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63 Commits

Author SHA1 Message Date
Teppo Järvelin
b5c4671a80 Changed mbedtls_platform_memcpy back to memcpy for selftest and test functions 2019-10-30 14:07:04 +02:00
Teppo Järvelin
91d7938761 Changed every memcpy to SCA equivalent mbedtls_platform_memcpy 
This makes physical attacks more difficult.
 2019-10-30 14:07:04 +02:00
Manuel Pégourié-Gonnard
7a346b866c Replace memset() with mbedtls_platform_memset() 
Steps:

1. sed -i 's/\bmemset(\([^)]\)/mbedtls_platform_memset(\1/g' library/*.c tinycrypt/*.c include/mbedtls/*.h scripts/data_files/*.fmt

2. Manually edit library/platform_util.c to revert to memset() in the
implementations of mbedtls_platform_memset() and mbedtls_platform_memcpy()

3. egrep -n '\<memset\>' library/*.c include/mbedtls/*.h tinycrypt/*.c
The remaining occurrences are in three categories:
    a. From point 2 above.
    b. In comments.
    c. In the initialisation of memset_func, to be changed in a future commit.
 2019-10-22 10:03:07 +02:00
Gilles Peskine
8220466297 Streamline mbedtls_xxx_drbg_update_seed_file 
Refactor mbedtls_ctr_drbg_update_seed_file and
mbedtls_hmac_drbg_update_seed_file to make the error logic clearer.

The new code does not use fseek, so it works with non-seekable files.
 2018-11-26 19:26:22 +01:00
Gilles Peskine
d919993b76 CTR_DRBG: deprecate mbedtls_ctr_drbg_update because it ignores errors 
Deprecate mbedtls_ctr_drbg_update (which returns void) in favor of a
new function mbedtls_ctr_drbg_update_ret which reports error.
 2018-11-26 19:26:00 +01:00
Gilles Peskine
d9aa84dc0d CTR_DRBG: clean stack buffers 
Wipe stack buffers that may contain sensitive data (data that
contributes to the DRBG state.
 2018-11-26 15:47:14 +01:00
Gilles Peskine
ed7da59798 ctr_drbg: add comments relating the code with the NIST specification 2018-08-21 17:55:46 +03:00
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
Paul Sokolovsky
8d6d8c84b1 ctr_drbg: Typo fix in the file description comment. 
Signed-off-by: Paul Sokolovsky <paul.sokolovsky@linaro.org>
 2018-02-10 11:11:41 +02:00
Jaeden Amero
a03587b848 Merge branch 'development' into development-restricted 2018-01-26 12:48:04 +00:00
Dvir Markovich
1b36499062 Improve CTR_DRBG error handling and cleanup 
Check AES return values and return error when needed. Propagate the
underlying AES return code.

Perform more memory cleanup.
 2018-01-26 11:40:31 +00:00
Andres Amaya Garcia
4e2c07c6e1 Zeroize tmp buf in ctr_drbg_write_seed_file() 2017-06-27 16:57:26 +01:00
Andres Amaya Garcia
13f41e1c20 Zeroize tmp bufs in ctr_drbg.c functions 2017-06-26 11:04:35 +01:00
Andres Amaya Garcia
6a54336897 Fix integer overflows in buffer bound checks 
Fix potential integer overflows in the following functions:
  * mbedtls_md2_update() to be bypassed and cause
  * mbedtls_cipher_update()
  * mbedtls_ctr_drbg_reseed()
This overflows would mainly be exploitable in 32-bit systems and could
cause buffer bound checks to be bypassed.
 2017-02-15 23:31:07 +02:00
Simon Butcher
71c7ac5597 Corrects incorrectly named function in ctr_drbg.c comment 2016-05-10 23:47:30 +01:00
Simon Butcher
295639bfa1 Fixes minor typos in comments in pk.h and ctr_drbg.c 
Fixes typos in PRs #475 and #437
 2016-05-10 19:39:36 +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
ccc302692a Fix bug introduced when splitting init functions 2015-05-11 14:35:42 +02:00
Manuel Pégourié-Gonnard
0a4fb09534 Make xxx_drbg_random() thread-safe 2015-05-11 14:35:41 +02:00
Manuel Pégourié-Gonnard
8d128efd48 Split mbedtls_ctr_drbg_init() -> seed() 2015-04-28 22:38:08 +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
932e3934bd Fix typos & Co 2015-04-03 18:46:55 +02:00
Manuel Pégourié-Gonnard
57a26da593 Merge branch 'mbedtls-1.3' into development 
* mbedtls-1.3:
  Use link-time garbage collection in memory.sh
  scripts/memory.sh only work on Linux
  Add missing 'const' on selftest data
  Use only headers for doxygen (no doc in C files)
  Add missing extern "C" guard in aesni.h
  Fix compile error with renego disabled
  Remove slow PKCS5 test
  Stop checking key-cert match systematically
  Make tests/*.sh runnable from anywhere
  Update visual C files
 2015-03-11 10:30:21 +00:00
Manuel Pégourié-Gonnard
28122e4329 Add missing 'const' on selftest data 2015-03-11 09:13:42 +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
967a2a5f8c Change name to mbed TLS in the copyright notice 2015-01-22 14:28:16 +00:00
Manuel Pégourié-Gonnard
5cb4b31057 Fix missing bound check 2015-01-13 14:58:00 +01:00
Paul Bakker
fff0366bba Add ctr_drbg_free() 2014-07-09 10:19:23 +02:00
Paul Bakker
c7ea99af4f Add _init() and _free() for cipher modules 2014-07-09 10:19:22 +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
b9e4e2c97a Fix formatting: fix some 'easy' > 80 length lines 2014-05-01 14:18:25 +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
4c284c9141 Removed LCOV directives from code 2014-03-26 15:33:05 +01:00
Manuel Pégourié-Gonnard
9592485d0c Fix some MSVC12 conversion warnings 2014-03-21 12:03:07 +01:00
Paul Bakker
7dc4c44267 Library files moved to use platform layer 2014-02-06 13:20:16 +01:00
Manuel Pégourié-Gonnard
446ee6618f Add LCOV_EXCLUDE_LINE on some IO errors 2014-02-01 10:08:26 +01:00
Manuel Pégourié-Gonnard
b3b205e081 Clean up details in ctr_drbg_selftest() 2014-01-31 12:04:06 +01:00
Manuel Pégourié-Gonnard
7c59363a85 Remove a few dead stores 2014-01-22 13:02:39 +01:00
Paul Bakker
b9cfaa0c7f Explicit conversions and minor changes to prevent MSVC compiler warnings 2013-10-14 15:50:40 +02:00
Paul Bakker
18f0341aed Typo in comments in ctr_drbg.c 2013-09-11 11:05:56 +02:00