
Manuel Pégourié-Gonnard84c30c72014-02-26 17:38:55 +0100399 * Option to set the Curve preference order (disabled by default)
Paul Bakker6a28e722014-02-06 13:41:55 +0100400 * Single Platform compatilibity layer (for memory / printf / fprintf)
Paul Bakkerf2561b32014-02-06 15:11:55 +0100401 * Ability to provide alternate timing implementation
Paul Bakker2ceda572014-02-06 15:55:25 +0100402 * Ability to force the entropy module to use SHA-256 as its basis
403 (POLARSSL_ENTROPY_FORCE_SHA256)
Paul Bakker6a8e7f82014-03-17 13:45:06 +0100404 * Testing script ssl-opt.sh added for testing 'live' ssl option
405 interoperability against OpenSSL and PolarSSL
Manuel Pégourié-Gonnard86b400f2014-03-19 16:55:29 +0100406 * Support for reading EC keys that use SpecifiedECDomain in some cases.
Paul Bakker66ff70d2014-03-26 11:54:05 +0100407 * Entropy module now supports seed writing and reading
Paul Bakker6a28e722014-02-06 13:41:55 +0100408
409Changes
410 * Deprecated the Memory layer
Paul Bakker47703a02014-02-06 15:01:20 +0100411 * entropy_add_source(), entropy_update_manual() and entropy_gather()
412 now thread-safe if POLARSSL_THREADING_C defined
Manuel Pégourié-Gonnard14ed1a22014-03-11 10:16:25 +0100413 * Improvements to the CMake build system, contributed by Julian Ospald.
Manuel Pégourié-Gonnardbb8661e2014-03-14 09:21:20 +0100414 * Work around a bug of the version of Clang shipped by Apple with Mavericks
415 that prevented bignum.c from compiling. (Reported by Rafael Baptista.)
Paul Bakker6a8e7f82014-03-17 13:45:06 +0100416 * Revamped the compat.sh interoperatibility script to include support for
417 testing against GnuTLS
Manuel Pégourié-Gonnard7a2aba82014-03-25 16:37:27 +0100418 * Deprecated ssl_set_own_cert_rsa() and ssl_set_own_cert_rsa_alt()
Paul Bakker674e0b02014-03-26 13:26:52 +0100419 * Improvements to tests/Makefile, contributed by Oden Eriksson.
Paul Bakker5fb8efe2014-02-05 15:54:34 +0100420
Manuel Pégourié-Gonnard796c6f32014-03-10 09:34:49 +0100421Security
422 * Forbid change of server certificate during renegotiation to prevent
Manuel Pégourié-Gonnardb2bf5a12014-03-25 16:28:12 +0100423 "triple handshake" attack when authentication mode is 'optional' (the
Manuel Pégourié-Gonnard796c6f32014-03-10 09:34:49 +0100424 attack was already impossible when authentication is required).
Manuel Pégourié-Gonnard95337652014-03-10 13:15:18 +0100425 * Check notBefore timestamp of certificates and CRLs from the future.
Manuel Pégourié-Gonnard83cdffc2014-03-10 21:20:29 +0100426 * Forbid sequence number wrapping
Manuel Pégourié-Gonnard7a2aba82014-03-25 16:37:27 +0100427 * Fixed possible buffer overflow with overlong PSK
Paul Bakker91c61bc2014-03-26 14:06:55 +0100428 * Possible remotely-triggered out-of-bounds memory access fixed (found by
429 TrustInSoft)
Manuel Pégourié-Gonnard796c6f32014-03-10 09:34:49 +0100430
Manuel Pégourié-Gonnard6e8e34d2014-01-28 19:30:56 +0100431Bugfix
432 * ecp_gen_keypair() does more tries to prevent failure because of
433 statistics
Manuel Pégourié-Gonnard7a2aba82014-03-25 16:37:27 +0100434 * Fixed bug in RSA PKCS#1 v1.5 "reversed" operations
Paul Bakkercd6d69a2014-02-06 15:43:21 +0100435 * Fixed testing with out-of-source builds using cmake
Manuel Pégourié-Gonnard6b1e2072014-02-12 10:14:54 +0100436 * Fixed version-major intolerance in server
Paul Bakker3d52ab72014-03-07 10:33:55 +0100437 * Fixed CMake symlinking on out-of-source builds
Manuel Pégourié-Gonnard29dcc0b2014-03-10 11:32:07 +0100438 * Fixed dependency issues in test suite
Manuel Pégourié-Gonnard844a4c02014-03-10 21:55:35 +0100439 * Programs rsa_sign_pss and rsa_verify_pss were not using PSS since 1.3.0
Alex Wilson73491422014-03-06 00:04:09 +1000440 * Bignum's MIPS-32 assembly was used on MIPS-64, causing chaos. (Found by
441 Alex Wilson.)
Manuel Pégourié-Gonnard84c30c72014-02-26 17:38:55 +0100442 * ssl_cache was creating entries when max_entries=0 if TIMING_C was enabled.
443 * m_sleep() was sleeping twice too long on most Unix platforms.
Manuel Pégourié-Gonnard145dfcb2014-02-26 14:23:33 +0100444 * Fixed bug with session tickets and non-blocking I/O in the unlikely case
Paul Bakkerb0695ce2014-03-17 13:42:23 +0100445 send() would return an EAGAIN error when sending the ticket.
Manuel Pégourié-Gonnard84c30c72014-02-26 17:38:55 +0100446 * ssl_cache was leaking memory when reusing a timed out entry containing a
Paul Bakkerb0695ce2014-03-17 13:42:23 +0100447 client certificate.
Manuel Pégourié-Gonnardd701c9a2014-02-26 17:54:07 +0100448 * ssl_srv was leaking memory when client presented a timed out ticket
Paul Bakkerb0695ce2014-03-17 13:42:23 +0100449 containing a client certificate
Paul Bakker3d6504a2014-03-17 13:41:51 +0100450 * ssl_init() was leaving a dirty pointer in ssl_context if malloc of
451 out_ctr failed
Paul Bakker77f4f392014-03-26 15:28:55 +0100452 * ssl_handshake_init() was leaving dirty pointers in subcontexts if malloc
453 of one of them failed
Manuel Pégourié-Gonnardfdddac92014-03-25 15:58:35 +0100454 * Fix typo in rsa_copy() that impacted PKCS#1 v2 contexts
Paul Bakker5fff23b2014-03-26 15:34:54 +0100455 * x509_get_current_time() uses localtime_r() to prevent thread issues
Manuel Pégourié-Gonnard6e8e34d2014-01-28 19:30:56 +0100456
Paul Bakker2aca2412014-01-27 11:49:46 +0100457= PolarSSL 1.3.4 released on 2014-01-27
Paul Bakker3eb96732014-01-22 13:08:19 +0100458Features
Paul Bakker0ac99ca2014-01-22 13:08:44 +0100459 * Support for the Koblitz curves: secp192k1, secp224k1, secp256k1
Paul Bakker5862eee2014-01-22 14:18:03 +0100460 * Support for RIPEMD-160
Paul Bakker556efba2014-01-24 15:38:12 +0100461 * Support for AES CFB8 mode
Paul Bakkere6c2ddb2014-01-27 11:47:15 +0100462 * Support for deterministic ECDSA (RFC 6979)
Paul Bakker3eb96732014-01-22 13:08:19 +0100463
464Bugfix
465 * Potential memory leak in bignum_selftest()
466 * Replaced expired test certificate
Paul Bakkerd75ba402014-01-24 16:11:17 +0100467 * ssl_mail_client now terminates lines with CRLF, instead of LF
Paul Bakkerb84582b2014-01-27 12:23:43 +0100468 * net module handles timeouts on blocking sockets better (found by Tilman
469 Sauerbeck)
Paul Bakker2cb1a0c2014-01-27 13:36:23 +0100470 * Assembly format fixes in bn_mul.h
471
472Security
Paul Bakkerb84582b2014-01-27 12:23:43 +0100473 * Missing MPI_CHK calls added around unguarded mpi calls (found by
474 TrustInSoft)
Paul Bakker3eb96732014-01-22 13:08:19 +0100475
Paul Bakker5bc07a32013-12-31 10:57:44 +0100476= PolarSSL 1.3.3 released on 2013-12-31
Paul Bakker014f1432013-12-02 14:54:01 +0100477Features
478 * EC key generation support in gen_key app
Paul Bakker9dc53a92013-12-02 14:55:28 +0100479 * Support for adhering to client ciphersuite order preference
480 (POLARSSL_SSL_SRV_RESPECT_CLIENT_PREFERENCE)
Paul Bakker48d78a52013-12-05 16:11:38 +0100481 * Support for Curve25519
Paul Bakkerfdf94692013-12-17 13:09:31 +0100482 * Support for ECDH-RSA and ECDH-ECDSA key exchanges and ciphersuites
Paul Bakker5a607d22013-12-17 14:33:42 +0100483 * Support for IPv6 in the NET module
Paul Bakker23116fd2013-12-30 14:09:47 +0100484 * AES-NI support for AES, AES-GCM and AES key scheduling
Paul Bakkerf9c49532013-12-19 15:40:58 +0100485 * SSL Pthread-based server example added (ssl_pthread_server)
Paul Bakker014f1432013-12-02 14:54:01 +0100486
Paul Bakker7aa03752013-11-26 17:37:31 +0100487Changes
488 * gen_prime() speedup
489 * Speedup of ECP multiplication operation
490 * Relaxed some SHA2 ciphersuite's version requirements
Paul Bakkerc3d0d072013-12-02 14:50:49 +0100491 * Dropped use of readdir_r() instead of readdir() with threading support
Paul Bakker4040d7e2013-12-02 14:52:57 +0100492 * More constant-time checks in the RSA module
Paul Bakkerb14817d2013-12-02 22:03:23 +0100493 * Split off curves from ecp.c into ecp_curves.c
Paul Bakker5ab68ba2013-12-17 13:10:48 +0100494 * Curves are now stored fully in ROM
Paul Bakkerc7387912013-12-31 10:32:50 +0100495 * Memory usage optimizations in ECP module
Paul Bakkera8fd3e32013-12-31 11:54:08 +0100496 * Removed POLARSSL_THREADING_DUMMY
Paul Bakker7aa03752013-11-26 17:37:31 +0100497
Paul Bakkerf2b4d862013-11-20 17:23:53 +0100498Bugfix
Manuel Pégourié-Gonnard9a4a5ac2013-12-04 18:05:29 +0100499 * Fixed bug in mpi_set_bit() on platforms where t_uint is wider than int
Paul Bakkerf2b4d862013-11-20 17:23:53 +0100500 * Fixed X.509 hostname comparison (with non-regular characters)
Paul Bakkera9a028e2013-11-21 17:31:06 +0100501 * SSL now gracefully handles missing RNG
Paul Bakker7aa03752013-11-26 17:37:31 +0100502 * Missing defines / cases for RSA_PSK key exchange
503 * crypt_and_hash app checks MAC before final decryption
Paul Bakker6f0636a2013-12-16 15:24:05 +0100504 * Potential memory leak in ssl_ticket_keys_init()
Paul Bakkerf70fe812013-12-16 16:43:10 +0100505 * Memory leak in benchmark application
Paul Bakker1a56fc92013-12-19 13:51:24 +0100506 * Fixed x509_crt_parse_path() bug on Windows platforms
Paul Bakker6ea1a952013-12-31 11:16:03 +0100507 * Added missing MPI_CHK() around some statements in mpi_div_mpi() (found by
508 TrustInSoft)
Paul Bakker6992eb72013-12-31 11:35:16 +0100509 * Fixed potential overflow in certificate size verification in
510 ssl_write_certificate() (found by TrustInSoft)
Paul Bakkerf2b4d862013-11-20 17:23:53 +0100511
Paul Bakker956c9e02013-12-19 14:42:28 +0100512Security
513 * Possible remotely-triggered out-of-bounds memory access fixed (found by
514 TrustInSoft)
515
Paul Bakkerf4dc1862013-11-04 17:29:42 +0100516= PolarSSL 1.3.2 released on 2013-11-04
Paul Bakker08bb1872013-10-28 14:03:26 +0100517Features
518 * PK tests added to test framework
Paul Bakker3f917e22013-10-28 14:16:59 +0100519 * Added optional optimization for NIST MODP curves (POLARSSL_ECP_NIST_OPTIM)
Paul Bakker16421222013-10-28 14:37:09 +0100520 * Support for Camellia-GCM mode and ciphersuites
Paul Bakker08bb1872013-10-28 14:03:26 +0100521
Paul Bakker7bc745b2013-10-28 14:39:49 +0100522Changes
523 * Padding checks in cipher layer are now constant-time
Paul Bakkere1121b62013-10-31 14:37:37 +0100524 * Value comparisons in SSL layer are now constant-time
Paul Bakker7b0be682013-10-29 14:24:37 +0100525 * Support for serialNumber, postalAddress and postalCode in X509 names
Paul Bakkere1121b62013-10-31 14:37:37 +0100526 * SSL Renegotiation was refactored
Paul Bakker7bc745b2013-10-28 14:39:49 +0100527
Paul Bakker677377f2013-10-28 12:54:26 +0100528Bugfix
Paul Bakker16421222013-10-28 14:37:09 +0100529 * More stringent checks in cipher layer
Paul Bakker677377f2013-10-28 12:54:26 +0100530 * Server does not send out extensions not advertised by client
Paul Bakker45a2c8d2013-10-28 12:57:08 +0100531 * Prevent possible alignment warnings on casting from char * to 'aligned *'
Paul Bakker68037da2013-10-28 14:02:40 +0100532 * Misc fixes and additions to dependency checks
Paul Bakker50dc8502013-10-28 21:19:10 +0100533 * Const correctness
Paul Bakker93c6aa42013-10-28 22:28:09 +0100534 * cert_write with selfsign should use issuer_name as subject_name
Manuel Pégourié-Gonnard178d9ba2013-10-29 10:45:28 +0100535 * Fix ECDSA corner case: missing reduction mod N (found by DualTachyon)
Paul Bakkerfa6a6202013-10-28 18:48:30 +0100536 * Defines to handle UEFI environment under MSVC
Paul Bakkere1121b62013-10-31 14:37:37 +0100537 * Server-side initiated renegotiations send HelloRequest
Paul Bakker677377f2013-10-28 12:54:26 +0100538
Paul Bakker5c17ccd2013-10-15 13:12:41 +0200539= PolarSSL 1.3.1 released on 2013-10-15
Paul Bakkerb799dec2013-10-11 10:03:27 +0200540Features
541 * Support for Brainpool curves and TLS ciphersuites (RFC 7027)
Paul Bakker376e8152013-10-15 12:44:23 +0200542 * Support for ECDHE-PSK key-exchange and ciphersuites
Paul Bakkerf34673e2013-10-15 12:46:17 +0200543 * Support for RSA-PSK key-exchange and ciphersuites
Paul Bakkerb799dec2013-10-11 10:03:27 +0200544
Paul Bakkerddba8822013-10-11 09:21:56 +0200545Changes
546 * RSA blinding locks for a smaller amount of time
Paul Bakker16770332013-10-11 09:59:44 +0200547 * TLS compression only allocates working buffer once
Paul Bakkerbe089b02013-10-14 15:51:50 +0200548 * Introduced POLARSSL_HAVE_READDIR_R for systems without it
Paul Bakkera7ea6a52013-10-15 11:55:10 +0200549 * config.h is more script-friendly
Paul Bakkerddba8822013-10-11 09:21:56 +0200550
551Bugfix
552 * Missing MSVC defines added
553 * Compile errors with POLARSSL_RSA_NO_CRT
554 * Header files with 'polarssl/'
Paul Bakkerfcc17212013-10-11 09:36:52 +0200555 * Const correctness
Paul Bakkerd61cc3b2013-10-11 09:38:49 +0200556 * Possible naming collision in dhm_context
Paul Bakker4aa40d42013-10-11 10:49:24 +0200557 * Better support for MSVC
Paul Bakkerb7c13122013-10-11 10:51:32 +0200558 * threading_set_alt() name
Paul Bakker5191e922013-10-11 10:54:28 +0200559 * Added missing x509write_crt_set_version()
Paul Bakkerddba8822013-10-11 09:21:56 +0200560
Paul Bakker5c17ccd2013-10-15 13:12:41 +0200561= PolarSSL 1.3.0 released on 2013-10-01
Paul Bakker41c83d32013-03-20 14:39:14 +0100562Features
563 * Elliptic Curve Cryptography module added
564 * Elliptic Curve Diffie Hellman module added
565 * Ephemeral Elliptic Curve Diffie Hellman support for SSL/TLS
566 (ECDHE-based ciphersuites)
Paul Bakkerc8676782013-08-28 12:15:11 +0200567 * Ephemeral Elliptic Curve Digital Signature Algorithm support for SSL/TLS
568 (ECDSA-based ciphersuites)
Paul Bakker8f4ddae2013-04-15 15:09:54 +0200569 * Ability to specify allowed ciphersuites based on the protocol version.
Paul Bakkerb91c2b52013-04-19 16:05:16 +0200570 * PSK and DHE-PSK based ciphersuites added
Paul Bakker6e339b52013-07-03 13:37:05 +0200571 * Memory allocation abstraction layer added
572 * Buffer-based memory allocator added (no malloc() / free() / HEAP usage)
Paul Bakker2466d932013-09-28 14:40:38 +0200573 * Threading abstraction layer added (dummy / pthread / alternate)
Paul Bakker5ad403f2013-09-18 21:21:30 +0200574 * Public Key abstraction layer added
Paul Bakkerf85778e2013-07-19 14:55:25 +0200575 * Parsing Elliptic Curve keys
576 * Parsing Elliptic Curve certificates
577 * Support for max_fragment_length extension (RFC 6066)
578 * Support for truncated_hmac extension (RFC 6066)
Paul Bakkerda4d1c32013-08-14 12:24:34 +0200579 * Support for zeros-and-length (ANSI X.923) padding, one-and-zeros
580 (ISO/IEC 7816-4) padding and zero padding in the cipher layer
Paul Bakker936539a2013-08-14 13:49:20 +0200581 * Support for session tickets (RFC 5077)
Paul Bakkerca174fe2013-08-28 16:31:30 +0200582 * Certificate Request (CSR) generation with extensions (key_usage,
583 ns_cert_type)
Paul Bakker7fb4a792013-09-12 12:00:52 +0200584 * X509 Certificate writing with extensions (basic_constraints,
585 issuer_key_identifier, etc)
Paul Bakker6ec34fb2013-09-10 14:53:46 +0200586 * Optional blinding for RSA, DHM and EC
Paul Bakker8b817dc2013-09-25 18:03:58 +0200587 * Support for multiple active certificate / key pairs in SSL servers for
588 the same host (Not to be confused with SNI!)
Paul Bakker41c83d32013-03-20 14:39:14 +0100589
Paul Bakker9b5798d2013-03-13 13:53:00 +0100590Changes
Paul Bakkerd2f068e2013-08-27 21:19:20 +0200591 * Ability to enable / disable SSL v3 / TLS 1.0 / TLS 1.1 / TLS 1.2
592 individually
Paul Bakker68884e32013-01-07 18:20:04 +0100593 * Introduced separate SSL Ciphersuites module that is based on
594 Cipher and MD information
Paul Bakker9b5798d2013-03-13 13:53:00 +0100595 * Internals for SSL module adapted to have separate IV pointer that is
596 dynamically set (Better support for hardware acceleration)
Paul Bakkerc70b9822013-04-07 22:00:46 +0200597 * Moved all OID functionality to a separate module. RSA function
598 prototypes for the RSA sign and verify functions changed as a result
Paul Bakkerb9d3cfa2013-06-26 15:07:16 +0200599 * Split up the GCM module into a starts/update/finish cycle
Paul Bakker2fbefde2013-06-29 16:01:15 +0200600 * Client and server now filter sent and accepted ciphersuites on minimum
601 and maximum protocol version
Paul Bakker0be444a2013-08-27 21:55:01 +0200602 * Ability to disable server_name extension (RFC 6066)
Paul Bakkere2ab84f2013-06-29 18:24:32 +0200603 * Renamed error_strerror() to the less conflicting polarssl_strerror()
604 (Ability to keep old as well with POLARSSL_ERROR_STRERROR_BC)
Paul Bakker9e36f042013-06-30 14:34:05 +0200605 * SHA2 renamed to SHA256, SHA4 renamed to SHA512 and functions accordingly
Paul Bakker548957d2013-08-30 10:30:02 +0200606 * All RSA operations require a random generator for blinding purposes
Paul Bakker45f21c72013-09-18 15:33:49 +0200607 * X509 core refactored
608 * x509_crt_verify() now case insensitive for cn (RFC 6125 6.4)
Paul Bakker5ad403f2013-09-18 21:21:30 +0200609 * Also compiles / runs without time-based functions (!POLARSSL_HAVE_TIME)
Paul Bakkerc27c4e22013-09-23 15:01:36 +0200610 * Support faulty X509 v1 certificates with extensions
611 (POLARSSL_X509_ALLOW_EXTENSIONS_NON_V3)
Paul Bakker9b5798d2013-03-13 13:53:00 +0100612
Paul Bakkereff2e6d2013-04-11 17:13:22 +0200613Bugfix
Paul Bakker73d44312013-05-22 13:56:26 +0200614 * Fixed parse error in ssl_parse_certificate_request()
Paul Bakkerabf2f8f2013-06-30 14:57:46 +0200615 * zlib compression/decompression skipped on empty blocks
Paul Bakker1e6a1752013-07-26 14:10:22 +0200616 * Support for AIX header locations in net.c module
Paul Bakker003dbad2013-09-09 17:26:14 +0200617 * Fixed file descriptor leaks
Paul Bakkereff2e6d2013-04-11 17:13:22 +0200618
Paul Bakkeraab30c12013-08-30 11:00:25 +0200619Security
620 * RSA blinding on CRT operations to counter timing attacks
621 (found by Cyril Arnaud and Pierre-Alain Fouque)
622
Paul Bakkera6c5ea22014-10-24 16:26:29 +0200623= Version 1.2.12 released 2014-10-24
624
625Security
626 * Remotely-triggerable memory leak when parsing some X.509 certificates
627 (server is not affected if it doesn't ask for a client certificate).
628 (Found using Codenomicon Defensics.)
629
630Bugfix
631 * Fix potential bad read in parsing ServerHello (found by Adrien
632 Vialletelle).
633 * ssl_close_notify() could send more than one message in some circumstances
634 with non-blocking I/O.
635 * x509_crt_parse() did not increase total_failed on PEM error
636 * Fix compiler warnings on iOS (found by Sander Niemeijer).
637 * Don't print uninitialised buffer in ssl_mail_client (found by Marc Abel).
638 * Fix net_accept() regarding non-blocking sockets (found by Luca Pesce).
639 * ssl_read() could return non-application data records on server while
640 renegotation was pending, and on client when a HelloRequest was received.
641 * Fix warnings from Clang's scan-build (contributed by Alfred Klomp).
642
643Changes
644 * X.509 certificates with more than one AttributeTypeAndValue per
645 RelativeDistinguishedName are not accepted any more.
646 * ssl_read() now returns POLARSSL_ERR_NET_WANT_READ rather than
647 POLARSSL_ERR_SSL_UNEXPECTED_MESSAGE on harmless alerts.
648 * Accept spaces at end of line or end of buffer in base64_decode().
649
Paul Bakker0ae5a3d2014-07-11 11:28:30 +0200650= Version 1.2.11 released 2014-07-11
651Features
652 * Entropy module now supports seed writing and reading
653
654Changes
655 * Introduced POLARSSL_HAVE_READDIR_R for systems without it
656 * Improvements to the CMake build system, contributed by Julian Ospald.
657 * Work around a bug of the version of Clang shipped by Apple with Mavericks
658 that prevented bignum.c from compiling. (Reported by Rafael Baptista.)
659 * Improvements to tests/Makefile, contributed by Oden Eriksson.
660 * Use UTC time to check certificate validity.
661 * Reject certificates with times not in UTC, per RFC 5280.
662 * Migrate zeroizing of data to polarssl_zeroize() instead of memset()
663 against unwanted compiler optimizations
664
665Security
666 * Forbid change of server certificate during renegotiation to prevent
667 "triple handshake" attack when authentication mode is optional (the
668 attack was already impossible when authentication is required).
669 * Check notBefore timestamp of certificates and CRLs from the future.
670 * Forbid sequence number wrapping
671 * Prevent potential NULL pointer dereference in ssl_read_record() (found by
672 TrustInSoft)
673 * Fix length checking for AEAD ciphersuites (found by Codenomicon).
674 It was possible to crash the server (and client) using crafted messages
675 when a GCM suite was chosen.
676
677Bugfix
678 * Fixed X.509 hostname comparison (with non-regular characters)
679 * SSL now gracefully handles missing RNG
680 * crypt_and_hash app checks MAC before final decryption
681 * Fixed x509_crt_parse_path() bug on Windows platforms
682 * Added missing MPI_CHK() around some statements in mpi_div_mpi() (found by
683 TrustInSoft)
684 * Fixed potential overflow in certificate size verification in
685 ssl_write_certificate() (found by TrustInSoft)
686 * Fix ASM format in bn_mul.h
687 * Potential memory leak in bignum_selftest()
688 * Replaced expired test certificate
689 * ssl_mail_client now terminates lines with CRLF, instead of LF
690 * Fix bug in RSA PKCS#1 v1.5 "reversed" operations
691 * Fixed testing with out-of-source builds using cmake
692 * Fixed version-major intolerance in server
693 * Fixed CMake symlinking on out-of-source builds
694 * Bignum's MIPS-32 assembly was used on MIPS-64, causing chaos. (Found by
695 Alex Wilson.)
696 * ssl_init() was leaving a dirty pointer in ssl_context if malloc of
697 out_ctr failed
698 * ssl_handshake_init() was leaving dirty pointers in subcontexts if malloc
699 of one of them failed
700 * x509_get_current_time() uses localtime_r() to prevent thread issues
701 * Some example server programs were not sending the close_notify alert.
702 * Potential memory leak in mpi_exp_mod() when error occurs during
703 calculation of RR.
704 * Improve interoperability by not writing extension length in ClientHello
705 when no extensions are present (found by Matthew Page)
706 * rsa_check_pubkey() now allows an E up to N
707 * On OpenBSD, use arc4random_buf() instead of rand() to prevent warnings
708 * mpi_fill_random() was creating numbers larger than requested on
709 big-endian platform when size was not an integer number of limbs
710 * Fix detection of DragonflyBSD in net.c (found by Markus Pfeiffer)
711 * Stricter check on SSL ClientHello internal sizes compared to actual packet
712 size (found by TrustInSoft)
713 * Fix preprocessor checks for bn_mul PPC asm (found by Barry K. Nathan).
714 * Use \n\t rather than semicolons for bn_mul asm, since some assemblers
715 interpret semicolons as comment delimiters (found by Barry K. Nathan).
716 * Disable broken Sparc64 bn_mul assembly (found by Florian Obser).
717 * Fix base64_decode() to return and check length correctly (in case of
718 tight buffers)
719
Paul Bakker3a2c0562013-10-07 16:22:05 +0200720= Version 1.2.10 released 2013-10-07
721Changes
722 * Changed RSA blinding to a slower but thread-safe version
723
724Bugfix
725 * Fixed memory leak in RSA as a result of introduction of blinding
726 * Fixed ssl_pkcs11_decrypt() prototype
727 * Fixed MSVC project files
728
Paul Bakkerd93d28e2013-10-01 10:12:42 +0200729= Version 1.2.9 released 2013-10-01
Paul Bakkerc13aab12013-09-26 10:12:19 +0200730Changes
731 * x509_verify() now case insensitive for cn (RFC 6125 6.4)
732
733Bugfix
734 * Fixed potential memory leak when failing to resume a session
735 * Fixed potential file descriptor leaks (found by Remi Gacogne)
736 * Minor fixes
737
738Security
739 * Fixed potential heap buffer overflow on large hostname setting
740 * Fixed potential negative value misinterpretation in load_file()
741 * RSA blinding on CRT operations to counter timing attacks
742 (found by Cyril Arnaud and Pierre-Alain Fouque)
743
Paul Bakkerde656232013-06-24 19:07:34 +0200744= Version 1.2.8 released 2013-06-19
745Features
746 * Parsing of PKCS#8 encrypted private key files
747 * PKCS#12 PBE and derivation functions
748 * Centralized module option values in config.h to allow user-defined
749 settings without editing header files by using POLARSSL_CONFIG_OPTIONS
750
751Changes
752 * HAVEGE random generator disabled by default
753 * Internally split up x509parse_key() into a (PEM) handler function
754 and specific DER parser functions for the PKCS#1 and unencrypted
755 PKCS#8 private key formats
756 * Added mechanism to provide alternative implementations for all
757 symmetric cipher and hash algorithms (e.g. POLARSSL_AES_ALT in
758 config.h)
759 * PKCS#5 module added. Moved PBKDF2 functionality inside and deprecated
760 old PBKDF2 module
761
762Bugfix
763 * Secure renegotiation extension should only be sent in case client
764 supports secure renegotiation
765 * Fixed offset for cert_type list in ssl_parse_certificate_request()
766 * Fixed const correctness issues that have no impact on the ABI
767 * x509parse_crt() now better handles PEM error situations
768 * ssl_parse_certificate() now calls x509parse_crt_der() directly
769 instead of the x509parse_crt() wrapper that can also parse PEM
770 certificates
771 * x509parse_crtpath() is now reentrant and uses more portable stat()
772 * Fixed bignum.c and bn_mul.h to support Thumb2 and LLVM compiler
773 * Fixed values for 2-key Triple DES in cipher layer
774 * ssl_write_certificate_request() can handle empty ca_chain
775
776Security
777 * A possible DoS during the SSL Handshake, due to faulty parsing of
778 PEM-encoded certificates has been fixed (found by Jack Lloyd)
779
780= Version 1.2.7 released 2013-04-13
781Features
782 * Ability to specify allowed ciphersuites based on the protocol version.
783
784Changes
785 * Default Blowfish keysize is now 128-bits
786 * Test suites made smaller to accommodate Raspberry Pi
787
788Bugfix
789 * Fix for MPI assembly for ARM
790 * GCM adapted to support sizes > 2^29
791
Paul Bakker90f042d2013-03-11 11:38:44 +0100792= Version 1.2.6 released 2013-03-11
Paul Bakkerc0463502013-02-14 11:19:38 +0100793Bugfix
794 * Fixed memory leak in ssl_free() and ssl_reset() for active session
Paul Bakker3d2dc0f2013-02-27 14:52:37 +0100795 * Corrected GCM counter incrementation to use only 32-bits instead of
796 128-bits (found by Yawning Angel)
Paul Bakkere3e4a592013-02-28 10:20:53 +0100797 * Fixes for 64-bit compilation with MS Visual Studio
Paul Bakker37286a52013-03-06 16:55:11 +0100798 * Fixed net_bind() for specified IP addresses on little endian systems
Paul Bakkerfb1cbd32013-03-06 18:14:52 +0100799 * Fixed assembly code for ARM (Thumb and regular) for some compilers
Paul Bakkerc0463502013-02-14 11:19:38 +0100800
Paul Bakkerb3869132013-02-28 17:21:01 +0100801Changes
802 * Internally split up rsa_pkcs1_encrypt(), rsa_pkcs1_decrypt(),
803 rsa_pkcs1_sign() and rsa_pkcs1_verify() to separate PKCS#1 v1.5 and
804 PKCS#1 v2.1 functions
Paul Bakkera43231c2013-02-28 17:33:49 +0100805 * Added support for custom labels when using rsa_rsaes_oaep_encrypt()
806 or rsa_rsaes_oaep_decrypt()
Paul Bakker78a8c712013-03-06 17:01:52 +0100807 * Re-added handling for SSLv2 Client Hello when the define
808 POLARSSL_SSL_SRV_SUPPORT_SSLV2_CLIENT_HELLO is set
Paul Bakkere81beda2013-03-06 17:40:46 +0100809 * The SSL session cache module (ssl_cache) now also retains peer_cert
810 information (not the entire chain)
Paul Bakkerb3869132013-02-28 17:21:01 +0100811
Paul Bakkere47b34b2013-02-27 14:48:00 +0100812Security
813 * Removed further timing differences during SSL message decryption in
814 ssl_decrypt_buf()
Paul Bakker8804f692013-02-28 18:06:26 +0100815 * Removed timing differences due to bad padding from
816 rsa_rsaes_pkcs1_v15_decrypt() and rsa_pkcs1_decrypt() for PKCS#1 v1.5
817 operations
Paul Bakkere47b34b2013-02-27 14:48:00 +0100818
Paul Bakkerc7a2da42013-02-02 19:23:57 +0100819= Version 1.2.5 released 2013-02-02
Paul Bakker8fe40dc2013-02-02 12:43:08 +0100820Changes
821 * Allow enabling of dummy error_strerror() to support some use-cases
Paul Bakkerd66f0702013-01-31 16:57:45 +0100822 * Debug messages about padding errors during SSL message decryption are
823 disabled by default and can be enabled with POLARSSL_SSL_DEBUG_ALL
Paul Bakker40865c82013-01-31 17:13:13 +0100824 * Sending of security-relevant alert messages that do not break
825 interoperability can be switched on/off with the flag
Paul Bakkera35aa542013-03-06 17:06:21 +0100826 POLARSSL_SSL_ALL_ALERT_MESSAGES
Paul Bakker8fe40dc2013-02-02 12:43:08 +0100827
Paul Bakker45829992013-01-03 14:52:21 +0100828Security
829 * Removed timing differences during SSL message decryption in
830 ssl_decrypt_buf() due to badly formatted padding
831
Paul Bakker14c56a32013-01-25 17:11:37 +0100832= Version 1.2.4 released 2013-01-25
Paul Bakker1961b702013-01-25 14:49:24 +0100833Changes
Paul Bakker68884e32013-01-07 18:20:04 +0100834 * More advanced SSL ciphersuite representation and moved to more dynamic
835 SSL core
Paul Bakker1961b702013-01-25 14:49:24 +0100836 * Added ssl_handshake_step() to allow single stepping the handshake process
837
Paul Bakker40628ba2013-01-03 10:50:31 +0100838Bugfix
839 * Memory leak when using RSA_PKCS_V21 operations fixed
Paul Bakker21dca692013-01-03 11:41:08 +0100840 * Handle future version properly in ssl_write_certificate_request()
Paul Bakker9c94cdd2013-01-22 13:45:33 +0100841 * Correctly handle CertificateRequest message in client for <= TLS 1.1
842 without DN list
Paul Bakker40628ba2013-01-03 10:50:31 +0100843
Paul Bakkerfb1ba782012-11-26 16:28:25 +0100844= Version 1.2.3 released 2012-11-26
845Bugfix
846 * Server not always sending correct CertificateRequest message
847
Paul Bakkerdf5069c2012-11-24 12:20:19 +0100848= Version 1.2.2 released 2012-11-24
Paul Bakkere667c982012-11-20 13:50:22 +0100849Changes
850 * Added p_hw_data to ssl_context for context specific hardware acceleration
851 data
Paul Bakkerdf5069c2012-11-24 12:20:19 +0100852 * During verify trust-CA is only checked for expiration and CRL presence
Paul Bakkere667c982012-11-20 13:50:22 +0100853
Paul Bakker7c90da92012-11-23 14:02:40 +0100854Bugfixes
Paul Bakkerdf5069c2012-11-24 12:20:19 +0100855 * Fixed client authentication compatibility
856 * Fixed dependency on POLARSSL_SHA4_C in SSL modules
Paul Bakker7c90da92012-11-23 14:02:40 +0100857
Paul Bakker14926332012-11-20 10:58:09 +0100858= Version 1.2.1 released 2012-11-20
Paul Bakker34d8dbc2012-11-14 12:11:38 +0000859Changes
860 * Depth that the certificate verify callback receives is now numbered
861 bottom-up (Peer cert depth is 0)
862
Paul Bakker7a2538e2012-11-02 10:59:36 +0000863Bugfixes
864 * Fixes for MSVC6
Paul Bakkerd9374b02012-11-02 11:02:58 +0000865 * Moved mpi_inv_mod() outside POLARSSL_GENPRIME
Paul Bakkerf02c5642012-11-13 10:25:21 +0000866 * Allow R and A to point to same mpi in mpi_div_mpi (found by Manuel
867 Pégourié-Gonnard)
Manuel Pégourié-Gonnarde44ec102012-11-17 12:42:51 +0100868 * Fixed possible segfault in mpi_shift_r() (found by Manuel
869 Pégourié-Gonnard)
Paul Bakker9daf0d02012-11-13 12:13:27 +0000870 * Added max length check for rsa_pkcs1_sign with PKCS#1 v2.1
Paul Bakker7a2538e2012-11-02 10:59:36 +0000871
Paul Bakkerc9c5df92012-10-31 13:55:27 +0000872= Version 1.2.0 released 2012-10-31
Paul Bakkerfab5c822012-02-06 16:45:10 +0000873Features
874 * Added support for NULL cipher (POLARSSL_CIPHER_NULL_CIPHER) and weak
875 ciphersuites (POLARSSL_ENABLE_WEAK_CIPHERSUITES). They are disabled by
876 default!
Paul Bakkera8cd2392012-02-11 16:09:32 +0000877 * Added support for wildcard certificates
878 * Added support for multi-domain certificates through the X509 Subject
879 Alternative Name extension
Paul Bakkerbdb912d2012-02-13 23:11:30 +0000880 * Added preliminary ASN.1 buffer writing support
881 * Added preliminary X509 Certificate Request writing support
882 * Added key_app_writer example application
883 * Added cert_req example application
Paul Bakker89e80c92012-03-20 13:50:09 +0000884 * Added base Galois Counter Mode (GCM) for AES
Paul Bakker48916f92012-09-16 19:57:18 +0000885 * Added TLS 1.2 support (RFC 5246)
Paul Bakkerca4ab492012-04-18 14:23:57 +0000886 * Added GCM suites to TLS 1.2 (RFC 5288)
Paul Bakker01cc3942012-05-08 08:36:15 +0000887 * Added commandline error code convertor (util/strerror)
Paul Bakker05ef8352012-05-08 09:17:57 +0000888 * Added support for Hardware Acceleration hooking in SSL/TLS
Paul Bakkere6ee41f2012-05-19 08:43:48 +0000889 * Added OpenSSL / PolarSSL compatibility script (tests/compat.sh) and
Paul Bakkerc9c5df92012-10-31 13:55:27 +0000890 example application (programs/ssl/o_p_test) (requires OpenSSL)
Paul Bakker8d914582012-06-04 12:46:42 +0000891 * Added X509 CA Path support
Paul Bakker4f9a7bb2012-07-02 08:36:36 +0000892 * Added Thumb assembly optimizations
Paul Bakker2770fbd2012-07-03 13:30:23 +0000893 * Added DEFLATE compression support as per RFC3749 (requires zlib)
Paul Bakker6132d0a2012-07-04 17:10:40 +0000894 * Added blowfish algorithm (Generic and cipher layer)
Paul Bakkerf518b162012-08-23 13:03:18 +0000895 * Added PKCS#5 PBKDF2 key derivation function
Paul Bakker48916f92012-09-16 19:57:18 +0000896 * Added Secure Renegotiation (RFC 5746)
Paul Bakker29b64762012-09-25 09:36:44 +0000897 * Added predefined DHM groups from RFC 5114
Paul Bakker0a597072012-09-25 21:55:46 +0000898 * Added simple SSL session cache implementation
Paul Bakker5701cdc2012-09-27 21:49:42 +0000899 * Added ServerName extension parsing (SNI) at server side
Paul Bakker1d29fb52012-09-28 13:28:45 +0000900 * Added option to add minimum accepted SSL/TLS protocol version
Paul Bakkerfab5c822012-02-06 16:45:10 +0000901
Paul Bakker1504af52012-02-11 16:17:43 +0000902Changes
903 * Removed redundant POLARSSL_DEBUG_MSG define
Paul Bakker048d04e2012-02-12 17:31:04 +0000904 * AES code only check for Padlock once
Paul Bakker6b906e52012-05-08 12:01:43 +0000905 * Fixed const-correctness mpi_get_bit()
906 * Documentation for mpi_lsb() and mpi_msb()
Paul Bakker186751d2012-05-08 13:16:14 +0000907 * Moved out_msg to out_hdr + 32 to support hardware acceleration
Paul Bakker4d2c1242012-05-10 14:12:46 +0000908 * Changed certificate verify behaviour to comply with RFC 6125 section 6.3
Paul Bakker5b377842012-05-16 07:57:36 +0000909 to not match CN if subjectAltName extension is present (Closes ticket #56)
Paul Bakker6132d0a2012-07-04 17:10:40 +0000910 * Cipher layer cipher_mode_t POLARSSL_MODE_CFB128 is renamed to
911 POLARSSL_MODE_CFB, to also handle different block size CFB modes.
Paul Bakkerec636f32012-09-09 19:17:02 +0000912 * Removed handling for SSLv2 Client Hello (as per RFC 5246 recommendation)
Paul Bakker0a597072012-09-25 21:55:46 +0000913 * Revamped session resumption handling
Paul Bakkereb2c6582012-09-27 19:15:01 +0000914 * Generalized external private key implementation handling (like PKCS#11)
915 in SSL/TLS
Paul Bakker915275b2012-09-28 07:10:55 +0000916 * Revamped x509_verify() and the SSL f_vrfy callback implementations
Paul Bakker5c2364c2012-10-01 14:41:15 +0000917 * Moved from unsigned long to fixed width uint32_t types throughout code
Paul Bakker645ce3a2012-10-31 12:32:41 +0000918 * Renamed ciphersuites naming scheme to IANA reserved names
Paul Bakker1504af52012-02-11 16:17:43 +0000919
Paul Bakker37824582012-03-22 14:10:22 +0000920Bugfix
Paul Bakker7beceb22012-03-22 14:19:49 +0000921 * Fixed handling error in mpi_cmp_mpi() on longer B values (found by
922 Hui Dong)
Paul Bakker430ffbe2012-05-01 08:14:20 +0000923 * Fixed potential heap corruption in x509_name allocation
Paul Bakker5b377842012-05-16 07:57:36 +0000924 * Fixed single RSA test that failed on Big Endian systems (Closes ticket #54)
Paul Bakkerf6198c12012-05-16 08:02:29 +0000925 * mpi_exp_mod() now correctly handles negative base numbers (Closes ticket
926 #52)
Paul Bakkere6ee41f2012-05-19 08:43:48 +0000927 * Handle encryption with private key and decryption with public key as per
928 RFC 2313
Paul Bakkercefb3962012-06-27 11:51:09 +0000929 * Handle empty certificate subject names
Paul Bakker535e97d2012-08-23 10:49:55 +0000930 * Prevent reading over buffer boundaries on X509 certificate parsing
Paul Bakkerd4c2bd72012-09-16 21:35:30 +0000931 * mpi_add_abs() now correctly handles adding short numbers to long numbers
Paul Bakker995a2152012-09-25 08:19:56 +0000932 with carry rollover (found by Ruslan Yushchenko)
Paul Bakkerb00ca422012-09-25 12:10:00 +0000933 * Handle existence of OpenSSL Trust Extensions at end of X.509 DER blob
Paul Bakker4f024b72012-10-30 07:29:57 +0000934 * Fixed MPI assembly for SPARC64 platform
Paul Bakker37824582012-03-22 14:10:22 +0000935
Paul Bakker452d5322012-04-05 12:07:34 +0000936Security
Paul Bakker3c16db92012-07-05 13:58:08 +0000937 * Fixed potential memory zeroization on miscrafted RSA key (found by Eloi
938 Vanderbeken)
Paul Bakker452d5322012-04-05 12:07:34 +0000939
Paul Bakkerd93d28e2013-10-01 10:12:42 +0200940= Version 1.1.8 released on 2013-10-01
Paul Bakkerc13aab12013-09-26 10:12:19 +0200941Bugfix
942 * Fixed potential memory leak when failing to resume a session
943 * Fixed potential file descriptor leaks
944
945Security
946 * Potential buffer-overflow for ssl_read_record() (independently found by
947 both TrustInSoft and Paul Brodeur of Leviathan Security Group)
948 * Potential negative value misinterpretation in load_file()
949 * Potential heap buffer overflow on large hostname setting
950
Paul Bakker248fff52013-06-24 19:08:50 +0200951= Version 1.1.7 released on 2013-06-19
952Changes
953 * HAVEGE random generator disabled by default
954
955Bugfix
956 * x509parse_crt() now better handles PEM error situations
957 * ssl_parse_certificate() now calls x509parse_crt_der() directly
958 instead of the x509parse_crt() wrapper that can also parse PEM
959 certificates
960 * Fixed values for 2-key Triple DES in cipher layer
961 * ssl_write_certificate_request() can handle empty ca_chain
962
963Security
964 * A possible DoS during the SSL Handshake, due to faulty parsing of
965 PEM-encoded certificates has been fixed (found by Jack Lloyd)
966
967= Version 1.1.6 released on 2013-03-11
968Bugfix
969 * Fixed net_bind() for specified IP addresses on little endian systems
970
971Changes
972 * Allow enabling of dummy error_strerror() to support some use-cases
973 * Debug messages about padding errors during SSL message decryption are
974 disabled by default and can be enabled with POLARSSL_SSL_DEBUG_ALL
975
976Security
977 * Removed timing differences during SSL message decryption in
978 ssl_decrypt_buf()
979 * Removed timing differences due to bad padding from
980 rsa_rsaes_pkcs1_v15_decrypt() and rsa_pkcs1_decrypt() for PKCS#1 v1.5
981 operations
982
Paul Bakker9d2bb652013-01-25 16:07:49 +0100983= Version 1.1.5 released on 2013-01-16
984Bugfix
985 * Fixed MPI assembly for SPARC64 platform
986 * Handle existence of OpenSSL Trust Extensions at end of X.509 DER blob
987 * mpi_add_abs() now correctly handles adding short numbers to long numbers
988 with carry rollover
989 * Moved mpi_inv_mod() outside POLARSSL_GENPRIME
990 * Prevent reading over buffer boundaries on X509 certificate parsing
991 * mpi_exp_mod() now correctly handles negative base numbers (Closes ticket
992 #52)
993 * Fixed possible segfault in mpi_shift_r() (found by Manuel
994 Pégourié-Gonnard)
995 * Allow R and A to point to same mpi in mpi_div_mpi (found by Manuel
996 Pégourié-Gonnard)
997 * Added max length check for rsa_pkcs1_sign with PKCS#1 v2.1
998 * Memory leak when using RSA_PKCS_V21 operations fixed
999 * Handle encryption with private key and decryption with public key as per
1000 RFC 2313
1001 * Fixes for MSVC6
1002
1003Security
1004 * Fixed potential memory zeroization on miscrafted RSA key (found by Eloi
1005 Vanderbeken)
1006
Paul Bakkerd5834bb2012-10-02 14:38:56 +00001007= Version 1.1.4 released on 2012-05-31
1008Bugfix
1009 * Correctly handle empty SSL/TLS packets (Found by James Yonan)
1010 * Fixed potential heap corruption in x509_name allocation
1011 * Fixed single RSA test that failed on Big Endian systems (Closes ticket #54)
1012
Paul Bakkerfad38932012-05-08 09:04:04 +00001013= Version 1.1.3 released on 2012-04-29
1014Bugfix
1015 * Fixed random MPI generation to not generate more size than requested.
1016
1017= Version 1.1.2 released on 2012-04-26
1018Bugfix
1019 * Fixed handling error in mpi_cmp_mpi() on longer B values (found by
1020 Hui Dong)
1021
1022Security
1023 * Fixed potential memory corruption on miscrafted client messages (found by
1024 Frama-C team at CEA LIST)
1025 * Fixed generation of DHM parameters to correct length (found by Ruslan
1026 Yushchenko)
1027
Paul Bakker99955bf2012-01-23 09:31:41 +00001028= Version 1.1.1 released on 2012-01-23
Paul Bakkerb15b8512012-01-13 13:44:06 +00001029Bugfix
1030 * Check for failed malloc() in ssl_set_hostname() and x509_get_entries()
1031 (Closes ticket #47, found by Hugo Leisink)
Paul Bakker2ec0a562012-01-21 05:41:23 +00001032 * Fixed issues with Intel compiler on 64-bit systems (Closes ticket #50)
Paul Bakker99955bf2012-01-23 09:31:41 +00001033 * Fixed multiple compiler warnings for VS6 and armcc
1034 * Fixed bug in CTR_CRBG selftest
Paul Bakkerb15b8512012-01-13 13:44:06 +00001035
Paul Bakker08a50882011-12-22 09:43:57 +00001036= Version 1.1.0 released on 2011-12-22
Paul Bakker7eb013f2011-10-06 12:37:39 +00001037Features
1038 * Added ssl_session_reset() to allow better multi-connection pools of
1039 SSL contexts without needing to set all non-connection-specific
1040 data and pointers again. Adapted ssl_server to use this functionality.
Paul Bakker490ecc82011-10-06 13:04:09 +00001041 * Added ssl_set_max_version() to allow clients to offer a lower maximum
1042 supported version to a server to help buggy server implementations.
1043 (Closes ticket #36)
Paul Bakker03a30d32011-11-11 10:55:02 +00001044 * Added cipher_get_cipher_mode() and cipher_get_cipher_operation()
1045 introspection functions (Closes ticket #40)
Paul Bakker0e04d0e2011-11-27 14:46:59 +00001046 * Added CTR_DRBG based on AES-256-CTR (NIST SP 800-90) random generator
Paul Bakker6083fd22011-12-03 21:45:14 +00001047 * Added a generic entropy accumulator that provides support for adding
1048 custom entropy sources and added some generic and platform dependent
1049 entropy sources
Paul Bakker7eb013f2011-10-06 12:37:39 +00001050
Paul Bakkerca6f3e22011-10-06 13:11:08 +00001051Changes
1052 * Documentation for AES and Camellia in modes CTR and CFB128 clarified.
Paul Bakkerd246ed32011-10-06 13:18:27 +00001053 * Fixed rsa_encrypt and rsa_decrypt examples to use public key for
1054 encryption and private key for decryption. (Closes ticket #34)
Paul Bakkerc4909d92011-10-12 09:52:22 +00001055 * Inceased maximum size of ASN1 length reads to 32-bits.
Paul Bakkerfbc09f32011-10-12 09:56:41 +00001056 * Added an EXPLICIT tag number parameter to x509_get_ext()
Paul Bakkerb5a11ab2011-10-12 09:58:41 +00001057 * Added a separate CRL entry extension parsing function
Paul Bakkerefc30292011-11-10 14:43:23 +00001058 * Separated the ASN.1 parsing code from the X.509 specific parsing code.
1059 So now there is a module that is controlled with POLARSSL_ASN1_PARSE_C.
Paul Bakker5e18aed2011-11-15 15:38:45 +00001060 * Changed the defined key-length of DES ciphers in cipher.h to include the
1061 parity bits, to prevent mistakes in copying data. (Closes ticket #33)
Paul Bakkercce9d772011-11-18 14:26:47 +00001062 * Loads of minimal changes to better support WINCE as a build target
Paul Bakker2e6d5322011-11-18 14:34:17 +00001063 (Credits go to Marco Lizza)
Paul Bakkerb6d5f082011-11-25 11:52:11 +00001064 * Added POLARSSL_MPI_WINDOW_SIZE definition to allow easier time to memory
1065 trade-off
Paul Bakkerfe3256e2011-11-25 12:11:43 +00001066 * Introduced POLARSSL_MPI_MAX_SIZE and POLARSSL_MPI_MAX_BITS for MPI size
1067 management (Closes ticket #44)
Paul Bakkera3d195c2011-11-27 21:07:34 +00001068 * Changed the used random function pointer to more flexible format. Renamed
1069 havege_rand() to havege_random() to prevent mistakes. Lots of changes as
Paul Bakkera35aa542013-03-06 17:06:21 +01001070 a consequence in library code and programs
Paul Bakker508ad5a2011-12-04 17:09:26 +00001071 * Moved all examples programs to use the new entropy and CTR_DRBG
Paul Bakker6c0ceb32011-12-04 12:24:18 +00001072 * Added permissive certificate parsing to x509parse_crt() and
1073 x509parse_crtfile(). With permissive parsing the parsing does not stop on
Paul Bakkera35aa542013-03-06 17:06:21 +01001074 encountering a parse-error. Beware that the meaning of return values has
1075 changed!
Paul Bakker69e095c2011-12-10 21:55:01 +00001076 * All error codes are now negative. Even on mermory failures and IO errors.
Paul Bakkerca6f3e22011-10-06 13:11:08 +00001077
Paul Bakkerfa1c5922011-10-06 14:18:49 +00001078Bugfix
1079 * Fixed faulty HMAC-MD2 implementation. Found by dibac. (Closes
1080 ticket #37)
Paul Bakker3329d1f2011-10-12 09:55:01 +00001081 * Fixed a bug where the CRL parser expected an EXPLICIT ASN.1 tag
1082 before version numbers
Paul Bakkercebdf172011-11-11 15:01:31 +00001083 * Allowed X509 key usage parsing to accept 4 byte values instead of the
1084 standard 1 byte version sometimes used by Microsoft. (Closes ticket #38)
Paul Bakker1fe7d9b2011-11-15 15:26:03 +00001085 * Fixed incorrect behaviour in case of RSASSA-PSS with a salt length
1086 smaller than the hash length. (Closes ticket #41)
Paul Bakker03c7c252011-11-25 12:37:37 +00001087 * If certificate serial is longer than 32 octets, serial number is now
1088 appended with '....' after first 28 octets
Paul Bakker44637402011-11-26 09:23:07 +00001089 * Improved build support for s390x and sparc64 in bignum.h
Paul Bakker4f5ae802011-12-04 22:10:28 +00001090 * Fixed MS Visual C++ name clash with int64 in sha4.h
Paul Bakkerc50132d2011-12-05 14:38:36 +00001091 * Corrected removal of leading "00:" in printing serial numbers in
Paul Bakkerc8ffbe72011-12-05 14:22:49 +00001092 certificates and CRLs
Paul Bakkerfa1c5922011-10-06 14:18:49 +00001093
Paul Bakker968bc982011-07-27 17:03:00 +00001094= Version 1.0.0 released on 2011-07-27
Paul Bakker343a8702011-06-09 14:27:58 +00001095Features
1096 * Expanded cipher layer with support for CFB128 and CTR mode
Paul Bakker7bc05ff2011-08-09 10:30:36 +00001097 * Added rsa_encrypt and rsa_decrypt simple example programs.
Paul Bakker343a8702011-06-09 14:27:58 +00001098
Paul Bakker42e59812011-06-09 15:55:41 +00001099Changes
1100 * The generic cipher and message digest layer now have normal error
1101 codes instead of integers
1102
Paul Bakker887bd502011-06-08 13:10:54 +00001103Bugfix
1104 * Undid faulty bug fix in ssl_write() when flushing old data (Ticket
1105 #18)
1106
Paul Bakker828acb22011-05-27 09:25:42 +00001107= Version 0.99-pre5 released on 2011-05-26
Paul Bakkerb6ecaf52011-04-19 14:29:23 +00001108Features
1109 * Added additional Cipher Block Modes to symmetric ciphers
1110 (AES CTR, Camellia CTR, XTEA CBC) including the option to
Paul Bakkera35aa542013-03-06 17:06:21 +01001111 enable and disable individual modes when needed
Paul Bakker335db3f2011-04-25 15:28:35 +00001112 * Functions requiring File System functions can now be disabled
1113 by undefining POLARSSL_FS_IO
Paul Bakker9d781402011-05-09 16:17:09 +00001114 * A error_strerror function() has been added to translate between
1115 error codes and their description.
Paul Bakker2f5947e2011-05-18 15:47:11 +00001116 * Added mpi_get_bit() and mpi_set_bit() individual bit setter/getter
1117 functions.
Paul Bakker1496d382011-05-23 12:07:29 +00001118 * Added ssl_mail_client and ssl_fork_server as example programs.
Paul Bakkerb6ecaf52011-04-19 14:29:23 +00001119
Paul Bakker23986e52011-04-24 08:57:21 +00001120Changes
1121 * Major argument / variable rewrite. Introduced use of size_t
1122 instead of int for buffer lengths and loop variables for
Paul Bakkera35aa542013-03-06 17:06:21 +01001123 better unsigned / signed use. Renamed internal bigint types
1124 t_int and t_dbl to t_uint and t_udbl in the process
Paul Bakker6c591fa2011-05-05 11:49:20 +00001125 * mpi_init() and mpi_free() now only accept a single MPI
1126 argument and do not accept variable argument lists anymore.
Paul Bakker9d781402011-05-09 16:17:09 +00001127 * The error codes have been remapped and combining error codes
1128 is now done with a PLUS instead of an OR as error codes
Paul Bakkera35aa542013-03-06 17:06:21 +01001129 used are negative.
Paul Bakker831a7552011-05-18 13:32:51 +00001130 * Changed behaviour of net_read(), ssl_fetch_input() and ssl_recv().
1131 net_recv() now returns 0 on EOF instead of
Paul Bakkera35aa542013-03-06 17:06:21 +01001132 POLARSSL_ERR_NET_CONN_RESET. ssl_fetch_input() returns
1133 POLARSSL_ERR_SSL_CONN_EOF on an EOF from its f_recv() function.
1134 ssl_read() returns 0 if a POLARSSL_ERR_SSL_CONN_EOF is received
1135 after the handshake.
Paul Bakker831a7552011-05-18 13:32:51 +00001136 * Network functions now return POLARSSL_ERR_NET_WANT_READ or
1137 POLARSSL_ERR_NET_WANT_WRITE instead of the ambiguous
Paul Bakkera35aa542013-03-06 17:06:21 +01001138 POLARSSL_ERR_NET_TRY_AGAIN
Paul Bakker23986e52011-04-24 08:57:21 +00001139
Paul Bakker3efa5752011-04-01 12:23:26 +00001140= Version 0.99-pre4 released on 2011-04-01
Paul Bakker9dcc3222011-03-08 14:16:06 +00001141Features
1142 * Added support for PKCS#1 v2.1 encoding and thus support
1143 for the RSAES-OAEP and RSASSA-PSS operations.
Paul Bakkere77db2e2011-03-25 14:01:32 +00001144 * Reading of Public Key files incorporated into default x509
1145 functionality as well.
Paul Bakker287781a2011-03-26 13:18:49 +00001146 * Added mpi_fill_random() for centralized filling of big numbers
1147 with random data (Fixed ticket #10)
Paul Bakker9dcc3222011-03-08 14:16:06 +00001148
Paul Bakkerbe4e7dc2011-03-14 20:41:31 +00001149Changes
1150 * Debug print of MPI now removes leading zero octets and
1151 displays actual bit size of the value.
Paul Bakker98675492011-03-26 13:17:12 +00001152 * x509parse_key() (and as a consequence x509parse_keyfile())
1153 does not zeroize memory in advance anymore. Use rsa_init()
Paul Bakkera35aa542013-03-06 17:06:21 +01001154 before parsing a key or keyfile!
Paul Bakkerbe4e7dc2011-03-14 20:41:31 +00001155
1156Bugfix
1157 * Debug output of MPI's now the same independent of underlying
1158 platform (32-bit / 64-bit) (Fixes ticket #19, found by Mads
Paul Bakkera35aa542013-03-06 17:06:21 +01001159 Kiilerich and Mihai Militaru)
Paul Bakker1fd00bf2011-03-14 20:50:15 +00001160 * Fixed bug in ssl_write() when flushing old data (Fixed ticket
1161 #18, found by Nikolay Epifanov)
Paul Bakkere77db2e2011-03-25 14:01:32 +00001162 * Fixed proper handling of RSASSA-PSS verification with variable
1163 length salt lengths
Paul Bakkerbe4e7dc2011-03-14 20:41:31 +00001164
Paul Bakker345a6fe2011-02-28 21:20:02 +00001165= Version 0.99-pre3 released on 2011-02-28
1166This release replaces version 0.99-pre2 which had possible copyright issues.
Paul Bakker96743fc2011-02-12 14:30:57 +00001167Features
1168 * Parsing PEM private keys encrypted with DES and AES
1169 are now supported as well (Fixes ticket #5)
Paul Bakkera9507c02011-02-12 15:27:28 +00001170 * Added crl_app program to allow easy reading and
1171 printing of X509 CRLs from file
Paul Bakker96743fc2011-02-12 14:30:57 +00001172
1173Changes
1174 * Parsing of PEM files moved to separate module (Fixes
1175 ticket #13). Also possible to remove PEM support for
Paul Bakkera35aa542013-03-06 17:06:21 +01001176 systems only using DER encoding
Paul Bakker96743fc2011-02-12 14:30:57 +00001177
Paul Bakker400ff6f2011-02-20 10:40:16 +00001178Bugfixes
1179 * Corrected parsing of UTCTime dates before 1990 and
1180 after 1950
1181 * Support more exotic OID's when parsing certificates
Paul Bakkere2a39cc2011-02-20 13:49:27 +00001182 (found by Mads Kiilerich)
Paul Bakker400ff6f2011-02-20 10:40:16 +00001183 * Support more exotic name representations when parsing
Paul Bakkere2a39cc2011-02-20 13:49:27 +00001184 certificates (found by Mads Kiilerich)
Paul Bakker400ff6f2011-02-20 10:40:16 +00001185 * Replaced the expired test certificates
Paul Bakkere2a39cc2011-02-20 13:49:27 +00001186 * Do not bail out if no client certificate specified. Try
1187 to negotiate anonymous connection (Fixes ticket #12,
Paul Bakkera35aa542013-03-06 17:06:21 +01001188 found by Boris Krasnovskiy)
Paul Bakker400ff6f2011-02-20 10:40:16 +00001189
Paul Bakker345a6fe2011-02-28 21:20:02 +00001190Security fixes
1191 * Fixed a possible Man-in-the-Middle attack on the
1192 Diffie Hellman key exchange (thanks to Larry Highsmith,
Paul Bakkera35aa542013-03-06 17:06:21 +01001193 Subreption LLC)
Paul Bakker345a6fe2011-02-28 21:20:02 +00001194
Paul Bakker9fc46592011-01-30 16:59:02 +00001195= Version 0.99-pre1 released on 2011-01-30
Paul Bakker37ca75d2011-01-06 12:28:03 +00001196Features
Paul Bakkerb63b0af2011-01-13 17:54:59 +00001197Note: Most of these features have been donated by Fox-IT
1198 * Added Doxygen source code documentation parts
Paul Bakker1b57b062011-01-06 15:48:19 +00001199 * Added reading of DHM context from memory and file
Paul Bakker74111d32011-01-15 16:57:55 +00001200 * Improved X509 certificate parsing to include extended
Paul Bakker76fd75a2011-01-16 21:12:10 +00001201 certificate fields, including Key Usage
1202 * Improved certificate verification and verification
1203 against the available CRLs
Paul Bakker1f87fb62011-01-15 17:32:24 +00001204 * Detection for DES weak keys and parity bits added
Paul Bakker72f62662011-01-16 21:27:44 +00001205 * Improvements to support integration in other
1206 applications:
1207 + Added generic message digest and cipher wrapper
1208 + Improved information about current capabilities,
1209 status, objects and configuration
1210 + Added verification callback on certificate chain
1211 verification to allow external blacklisting
Paul Bakker20a78082011-01-21 09:32:12 +00001212 + Additional example programs to show usage
Paul Bakker43b7e352011-01-18 15:27:19 +00001213 * Added support for PKCS#11 through the use of the
1214 libpkcs11-helper library
Paul Bakker37ca75d2011-01-06 12:28:03 +00001215
Paul Bakkerb6194992011-01-16 21:40:22 +00001216Changes
1217 * x509parse_time_expired() checks time in addition to
1218 the existing date check
Paul Bakkere3166ce2011-01-27 17:40:50 +00001219 * The ciphers member of ssl_context and the cipher member
1220 of ssl_session have been renamed to ciphersuites and
Paul Bakkera35aa542013-03-06 17:06:21 +01001221 ciphersuite respectively. This clarifies the difference
1222 with the generic cipher layer and is better naming
1223 altogether
Paul Bakkerb6194992011-01-16 21:40:22 +00001224
Paul Bakker99ed6782011-01-05 14:48:42 +00001225= Version 0.14.0 released on 2010-08-16
1226Features
1227 * Added support for SSL_EDH_RSA_AES_128_SHA and
1228 SSL_EDH_RSA_CAMELLIA_128_SHA ciphersuites
1229 * Added compile-time and run-time version information
1230 * Expanded ssl_client2 arguments for more flexibility
1231 * Added support for TLS v1.1
1232
1233Changes
1234 * Made Makefile cleaner
1235 * Removed dependency on rand() in rsa_pkcs1_encrypt().
1236 Now using random fuction provided to function and
Paul Bakkera35aa542013-03-06 17:06:21 +01001237 changed the prototype of rsa_pkcs1_encrypt(),
1238 rsa_init() and rsa_gen_key().
Paul Bakker99ed6782011-01-05 14:48:42 +00001239 * Some SSL defines were renamed in order to avoid
1240 future confusion
1241
1242Bug fixes
1243 * Fixed CMake out of source build for tests (found by
1244 kkert)
1245 * rsa_check_private() now supports PKCS1v2 keys as well
1246 * Fixed deadlock in rsa_pkcs1_encrypt() on failing random
1247 generator
1248
1249= Version 0.13.1 released on 2010-03-24
1250Bug fixes
1251 * Fixed Makefile in library that was mistakenly merged
1252 * Added missing const string fixes
1253
1254= Version 0.13.0 released on 2010-03-21
1255Features
1256 * Added option parsing for host and port selection to
1257 ssl_client2
1258 * Added support for GeneralizedTime in X509 parsing
1259 * Added cert_app program to allow easy reading and
1260 printing of X509 certificates from file or SSL
1261 connection.
1262
1263Changes
1264 * Added const correctness for main code base
1265 * X509 signature algorithm determination is now
1266 in a function to allow easy future expansion
1267 * Changed symmetric cipher functions to
1268 identical interface (returning int result values)
Paul Bakker60b1d102013-10-29 10:02:51 +01001269 * Changed ARC4 to use separate input/output buffer
Paul Bakker99ed6782011-01-05 14:48:42 +00001270 * Added reset function for HMAC context as speed-up
1271 for specific use-cases
1272
1273Bug fixes
1274 * Fixed bug resulting in failure to send the last
1275 certificate in the chain in ssl_write_certificate() and
1276 ssl_write_certificate_request() (found by fatbob)
1277 * Added small fixes for compiler warnings on a Mac
1278 (found by Frank de Brabander)
1279 * Fixed algorithmic bug in mpi_is_prime() (found by
1280 Smbat Tonoyan)
1281
1282= Version 0.12.1 released on 2009-10-04
1283Changes
1284 * Coverage test definitions now support 'depends_on'
1285 tagging system.
1286 * Tests requiring specific hashing algorithms now honor
1287 the defines.
1288
1289Bug fixes
1290 * Changed typo in #ifdef in x509parse.c (found
1291 by Eduardo)
1292
1293= Version 0.12.0 released on 2009-07-28
1294Features
1295 * Added CMake makefiles as alternative to regular Makefiles.
1296 * Added preliminary Code Coverage tests for AES, ARC4,
1297 Base64, MPI, SHA-family, MD-family, HMAC-SHA-family,
1298 Camellia, DES, 3-DES, RSA PKCS#1, XTEA, Diffie-Hellman
1299 and X509parse.
1300
1301Changes
1302 * Error codes are not (necessarily) negative. Keep
1303 this is mind when checking for errors.
1304 * RSA_RAW renamed to SIG_RSA_RAW for consistency.
1305 * Fixed typo in name of POLARSSL_ERR_RSA_OUTPUT_TOO_LARGE.
1306 * Changed interface for AES and Camellia setkey functions
1307 to indicate invalid key lengths.
1308
1309Bug fixes
1310 * Fixed include location of endian.h on FreeBSD (found by
1311 Gabriel)
1312 * Fixed include location of endian.h and name clash on
1313 Apples (found by Martin van Hensbergen)
1314 * Fixed HMAC-MD2 by modifying md2_starts(), so that the
1315 required HMAC ipad and opad variables are not cleared.
1316 (found by code coverage tests)
1317 * Prevented use of long long in bignum if
1318 POLARSSL_HAVE_LONGLONG not defined (found by Giles
1319 Bathgate).
1320 * Fixed incorrect handling of negative strings in
1321 mpi_read_string() (found by code coverage tests).
1322 * Fixed segfault on handling empty rsa_context in
1323 rsa_check_pubkey() and rsa_check_privkey() (found by
1324 code coverage tests).
1325 * Fixed incorrect handling of one single negative input
1326 value in mpi_add_abs() (found by code coverage tests).
1327 * Fixed incorrect handling of negative first input
1328 value in mpi_sub_abs() (found by code coverage tests).
1329 * Fixed incorrect handling of negative first input
1330 value in mpi_mod_mpi() and mpi_mod_int(). Resulting
1331 change also affects mpi_write_string() (found by code
1332 coverage tests).
1333 * Corrected is_prime() results for 0, 1 and 2 (found by
1334 code coverage tests).
1335 * Fixed Camellia and XTEA for 64-bit Windows systems.
1336
1337= Version 0.11.1 released on 2009-05-17
1338 * Fixed missing functionality for SHA-224, SHA-256, SHA384,
1339 SHA-512 in rsa_pkcs1_sign()
1340
1341= Version 0.11.0 released on 2009-05-03
1342 * Fixed a bug in mpi_gcd() so that it also works when both
1343 input numbers are even and added testcases to check
1344 (found by Pierre Habouzit).
1345 * Added support for SHA-224, SHA-256, SHA-384 and SHA-512
1346 one way hash functions with the PKCS#1 v1.5 signing and
1347 verification.
1348 * Fixed minor bug regarding mpi_gcd located within the
1349 POLARSSL_GENPRIME block.
1350 * Fixed minor memory leak in x509parse_crt() and added better
1351 handling of 'full' certificate chains (found by Mathias
1352 Olsson).
1353 * Centralized file opening and reading for x509 files into
1354 load_file()
1355 * Made definition of net_htons() endian-clean for big endian
1356 systems (Found by Gernot).
1357 * Undefining POLARSSL_HAVE_ASM now also handles prevents asm in
1358 padlock and timing code.
1359 * Fixed an off-by-one buffer allocation in ssl_set_hostname()
1360 responsible for crashes and unwanted behaviour.
1361 * Added support for Certificate Revocation List (CRL) parsing.
1362 * Added support for CRL revocation to x509parse_verify() and
1363 SSL/TLS code.
1364 * Fixed compatibility of XTEA and Camellia on a 64-bit system
1365 (found by Felix von Leitner).
1366
1367= Version 0.10.0 released on 2009-01-12
1368 * Migrated XySSL to PolarSSL
1369 * Added XTEA symmetric cipher
1370 * Added Camellia symmetric cipher
1371 * Added support for ciphersuites: SSL_RSA_CAMELLIA_128_SHA,
1372 SSL_RSA_CAMELLIA_256_SHA and SSL_EDH_RSA_CAMELLIA_256_SHA
1373 * Fixed dangerous bug that can cause a heap overflow in
1374 rsa_pkcs1_decrypt (found by Christophe Devine)
1375
1376================================================================
1377XySSL ChangeLog
1378
1379= Version 0.9 released on 2008-03-16
1380
1381 * Added support for ciphersuite: SSL_RSA_AES_128_SHA
1382 * Enabled support for large files by default in aescrypt2.c
1383 * Preliminary openssl wrapper contributed by David Barrett
1384 * Fixed a bug in ssl_write() that caused the same payload to
1385 be sent twice in non-blocking mode when send returns EAGAIN
1386 * Fixed ssl_parse_client_hello(): session id and challenge must
1387 not be swapped in the SSLv2 ClientHello (found by Greg Robson)
1388 * Added user-defined callback debug function (Krystian Kolodziej)
1389 * Before freeing a certificate, properly zero out all cert. data
1390 * Fixed the "mode" parameter so that encryption/decryption are
1391 not swapped on PadLock; also fixed compilation on older versions
1392 of gcc (bug reported by David Barrett)
1393 * Correctly handle the case in padlock_xcryptcbc() when input or
1394 ouput data is non-aligned by falling back to the software
1395 implementation, as VIA Nehemiah cannot handle non-aligned buffers
1396 * Fixed a memory leak in x509parse_crt() which was reported by Greg
1397 Robson-Garth; some x509write.c fixes by Pascal Vizeli, thanks to
1398 Matthew Page who reported several bugs
1399 * Fixed x509_get_ext() to accept some rare certificates which have
1400 an INTEGER instead of a BOOLEAN for BasicConstraints::cA.
1401 * Added support on the client side for the TLS "hostname" extension
1402 (patch contributed by David Patino)
1403 * Make x509parse_verify() return BADCERT_CN_MISMATCH when an empty
1404 string is passed as the CN (bug reported by spoofy)
1405 * Added an option to enable/disable the BN assembly code
1406 * Updated rsa_check_privkey() to verify that (D*E) = 1 % (P-1)*(Q-1)
1407 * Disabled obsolete hash functions by default (MD2, MD4); updated
1408 selftest and benchmark to not test ciphers that have been disabled
1409 * Updated x509parse_cert_info() to correctly display byte 0 of the
1410 serial number, setup correct server port in the ssl client example
1411 * Fixed a critical denial-of-service with X.509 cert. verification:
1412 peer may cause xyssl to loop indefinitely by sending a certificate
1413 for which the RSA signature check fails (bug reported by Benoit)
1414 * Added test vectors for: AES-CBC, AES-CFB, DES-CBC and 3DES-CBC,
1415 HMAC-MD5, HMAC-SHA1, HMAC-SHA-256, HMAC-SHA-384, and HMAC-SHA-512
1416 * Fixed HMAC-SHA-384 and HMAC-SHA-512 (thanks to Josh Sinykin)
1417 * Modified ssl_parse_client_key_exchange() to protect against
1418 Daniel Bleichenbacher attack on PKCS#1 v1.5 padding, as well
1419 as the Klima-Pokorny-Rosa extension of Bleichenbacher's attack
1420 * Updated rsa_gen_key() so that ctx->N is always nbits in size
1421 * Fixed assembly PPC compilation errors on Mac OS X, thanks to
1422 David Barrett and Dusan Semen
1423
1424= Version 0.8 released on 2007-10-20
1425
1426 * Modified the HMAC functions to handle keys larger
1427 than 64 bytes, thanks to Stephane Desneux and gary ng
1428 * Fixed ssl_read_record() to properly update the handshake
1429 message digests, which fixes IE6/IE7 client authentication
1430 * Cleaned up the XYSSL* #defines, suggested by Azriel Fasten
1431 * Fixed net_recv(), thanks to Lorenz Schori and Egon Kocjan
1432 * Added user-defined callbacks for handling I/O and sessions
1433 * Added lots of debugging output in the SSL/TLS functions
1434 * Added preliminary X.509 cert. writing by Pascal Vizeli
1435 * Added preliminary support for the VIA PadLock routines
1436 * Added AES-CFB mode of operation, contributed by chmike
1437 * Added an SSL/TLS stress testing program (ssl_test.c)
1438 * Updated the RSA PKCS#1 code to allow choosing between
1439 RSA_PUBLIC and RSA_PRIVATE, as suggested by David Barrett
1440 * Updated ssl_read() to skip 0-length records from OpenSSL
1441 * Fixed the make install target to comply with *BSD make
1442 * Fixed a bug in mpi_read_binary() on 64-bit platforms
1443 * mpi_is_prime() speedups, thanks to Kevin McLaughlin
1444 * Fixed a long standing memory leak in mpi_is_prime()
1445 * Replaced realloc with malloc in mpi_grow(), and set
1446 the sign of zero as positive in mpi_init() (reported
1447 by Jonathan M. McCune)
1448
1449= Version 0.7 released on 2007-07-07
1450
1451 * Added support for the MicroBlaze soft-core processor
1452 * Fixed a bug in ssl_tls.c which sometimes prevented SSL
1453 connections from being established with non-blocking I/O
1454 * Fixed a couple bugs in the VS6 and UNIX Makefiles
1455 * Fixed the "PIC register ebx clobbered in asm" bug
1456 * Added HMAC starts/update/finish support functions
1457 * Added the SHA-224, SHA-384 and SHA-512 hash functions
1458 * Fixed the net_set_*block routines, thanks to Andreas
1459 * Added a few demonstration programs: md5sum, sha1sum,
1460 dh_client, dh_server, rsa_genkey, rsa_sign, rsa_verify
1461 * Added new bignum import and export helper functions
1462 * Rewrote README.txt in program/ssl/ca to better explain
1463 how to create a test PKI
1464
1465= Version 0.6 released on 2007-04-01
1466
1467 * Ciphers used in SSL/TLS can now be disabled at compile
1468 time, to reduce the memory footprint on embedded systems
1469 * Added multiply assembly code for the TriCore and modified
1470 havege_struct for this processor, thanks to David Patiño
1471 * Added multiply assembly code for 64-bit PowerPCs,
1472 thanks to Peking University and the OSU Open Source Lab
1473 * Added experimental support of Quantum Cryptography
1474 * Added support for autoconf, contributed by Arnaud Cornet
1475 * Fixed "long long" compilation issues on IA-64 and PPC64
1476 * Fixed a bug introduced in xyssl-0.5/timing.c: hardclock
1477 was not being correctly defined on ARM and MIPS
1478
1479= Version 0.5 released on 2007-03-01
1480
1481 * Added multiply assembly code for SPARC and Alpha
1482 * Added (beta) support for non-blocking I/O operations
1483 * Implemented session resuming and client authentication
1484 * Fixed some portability issues on WinCE, MINIX 3, Plan9
1485 (thanks to Benjamin Newman), HP-UX, FreeBSD and Solaris
1486 * Improved the performance of the EDH key exchange
1487 * Fixed a bug that caused valid packets with a payload
1488 size of 16384 bytes to be rejected
1489
1490= Version 0.4 released on 2007-02-01
1491
1492 * Added support for Ephemeral Diffie-Hellman key exchange
1493 * Added multiply asm code for SSE2, ARM, PPC, MIPS and M68K
1494 * Various improvement to the modular exponentiation code
1495 * Rewrote the headers to generate the API docs with doxygen
1496 * Fixed a bug in ssl_encrypt_buf (incorrect padding was
1497 generated) and in ssl_parse_client_hello (max. client
1498 version was not properly set), thanks to Didier Rebeix
1499 * Fixed another bug in ssl_parse_client_hello: clients with
1500 cipherlists larger than 96 bytes were incorrectly rejected
1501 * Fixed a couple memory leak in x509_read.c
1502
1503= Version 0.3 released on 2007-01-01
1504
1505 * Added server-side SSLv3 and TLSv1.0 support
1506 * Multiple fixes to enhance the compatibility with g++,
1507 thanks to Xosé Antón Otero Ferreira
1508 * Fixed a bug in the CBC code, thanks to dowst; also,
Paul Bakker60b1d102013-10-29 10:02:51 +01001509 the bignum code is no longer dependent on long long
Paul Bakker99ed6782011-01-05 14:48:42 +00001510 * Updated rsa_pkcs1_sign to handle arbitrary large inputs
1511 * Updated timing.c for improved compatibility with i386
1512 and 486 processors, thanks to Arnaud Cornet
1513
1514= Version 0.2 released on 2006-12-01
1515
1516 * Updated timing.c to support ARM and MIPS arch
1517 * Updated the MPI code to support 8086 on MSVC 1.5
1518 * Added the copyright notice at the top of havege.h
1519 * Fixed a bug in sha2_hmac, thanks to newsoft/Wenfang Zhang
1520 * Fixed a bug reported by Adrian Rüegsegger in x509_read_key
1521 * Fixed a bug reported by Torsten Lauter in ssl_read_record
1522 * Fixed a bug in rsa_check_privkey that would wrongly cause
1523 valid RSA keys to be dismissed (thanks to oldwolf)
1524 * Fixed a bug in mpi_is_prime that caused some primes to fail
1525 the Miller-Rabin primality test
1526
1527 I'd also like to thank Younès Hafri for the CRUX linux port,
1528 Khalil Petit who added XySSL into pkgsrc and Arnaud Cornet
1529 who maintains the Debian package :-)
1530
1531= Version 0.1 released on 2006-11-01
1532