1
0
mirror of https://github.com/Mbed-TLS/mbedtls.git synced 2025-06-24 01:41:35 +03:00
Commit Graph

94 Commits

Author SHA1 Message Date
9a4074aa1e Move mbedtls_ct_base64_enc_char function to the constant-time module
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
2021-11-26 17:14:21 +01:00
28d611559e Move mbedtls_ct_uchar_mask_of_range function to the constant-time module
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
2021-11-26 17:09:38 +01:00
642eeb2879 Fix documentation and comments
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
2021-11-03 16:13:32 +01:00
22c9a6fccc Rename internal header constant_time.h to constant_time_internal.h
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
2021-10-20 12:15:20 +02:00
90437e3762 Rename constant-time functions to have mbedtls_ct prefix
Rename functions to better suite with the module name.

Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
2021-10-20 11:59:27 +02:00
6a426c9f9f Bind functions' availability for config options
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
2021-10-20 11:17:43 +02:00
765862c4f3 Move mbedtls_cf_memcmp to a new public header
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
2021-10-19 12:22:25 +02:00
e212379810 Bind functions' availability for config options
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
2021-10-18 19:38:02 +02:00
949455892f Remove unused function
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
2021-10-18 17:02:29 +02:00
a2d0f90c5a Make functions static
These functions are only used as an auxiliary function for constant-time functions.

Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
2021-10-18 16:56:50 +02:00
a316fc8eb0 Update documentation and comments
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
2021-10-18 16:39:13 +02:00
63bbba5c13 Rename and reorder function parameters
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
2021-10-18 16:39:13 +02:00
7013f62ee5 Use condition for not sensitive data
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
2021-10-18 16:39:13 +02:00
eab90bcc36 Move implementation specific comment
This comment is about how the functions are implemented, not about their
public interface, so it doesn't belong in the header file.
It applies to everything in constant_time.c so moved there.

Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
2021-10-18 16:39:13 +02:00
1e64261da5 Make mbedtls_cf_size_mask_lt function static
The mbedtls_cf_size_mask_lt is solely used as an auxiliary function
for mbedtls_cf_size_mask_ge.

Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
2021-10-18 16:39:13 +02:00
5b3a32d883 Fix missing includes
Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
2021-09-29 10:53:55 +02:00
90d96cc741 Add documentation for the functions
Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
2021-09-28 17:07:51 +02:00
b11a56e34c Unify equality checker functions return value
The equality checker functions always return 0 or 1 value,
thus the type of return value can be the same dispite of the
size of the parameters.

Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
2021-09-28 16:42:19 +02:00
9cb55698aa Propagate usage of mask generation functions
Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
2021-09-28 16:42:19 +02:00
396438c57b Unify mask generation functions
Generate all-bits 0 or all bits 1 mask from a value instead of from a bit.

Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
2021-09-28 16:42:19 +02:00
87ac5bef97 Unify function parameters
Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
2021-09-28 16:42:16 +02:00
4602564d7a Unify memcmp functions
Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
2021-09-28 16:33:47 +02:00
2dcd7686ce Typo: Unify indentation of function parameters
Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
2021-09-28 16:33:44 +02:00
fdb71183f8 Move mbedtls_cf_rsaes_pkcs1_v15_unpadding function to the constant-time module
Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
2021-09-28 16:28:45 +02:00
65cefdbfcb Create mbedtls_cf_size_if function
Add a constant-time function with size_t parameter for choosing
between two integer values, like the ?: ternary operator.

Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
2021-09-28 16:28:44 +02:00
c29a3da599 Move mbedtls_mpi_lt_mpi_ct function to the constant-time module
Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
2021-09-28 16:28:44 +02:00
5c97621215 Move mbedtls_mpi_safe_cond_swap function to the constant-time module
Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
2021-09-28 16:28:44 +02:00
40a4925128 Move mbedtls_mpi_safe_cond_assign function to the constant-time module
Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
2021-09-28 16:28:44 +02:00
1349ffde84 Move mbedtls_cf_hmac function to the constant-time module
Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
2021-09-28 16:28:44 +02:00
0e7f71e1a9 Move mbedtls_cf_memcpy_offset function to the constant-time module
Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
2021-09-28 16:28:44 +02:00
dee0fd33f1 Move mbedtls_cf_memcpy_if_eq function to the constant-time module
Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
2021-09-28 16:28:43 +02:00
394aeaaefb Move mbedtls_cf_mem_move_to_left function to the constant-time module
Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
2021-09-28 16:28:41 +02:00
be8d98b0be Move mbedtls_cf_mpi_uint_cond_assign function to the constant-time module
Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
2021-09-28 16:23:57 +02:00
d3230d533c Move mbedtls_cf_cond_select_sign function to the constant-time module
Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
2021-09-28 16:21:10 +02:00
b2dbf2c113 Move mbedtls_cf_uint_if function to the constant-time module
Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
2021-09-28 16:21:10 +02:00
3f90fd540a Move mbedtls_cf_mpi_uint_lt function to the constant-time module
Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
2021-09-28 16:21:10 +02:00
5a85442604 Move mbedtls_cf_size_gt function to the constant-time module
Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
2021-09-28 16:21:09 +02:00
8d1d5fd204 Move mbedtls_cf_size_bool_eq function to the constant-time module
There were multiple functions called mbedtls_cf_size_bool_eq. They had exactly
the same behavior, so move the one in bignum.c and remove the other.

Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
2021-09-28 16:20:07 +02:00
16fc57bcc4 Move mbedtls_cf_size_mask_ge function to the constant-time module
Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
2021-09-28 16:16:14 +02:00
c76227d808 Move mbedtls_cf_size_mask_lt function to the constant-time module
Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
2021-09-28 16:16:14 +02:00
3733bf805a Move mbedtls_cf_size_mask function to the constant-time module
Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
2021-09-28 16:16:14 +02:00
340948e4a5 Move mbedtls_cf_uint_mask function to the constant-time module
Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
2021-09-28 16:16:14 +02:00
db9a38c672 Move contatnt-time memcmp functions to the contant-time module
Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
2021-09-28 16:16:14 +02:00
d112534585 Add a new file for constant-time functions
Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
2021-08-11 15:35:28 +02:00