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bignum_tests: Added test for mbedtls_mpi_mod_raw_from_mont_rep()

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Signed-off-by: Minos Galanakis <minos.galanakis@arm.com>
This commit is contained in:
Minos Galanakis 2022-11-08 16:19:04 +00:00
parent 631b491cbf
commit df070d660d
1 changed files with 38 additions and 0 deletions
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38
tests/suites/test_suite_bignum_mod_raw.function
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@ -324,6 +324,44 @@ void mpi_mod_raw_to_mont_rep( char * input_N, char * input_A, char * input_X )
/* Output is +ve (or zero) */
TEST_EQUAL( 1, A.s );
exit:
mbedtls_mpi_mod_modulus_free( &m );
mbedtls_mpi_free( &N );
mbedtls_mpi_free( &A );
mbedtls_mpi_free( &X );
}
/* END_CASE */
/* BEGIN_CASE */
void mpi_mod_raw_from_mont_rep( char * input_N, char * input_A, char * input_X )
{
mbedtls_mpi N, A, X;
mbedtls_mpi_mod_modulus m;
mbedtls_mpi_init( &N );
mbedtls_mpi_init( &A );
mbedtls_mpi_init( &X );
/* Read inputs */
TEST_EQUAL( 0, mbedtls_test_read_mpi( &N, input_N ) );
TEST_EQUAL( 0, mbedtls_test_read_mpi( &A, input_A ) );
TEST_EQUAL( 0, mbedtls_test_read_mpi( &X, input_X ) );
/* All of the inputs are +ve (or zero) */
TEST_EQUAL( 1, X.s );
TEST_EQUAL( 1, A.s );
mbedtls_mpi_mod_modulus_init( &m );
TEST_EQUAL( 0, mbedtls_mpi_mod_modulus_setup( &m, N.p, N.n, MBEDTLS_MPI_MOD_EXT_REP_BE, MBEDTLS_MPI_MOD_REP_MONTGOMERY ) );
TEST_EQUAL(0, mbedtls_mpi_mod_raw_from_mont_rep( A.p ,&m ) );
/* Calculated matches expected value */
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &A, &X ) == 0 );
/* Output is +ve (or zero) */
TEST_EQUAL( 1, A.s );
exit:
mbedtls_mpi_mod_modulus_free( &m );
mbedtls_mpi_free( &N );