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749 Commits 88 Branches 205 Tags 69 MiB
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78 Commits

Author SHA1 Message Date
Paul Bakker
4087c47043 Added mechanism to provide alternative cipher / hash implementations 
All symmetric cipher algorithms and hash algorithms now include support
for a POLARSSL_XXX_ALT flag that prevents the definition of the
algorithm context structure and all 'core' functions.
 2013-06-12 16:57:46 +02:00
Paul Bakker
1922a4e6aa ssl_parse_certificate() now calls x509parse_crt_der() directly 2013-06-06 15:11:16 +02:00
Paul Bakker
eae09db9e5 Fixed const correctness issues that have no impact on the ABI 2013-06-06 12:35:54 +02:00
Paul Bakker
a62729888b Ability to specify allowed ciphersuites based on the protocol version. 
The ciphersuites parameter in the ssl_session structure changed from
'int *' to 'int **' and is now malloced in ssl_init() and freed in
ssl_free().

The new function ssl_set_ciphersuite_for_version() sets specific entries
inside this array. ssl_set_ciphersuite() sets all entries to the same
value.
 2013-04-12 13:13:43 +02:00
Paul Bakker
926c8e49fe Fixed possible NULL pointer exception in ssl_get_ciphersuite() 2013-03-06 18:01:03 +01:00
Paul Bakker
e47b34bdc8 Removed further timing differences during SSL message decryption in ssl_decrypt_buf() 
New padding checking is unbiased on correct or incorrect padding and
has no branch prediction timing differences.

The additional MAC checks further straighten out the timing differences.
 2013-02-27 14:48:00 +01:00
Paul Bakker
86f04f400b Fixed comment 2013-02-14 11:20:09 +01:00
Paul Bakker
c0463502ff Fixed memory leak in ssl_free() and ssl_reset() for active session 2013-02-14 11:19:38 +01:00
Paul Bakker
40865c8e5d Added sending of alert messages in case of decryption failures as per RFC 
The flag POLARSSL_SSL_ALERT_MESSAGES switched between enabling and
disabling the sending of alert messages that give adversaries intel
about the result of their action. PolarSSL can still communicate with
other parties if they are disabled, but debugging of issues might be
harder.
 2013-02-02 19:04:13 +01:00
Paul Bakker
d66f070d49 Disable debug messages that can introduce a timing side channel. 
Introduced the POLARSSL_SSL_DEBUG_ALL flag to enable all these debug
messages in case somebody does want to see the reason checks fail.
 2013-02-02 19:04:13 +01:00
Paul Bakker
4582999be6 Fixed timing difference resulting from badly formatted padding. 2013-02-02 19:04:13 +01:00
Paul Bakker
1961b709d8 Added ssl_handshake_step() to allow single stepping the handshake 
process

Single stepping the handshake process allows for better support of
non-blocking network stacks and for getting information from specific
handshake messages if wanted.
 2013-01-25 14:49:24 +01:00
Paul Bakker
769075dfb6 Fixed dependency on POLARSSL_SHA4_C in ssl modules 2012-11-24 11:26:46 +01:00
Paul Bakker
645ce3a2b4 - Moved ciphersuite naming scheme to IANA reserved names 2012-10-31 12:32:41 +00:00
Paul Bakker
b0550d90c9 - Added ssl_get_peer_cert() to SSL API 2012-10-30 07:51:03 +00:00
Paul Bakker
23f3680898 - Added proper support for TLS 1.2 signature_algorithm extension on server 
side
 - Minor const changes to other extension parsing functions
 2012-09-28 14:15:14 +00:00
Paul Bakker
1d29fb5e33 - Added option to add minimum accepted SSL/TLS protocol version 2012-09-28 13:28:45 +00:00
Paul Bakker
62f2deef8b - Set POLARSSL_DHM_RFC5114_MODP_1024_[PG] as default DHM MODP group for SSL/TLS 2012-09-28 07:31:51 +00:00
Paul Bakker
915275ba78 - Revamped x509_verify() and the SSL f_vrfy callback implementations 2012-09-28 07:10:55 +00:00
Paul Bakker
5701cdcd02 - Added ServerName extension parsing (SNI) at server side 2012-09-27 21:49:42 +00:00
Paul Bakker
eb2c658163 - Generalized external private key implementation handling (like PKCS#11) in SSL/TLS 2012-09-27 19:15:01 +00:00
Paul Bakker
0a59707523 - Added simple SSL session cache implementation 
- Revamped session resumption handling
 2012-09-25 21:55:46 +00:00
Paul Bakker
d0f6fa7bdc - Sending of handshake_failures during renegotiation added 
- Handle two legacy modes differently: SSL_LEGACY_BREAK_HANDSHAKE and SSL_LEGACY_NO_RENEGOTIATION
 2012-09-17 09:18:12 +00:00
Paul Bakker
48916f9b67 - Added Secure Renegotiation (RFC 5746) 2012-09-16 19:57:18 +00:00
Paul Bakker
5f70b25c9b - Correctly handle SHA256 ciphersuites in SSLv3 
- Moved ssl3_prf to separate function (no exceptions)
 2012-09-13 14:23:06 +00:00
Paul Bakker
b68cad6cc7 - Made cipersuites in ssl context const (no intention to modify) 
- Adjusted ssl_set_ciphersuites() to match
 2012-08-23 08:34:18 +00:00
Paul Bakker
2770fbd651 - Added DEFLATE compression support as per RFC3749 (requires zlib) 2012-07-03 13:30:23 +00:00
Paul Bakker
186751d9dd - Moved out_msg to out_hdr + 32 to support hardware acceleration 2012-05-08 13:16:14 +00:00
Paul Bakker
05ef835b6a - Added support for Hardware Acceleration hooking in SSL/TLS 2012-05-08 09:17:57 +00:00
Paul Bakker
380da53c48 - Abstracted checksum updating during handshake 2012-04-18 16:10:25 +00:00
Paul Bakker
ca4ab49158 - Added GCM ciphersuites to TLS implementation 2012-04-18 14:23:57 +00:00
Paul Bakker
0a9251870a - Report unexpected_message if unknown record type is received 2012-04-16 06:46:41 +00:00
Paul Bakker
10cd225962 - Added support for the SHA256 ciphersuites of AES and Camellia 2012-04-12 21:26:34 +00:00
Paul Bakker
1ef83d66dd - Initial bare version of TLS 1.2 2012-04-11 12:09:53 +00:00
Paul Bakker
f34cf85534 - Fixed too restrictive test 2012-04-10 07:48:40 +00:00
Paul Bakker
452d532955 - Fixed potential memory corruption on miscrafted client messages (found by Frama-C team at CEA LIST) 2012-04-05 12:07:34 +00:00
Paul Bakker
fab5c829e7 - Added support for NULL cipher (POLARSSL_CIPHER_NULL_CIPHER) and weak ciphersuites (POLARSSL_ENABLE_WEAK_CIPHERSUITES). They are disabled by default! 2012-02-06 16:45:10 +00:00
Paul Bakker
b15b851d6d - Check for failed malloc() in ssl_set_hostname() and x509_get_entries() (Closes ticket #47, found by Hugo Leisink) 2012-01-13 13:44:06 +00:00
Paul Bakker
69e095cc15 - Changed the behaviour of x509parse_parse_crt for permissive parsing. Now returns the number of 'failed certificates' instead of having a switch to enable it. 
- As a consequence all error code that were positive were changed. A lot of MALLOC_FAILED and FILE_IO_ERROR error codes added for different modules.
 - Programs and tests were adapted accordingly
 2011-12-10 21:55:01 +00:00
Paul Bakker
6c0ceb3f9a - Added permissive certificate parsing to x509parse_crt() and x509parse_crtfile(). With permissive parsing the parsing does not stop on encountering a parse-error 2011-12-04 12:24:18 +00:00
Paul Bakker
a3d195c41f - Changed the used random function pointer to more flexible format. Renamed havege_rand() to havege_random() to prevent mistakes. Lots of changes as a consequence in library code and programs 2011-11-27 21:07:34 +00:00
Paul Bakker
490ecc8c3e - Added ssl_set_max_version() to set the client's maximum sent version number 2011-10-06 13:04:09 +00:00
Paul Bakker
7eb013face - Added ssl_session_reset() to allow re-use of already set non-connection specific context information 2011-10-06 12:37:39 +00:00
Paul Bakker
8934a98f82 - Fixed memcpy() that had possible overlapping areas to memmove() 2011-08-05 11:11:53 +00:00
Paul Bakker
39bb418d93 - Made second argument of f_send() prototype and of net_send() const 2011-06-21 07:36:43 +00:00
Paul Bakker
887bd502d2 - Undid fix for ssl_write that introduced a true bug when buffers are running full. 2011-06-08 13:10:54 +00:00
Paul Bakker
831a755d9e - Changed behaviour of net_recv(), ssl_fetch_input() and ssl_read(). net_recv() now returns 0 on EOF instead of POLARSSL_ERR_NET_CONN_RESET. ssl_fetch_input() returns POLARSSL_ERR_SSL_CONN_EOF on an EOF from its f_recv() function. ssl_read() returns 0 if a POLARSSL_ERR_SSL_CONN_EOF is received after the handshake. 
- Network functions now return POLARSSL_ERR_NET_WANT_READ or POLARSSL_ERR_NET_WANT_WRITE instead of the ambiguous POLARSSL_ERR_NET_TRY_AGAIN
 2011-05-18 13:32:51 +00:00
Paul Bakker
9d781407bc - A error_strerror function() has been added to translate between error codes and their description. 
- The error codes have been remapped and combining error codes is now done with a PLUS instead of an OR as error codes used are negative.
 - Descriptions to all error codes have been added.
 - Generation script for error.c has been created to automatically generate error.c from the available error definitions in the headers.
 2011-05-09 16:17:09 +00:00
Paul Bakker
23986e5d5d - Major type rewrite of int to size_t for most variables and arguments used for buffer lengths and loops 2011-04-24 08:57:21 +00:00
Paul Bakker
af5c85fc10 - Improved portability with Microsoft Visual C 2011-04-18 03:47:52 +00:00