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New helper function to allocate and read a modulus

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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>
This commit is contained in:
Gilles Peskine 2022-12-07 22:59:54 +01:00
parent 881447d411
commit 195f998107
2 changed files with 37 additions and 0 deletions
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17
tests/src/bignum_helpers.c
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@ -85,6 +85,23 @@ exit:
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;