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111 commits

Author SHA1 Message Date
Gilles Peskine
2838b7bfba Use smaller types in mbedtls_md_info_t 
Saves a few bytes of code size.
 2019-07-22 11:35:19 +02:00
Gilles Peskine
84867cffdd Don't use dynamic pointer dispatch in md 
In the generic message digest abstraction, instead of storing method
pointers in the per-algorithm data structure and using wrapper
functions as those methods, call the per-algorithm function directly.

This saves some code size (2336B -> 2043B for md with all algorithms
enabled on M0+ with gcc -Os). This should also make it easier to
optimize the case when a single algorithm is supported. In addition,
this is a very slight security improvement since it removes one
opportunity for a buffer overflow to directly turn into letting the
attacker overwrite a pointer to a function pointer.

This commit does not modify the documented API. However, it removes
the possibility for users to define their own hash implementations and
use them by building their own md_info.

Changing mbedtls_md_context to contain a md type identifier rather
than a pointer to an info structure would save a few more bytes and a
few more runtime memory accesses, but would be a major API break since
a lot of code uses `const mbedtls_md_info *` to keep track of which
hash is in use.
 2019-07-22 11:35:15 +02:00
Jaeden Amero
ebbc5f7940 md: Remove dependency on X.509 2019-03-11 16:46:20 +00:00
Andres Amaya Garcia
1f6301b3c8 Rename mbedtls_zeroize to mbedtls_platform_zeroize 2018-04-17 10:00:21 -05:00
Andres Amaya Garcia
e32df087fb Remove individual copies of mbedtls_zeroize() 
This commit removes all the static occurrencies of the function
mbedtls_zeroize() in each of the individual .c modules. Instead the
function has been moved to utils.h that is included in each of the
modules.
 2018-04-17 09:19:05 -05:00
Jaeden Amero
66954e1c1f Merge branch 'development' into development-restricted 2018-01-25 17:28:31 +00:00
Andres Amaya Garcia
aa464ef23a Fix indentation and add goto cleanup; stmt 2017-07-21 14:27:41 +01:00
Andres Amaya Garcia
42e5e1084e Add goto cleanup; for consistency md.c 2017-07-20 16:27:03 +01:00
Andres Amaya Garcia
0dd4fa0f45 Fix functions in MD layer to check return codes 2017-06-28 14:16:07 +01:00
Andres Amaya Garcia
eb132b655c Zeroize tmp buf in mbedtls_md_file() md.c 2017-06-23 16:30:31 +01:00
Manuel Pégourié-Gonnard
37ff14062e Change main license to Apache 2.0 2015-09-04 14:21:07 +02:00
Manuel Pégourié-Gonnard
6fb8187279 Update date in copyright line 2015-07-28 17:11:58 +02:00
Manuel Pégourié-Gonnard
052a6c9cfe Add mbedtls_md_clone() 2015-07-06 16:06:02 +02:00
Manuel Pégourié-Gonnard
bcc030849a Avoid fclose( NULL ) 
Found by Coverity Scan.
 2015-06-24 00:09:29 +02:00
Manuel Pégourié-Gonnard
88db5da117 Add pre-defined profiles for cert verification 2015-06-17 14:27:38 +02:00
Manuel Pégourié-Gonnard
cb46fd8216 Avoid non-standard strcasecmp() 2015-05-29 10:18:09 +02:00
Manuel Pégourié-Gonnard
bfffa908a6 Implement md_file in the MD layer 2015-05-28 17:28:38 +02:00
Manuel Pégourié-Gonnard
7551cb9ee9 Replace malloc with calloc 
- platform layer currently broken (not adapted yet)
- memmory_buffer_alloc too
 2015-05-26 16:04:06 +02:00
Manuel Pégourié-Gonnard
50518f4195 Rename _wrap headers to _internal 
Makes it clearer that the user is not supposed to include them
 2015-05-26 11:06:12 +02:00
Manuel Pégourié-Gonnard
2cf5a7c98e The Great Renaming 
A simple execution of tmp/invoke-rename.pl
 2015-04-08 13:25:31 +02:00
Manuel Pégourié-Gonnard
147fa097e2 Reintroduce md_init_ctx compatibility wrapper 2015-03-25 21:55:56 +01:00
Manuel Pégourié-Gonnard
abb674467b Rename md_init_ctx() to md_setup() 2015-03-25 21:55:56 +01:00
Manuel Pégourié-Gonnard
a77edade0c Clean up unneeded things 2015-03-25 21:55:56 +01:00
Manuel Pégourié-Gonnard
4063ceb281 Make hmac_ctx optional 
Note from future self: actually md_init_ctx will be re-introduced with the
same signature later, and a new function with the additional argument will be
added.
 2015-03-25 21:55:56 +01:00
Manuel Pégourié-Gonnard
dfb3dc8b53 Make ipad/opad dynamic and more opaque 2015-03-25 21:55:56 +01:00
Manuel Pégourié-Gonnard
8379a82a76 Implement hmac in the MD layer 2015-03-25 21:37:15 +01:00
Manuel Pégourié-Gonnard
ca878dbaa5 Make md_info_t an opaque structure 
- more freedom for us to change it in the future
- enforces hygiene
- performance impact of making accessors no longer inline should really be
  negligible
 2015-03-25 21:37:15 +01:00
Manuel Pégourié-Gonnard
47723147f5 Remove functions deprecated in 1.3 2015-03-20 18:21:12 +00:00
Manuel Pégourié-Gonnard
7f8099773e Rename include directory to mbedtls 2015-03-10 11:23:56 +00:00
Manuel Pégourié-Gonnard
fe44643b0e Rename website and repository 2015-03-06 13:17:10 +00:00
Rich Evans
00ab47026b cleanup library and some basic tests. Includes, add guards to includes 2015-02-10 11:28:46 +00:00
Manuel Pégourié-Gonnard
860b51642d Fix url again 2015-01-28 17:12:07 +00:00
Manuel Pégourié-Gonnard
085ab040aa Fix website url to use https. 2015-01-23 11:06:27 +00:00
Manuel Pégourié-Gonnard
9698f5852c Remove maintainer line. 2015-01-23 10:59:00 +00:00
Manuel Pégourié-Gonnard
19f6b5dfaa Remove redundant "all rights reserved" 2015-01-23 10:54:00 +00:00
Manuel Pégourié-Gonnard
a658a4051b Update copyright 2015-01-23 09:55:24 +00:00
Manuel Pégourié-Gonnard
b4fe3cb1fa Rename to mbed TLS in the documentation/comments 2015-01-22 16:11:05 +00:00
Manuel Pégourié-Gonnard
967a2a5f8c Change name to mbed TLS in the copyright notice 2015-01-22 14:28:16 +00:00
Manuel Pégourié-Gonnard
480905d563 Fix selection of hash from sig_alg ClientHello ext. 2014-08-30 14:19:59 +02:00
Paul Bakker
84bbeb58df Adapt cipher and MD layer with _init() and _free() 2014-07-09 10:19:24 +02:00
Manuel Pégourié-Gonnard
bd77254b18 md_list() starting with strongest hash 2014-07-08 13:03:02 +02:00
Paul Bakker
66d5d076f7 Fix formatting in various code to match spacing from coding style 2014-06-17 17:06:47 +02:00
Paul Bakker
d8bb82665e Fix code styling for return statements 2014-06-17 14:06:49 +02:00
Paul Bakker
3461772559 Introduce polarssl_zeroize() instead of memset() for zeroization 2014-06-14 16:46:03 +02:00
Paul Bakker
9af723cee7 Fix formatting: remove trailing spaces, #endif with comments (> 10 lines) 2014-05-01 13:03:14 +02:00
Manuel Pégourié-Gonnard
cef4ad2509 Adapt sources to configurable config.h name 2014-04-30 16:40:20 +02:00
Paul Bakker
61b699ed1b Renamed RMD160 to RIPEMD160 2014-01-22 14:17:31 +01:00
Manuel Pégourié-Gonnard
e4d47a655b Add RIPEMD-160 to the generic MD layer 2014-01-17 20:41:32 +01:00
Paul Bakker
6edcd41c0a Addition conditions for UEFI environment under MSVC 2013-10-29 15:44:13 +01:00
Paul Bakker
fa6a620b75 Defines for UEFI environment under MSVC added 2013-10-29 14:05:38 +01:00
Paul Bakker
9e36f0475f SHA2 renamed to SHA256, SHA4 renamed to SHA512 and functions accordingly 
The SHA4 name was not clear with regards to the new SHA-3 standard. So
SHA2 and SHA4 have been renamed to better represent what they are:
SHA256 and SHA512 modules.
 2013-06-30 14:34:05 +02:00
Paul Bakker
1bd3ae826c Added md_process() to MD layer for generic internal access to hash 
process functions

Access to process functions is needed to reduce possible timing attacks
on SSL MAC checks. As SSL is set to move to using the dynamic MD layer,
the MD layer needs access to these process functions as well.
 2013-03-13 10:26:44 +01:00
Paul Bakker
279432a7c0 - Fixed size of clean 2012-04-26 10:09:35 +00:00
Paul Bakker
8913f82c26 - Fixed compiler warning for unreferenced ret in md_file() when POLARSSL_FS_IO not declared 2012-01-14 18:07:41 +00:00
Paul Bakker
9c021adeff - Added regular error codes for generic message digest layer 2011-06-09 15:55:11 +00:00
Paul Bakker
335db3f121 - Functions requiring File System functions can now be disables by undefining POLARSSL_FS_IO 2011-04-25 15:28:35 +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
562535d11b - Split current md_starts() and md_hmac_starts() functionality into separate md_init_ctx() for allocating the context and the existing starts() functions to initialize the message digest for use. 2011-01-20 16:42:01 +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
1737385e04 - Added generic message digest wrapper for integration with OpenVPN (donated by Fox-IT) 2011-01-06 14:20:01 +00:00