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Author SHA1 Message Date
Manuel Pégourié-Gonnard
66d396826a Merge remote-tracking branch 'public/pr/1516' into development-proposed 
* public/pr/1516:
  Update sha512.h
 2018-04-18 16:13:52 +02:00
Manuel Pégourié-Gonnard
bb93c04aab Merge remote-tracking branch 'public/pr/1515' into development-proposed 
* public/pr/1515:
  Update sha256.h
  Update sha256.h
 2018-04-18 16:13:52 +02:00
Gilles Peskine
b80f04eb67 Merge remote-tracking branch 'upstream-public/pr/1514' into development-proposed 2018-04-18 16:13:30 +02:00
Gilles Peskine
2e1934ac0c Fix comment formatting to pacify check-names.sh 2018-04-18 16:08:26 +02:00
Manuel Pégourié-Gonnard
a9377336be Merge remote-tracking branch 'public/pr/1513' into development-proposed 
* public/pr/1513:
  Update rsa.h
  Update rsa.h
  Update rsa.h
 2018-04-18 11:58:53 +02:00
Manuel Pégourié-Gonnard
0392bff1b9 Merge remote-tracking branch 'public/pr/1512' into development-proposed 
* public/pr/1512:
  Update md.h
  Update md.h
 2018-04-18 11:57:50 +02:00
Manuel Pégourié-Gonnard
b3a8fe7285 Merge remote-tracking branch 'public/pr/1509' into development-proposed 
* public/pr/1509:
  Update ecdh.h
  Update ecdh.h
 2018-04-18 11:56:49 +02:00
Manuel Pégourié-Gonnard
01d72df113 Merge remote-tracking branch 'public/pr/1508' into development-proposed 
* public/pr/1508:
  Update ctr_drbg.h
  Update ctr_drbg.h
 2018-04-18 11:55:30 +02:00
Manuel Pégourié-Gonnard
7153496395 Merge remote-tracking branch 'public/pr/1507' into development-proposed 
* public/pr/1507:
  Update cmac.h
  Update cmac.h
 2018-04-18 11:54:42 +02:00
Manuel Pégourié-Gonnard
c265a25f4f Merge remote-tracking branch 'public/pr/1503' into development-proposed 
* public/pr/1503:
  Update aes.h
  Update aes.h
 2018-04-18 11:48:10 +02:00
Rose Zadik
fa1fe36e08
Update dhm.h 
Minor fix based on review comments
 2018-04-18 10:09:31 +01:00
Rose Zadik
ee96359d89
Update dhm.h 
Changes based on review comments
 2018-04-18 09:46:12 +01:00
Andrzej Kurek
f13ca9536c Test suites: print error on failed platform_setup 
Return encountered errors instead of covering them
Fix return value on the broken snprintf implementation
 2018-04-18 04:14:31 -04:00
Mohammad Azim Khan
e5b5bd7a40 Allocate a unique err code for MBEDTLS_ERR_AES_BAD_INPUT_DATA 2018-04-17 23:29:47 +01:00
Mohammad Azim Khan
3f7f8170d6 Check invalid nc_off 
Uninitialized nc_off value >0xf passed by the caller can cause array out-of-bound.
 2018-04-17 23:18:40 +01:00
Andres Amaya Garcia
14a8b59d7b Fix doxygen error for MBEDTLS_PLATFORM_ZEROIZE_ALT 2018-04-17 16:56:12 +01:00
Rose Zadik
379b95ca9b
Update ccm.h 
Updated return values for mbedtls_ccm_auth_decrypt().
 2018-04-17 16:43:00 +01:00
Rose Zadik
477dce15bc
Update ccm.h 
updated brief desc.
 2018-04-17 16:31:22 +01:00
Andres Amaya Garcia
c58787f507 Update docs for MBEDTLS_PLATFORM_ZEROIZE_ALT in config.h 2018-04-17 10:21:45 -05:00
Andres Amaya Garcia
3ea559ea6c Fix alignment in makefile 2018-04-17 10:17:22 -05:00
Andres Amaya Garcia
eecea0e281 Update zeroize test to use mbedtls_platform_zeroize() 2018-04-17 10:14:53 -05:00
Andres Amaya Garcia
9644983ae4 Add platform_utils and zeroize to visualc files 2018-04-17 10:03:44 -05:00
Andres Amaya Garcia
82934be144 Do not install zeroize program in CMakeLists 2018-04-17 10:02:17 -05:00
Andres Amaya Garcia
1f6301b3c8 Rename mbedtls_zeroize to mbedtls_platform_zeroize 2018-04-17 10:00:21 -05:00
Andres Amaya Garcia
904e1efb8c Make utils module part of the platform 2018-04-17 10:00:11 -05:00
Rose Zadik
ec5d416cb2
Update ecdsa.h 
minor fix based on review comments
 2018-04-17 15:55:28 +01:00
Andres Amaya Garcia
ae8e306973 Fix docs typos for zeroize related features/test 2018-04-17 09:21:49 -05:00
Andres Amaya Garcia
757cd72edf Update license headers year and branding 2018-04-17 09:21:49 -05:00
Andres Amaya Garcia
42defd10a6 Improve docs for zeroize.c and test_zeroize.gdb 2018-04-17 09:21:49 -05:00
Andres Amaya Garcia
1e8ea5fa68 Improve docs for mbedtls_zeroize() and add refs 2018-04-17 09:21:49 -05:00
Andres Amaya Garcia
6606d5c414 Add config.h docs for MBEDTLS_UTILS_ZEROIZE_ALT 2018-04-17 09:21:49 -05:00
Andres Amaya Garcia
1962405be1 Justify moving zeroize() to utils in ChangeLog 2018-04-17 09:21:49 -05:00
Andres Amaya Garcia
806f403a02 Improve detection of program exit code in gdb script 2018-04-17 09:19:05 -05:00
Andres Amaya Garcia
6e34e63eb3 Fix style in programs/test/zeroize.c 2018-04-17 09:19:05 -05:00
Andres Amaya Garcia
7111a0d13b Change test_zeroize.gdb script breakpoint due to zeroize.c change 2018-04-17 09:19:05 -05:00
Andres Amaya Garcia
88f8f41e5a Move zeroize func call to end of program in zeroize.c 2018-04-17 09:19:05 -05:00
Andres Amaya Garcia
0bd4237c2a Fix formatting in utils.c file comment 2018-04-17 09:19:05 -05:00
Andres Amaya Garcia
ecd1891c51 Change mbedtls_zeroize() to prevent optimizations 
Change mbedtls_zeroize() implementation to use memset() instead of a
custom implementation for performance reasons. Furthermore, we would
also like to prevent as much as we can compiler optimisations that
remove zeroization code.

The implementation of mbedtls_zeroize() now uses a volatile function
pointer to memset() as suggested by Colin Percival at:

http://www.daemonology.net/blog/2014-09-04-how-to-zero-a-buffer.html
 2018-04-17 09:19:05 -05:00
Andres Amaya Garcia
2967381ccd Extend zeroize tests to multiple optimizations 
Extend the all.sh test to cover multiple compiler optimization levels.
At the momment, the test is run using gcc and clang.
 2018-04-17 09:19:05 -05:00
Andres Amaya Garcia
24768bfa37 Improve test_zeroize.gdb breakpoint 
Improve the position of the breakpoint to be set at a line of code that
is less likely to be optimised out by the compiler. Setting the breakpoint
at a place that can be easily optimised out by the compiler will cause the
gdb script to fail as it cannot match the source code line to the
compiled code. For this reason the breakpoint is now set at the fclose()
call which is very unlikely to be optimised out or there might be a
resource leak.
 2018-04-17 09:19:05 -05:00
Andres Amaya Garcia
b1262a3bdb Allow compile-time alternate to mbedtls_zeroize() 
Add a new macro MBEDTLS_UTILS_ZEROIZE that allows users to configure
mbedtls_zeroize() to an alternative definition when defined. If the
macro is not defined, then mbed TLS will use the default definition of
the function.
 2018-04-17 09:19:05 -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
Andres Amaya Garcia
d0d7bf614e Add gdb zeroize test when compiling with clang 2018-04-17 09:17:38 -05:00
Andres Amaya Garcia
f2d17929c0 Document test_zeroize.gdb script 2018-04-17 09:17:38 -05:00
Andres Amaya Garcia
c6b0abd5a6 Fix alignment of Makefiles 2018-04-17 09:17:38 -05:00
Andres Amaya Garcia
9a65b1de2a Add utils.h ChangeLog entry 2018-04-17 09:17:38 -05:00
Andres Amaya Garcia
ddebc49f28 Add gdb script to test mbedtls_zeroize() 
The gdb script loads the programs/test/zeroize program and feeds it as
imput its own source code. Then sets a breakpoint just before the last
program's return code and checks that every element in memory was
zeroized. Otherwise it signals a failure and terminates.

The test was added to all.sh.
 2018-04-17 09:17:38 -05:00
Andres Amaya Garcia
5ab74a1401 Add programs/test/zeroize.c to test mbedtls_zeroize 
The idea is to use the simple program that is expected to be modified
rarely to set a breakpoint in a specific line and check that the
function mbedtls_zeroize() does actually set the buffer to 0 and is not
optimised out by the compiler.
 2018-04-17 09:17:38 -05:00
Andres Amaya Garcia
614d9c0667 Add a utils.h file that contains common functions 
The new header contains common information across various mbed TLS
modules and avoids code duplication. To start, utils.h currently only
contains the mbedtls_zeroize() function.
 2018-04-17 09:17:38 -05:00
Rose Zadik
21e2926736
Update rsa.h 
minor change to the file's brief desc.
 2018-04-17 14:08:56 +01:00