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Improve key agreement iop basic testing

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Signed-off-by: Waleed Elmelegy <waleed.elmelegy@arm.com>
This commit is contained in:
Waleed Elmelegy 2024-09-24 18:27:32 +01:00
parent 93be7a175e
commit 3783acae26
1 changed files with 12 additions and 3 deletions
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15
tf-psa-crypto/tests/suites/test_suite_psa_crypto.function
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@ -1235,6 +1235,9 @@ static void interruptible_signverify_get_minmax_completes(uint32_t max_ops,
}
}
/* ECP need to block for a minimum number of operations even if max_ops is set to a
lower value. This functions calculates this minimum value given the curve size
and the window size. */
static uint32_t interruptible_key_agreement_get_min_num_ops(size_t key_bits)
{
/* Those values are taken from documentation of mbedtls_ecp_set_max_ops()
@ -9910,7 +9913,9 @@ void key_agreement_interruptible(int alg_arg,
peer_key_data->len, alg, &shared_secret_attributes));
num_ops_prior = psa_key_agreement_iop_get_num_ops(&operation);
TEST_EQUAL(num_ops_prior, 0);
/* psa_key_agreement_iop_setup() takes a number of ops because it calls
mbedtls_ecp_check_pubkey() */
TEST_EQUAL(num_ops_prior, MBEDTLS_ECP_OPS_CHK);
min_num_ops = interruptible_key_agreement_get_min_num_ops(key_bits);
@ -9924,7 +9929,11 @@ void key_agreement_interruptible(int alg_arg,
number of operations was less than the minium possible for
the curve size. */
num_ops = psa_key_agreement_iop_get_num_ops(&operation);
TEST_LE_U(num_ops - num_ops_prior, MAX(max_ops, min_num_ops));
if (max_ops <= min_num_ops) {
TEST_LE_U(num_ops - num_ops_prior, min_num_ops);
} else {
TEST_LE_U(num_ops - num_ops_prior, max_ops);
}
num_ops_prior = num_ops;
@ -9946,7 +9955,7 @@ void key_agreement_interruptible(int alg_arg,
PSA_ASSERT(psa_key_agreement_iop_abort(&operation));
num_ops = psa_key_agreement_iop_get_num_ops(&operation);
TEST_ASSERT(num_ops == 0);
TEST_EQUAL(num_ops, 0);
exit:
psa_destroy_key(our_key);