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Add test code for big endian write/read

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Signed-off-by: Xiaokang Qian <xiaokang.qian@arm.com>
This commit is contained in:
Xiaokang Qian 2023-05-29 07:46:40 +00:00
parent da5cf4896e
commit 254f94bb43
1 changed files with 17 additions and 0 deletions
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17
tests/suites/test_suite_ecp.function
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@ -1591,6 +1591,9 @@ void ecp_mod_read_write(char *input_A, int id, int ctype)
bytes = limbs * ciL; bytes = limbs * ciL;
ASSERT_ALLOC(bufx, limbs); ASSERT_ALLOC(bufx, limbs);
/* Write source mod residue to a buffer, then read it back to
* the destination mod residue, compare the two mod residues.
* Firstly test little endian write and read */
TEST_EQUAL(0, mbedtls_mpi_mod_write(&rA, &m, (unsigned char *) bufx, TEST_EQUAL(0, mbedtls_mpi_mod_write(&rA, &m, (unsigned char *) bufx,
bytes, bytes,
MBEDTLS_MPI_MOD_EXT_REP_LE)); MBEDTLS_MPI_MOD_EXT_REP_LE));
@ -1602,6 +1605,20 @@ void ecp_mod_read_write(char *input_A, int id, int ctype)
TEST_EQUAL(limbs, rX.limbs); TEST_EQUAL(limbs, rX.limbs);
ASSERT_COMPARE(rA.p, bytes, rX.p, bytes); ASSERT_COMPARE(rA.p, bytes, rX.p, bytes);
memset(bufx, 0x00, bytes);
memset(rX_raw, 0x00, bytes);
/* Then test big endian write and read */
TEST_EQUAL(0, mbedtls_mpi_mod_write(&rA, &m, (unsigned char *) bufx,
bytes,
MBEDTLS_MPI_MOD_EXT_REP_BE));
TEST_EQUAL(0, mbedtls_mpi_mod_read(&rX, &m, (unsigned char *) bufx,
bytes,
MBEDTLS_MPI_MOD_EXT_REP_BE));
TEST_EQUAL(limbs, rX.limbs);
ASSERT_COMPARE(rA.p, bytes, rX.p, bytes);
exit: exit:
mbedtls_mpi_mod_modulus_free(&m); mbedtls_mpi_mod_modulus_free(&m);
mbedtls_mpi_mod_residue_release(&rA); mbedtls_mpi_mod_residue_release(&rA);