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Use modulus structure in mbedtls_mpi_mod_raw_add

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Signed-off-by: Werner Lewis <werner.lewis@arm.com>
This commit is contained in:
Werner Lewis 2022-11-01 13:36:51 +00:00 • committed by Tom Cosgrove
parent 0eea827cbd
commit 9fa91ebcb9
2 changed files with 10 additions and 11 deletions
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9
library/bignum_mod_raw.c
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@ -122,13 +122,12 @@ int mbedtls_mpi_mod_raw_write( const mbedtls_mpi_uint *A,
void mbedtls_mpi_mod_raw_add( mbedtls_mpi_uint *X,
mbedtls_mpi_uint const *A,
mbedtls_mpi_uint const *B,
const mbedtls_mpi_uint *N,
size_t limbs )
const mbedtls_mpi_mod_modulus *N )
{
size_t carry, borrow = 0;
carry = mbedtls_mpi_core_add( X, A, B, limbs );
borrow = mbedtls_mpi_core_sub( X, X, N, limbs);
(void) mbedtls_mpi_core_add_if( X, N, limbs, ( carry < borrow ) );
carry = mbedtls_mpi_core_add( X, A, B, N->limbs );
borrow = mbedtls_mpi_core_sub( X, X, N->p, N->limbs );
(void) mbedtls_mpi_core_add_if( X, N->p, N->limbs, ( carry < borrow ) );
}
/* END MERGE SLOT 5 */