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236 commits

Author SHA1 Message Date
Paul Bakker
ed27a041e4 More granular define selections within code to allow for smaller code 
sizes
 2013-04-18 23:12:34 +02:00
Paul Bakker
d4a56ec6bf Added pre-shared key handling for the client side of SSL / TLS 
Client side handling of the pure PSK ciphersuites is now in the base
code.
 2013-04-18 23:12:33 +02:00
Paul Bakker
f7abd422dc Removed extra spaces on end of lines 2013-04-16 18:09:45 +02:00
Paul Bakker
8f4ddaeea9 Ability to specify allowed ciphersuites based on the protocol version. 
The ciphersuites parameter in the ssl_session structure changed from
'int *' to 'int *[4]'.

The new function ssl_set_ciphersuite_for_version() sets specific entries
inside this array. ssl_set_ciphersuite() sets all entries to the same
value.
(cherry picked from commit a62729888b9d8eafbfa952fca63a04100ed90f69)

Conflicts:
	ChangeLog
	library/ssl_srv.c
	library/ssl_tls.c
 2013-04-16 18:09:45 +02:00
Paul Bakker
b7149bcc90 Corrected behaviour for CBC-based suites using the SHA384 MAC and PRF 2013-03-20 15:30:09 +01:00
Paul Bakker
41c83d3f67 Added Ephemeral Elliptic Curve Diffie Hellman ciphersuites to SSL/TLS 
Made all modifications to include Ephemeral Elliptic Curve Diffie
Hellman ciphersuites into the existing SSL/TLS modules. All basic
handling of the ECDHE-ciphersuites (TLS_ECDHE_RSA_WITH_NULL_SHA,
TLS_ECDHE_RSA_WITH_RC4_128_SHA, TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA,
TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA, TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA)
has been included.
 2013-03-20 14:39:14 +01:00
Paul Bakker
68884e3c09 Moved to advanced ciphersuite representation and more dynamic SSL code 2013-03-13 14:48:32 +01:00
Paul Bakker
c9118b433b Renamed hash structures to ctx 2013-03-13 11:48:39 +01:00
Paul Bakker
92be97b8e6 Align data with future location based on IV size 2013-03-13 11:46:00 +01:00
Paul Bakker
07eb38ba31 Update ssl_hw_record_init() to receive keylen, ivlen and maclen as well 
Added ssl_hw_record_activate()
 2013-03-13 11:44:40 +01:00
Paul Bakker
c7878113cb Do not set done in case of a fall-through 2013-03-13 11:44:40 +01:00
Paul Bakker
5bd422937a Reverted commit 186751d9dd and made out_hdr and out_msg back-to-back again 2013-03-13 11:44:40 +01:00
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
Paul Bakker
1fd00bfe82 - Fixed bug in ssl_write() when flushing old data (Fixes ticket #18) 2011-03-14 20:50:15 +00:00
Paul Bakker
cdf07e9979 - Information about missing or non-verified client certificate is not provided as well. 2011-01-30 17:05:13 +00:00
Paul Bakker
e3166ce040 - Renamed ciphers member of ssl_context and cipher member of ssl_session to ciphersuites and ciphersuite respectively. This clarifies the difference with the generic cipher layer and is better naming altogether 
- Adapted in the rest of using code as well
 2011-01-27 17:40:50 +00:00
Paul Bakker
43b7e35b25 - Support for PKCS#11 through the use of the pkcs11-helper library 2011-01-18 15:27:19 +00:00
Paul Bakker
72f6266f02 - Improved information provided about current Hashing, Cipher and Suite capabilities 2011-01-16 21:27:44 +00:00
Paul Bakker
43ca69c38a - Added function for stringified SSL/TLS version 2011-01-15 17:35:19 +00:00
Paul Bakker
b63b0afc05 - Added verification callback in certificate verification chain in order to allow external blacklisting 2011-01-13 17:54:59 +00:00
Paul Bakker
1b57b06751 - Added reading of DHM context from memory and file 2011-01-06 15:48:19 +00:00
Paul Bakker
2e11f7d966 - Added support for TLS v1.1 
- Renamed some SSL defines to prevent future naming confusion
 2010-07-25 14:24:53 +00:00
Paul Bakker
b96f154e51 - Fixed copyright message 2010-07-18 20:36:00 +00:00
Paul Bakker
84f12b76fc - Updated Copyright to correct entity 2010-07-18 10:13:04 +00:00
Paul Bakker
77a43580da - Added support for the SSL_EDH_RSA_AES_128_SHA and SSL_EDH_RSA_CAMELLIA_128_SHA ciphersuites 2010-06-15 21:32:46 +00:00
Paul Bakker
57b7914445 - String peer_cn in ssl context made const as well. 2010-03-24 06:51:15 +00:00
Paul Bakker
2908713af1 - Corrected behaviour 2010-03-21 21:03:34 +00:00
Paul Bakker
fc8c4360b8 - Updated copyright line to 2010 2010-03-21 17:37:16 +00:00
Paul Bakker
1f3c39c194 - Removed copyright line for Christophe Devine for clarity 2010-03-21 17:30:05 +00:00
Paul Bakker
baad6504d4 - Changed ARC4 to use seperate input/output buffer 2010-03-21 15:42:15 +00:00
Paul Bakker
ff60ee6c2a - Added const-correctness to main codebase 2010-03-16 21:09:09 +00:00
Paul Bakker
1f76115340 - Fixed bug resulting in failure to send the last certificate in the chain in ssl_write_certificate() and ssl_write_certificate_request() 2010-02-18 18:16:31 +00:00
Paul Bakker
77b385e91a - Updated copyright messages on all relevant files 2009-07-28 17:23:11 +00:00
Paul Bakker
40ea7de46d - Added CRL revocation support to x509parse_verify() 
- Fixed an off-by-one allocation in ssl_set_hostname()
 - Added CRL support to SSL/TLS code
 2009-05-03 10:18:48 +00:00
Paul Bakker
ef75f25be7 - Proper sequence of ciphersuites 2009-03-28 18:43:23 +00:00
Paul Bakker
2da561c2a1 - Moved debug message in ssl_free() before clearing of ssl context 2009-02-05 18:00:28 +00:00
Paul Bakker
785a9eeece - Added email address to header license information 2009-01-25 14:15:10 +00:00
Paul Bakker
b5ef0bada4 - Added SSL_RSA_CAMELLIA_128_SHA, SSL_RSA_CAMELLIA_256_SHA, SSL_EDH_RSA_CAMELLIA_256_SHA ciphersuites to SSL 2009-01-11 20:25:36 +00:00
Paul Bakker
e0ccd0a7c3 - Updated Copyright notices 2009-01-04 16:27:10 +00:00
Paul Bakker
40e46940df - First replacement of xyssl by polarssl where needed 2009-01-03 21:51:57 +00:00
Paul Bakker
5121ce5bdb - Renamed include directory to polarssl 2009-01-03 21:22:43 +00:00