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Use PSA_xxx_MAX_SIZE for hash/MAC/signature size in tests

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In tests that had a hard-coded buffer size, use PSA_MAC_MAX_SIZE or
PSA_ASYMMETRIC_SIGNATURE_MAX_SIZE as appropriate.

Test that PSA_xxx_MAX_SIZE is larger than the size used in tests that
expect a specific output.
This commit is contained in:
Gilles Peskine 2018-06-28 00:07:19 +02:00 committed by itayzafrir
parent 2743e42580
commit 69c1267fd2
1 changed files with 13 additions and 2 deletions
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15
tests/suites/test_suite_psa_crypto.function
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@ -43,7 +43,7 @@ static int exercise_mac_key( psa_key_slot_t key,
{
psa_mac_operation_t operation;
const unsigned char input[] = "foo";
unsigned char mac[64] = {0};
unsigned char mac[PSA_MAC_MAX_SIZE] = {0};
size_t mac_length = sizeof( mac );
if( usage & PSA_KEY_USAGE_SIGN )
@ -191,7 +191,7 @@ static int exercise_signature_key( psa_key_slot_t key,
{
unsigned char payload[16] = {1};
size_t payload_length = sizeof( payload );
unsigned char signature[256] = {0};
unsigned char signature[PSA_ASYMMETRIC_SIGNATURE_MAX_SIZE] = {0};
size_t signature_length = sizeof( signature );
if( usage & PSA_KEY_USAGE_SIGN )
@ -709,6 +709,9 @@ void hash_finish( int alg_arg, data_t *input, data_t *expected_hash )
size_t actual_hash_length;
psa_hash_operation_t operation;
TEST_ASSERT( expected_hash->len == PSA_HASH_SIZE( alg ) );
TEST_ASSERT( expected_hash->len <= PSA_HASH_MAX_SIZE );
TEST_ASSERT( input != NULL );
TEST_ASSERT( expected_hash != NULL );
TEST_ASSERT( PSA_CRYPTO_TEST_SIZE_T_RANGE( input->len ) );
@ -737,6 +740,9 @@ void hash_verify( int alg_arg, data_t *input, data_t *expected_hash )
psa_algorithm_t alg = alg_arg;
psa_hash_operation_t operation;
TEST_ASSERT( expected_hash->len == PSA_HASH_SIZE( alg ) );
TEST_ASSERT( expected_hash->len <= PSA_HASH_MAX_SIZE );
TEST_ASSERT( input != NULL );
TEST_ASSERT( expected_hash != NULL );
TEST_ASSERT( PSA_CRYPTO_TEST_SIZE_T_RANGE( input->len ) );
@ -805,6 +811,8 @@ void mac_verify( int key_type_arg,
psa_mac_operation_t operation;
psa_key_policy_t policy;
TEST_ASSERT( expected_mac->len <= PSA_MAC_MAX_SIZE );
TEST_ASSERT( key != NULL );
TEST_ASSERT( input != NULL );
TEST_ASSERT( expected_mac != NULL );
@ -1594,6 +1602,7 @@ void sign_deterministic( int key_type_arg, data_t *key_data,
signature_size = PSA_ASYMMETRIC_SIGN_OUTPUT_SIZE( key_type,
key_bits, alg );
TEST_ASSERT( signature_size != 0 );
TEST_ASSERT( signature_size <= PSA_ASYMMETRIC_SIGNATURE_MAX_SIZE );
signature = mbedtls_calloc( 1, signature_size );
TEST_ASSERT( signature != NULL );
@ -1677,6 +1686,8 @@ void asymmetric_verify( int key_type_arg, data_t *key_data,
psa_algorithm_t alg = alg_arg;
psa_key_policy_t policy;
TEST_ASSERT( signature_data->len <= PSA_ASYMMETRIC_SIGNATURE_MAX_SIZE );
TEST_ASSERT( key_data != NULL );
TEST_ASSERT( hash_data != NULL );
TEST_ASSERT( signature_data != NULL );