Add mod_mul function
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
diff --git a/library/bignum_mod.c b/library/bignum_mod.c
index 31e18e7..0f51133 100644
--- a/library/bignum_mod.c
+++ b/library/bignum_mod.c
@@ -176,6 +176,28 @@
/* BEGIN MERGE SLOT 2 */
+int mbedtls_mpi_mod_mul( mbedtls_mpi_mod_residue *X,
+ const mbedtls_mpi_mod_residue *A,
+ const mbedtls_mpi_mod_residue *B,
+ const mbedtls_mpi_mod_modulus *N )
+{
+ if( N->limbs == 0 )
+ return MBEDTLS_ERR_MPI_BAD_INPUT_DATA;
+
+ if( X->limbs != N->limbs || A->limbs != N->limbs || B->limbs != N->limbs )
+ return MBEDTLS_ERR_MPI_BAD_INPUT_DATA;
+
+ mbedtls_mpi_uint *T = mbedtls_calloc( N->limbs * 2 + 1, ciL );
+ if( !T )
+ return MBEDTLS_ERR_MPI_ALLOC_FAILED;
+
+ mbedtls_mpi_mod_raw_mul( X->p, A->p, B->p, N, T );
+
+ mbedtls_free( T );
+
+ return( 0 );
+}
+
/* END MERGE SLOT 2 */
/* BEGIN MERGE SLOT 3 */