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FFDH: also test peer key 1 byte too long

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Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
This commit is contained in:
Manuel Pégourié-Gonnard
2026-03-03 12:08:58 +01:00
parent 20a84bd287
commit f22ed632b4
1 changed files with 36 additions and 2 deletions
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38
tests/suites/test_suite_psa_crypto.function
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@@ -9918,11 +9918,45 @@ void key_agreement(int alg_arg,
bad_peer_key, bad_peer_key_len,
output, expected_output->len,
&output_length));
mbedtls_free(bad_peer_key);
bad_peer_key = NULL;
mbedtls_free(output);
output = NULL;
output_length = ~0;
mbedtls_free(bad_peer_key);
bad_peer_key = NULL;
/* Input buffer (peer key) too large (leading 0) */
bad_peer_key_len = peer_key_data->len + 1;
TEST_CALLOC(bad_peer_key, bad_peer_key_len);
bad_peer_key[0] = 0x00;
memcpy(bad_peer_key + 1, peer_key_data->x, peer_key_data->len);
TEST_CALLOC(output, expected_output->len);
TEST_EQUAL(PSA_ERROR_INVALID_ARGUMENT,
psa_raw_key_agreement(alg, our_key,
bad_peer_key, bad_peer_key_len,
output, expected_output->len,
&output_length));
mbedtls_free(output);
output = NULL;
output_length = ~0;
mbedtls_free(bad_peer_key);
bad_peer_key = NULL;
/* Input buffer (peer key) too large (larger value) */
bad_peer_key_len = peer_key_data->len + 1;
TEST_CALLOC(bad_peer_key, bad_peer_key_len);
bad_peer_key[0] = 0x01;
memcpy(bad_peer_key + 1, peer_key_data->x, peer_key_data->len);
TEST_CALLOC(output, expected_output->len);
TEST_EQUAL(PSA_ERROR_INVALID_ARGUMENT,
psa_raw_key_agreement(alg, our_key,
bad_peer_key, bad_peer_key_len,
output, expected_output->len,
&output_length));
mbedtls_free(output);
output = NULL;
output_length = ~0;
mbedtls_free(bad_peer_key);
bad_peer_key = NULL;
/* Output buffer too small */
TEST_CALLOC(output, expected_output->len - 1);