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Split out mbedtls_ecp_mod_p448_raw()

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Switch testing over to using the generic raw functions.

Signed-off-by: Paul Elliott <paul.elliott@arm.com>
This commit is contained in:
Paul Elliott
2023-06-02 16:00:05 +01:00
parent b4df176610
commit a2e48f751b
4 changed files with 17 additions and 45 deletions
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46
tests/suites/test_suite_ecp.function
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@@ -1356,6 +1356,13 @@ void ecp_mod_p_generic_raw(int curve_id,
curve_bits = 255;
curve_func = &mbedtls_ecp_mod_p255_raw;
break;
#endif
#if defined(MBEDTLS_ECP_DP_CURVE448_ENABLED)
case MBEDTLS_ECP_DP_CURVE448:
limbs = 2 * limbs_N;
curve_bits = 448;
curve_func = &mbedtls_ecp_mod_p448_raw;
break;
#endif
default:
mbedtls_test_fail("Unsupported curve_id", __LINE__, __FILE__);
@@ -1384,45 +1391,6 @@ exit:
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_TEST_HOOKS:MBEDTLS_ECP_DP_CURVE448_ENABLED */
void ecp_mod_p448(char *input_N,
char *input_X,
char *result)
{
mbedtls_mpi X;
mbedtls_mpi N;
mbedtls_mpi res;
mbedtls_mpi_init(&X);
mbedtls_mpi_init(&N);
mbedtls_mpi_init(&res);
TEST_EQUAL(mbedtls_test_read_mpi(&X, input_X), 0);
TEST_EQUAL(mbedtls_test_read_mpi(&N, input_N), 0);
TEST_EQUAL(mbedtls_test_read_mpi(&res, result), 0);
TEST_ASSERT(mbedtls_mpi_core_uint_le_mpi(0, X.p, X.n));
TEST_ASSERT(mbedtls_mpi_core_uint_le_mpi(0, N.p, N.n));
TEST_ASSERT(mbedtls_mpi_core_uint_le_mpi(0, res.p, res.n));
size_t limbs = N.n;
size_t bytes = limbs * sizeof(mbedtls_mpi_uint);
TEST_LE_U(X.n, 2 * limbs);
TEST_EQUAL(res.n, limbs);
TEST_EQUAL(mbedtls_ecp_mod_p448(X.p, X.n), 0);
TEST_EQUAL(mbedtls_mpi_mod_mpi(&X, &X, &N), 0);
TEST_LE_U(mbedtls_mpi_core_bitlen(X.p, X.n), 448);
ASSERT_COMPARE(X.p, bytes, res.p, bytes);
exit:
mbedtls_mpi_free(&X);
mbedtls_mpi_free(&N);
mbedtls_mpi_free(&res);
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_TEST_HOOKS */
void ecp_mod_setup(char *input_A, int id, int ctype, int iret)
{