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Add test generation for ecp_mod_p521_raw

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Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
This commit is contained in:
Gabor Mezei
2023-02-06 15:49:42 +01:00
parent 2cb630edee
commit d8f67b975b
2 changed files with 126 additions and 1 deletions
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44
tests/suites/test_suite_ecp.function
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@ -4,8 +4,8 @@
#include "mbedtls/ecdh.h"
#include "bignum_core.h"
#include "bignum_mod_raw_invasive.h"
#include "ecp_invasive.h"
#include "bignum_mod_raw_invasive.h"
#if defined(MBEDTLS_TEST_HOOKS) && \
(defined(MBEDTLS_ECP_DP_SECP224R1_ENABLED) || \
@ -1344,3 +1344,45 @@ exit:
mbedtls_free(N);
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_TEST_HOOKS */
void ecp_mod_p521_raw(char *input_N,
char *input_X,
char *result)
{
mbedtls_mpi_uint *X = NULL;
mbedtls_mpi_uint *N = NULL;
mbedtls_mpi_uint *res = NULL;
size_t limbs_X;
size_t limbs_N;
size_t limbs_res;
mbedtls_mpi_mod_modulus m;
mbedtls_mpi_mod_modulus_init(&m);
TEST_EQUAL(mbedtls_test_read_mpi_core(&X, &limbs_X, input_X), 0);
TEST_EQUAL(mbedtls_test_read_mpi_core(&N, &limbs_N, input_N), 0);
TEST_EQUAL(mbedtls_test_read_mpi_core(&res, &limbs_res, result), 0);
size_t limbs = limbs_N;
size_t bytes = limbs * sizeof(mbedtls_mpi_uint);
TEST_EQUAL(limbs_X, 2 * limbs - 1);
TEST_EQUAL(limbs_res, limbs);
TEST_EQUAL(mbedtls_mpi_mod_modulus_setup(
&m, N, limbs,
MBEDTLS_MPI_MOD_REP_MONTGOMERY), 0);
TEST_EQUAL(ecp_mod_p521_raw(X, limbs_X), 0);
mbedtls_mpi_mod_raw_fix_quasi_reduction(X, &m);
ASSERT_COMPARE(X, bytes, res, bytes);
exit:
mbedtls_free(X);
mbedtls_free(res);
mbedtls_mpi_mod_modulus_free(&m);
mbedtls_free(N);
}
/* END_CASE */