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Remove retrun code from mod_raw_cond_assign/swap

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Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
This commit is contained in:
Gabor Mezei 2022-09-15 20:01:31 +02:00
parent 24d183aa00
commit 63c3282ec4
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GPG Key ID: F072ACA227ACD71D
2 changed files with 21 additions and 30 deletions
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24
library/bignum_mod_raw.c
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@ -41,22 +41,22 @@
#include "bignum_mod.h" #include "bignum_mod.h"
#include "constant_time_internal.h" #include "constant_time_internal.h"
int mbedtls_mpi_mod_raw_cond_assign( mbedtls_mpi_uint *X, void mbedtls_mpi_mod_raw_cond_assign( mbedtls_mpi_uint *X,
mbedtls_mpi_uint *Y, mbedtls_mpi_uint *Y,
const mbedtls_mpi_mod_modulus *m, const mbedtls_mpi_mod_modulus *m,
unsigned char assign ) unsigned char assign )
{ {
return mbedtls_mpi_core_cond_assign( X, m->limbs, mbedtls_mpi_core_cond_assign( X, m->limbs,
Y, m->limbs, assign ); Y, m->limbs, assign );
} }
int mbedtls_mpi_mod_raw_cond_swap( mbedtls_mpi_uint *X, void mbedtls_mpi_mod_raw_cond_swap( mbedtls_mpi_uint *X,
mbedtls_mpi_uint *Y, mbedtls_mpi_uint *Y,
const mbedtls_mpi_mod_modulus *m, const mbedtls_mpi_mod_modulus *m,
unsigned char swap ) unsigned char swap )
{ {
return mbedtls_mpi_core_cond_swap( X, m->limbs, mbedtls_mpi_core_cond_swap( X, m->limbs,
Y, m->limbs, swap ); Y, m->limbs, swap );
} }
int mbedtls_mpi_mod_raw_read( mbedtls_mpi_uint *X, int mbedtls_mpi_mod_raw_read( mbedtls_mpi_uint *X,

27
library/bignum_mod_raw.h
View File

@ -51,16 +51,11 @@
* \warning If \p assign is neither 0 nor 1, the result of this function * \warning If \p assign is neither 0 nor 1, the result of this function
* is indeterminate, and the resulting value in \p X might be * is indeterminate, and the resulting value in \p X might be
* neither its original value nor the value in \p Y. * neither its original value nor the value in \p Y.
*
* \return \c 0 if successful.
* \return #MBEDTLS_ERR_MPI_BUFFER_TOO_SMALL if \p X isn't
* large enough to hold the value in \p Y.
* \return #MBEDTLS_ERR_MPI_BAD_INPUT_DATA if \p X or \p Y is invalid.
*/ */
int mbedtls_mpi_mod_raw_cond_assign( mbedtls_mpi_uint *X, void mbedtls_mpi_mod_raw_cond_assign( mbedtls_mpi_uint *X,
mbedtls_mpi_uint *Y, mbedtls_mpi_uint *Y,
const mbedtls_mpi_mod_modulus *m, const mbedtls_mpi_mod_modulus *m,
unsigned char assign ); unsigned char assign );
/** /**
* \brief Perform a safe conditional copy of MPI which doesn't reveal whether * \brief Perform a safe conditional copy of MPI which doesn't reveal whether
@ -80,15 +75,11 @@ int mbedtls_mpi_mod_raw_cond_assign( mbedtls_mpi_uint *X,
* \warning If \p swap is neither 0 nor 1, the result of this function * \warning If \p swap is neither 0 nor 1, the result of this function
* is indeterminate, and both \p X and \p Y might end up with * is indeterminate, and both \p X and \p Y might end up with
* values different to either of the original ones. * values different to either of the original ones.
* */
* \return \c 0 if successful. void mbedtls_mpi_mod_raw_cond_swap( mbedtls_mpi_uint *X,
* \return #MBEDTLS_ERR_MPI_BUFFER_TOO_SMALL if the size of mbedtls_mpi_uint *Y,
* \p X and \p Y is differ. const mbedtls_mpi_mod_modulus *m,
* \return #MBEDTLS_ERR_MPI_BAD_INPUT_DATA if \p X or \p Y is invalid. unsigned char swap );
*/int mbedtls_mpi_mod_raw_cond_swap( mbedtls_mpi_uint *X,
mbedtls_mpi_uint *Y,
const mbedtls_mpi_mod_modulus *m,
unsigned char swap );
/** Import X from unsigned binary data. /** Import X from unsigned binary data.
* *