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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
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@ -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 )
{