Add a set of I/O functions for the modulus structure
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
diff --git a/library/bignum_new.c b/library/bignum_new.c
index 977b5d7..976301d 100644
--- a/library/bignum_new.c
+++ b/library/bignum_new.c
@@ -28,6 +28,7 @@
#include "mbedtls/bignum.h"
#include "bignum_core.h"
#include "bignum_mod.h"
+#include "bignum_mod_raw.h"
#define MPI_VALIDATE_RET( cond ) \
MBEDTLS_INTERNAL_VALIDATE_RET( cond, MBEDTLS_ERR_MPI_BAD_INPUT_DATA )
@@ -407,4 +408,38 @@
return( 0 );
}
+int mbedtls_mpi_mod_raw_read( mbedtls_mpi_uint *X,
+ mbedtls_mpi_mod_modulus *m,
+ unsigned char *buf,
+ size_t buflen )
+{
+ if( m->ext_rep & MBEDTLS_MI_MOD_EXT_REP_LE )
+ return mbedtls_mpi_core_read_le( X, m->n, buf, buflen );
+
+ else if( m->ext_rep & MBEDTLS_MI_MOD_EXT_REP_BE )
+ return mbedtls_mpi_core_read_be( X, m->n, buf, buflen );
+
+ else
+ return( MBEDTLS_ERR_MPI_BAD_INPUT_DATA );
+
+ return( 0 );
+}
+
+int mbedtls_mpi_mod_raw_write( mbedtls_mpi_uint *X,
+ mbedtls_mpi_mod_modulus *m,
+ unsigned char *buf,
+ size_t buflen )
+{
+ if( m->ext_rep & MBEDTLS_MI_MOD_EXT_REP_LE )
+ return mbedtls_mpi_core_write_le( X, m->n, buf, buflen );
+
+ else if( m->ext_rep & MBEDTLS_MI_MOD_EXT_REP_BE )
+ return mbedtls_mpi_core_write_be( X, m->n, buf, buflen );
+
+ else
+ return( MBEDTLS_ERR_MPI_BAD_INPUT_DATA );
+
+ return( 0 );
+}
+
#endif /* MBEDTLS_BIGNUM_C */