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psa: Test fresh contexts have default behavior

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Test that freshly-initialized contexts exhibit default behavior through
the API. Do this without depending on the internal representation of the
contexts. This provides better portability of our tests on compilers
like MSVC.
This commit is contained in:
Jaeden Amero 2019-02-07 16:33:37 +00:00
parent 6fd4ee2af1
commit 5229bbb08e
1 changed files with 34 additions and 45 deletions
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79
tests/suites/test_suite_psa_crypto.function
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@ -1441,15 +1441,15 @@ void key_policy_init( )
memset( &zero, 0, sizeof( zero ) ); memset( &zero, 0, sizeof( zero ) );
/* Although not technically guaranteed by the C standard nor the PSA Crypto /* A default key policy should not permit any usage. */
* specification, we test that all valid ways of initializing the object TEST_EQUAL( psa_key_policy_get_usage( &func ), 0 );
* have the same bit pattern. This is a stronger requirement that may not TEST_EQUAL( psa_key_policy_get_usage( &init ), 0 );
* be valid on all platforms or PSA Crypto implementations, but implies the TEST_EQUAL( psa_key_policy_get_usage( &zero ), 0 );
* weaker actual requirement is met: that a freshly initialized object, no
* matter how it was initialized, acts the same as any other valid /* A default key policy should not permit any algorithm. */
* initialization. */ TEST_EQUAL( psa_key_policy_get_algorithm( &func ), 0 );
TEST_EQUAL( memcmp( &func, &zero, sizeof( zero ) ), 0 ); TEST_EQUAL( psa_key_policy_get_algorithm( &init ), 0 );
TEST_EQUAL( memcmp( &init, &zero, sizeof( zero ) ), 0 ); TEST_EQUAL( psa_key_policy_get_algorithm( &zero ), 0 );
} }
/* END_CASE */ /* END_CASE */
@ -1960,15 +1960,10 @@ void hash_operation_init( )
memset( &zero, 0, sizeof( zero ) ); memset( &zero, 0, sizeof( zero ) );
/* Although not technically guaranteed by the C standard nor the PSA Crypto /* A default hash operation should be abortable without error. */
* specification, we test that all valid ways of initializing the object PSA_ASSERT( psa_hash_abort( &func ) );
* have the same bit pattern. This is a stronger requirement that may not PSA_ASSERT( psa_hash_abort( &init ) );
* be valid on all platforms or PSA Crypto implementations, but implies the PSA_ASSERT( psa_hash_abort( &zero ) );
* weaker actual requirement is met: that a freshly initialized object, no
* matter how it was initialized, acts the same as any other valid
* initialization. */
TEST_EQUAL( memcmp( &func, &zero, sizeof( zero ) ), 0 );
TEST_EQUAL( memcmp( &init, &zero, sizeof( zero ) ), 0 );
} }
/* END_CASE */ /* END_CASE */
@ -2183,15 +2178,10 @@ void mac_operation_init( )
memset( &zero, 0, sizeof( zero ) ); memset( &zero, 0, sizeof( zero ) );
/* Although not technically guaranteed by the C standard nor the PSA Crypto /* A default MAC operation should be abortable without error. */
* specification, we test that all valid ways of initializing the object PSA_ASSERT( psa_mac_abort( &func ) );
* have the same bit pattern. This is a stronger requirement that may not PSA_ASSERT( psa_mac_abort( &init ) );
* be valid on all platforms or PSA Crypto implementations, but implies the PSA_ASSERT( psa_mac_abort( &zero ) );
* weaker actual requirement is met: that a freshly initialized object, no
* matter how it was initialized, acts the same as any other valid
* initialization. */
TEST_EQUAL( memcmp( &func, &zero, sizeof( zero ) ), 0 );
TEST_EQUAL( memcmp( &init, &zero, sizeof( zero ) ), 0 );
} }
/* END_CASE */ /* END_CASE */
@ -2338,15 +2328,10 @@ void cipher_operation_init( )
memset( &zero, 0, sizeof( zero ) ); memset( &zero, 0, sizeof( zero ) );
/* Although not technically guaranteed by the C standard nor the PSA Crypto /* A default cipher operation should be abortable without error. */
* specification, we test that all valid ways of initializing the object PSA_ASSERT( psa_cipher_abort( &func ) );
* have the same bit pattern. This is a stronger requirement that may not PSA_ASSERT( psa_cipher_abort( &init ) );
* be valid on all platforms or PSA Crypto implementations, but implies the PSA_ASSERT( psa_cipher_abort( &zero ) );
* weaker actual requirement is met: that a freshly initialized object, no
* matter how it was initialized, acts the same as any other valid
* initialization. */
TEST_EQUAL( memcmp( &func, &zero, sizeof( zero ) ), 0 );
TEST_EQUAL( memcmp( &init, &zero, sizeof( zero ) ), 0 );
} }
/* END_CASE */ /* END_CASE */
@ -3527,21 +3512,25 @@ void crypto_generator_init( )
* Clang 5 complains when `-Wmissing-field-initializers` is used, even * Clang 5 complains when `-Wmissing-field-initializers` is used, even
* though it's OK by the C standard. We could test for this, but we'd need * though it's OK by the C standard. We could test for this, but we'd need
* to supress the Clang warning for the test. */ * to supress the Clang warning for the test. */
size_t capacity;
psa_crypto_generator_t func = psa_crypto_generator_init( ); psa_crypto_generator_t func = psa_crypto_generator_init( );
psa_crypto_generator_t init = PSA_CRYPTO_GENERATOR_INIT; psa_crypto_generator_t init = PSA_CRYPTO_GENERATOR_INIT;
psa_crypto_generator_t zero; psa_crypto_generator_t zero;
memset( &zero, 0, sizeof( zero ) ); memset( &zero, 0, sizeof( zero ) );
/* Although not technically guaranteed by the C standard nor the PSA Crypto /* A default generator should have no capacity. */
* specification, we test that all valid ways of initializing the object PSA_ASSERT( psa_get_generator_capacity( &func, &capacity ) );
* have the same bit pattern. This is a stronger requirement that may not TEST_EQUAL( capacity, 0 );
* be valid on all platforms or PSA Crypto implementations, but implies the PSA_ASSERT( psa_get_generator_capacity( &init, &capacity ) );
* weaker actual requirement is met: that a freshly initialized object, no TEST_EQUAL( capacity, 0 );
* matter how it was initialized, acts the same as any other valid PSA_ASSERT( psa_get_generator_capacity( &zero, &capacity ) );
* initialization. */ TEST_EQUAL( capacity, 0 );
TEST_EQUAL( memcmp( &func, &zero, sizeof( zero ) ), 0 );
TEST_EQUAL( memcmp( &init, &zero, sizeof( zero ) ), 0 ); /* A default generator should be abortable without error. */
PSA_ASSERT( psa_generator_abort(&func) );
PSA_ASSERT( psa_generator_abort(&init) );
PSA_ASSERT( psa_generator_abort(&zero) );
} }
/* END_CASE */ /* END_CASE */