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psasim: add a bit of white-box testing to hash operations

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Signed-off-by: Tom Cosgrove <tom.cosgrove@arm.com>
This commit is contained in:
Tom Cosgrove 2024-06-29 15:10:21 +01:00 committed by Valerio Setti
parent 8473390bbb
commit caee58f559
1 changed files with 37 additions and 0 deletions
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37
tests/psa-client-server/psasim/src/aut_psa_hash.c
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@ -89,6 +89,43 @@ int psa_hash_main(void)
mbedtls_printf("Multi-part hash operation successful!\n");
}
/* A bit of white-box testing: ensure that we can abort an operation more
* times than there are operation slots on the simulator server.
*/
for (int i = 0; i < 200; i++) {
/* This should be a no-op */
status = psa_hash_abort(&hash_operation);
if (status != PSA_SUCCESS) {
mbedtls_printf("psa_hash_abort failed\n");
goto cleanup;
}
}
/* Compute hash using multi-part operation using the same operation struct */
status = psa_hash_setup(&hash_operation, HASH_ALG);
if (status == PSA_ERROR_NOT_SUPPORTED) {
mbedtls_printf("unknown hash algorithm supplied\n");
goto cleanup;
} else if (status != PSA_SUCCESS) {
mbedtls_printf("psa_hash_setup failed: %d\n", status);
goto cleanup;
}
status = psa_hash_update(&hash_operation, sample_message, sample_message_length);
if (status != PSA_SUCCESS) {
mbedtls_printf("psa_hash_update failed\n");
goto cleanup;
}
/* Don't use psa_hash_finish() when going to check against an expected result */
status = psa_hash_verify(&hash_operation, expected_hash, expected_hash_len);
if (status != PSA_SUCCESS) {
mbedtls_printf("psa_hash_verify failed: %d\n", status);
goto cleanup;
} else {
mbedtls_printf("Second multi-part hash operation successful!\n");
}
/* Clear local variables prior to one-shot hash demo */
memset(hash, 0, sizeof(hash));
hash_length = 0;