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Merge branch 'psa-hash_clone' into psa-api-1.0-beta

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Add psa_hash_clone.
This commit is contained in:
Gilles Peskine 2019-01-19 12:07:27 +01:00
parent 9dcc80e628 ebb2c3e419
commit b37af92eb9
5 changed files with 180 additions and 1 deletions
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18
include/psa/crypto.h
View file

@ -1048,6 +1048,24 @@ psa_status_t psa_hash_verify(psa_hash_operation_t *operation,
*/
psa_status_t psa_hash_abort(psa_hash_operation_t *operation);
/** Clone a hash operation.
*
* \param[in] source_operation The active hash operation to clone.
* \param[in,out] target_operation The operation object to set up.
* It must be initialized but not active.
*
* \retval #PSA_SUCCESS
* \retval #PSA_ERROR_BAD_STATE
* \p source_operation is not an active hash operation.
* \retval #PSA_ERROR_BAD_STATE
* \p source_operation is active.
* \retval #PSA_ERROR_COMMUNICATION_FAILURE
* \retval #PSA_ERROR_HARDWARE_FAILURE
* \retval #PSA_ERROR_TAMPERING_DETECTED
*/
psa_status_t psa_hash_clone(const psa_hash_operation_t *source_operation,
psa_hash_operation_t *target_operation);
/**@}*/
/** \defgroup MAC Message authentication codes

61
library/psa_crypto.c
View file

@ -1507,6 +1507,67 @@ psa_status_t psa_hash_verify( psa_hash_operation_t *operation,
return( PSA_SUCCESS );
}
psa_status_t psa_hash_clone(const psa_hash_operation_t *source_operation,
psa_hash_operation_t *target_operation)
{
if( target_operation->alg != 0 )
return( PSA_ERROR_BAD_STATE );
switch( source_operation->alg )
{
case 0:
return( PSA_ERROR_BAD_STATE );
#if defined(MBEDTLS_MD2_C)
case PSA_ALG_MD2:
mbedtls_md2_clone( &target_operation->ctx.md2,
&source_operation->ctx.md2 );
break;
#endif
#if defined(MBEDTLS_MD4_C)
case PSA_ALG_MD4:
mbedtls_md4_clone( &target_operation->ctx.md4,
&source_operation->ctx.md4 );
break;
#endif
#if defined(MBEDTLS_MD5_C)
case PSA_ALG_MD5:
mbedtls_md5_clone( &target_operation->ctx.md5,
&source_operation->ctx.md5 );
break;
#endif
#if defined(MBEDTLS_RIPEMD160_C)
case PSA_ALG_RIPEMD160:
mbedtls_ripemd160_clone( &target_operation->ctx.ripemd160,
&source_operation->ctx.ripemd160 );
break;
#endif
#if defined(MBEDTLS_SHA1_C)
case PSA_ALG_SHA_1:
mbedtls_sha1_clone( &target_operation->ctx.sha1,
&source_operation->ctx.sha1 );
break;
#endif
#if defined(MBEDTLS_SHA256_C)
case PSA_ALG_SHA_224:
case PSA_ALG_SHA_256:
mbedtls_sha256_clone( &target_operation->ctx.sha256,
&source_operation->ctx.sha256 );
break;
#endif
#if defined(MBEDTLS_SHA512_C)
case PSA_ALG_SHA_384:
case PSA_ALG_SHA_512:
mbedtls_sha512_clone( &target_operation->ctx.sha512,
&source_operation->ctx.sha512 );
break;
#endif
default:
return( PSA_ERROR_NOT_SUPPORTED );
}
target_operation->alg = source_operation->alg;
return( PSA_SUCCESS );
}
/****************************************************************/

6
tests/suites/test_suite_psa_crypto.data
View file

@ -544,6 +544,12 @@ hash_verify_bad_args:
PSA hash finish: bad arguments
hash_finish_bad_args:
PSA hash clone: source state
hash_clone_source_state:
PSA hash clone: target state
hash_clone_target_state:
MAC operation object initializers zero properly
mac_operation_init:

86
tests/suites/test_suite_psa_crypto.function
View file

@ -1924,6 +1924,92 @@ exit:
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_SHA256_C */
void hash_clone_source_state( )
{
psa_algorithm_t alg = PSA_ALG_SHA_256;
unsigned char hash[PSA_HASH_MAX_SIZE];
psa_hash_operation_t op_source = PSA_HASH_OPERATION_INIT;
psa_hash_operation_t op_init = PSA_HASH_OPERATION_INIT;
psa_hash_operation_t op_setup = PSA_HASH_OPERATION_INIT;
psa_hash_operation_t op_finished = PSA_HASH_OPERATION_INIT;
psa_hash_operation_t op_aborted = PSA_HASH_OPERATION_INIT;
size_t hash_len;
PSA_ASSERT( psa_crypto_init( ) );
PSA_ASSERT( psa_hash_setup( &op_source, alg ) );
PSA_ASSERT( psa_hash_setup( &op_setup, alg ) );
PSA_ASSERT( psa_hash_setup( &op_finished, alg ) );
PSA_ASSERT( psa_hash_finish( &op_finished,
hash, sizeof( hash ), &hash_len ) );
PSA_ASSERT( psa_hash_setup( &op_aborted, alg ) );
PSA_ASSERT( psa_hash_abort( &op_aborted ) );
TEST_EQUAL( psa_hash_clone( &op_source, &op_setup ),
PSA_ERROR_BAD_STATE );
PSA_ASSERT( psa_hash_clone( &op_source, &op_init ) );
PSA_ASSERT( psa_hash_finish( &op_init,
hash, sizeof( hash ), &hash_len ) );
PSA_ASSERT( psa_hash_clone( &op_source, &op_finished ) );
PSA_ASSERT( psa_hash_finish( &op_finished,
hash, sizeof( hash ), &hash_len ) );
PSA_ASSERT( psa_hash_clone( &op_source, &op_aborted ) );
PSA_ASSERT( psa_hash_finish( &op_aborted,
hash, sizeof( hash ), &hash_len ) );
exit:
psa_hash_abort( &op_source );
psa_hash_abort( &op_init );
psa_hash_abort( &op_setup );
psa_hash_abort( &op_finished );
psa_hash_abort( &op_aborted );
mbedtls_psa_crypto_free( );
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_SHA256_C */
void hash_clone_target_state( )
{
psa_algorithm_t alg = PSA_ALG_SHA_256;
unsigned char hash[PSA_HASH_MAX_SIZE];
psa_hash_operation_t op_init = PSA_HASH_OPERATION_INIT;
psa_hash_operation_t op_setup = PSA_HASH_OPERATION_INIT;
psa_hash_operation_t op_finished = PSA_HASH_OPERATION_INIT;
psa_hash_operation_t op_aborted = PSA_HASH_OPERATION_INIT;
psa_hash_operation_t op_target = PSA_HASH_OPERATION_INIT;
size_t hash_len;
PSA_ASSERT( psa_crypto_init( ) );
PSA_ASSERT( psa_hash_setup( &op_setup, alg ) );
PSA_ASSERT( psa_hash_setup( &op_finished, alg ) );
PSA_ASSERT( psa_hash_finish( &op_finished,
hash, sizeof( hash ), &hash_len ) );
PSA_ASSERT( psa_hash_setup( &op_aborted, alg ) );
PSA_ASSERT( psa_hash_abort( &op_aborted ) );
PSA_ASSERT( psa_hash_clone( &op_setup, &op_target ) );
PSA_ASSERT( psa_hash_finish( &op_target,
hash, sizeof( hash ), &hash_len ) );
TEST_EQUAL( psa_hash_clone( &op_init, &op_target ), PSA_ERROR_BAD_STATE );
TEST_EQUAL( psa_hash_clone( &op_finished, &op_target ),
PSA_ERROR_BAD_STATE );
TEST_EQUAL( psa_hash_clone( &op_aborted, &op_target ),
PSA_ERROR_BAD_STATE );
exit:
psa_hash_abort( &op_target );
psa_hash_abort( &op_init );
psa_hash_abort( &op_setup );
psa_hash_abort( &op_finished );
psa_hash_abort( &op_aborted );
mbedtls_psa_crypto_free( );
}
/* END_CASE */
/* BEGIN_CASE */
void mac_operation_init( )
{

10
tests/suites/test_suite_psa_crypto_hash.function
View file

@ -67,6 +67,7 @@ void hash_multi_part( int alg_arg, data_t *input, data_t *expected_hash )
unsigned char actual_hash[PSA_HASH_MAX_SIZE];
size_t actual_hash_length;
psa_hash_operation_t operation = PSA_HASH_OPERATION_INIT;
psa_hash_operation_t operation2 = PSA_HASH_OPERATION_INIT;
uint32_t len = 0;
PSA_ASSERT( psa_crypto_init( ) );
@ -78,16 +79,23 @@ void hash_multi_part( int alg_arg, data_t *input, data_t *expected_hash )
PSA_ASSERT( psa_hash_update( &operation,
input->x, len ) );
PSA_ASSERT( psa_hash_clone( &operation, &operation2 ) );
PSA_ASSERT( psa_hash_update( &operation,
input->x + len, input->len - len ) );
PSA_ASSERT( psa_hash_update( &operation2,
input->x + len, input->len - len ) );
PSA_ASSERT( psa_hash_finish( &operation,
actual_hash, sizeof( actual_hash ),
&actual_hash_length ) );
ASSERT_COMPARE( expected_hash->x, expected_hash->len,
actual_hash, actual_hash_length );
PSA_ASSERT( psa_hash_finish( &operation2,
actual_hash, sizeof( actual_hash ),
&actual_hash_length ) );
ASSERT_COMPARE( expected_hash->x, expected_hash->len,
actual_hash, actual_hash_length );
} while( len++ != input->len );
exit: