Change signature of mpi_bigendian_to_host() to reflect usage

This commit is contained in:
Hanno Becker 2018-10-25 12:40:09 +01:00
parent da1655a48e
commit 2be8a55f72

View File

@ -718,10 +718,8 @@ cleanup:
/* Convert a big-endian byte array aligned to the size of mbedtls_mpi_uint
* into the storage form used by mbedtls_mpi. */
static int mpi_bigendian_to_host( unsigned char * const buf, size_t size )
static void mpi_bigendian_to_host( mbedtls_mpi_uint * const p, size_t limbs )
{
mbedtls_mpi_uint * const p = (mbedtls_mpi_uint *) buf;
size_t const limbs = size / ciL;
size_t i;
unsigned char *cur_byte_left;
@ -732,8 +730,8 @@ static int mpi_bigendian_to_host( unsigned char * const buf, size_t size )
mbedtls_mpi_uint tmp_left, tmp_right;
if( size % ciL != 0 || limbs == 0 )
return( MBEDTLS_ERR_MPI_BAD_INPUT_DATA );
if( limbs == 0 )
return;
/*
* Traverse limbs and
@ -767,7 +765,7 @@ static int mpi_bigendian_to_host( unsigned char * const buf, size_t size )
*cur_limb_left = tmp_right;
}
return( 0 );
return;
}
/*
@ -795,7 +793,7 @@ int mbedtls_mpi_read_binary( mbedtls_mpi *X, const unsigned char *buf, size_t bu
Xp = (unsigned char*) X->p;
memcpy( Xp + overhead, buf, buflen );
MBEDTLS_MPI_CHK( mpi_bigendian_to_host( Xp, limbs * ciL ) );
mpi_bigendian_to_host( X->p, limbs );
cleanup:
@ -2084,7 +2082,7 @@ int mbedtls_mpi_fill_random( mbedtls_mpi *X, size_t size,
Xp = (unsigned char*) X->p;
f_rng( p_rng, Xp + overhead, size );
MBEDTLS_MPI_CHK( mpi_bigendian_to_host( Xp, limbs * ciL ) );
mpi_bigendian_to_host( X->p, limbs );
cleanup:
return( ret );