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0518f61e1a
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6990 Commits

Author SHA1 Message Date
Ronald Cron
0518f61e1a psa: Fix slot number key attribute 
Slot number key attribute is specific of dynamically
registered drivers and should thus not be computed/
returned in case of keys associated to drivers
implementing the new unified driver interface.

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
 2021-11-25 17:40:58 +01:00
Ronald Cron
8a0466a052 Clarify psa_get_and_lock_transparent_key_slot_with_policy() purpose 
Clarify the purpose of
psa_get_and_lock_transparent_key_slot_with_policy() and
define it even when MBEDTLS_PSA_CRYPTO_SE_C is disabled
for the purpose of static drivers.

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
 2021-11-25 17:40:58 +01:00
Gilles Peskine
3107b337e1
Merge pull request #5154 from gabor-mezei-arm/3649_bp2x_move_constant_time_functions_into_separate_module 
[Backport 2.x] Move constant-time functions into a separate module
 2021-11-24 19:33:03 +01:00
Gilles Peskine
989a4e9388
Merge pull request #5132 from openluopworld/origin/development_2.x 
Backport 2.x: Fix GCM calculation with very long IV
 2021-11-22 22:22:47 +01:00
Bence Szépkúti
358e0ea464 Indicate nonce sizes invalid for ChaCha20-Poly1305 
Signed-off-by: Bence Szépkúti <bence.szepkuti@arm.com>
 2021-11-17 14:03:08 +01:00
Dave Rodgman
021e724936 Improve PSA error return code 
psa_key_derivation_output_key: prioritize BAD_STATE over NOT_PERMITTED

If psa_key_derivation_output_key() is called on an operation which hasn't been
set up or which has been aborted, return PSA_ERROR_BAD_STATE. Only return
PSA_ERROR_NOT_PERMITTED if the operation state is ok for
psa_key_derivation_input_bytes() or psa_key_derivation_output_bytes() but not
ok to output a key.

Ideally psa_key_derivation_output_key() would return PSA_ERROR_NOT_PERMITTED
only when psa_key_derivation_output_bytes() is possible, but this is clumsier
to implement.

Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
 2021-11-17 10:02:48 +00:00
Gabor Mezei
2dcccbfc19
Fix function name in debug message 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2021-11-16 13:34:05 +01:00
Gabor Mezei
dbe0f892b3
Fix documentation and comments 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2021-11-11 11:33:19 +01:00
Gabor Mezei
c0ae1cf45a
Rename internal header constant_time.h to constant_time_internal.h 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2021-11-11 11:33:19 +01:00
Gabor Mezei
18a44949d0
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>
 2021-11-11 11:32:01 +01:00
Gabor Mezei
da20651b73
Fix documentation 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2021-11-11 11:04:54 +01:00
Gabor Mezei
61bf64fbd0
Bind functions' availability for config options 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2021-11-11 11:04:54 +01:00
Gabor Mezei
e24dea8225
Move mbedtls_cf_memcmp to a new public header 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2021-11-11 11:04:54 +01:00
Gabor Mezei
6e0e990544
Add macro guard for header file 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2021-11-11 11:04:53 +01:00
Gabor Mezei
2b35880d41
Bind functions' availability for config options 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2021-11-11 11:04:53 +01:00
Gabor Mezei
4e2de62fef
Remove unused function 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2021-11-11 11:04:53 +01:00
Gabor Mezei
fd8a42d914
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>
 2021-11-11 11:04:53 +01:00
Gabor Mezei
4b4e4d8880
Update documentation and comments 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2021-11-11 11:04:53 +01:00
Gabor Mezei
91deea7765
Rename and reorder function parameters 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2021-11-11 11:04:53 +01:00
Gabor Mezei
150bdee126
Use condition for not sensitive data 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2021-11-11 11:04:53 +01:00
Gabor Mezei
3c38b6e9e1
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>
 2021-11-11 11:04:52 +01:00
Gabor Mezei
2c5ed2244b
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>
 2021-11-11 11:04:52 +01:00
gabor-mezei-arm
d5a392aa2c
Fix missing includes 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2021-11-11 11:04:52 +01:00
gabor-mezei-arm
7e6a1eaf8f
Add documentation for the functions 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2021-11-11 11:04:52 +01:00
gabor-mezei-arm
1ffd0ccf02
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 <gabor.mezei@arm.com>
 2021-11-11 11:04:52 +01:00
gabor-mezei-arm
60febd5d8a
Propagate usage of mask generation functions 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2021-11-11 11:04:52 +01:00
gabor-mezei-arm
2f2c0bead3
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 <gabor.mezei@arm.com>
 2021-11-11 11:04:51 +01:00
gabor-mezei-arm
5e4882498e
Unify function parameters 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2021-11-11 11:04:51 +01:00
gabor-mezei-arm
378e7eb5cc
Unify memcmp functions 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2021-11-11 11:04:51 +01:00
gabor-mezei-arm
04087dffcd
Typo: Unify indentation of function parameters 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2021-11-11 11:04:51 +01:00
gabor-mezei-arm
f52941ef73
Move mbedtls_cf_rsaes_pkcs1_v15_unpadding function to the constant-time module 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2021-11-11 11:04:51 +01:00
gabor-mezei-arm
c2aee6fc0b
Move the constant-time part of mbedtls_rsa_rsaes_pkcs1_v15_decrypt to a function 
Tne unpadding part of `mbedtls_rsa_rsaes_pkcs1_v15_decrypt` function is
contant-time therefore it moved to a separate function to be prepared
for moving to the contant-time module.

Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2021-11-11 11:04:51 +01:00
gabor-mezei-arm
bc3a288b2c
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 <gabor.mezei@arm.com>
 2021-11-11 11:03:04 +01:00
gabor-mezei-arm
b10301d2fc
Move mbedtls_mpi_lt_mpi_ct function to the constant-time module 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2021-11-11 11:02:38 +01:00
gabor-mezei-arm
58fc8a65ab Move mbedtls_mpi_safe_cond_swap function to the constant-time module 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2021-11-11 11:01:08 +01:00
gabor-mezei-arm
b8caeeed5c Move mbedtls_mpi_safe_cond_assign function to the constant-time module 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2021-11-11 11:00:14 +01:00
gabor-mezei-arm
6e4ace6b40
Delete ssl_invasive.h due to duplicated function declarations 
All function declaration provided by ssl_invasive.h is needed only for
testing purposes and all of them are provided by constant_time.h as well.

Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2021-11-11 10:59:05 +01:00
gabor-mezei-arm
cb4317b723
Move mbedtls_cf_hmac function to the constant-time module 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2021-11-11 10:59:04 +01:00
gabor-mezei-arm
0f7b9e43e9
Move mbedtls_cf_memcpy_offset function to the constant-time module 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2021-11-11 10:59:04 +01:00
gabor-mezei-arm
ee06febbb4
Move mbedtls_cf_memcpy_if_eq function to the constant-time module 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2021-11-11 10:59:04 +01:00
gabor-mezei-arm
7b23c0b46d
Move mbedtls_cf_mem_move_to_left function to the constant-time module 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2021-11-11 10:59:04 +01:00
gabor-mezei-arm
043192d209 Move mbedtls_cf_mpi_uint_cond_assign function to the constant-time module 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2021-11-11 10:55:56 +01:00
gabor-mezei-arm
5cec8b44a8
Move mbedtls_cf_cond_select_sign function to the constant-time module 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2021-11-11 10:54:20 +01:00
gabor-mezei-arm
7533253125
Move mbedtls_cf_uint_if function to the constant-time module 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2021-11-11 10:52:42 +01:00
gabor-mezei-arm
097d4f555e
Move mbedtls_cf_mpi_uint_lt function to the constant-time module 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2021-11-11 10:52:01 +01:00
gabor-mezei-arm
17da4f2a4e
Remove module dependency 
Elinimate macros defined by modules locally in the functions that are
moving to the new constant-time module.

Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2021-11-11 10:04:59 +01:00
gabor-mezei-arm
9d7bf09333
Move mbedtls_cf_size_gt function to the constant-time module 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2021-11-11 10:04:49 +01:00
gabor-mezei-arm
96584ddd4b
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 <gabor.mezei@arm.com>
 2021-11-11 10:03:55 +01:00
gabor-mezei-arm
a2bcabceb2
Move mbedtls_cf_size_mask_ge function to the constant-time module 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2021-11-11 10:00:17 +01:00
gabor-mezei-arm
4d6b14624e
Move mbedtls_cf_size_mask_lt function to the constant-time module 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
 2021-11-11 10:00:17 +01:00