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Implement and test psa_hash_compute, psa_hash_compare

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This commit is contained in:
Gilles Peskine 2019-11-28 19:33:58 +01:00
parent f712e163b0
commit 0a749c8fa3
3 changed files with 187 additions and 0 deletions
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52
library/psa_crypto.c
View file

@ -2351,6 +2351,58 @@ psa_status_t psa_hash_verify( psa_hash_operation_t *operation,
return( PSA_SUCCESS );
}
psa_status_t psa_hash_compute( psa_algorithm_t alg,
const uint8_t *input, size_t input_length,
uint8_t *hash, size_t hash_size,
size_t *hash_length )
{
psa_hash_operation_t operation = PSA_HASH_OPERATION_INIT;
psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
*hash_length = hash_size;
status = psa_hash_setup( &operation, alg );
if( status != PSA_SUCCESS )
goto exit;
status = psa_hash_update( &operation, input, input_length );
if( status != PSA_SUCCESS )
goto exit;
status = psa_hash_finish( &operation, hash, hash_size, hash_length );
if( status != PSA_SUCCESS )
goto exit;
exit:
if( status == PSA_SUCCESS )
status = psa_hash_abort( &operation );
else
psa_hash_abort( &operation );
return( status );
}
psa_status_t psa_hash_compare( psa_algorithm_t alg,
const uint8_t *input, size_t input_length,
const uint8_t *hash, size_t hash_length )
{
psa_hash_operation_t operation = PSA_HASH_OPERATION_INIT;
psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
status = psa_hash_setup( &operation, alg );
if( status != PSA_SUCCESS )
goto exit;
status = psa_hash_update( &operation, input, input_length );
if( status != PSA_SUCCESS )
goto exit;
status = psa_hash_verify( &operation, hash, hash_length );
if( status != PSA_SUCCESS )
goto exit;
exit:
if( status == PSA_SUCCESS )
status = psa_hash_abort( &operation );
else
psa_hash_abort( &operation );
return( status );
}
psa_status_t psa_hash_clone( const psa_hash_operation_t *source_operation,
psa_hash_operation_t *target_operation )
{

52
tests/suites/test_suite_psa_crypto.data
View file

@ -774,6 +774,58 @@ hash_verify_bad_args:
PSA hash finish: bad arguments
hash_finish_bad_args:
PSA hash compute: bad algorithm (unknown hash)
depends_on:MBEDTLS_SHA256_C
hash_compute_fail:PSA_ALG_CATEGORY_HASH:"":32:PSA_ERROR_NOT_SUPPORTED
PSA hash compute: bad algorithm (wildcard)
depends_on:MBEDTLS_SHA256_C
hash_compute_fail:PSA_ALG_ANY_HASH:"":32:PSA_ERROR_NOT_SUPPORTED
PSA hash compute: bad algorithm (not a hash)
depends_on:MBEDTLS_SHA256_C
hash_compute_fail:PSA_ALG_HMAC(PSA_ALG_SHA_256):"":32:PSA_ERROR_INVALID_ARGUMENT
PSA hash compute: output buffer too small
depends_on:MBEDTLS_SHA256_C
hash_compute_fail:PSA_ALG_SHA_256:"":31:PSA_ERROR_BUFFER_TOO_SMALL
PSA hash compute: good, SHA-1
depends_on:MBEDTLS_SHA1_C
hash_compute_compare:PSA_ALG_SHA_1:"42749e":"a444319e9b6cc1e8464c511ec0969c37d6bb2619"
PSA hash compute: good, SHA-224
depends_on:MBEDTLS_SHA256_C
hash_compute_compare:PSA_ALG_SHA_224:"50efd0":"b5a9820413c2bf8211fbbf5df1337043b32fa4eafaf61a0c8e9ccede"
PSA hash compute: good, SHA-256
depends_on:MBEDTLS_SHA256_C
hash_compute_compare:PSA_ALG_SHA_256:"b0bd69":"4096804221093ddccfbf46831490ea63e9e99414858f8d75ff7f642c7ca61803"
PSA hash compute: good, SHA-384
depends_on:MBEDTLS_SHA512_C:!MBEDTLS_SHA512_NO_SHA384
hash_compute_compare:PSA_ALG_SHA_384:"31f5ca":"78d54b943421fdf7ba90a7fb9637c2073aa480454bd841d39ff72f4511fc21fb67797b652c0c823229342873d3bef955"
PSA hash compute: good, SHA-512
depends_on:MBEDTLS_SHA512_C
hash_compute_compare:PSA_ALG_SHA_512:"de4c90":"33ce98281045a5c4c9df0363d8196f1d7dfcd5ee46ac89776fd8a4344c12f123a66788af5bd41ceff1941aa5637654b4064c88c14e00465ab79a2fc6c97e1014"
PSA hash compute: good, MD2
depends_on:MBEDTLS_MD2_C
hash_compute_compare:PSA_ALG_MD2:"616263":"da853b0d3f88d99b30283a69e6ded6bb"
PSA hash compute: good, MD4
depends_on:MBEDTLS_MD4_C
hash_compute_compare:PSA_ALG_MD4:"616263":"a448017aaf21d8525fc10ae87aa6729d"
PSA hash compute: good, MD5
depends_on:MBEDTLS_MD5_C
hash_compute_compare:PSA_ALG_MD5:"616263":"900150983cd24fb0d6963f7d28e17f72"
PSA hash compute: good, RIPEMD160
depends_on:MBEDTLS_RIPEMD160_C
hash_compute_compare:PSA_ALG_RIPEMD160:"616263":"8eb208f7e05d987a9b044a8e98c6b087f15a0bfc"
PSA hash clone: source state
hash_clone_source_state:

83
tests/suites/test_suite_psa_crypto.function
View file

@ -2430,6 +2430,89 @@ exit:
}
/* END_CASE */
/* BEGIN_CASE */
void hash_compute_fail( int alg_arg, data_t *input,
int output_size_arg, int expected_status_arg )
{
psa_algorithm_t alg = alg_arg;
uint8_t *output = NULL;
size_t output_size = output_size_arg;
size_t output_length = INVALID_EXPORT_LENGTH;
psa_status_t expected_status = expected_status_arg;
psa_status_t status;
ASSERT_ALLOC( output, output_size );
PSA_ASSERT( psa_crypto_init( ) );
status = psa_hash_compute( alg, input->x, input->len,
output, output_size, &output_length );
TEST_EQUAL( status, expected_status );
TEST_ASSERT( output_length <= output_size );
exit:
mbedtls_free( output );
PSA_DONE( );
}
/* END_CASE */
/* BEGIN_CASE */
void hash_compute_compare( int alg_arg, data_t *input,
data_t *expected_output )
{
psa_algorithm_t alg = alg_arg;
uint8_t output[PSA_HASH_MAX_SIZE + 1];
size_t output_length = INVALID_EXPORT_LENGTH;
size_t i;
PSA_ASSERT( psa_crypto_init( ) );
/* Compute with tight buffer */
PSA_ASSERT( psa_hash_compute( alg, input->x, input->len,
output, PSA_HASH_SIZE( alg ),
&output_length ) );
TEST_EQUAL( output_length, PSA_HASH_SIZE( alg ) );
ASSERT_COMPARE( output, output_length,
expected_output->x, expected_output->len );
/* Compute with larger buffer */
PSA_ASSERT( psa_hash_compute( alg, input->x, input->len,
output, sizeof( output ),
&output_length ) );
TEST_EQUAL( output_length, PSA_HASH_SIZE( alg ) );
ASSERT_COMPARE( output, output_length,
expected_output->x, expected_output->len );
/* Compare with correct hash */
PSA_ASSERT( psa_hash_compare( alg, input->x, input->len,
output, output_length ) );
/* Compare with trailing garbage */
TEST_EQUAL( psa_hash_compare( alg, input->x, input->len,
output, output_length + 1 ),
PSA_ERROR_INVALID_SIGNATURE );
/* Compare with truncated hash */
TEST_EQUAL( psa_hash_compare( alg, input->x, input->len,
output, output_length - 1 ),
PSA_ERROR_INVALID_SIGNATURE );
/* Compare with corrupted value */
for( i = 0; i < output_length; i++ )
{
test_set_step( i );
output[i] ^= 1;
TEST_EQUAL( psa_hash_compare( alg, input->x, input->len,
output, output_length ),
PSA_ERROR_INVALID_SIGNATURE );
output[i] ^= 1;
}
exit:
PSA_DONE( );
}
/* END_CASE */
/* BEGIN_CASE */
void hash_bad_order( )
{