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Move the MAC operation structure into the driver headers

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Signed-off-by: Steven Cooreman <steven.cooreman@silabs.com>
This commit is contained in:
Steven Cooreman
2021-03-19 17:05:52 +01:00
parent 896d51e584
commit 6e3c2cbb52
4 changed files with 79 additions and 60 deletions
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43
library/psa_crypto.c
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@ -2328,7 +2328,7 @@ static size_t psa_get_hash_block_size( psa_algorithm_t alg )
/* Initialize the MAC operation structure. Once this function has been
* called, psa_mac_abort can run and will do the right thing. */
static psa_status_t psa_mac_init( psa_mac_operation_t *operation,
static psa_status_t psa_mac_init( mbedtls_psa_mac_operation_t *operation,
psa_algorithm_t alg )
{
psa_status_t status = PSA_ERROR_NOT_SUPPORTED;
@ -2376,8 +2376,11 @@ static psa_status_t psa_hmac_abort_internal( psa_hmac_internal_data *hmac )
}
#endif /* MBEDTLS_PSA_BUILTIN_ALG_HMAC */
psa_status_t psa_mac_abort( psa_mac_operation_t *operation )
psa_status_t psa_mac_abort( psa_mac_operation_t *psa_operation )
{
/* Temporary recast to avoid changing a lot of lines */
mbedtls_psa_mac_operation_t* operation = &psa_operation->ctx.mbedtls_ctx;
if( operation->alg == 0 )
{
/* The object has (apparently) been initialized but it is not
@ -2425,7 +2428,7 @@ bad_state:
}
#if defined(MBEDTLS_PSA_BUILTIN_ALG_CMAC)
static psa_status_t psa_cmac_setup( psa_mac_operation_t *operation,
static psa_status_t psa_cmac_setup( mbedtls_psa_mac_operation_t *operation,
psa_key_slot_t *slot )
{
int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
@ -2514,7 +2517,7 @@ cleanup:
}
#endif /* MBEDTLS_PSA_BUILTIN_ALG_HMAC */
static psa_status_t psa_mac_setup( psa_mac_operation_t *operation,
static psa_status_t psa_mac_setup( psa_mac_operation_t *psa_operation,
mbedtls_svc_key_id_t key,
psa_algorithm_t alg,
int is_sign )
@ -2525,6 +2528,9 @@ static psa_status_t psa_mac_setup( psa_mac_operation_t *operation,
psa_key_usage_t usage =
is_sign ? PSA_KEY_USAGE_SIGN_HASH : PSA_KEY_USAGE_VERIFY_HASH;
/* Temporary recast to avoid changing a lot of lines */
mbedtls_psa_mac_operation_t* operation = &psa_operation->ctx.mbedtls_ctx;
/* A context must be freshly initialized before it can be set up. */
if( operation->alg != 0 )
{
@ -2608,7 +2614,7 @@ static psa_status_t psa_mac_setup( psa_mac_operation_t *operation,
exit:
if( status != PSA_SUCCESS )
{
psa_mac_abort( operation );
psa_mac_abort( psa_operation );
}
else
{
@ -2634,10 +2640,13 @@ psa_status_t psa_mac_verify_setup( psa_mac_operation_t *operation,
return( psa_mac_setup( operation, key, alg, 0 ) );
}
psa_status_t psa_mac_update( psa_mac_operation_t *operation,
psa_status_t psa_mac_update( psa_mac_operation_t *psa_operation,
const uint8_t *input,
size_t input_length )
{
/* Temporary recast to avoid changing a lot of lines */
mbedtls_psa_mac_operation_t* operation = &psa_operation->ctx.mbedtls_ctx;
psa_status_t status = PSA_ERROR_BAD_STATE;
if( ! operation->key_set )
return( PSA_ERROR_BAD_STATE );
@ -2669,7 +2678,7 @@ psa_status_t psa_mac_update( psa_mac_operation_t *operation,
}
if( status != PSA_SUCCESS )
psa_mac_abort( operation );
psa_mac_abort( psa_operation );
return( status );
}
@ -2713,7 +2722,7 @@ exit:
}
#endif /* MBEDTLS_PSA_BUILTIN_ALG_HMAC */
static psa_status_t psa_mac_finish_internal( psa_mac_operation_t *operation,
static psa_status_t psa_mac_finish_internal( mbedtls_psa_mac_operation_t *operation,
uint8_t *mac,
size_t mac_size )
{
@ -2752,11 +2761,14 @@ static psa_status_t psa_mac_finish_internal( psa_mac_operation_t *operation,
}
}
psa_status_t psa_mac_sign_finish( psa_mac_operation_t *operation,
psa_status_t psa_mac_sign_finish( psa_mac_operation_t *psa_operation,
uint8_t *mac,
size_t mac_size,
size_t *mac_length )
{
/* Temporary recast to avoid changing a lot of lines */
mbedtls_psa_mac_operation_t* operation = &psa_operation->ctx.mbedtls_ctx;
psa_status_t status;
if( operation->alg == 0 )
@ -2782,21 +2794,24 @@ psa_status_t psa_mac_sign_finish( psa_mac_operation_t *operation,
if( status == PSA_SUCCESS )
{
status = psa_mac_abort( operation );
status = psa_mac_abort( psa_operation );
if( status == PSA_SUCCESS )
*mac_length = operation->mac_size;
else
memset( mac, '!', mac_size );
}
else
psa_mac_abort( operation );
psa_mac_abort( psa_operation );
return( status );
}
psa_status_t psa_mac_verify_finish( psa_mac_operation_t *operation,
psa_status_t psa_mac_verify_finish( psa_mac_operation_t *psa_operation,
const uint8_t *mac,
size_t mac_length )
{
/* Temporary recast to avoid changing a lot of lines */
mbedtls_psa_mac_operation_t* operation = &psa_operation->ctx.mbedtls_ctx;
uint8_t actual_mac[PSA_MAC_MAX_SIZE];
psa_status_t status;
@ -2825,9 +2840,9 @@ psa_status_t psa_mac_verify_finish( psa_mac_operation_t *operation,
cleanup:
if( status == PSA_SUCCESS )
status = psa_mac_abort( operation );
status = psa_mac_abort( psa_operation );
else
psa_mac_abort( operation );
psa_mac_abort( psa_operation );
mbedtls_platform_zeroize( actual_mac, sizeof( actual_mac ) );