Add boilerplate to recover a transaction during init
@@ -5782,6 +5782,30 @@ void mbedtls_psa_crypto_free( void )
#endif /* MBEDTLS_PSA_CRYPTO_SE_C */
}
+#if defined(PSA_CRYPTO_STORAGE_HAS_TRANSACTIONS)
+/** Recover a transaction that was interrupted by a power failure.
+ *
+ * This function is called during initialization, before psa_crypto_init()
+ * returns. If this function returns a failure status, the initialization
+ * fails.
+ */
+static psa_status_t psa_crypto_recover_transaction(
+ const psa_crypto_transaction_t *transaction )
+{
+ switch( transaction->unknown.type )
+ {
+ case PSA_CRYPTO_TRANSACTION_CREATE_KEY:
+ case PSA_CRYPTO_TRANSACTION_DESTROY_KEY:
+ /* TOnogrepDO - fall through to the failure case until this
+ * is implemented */
+ default:
+ /* We found an unsupported transaction in the storage.
+ * We don't know what state the storage is in. Give up. */
+ return( PSA_ERROR_STORAGE_FAILURE );
+ }
+}
+#endif /* PSA_CRYPTO_STORAGE_HAS_TRANSACTIONS */
+
psa_status_t psa_crypto_init( void )
{
psa_status_t status;
@@ -5819,7 +5843,10 @@ psa_status_t psa_crypto_init( void )
status = psa_crypto_load_transaction( );
if( status == PSA_SUCCESS )
{
- /*TOnogrepDO: complete or abort the transaction*/
+ status = psa_crypto_recover_transaction( &psa_crypto_transaction );
+ if( status != PSA_SUCCESS )
+ goto exit;
+ status = psa_crypto_stop_transaction( );
}
else if( status == PSA_ERROR_DOES_NOT_EXIST )
{
