New helper function to allocate and read a modulus
When including <test/bignum_helpers.h>, the library/ directory now needs to
be on the include path.
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
diff --git a/tests/src/bignum_helpers.c b/tests/src/bignum_helpers.c
index 575bd03..eb819f5 100644
--- a/tests/src/bignum_helpers.c
+++ b/tests/src/bignum_helpers.c
@@ -85,6 +85,23 @@
return( MBEDTLS_ERR_MPI_BAD_INPUT_DATA );
}
+int mbedtls_test_read_mpi_modulus( mbedtls_mpi_mod_modulus *N,
+ const char *s,
+ mbedtls_mpi_mod_rep_selector int_rep )
+{
+ mbedtls_mpi_uint *p = NULL;
+ size_t limbs = 0;
+ if( N->limbs != 0 )
+ return( MBEDTLS_ERR_MPI_BAD_INPUT_DATA );
+ int ret = mbedtls_test_read_mpi_core( &p, &limbs, s );
+ if( ret != 0 )
+ return( ret );
+ ret = mbedtls_mpi_mod_modulus_setup( N, p, limbs, int_rep );
+ if( ret != 0 )
+ mbedtls_free( p );
+ return( ret );
+}
+
int mbedtls_test_read_mpi( mbedtls_mpi *X, const char *s )
{
int negative = 0;