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72 commits

Author SHA1 Message Date
Manuel Pégourié-Gonnard 42571ddb4e Fix references to non-standard SIZE_T_MAX 
Turns out C99 doesn't define SIZE_T_MAX, so let's not use it.
 2015-10-05 15:31:53 +01:00
Manuel Pégourié-Gonnard 9b75305d6a Fix potential buffer overflow in mpi_read_string() 
Found by Guido Vranken.

Two possible integer overflows (during << 2 or addition in BITS_TO_LIMB())
could result in far too few memory to be allocated, then overflowing the
buffer in the subsequent for loop.

Both integer overflows happen when slen is close to or greater than
SIZE_T_MAX >> 2 (ie 2^30 on a 32 bit system).

Note: one could also avoid those overflows by changing BITS_TO_LIMB(s << 2) to
CHARS_TO_LIMB(s >> 1) but the solution implemented looks more robust with
respect to future code changes.
 2015-10-01 16:59:55 +02:00
Paul Bakker 530927b163 Update copyright line to 2015 2015-02-13 14:24:10 +01:00
Manuel Pégourié-Gonnard e12abf90ce Fix url 2015-01-28 17:13:45 +00:00
Manuel Pégourié-Gonnard 0edee5e386 Update copyright notice 2015-01-26 15:29:40 +00:00
Paul Bakker 312da33ef1 Introduce polarssl_zeroize() instead of memset() for zeroization 2014-07-08 18:28:52 +02:00
Paul Bakker 358d325017 Fix bug with mpi_fill_random() on big-endian 2014-07-08 18:28:42 +02:00
Paul Bakker 6995efe8be Potential memory leak in mpi_exp_mod() when error occurs during 
calculation of RR.
 2014-07-08 14:32:35 +02:00
Manuel Pégourié-Gonnard a9f86e03ed Make the compiler work-around more specific 2014-07-08 11:13:59 +02:00
Manuel Pégourié-Gonnard 57291a7019 Work around a compiler bug on OS X. 2014-07-08 11:13:42 +02:00
Manuel Pégourié-Gonnard 397858b81d Avoid "unreachable code" warning 2014-07-07 17:46:33 +02:00
Paul Bakker 1dc45f15a6 Added MPI_CHK around unguarded mpi calls 2014-07-07 17:46:25 +02:00
Manuel Pégourié-Gonnard d220f8b709 Fix potential memory leak in bignum selftest 2014-07-07 16:01:33 +02:00
Manuel Pégourié-Gonnard 7fd620b331 Fix misplaced initialisation. 
If one of the calls to mpi_grow() before setting Apos would fail, then
mpi_free( &Apos ) would be executed without Apos being initialised.
 2014-07-07 16:01:31 +02:00
Paul Bakker 78e819698b Added missing MPI_CHK() around some statements 2014-07-07 16:01:10 +02:00
Paul Bakker c3ec63df42 Minor change that makes life easier for static analyzers / compilers 2014-07-07 14:06:22 +02:00
Paul Bakker 52b845be34 Fixed bignum.c and bn_mul.h to support Thumb2 and LLVM compiler 2013-06-14 11:37:37 +02:00
Paul Bakker 8ddb645ad3 Added conversion to int for a t_uint value to prevent compiler warnings 
On 64-bit platforms t_uint can be larger than int resulting in compiler
warnings on some platforms (MS Visual Studio)
 2013-03-06 18:00:54 +01:00
Manuel Pégourié-Gonnard e44ec108be Fixed segfault in mpi_shift_r() 
Fixed memory leak in test_suite_mpi
Amended ChangeLog
 2012-11-18 23:15:02 +01:00
Paul Bakker f02c5642d0 - Allow R and A to point to same mpi in mpi_div_mpi 2012-11-13 10:25:21 +00:00
Paul Bakker 096348fa79 - Fixed comments / typos 2012-11-07 20:05:38 +00:00
Paul Bakker d9374b05d6 - Moved mpi_inv_mod() outside POLARSSL_GENPRIME 2012-11-02 11:02:58 +00:00
Paul Bakker d2c167e9a8 - And fixed order 2012-10-30 07:49:19 +00:00
Paul Bakker 98fe5eaf47 - Removed snprintf altogether for critical code paths 2012-10-24 11:17:48 +00:00
Paul Bakker 331f5630e9 - Do not use sprintf(), use snprintf() instead. 2012-10-24 10:16:39 +00:00
Paul Bakker c110d025c2 - Added extra check to prevent crash on failed memory allocation 2012-10-19 12:15:08 +00:00
Paul Bakker 62261d6bd6 - Rewrote bignum type definition #ifdef tree to work better on all 
systems
 2012-10-02 12:19:31 +00:00
Paul Bakker 5c2364c2ba - Moved from unsigned long to uint32_t throughout code 2012-10-01 14:41:15 +00:00
Paul Bakker 5531c6d92c - Change buffer size on mpi_write_file() to cover larger size MPIs 2012-09-26 19:20:46 +00:00
Paul Bakker 2d319fdfcb - Fixed bug in mpi_add_abs with adding a small number to a large mpi with carry rollover. 2012-09-16 21:34:26 +00:00
Paul Bakker 50546921ac - Moved to prevent uninitialized exit var 2012-05-19 08:40:49 +00:00
Paul Bakker f6198c1513 - mpi_exp_mod() now correctly handles negative base numbers (Closes ticket #52) 2012-05-16 08:02:29 +00:00
Paul Bakker 6b906e5095 - Const correctness mpi_get_bit() 
- Documentation mpi_lsb(), mpi_msb()
 2012-05-08 12:01:43 +00:00
Paul Bakker 901c65620e - Fill full buffer (Wrong parameter usage) 2012-04-20 13:25:38 +00:00
Paul Bakker 0c8f73ba8b - Fixed a mistake in mpi_cmp_mpi() where longer B values are handled wrong 2012-03-22 14:08:57 +00:00
Paul Bakker 39dfdaca8f - Fixed mpi_fill_random() to fill and create right size MPI 2012-02-12 17:17:27 +00:00
Paul Bakker 17caec12af - Changed back statement 2012-01-22 20:37:32 +00:00
Paul Bakker cf0360a14e - Fixed compiler error on 64-bit systems not using GCC 
- t_udbl optimization now also works on platforms that did not define POLARSSL_HAVE_LONGLONG
 2012-01-20 10:08:14 +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 cb37aa5912 - Better buffer handling in mpi_read_file() 2011-11-30 16:00:20 +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 fe3256e54b - Introduced POLARSSL_MPI_MAX_SIZE and POLARSSL_MPI_MAX_BITS for MPI size management (Closes ticket #44) 2011-11-25 12:11:43 +00:00
Paul Bakker b6d5f08051 - Added POLARSSL_MPI_WINDOW_SIZE definition to allow easier time to memory trade-off 2011-11-25 11:52:11 +00:00
Paul Bakker adb7ce16c0 - Fixed unconverted t_dbl into t_udbl 2011-08-23 14:55:55 +00:00
Paul Bakker 5690efccc4 - Fixed a whole bunch of dependencies on defines between files, examples and tests 2011-05-26 13:16:06 +00:00
Paul Bakker 2f5947e1f6 - Added mpi_get_bit() and mpi_set_bit() individual bit setter/getter functions. 2011-05-18 15:47:11 +00:00
Paul Bakker 6c591fab72 - mpi_init() and mpi_free() only accept a single argument and do not accept variable arguments anymore. This prevents unexpected memory corruption in a number of use cases. 2011-05-05 11:49:20 +00:00
Paul Bakker f968857a82 - Removed conversions to int when not needed to prevent signed / unsigned situations 
- Maximized mpi limb size
 2011-05-05 10:00:45 +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 a755ca1bbe - Renamed t_s_int, t_int and t_dbl to respectively t_sint, t_uint and t_udbl for clarity 2011-04-24 09:11:17 +00:00