decryptEncryptionResultWithKey method
Future<Uint8List>
decryptEncryptionResultWithKey(
- EncryptionResult encryptionResult,
- EncryptionKey key
override
decrypts a EncryptionResult object obtained from encryptWithKey() using key
,
use this method to avoid unnescessary serialisation/de-serilaisation during decryption
Implementation
@override
Future<Uint8List> decryptEncryptionResultWithKey(
EncryptionResult encryptionResult, EncryptionKey key) {
final mac = Mac(encryptionResult.encryptionArtefacts.authTag);
final secretBox = SecretBox(encryptionResult.cipherText,
nonce: encryptionResult.encryptionArtefacts.nonce, mac: mac);
return _cipher
.decrypt(
secretBox,
aad: encryptionResult.encryptionArtefacts.authData,
secretKey: SecretKey((key as SymmetricKey).bytes),
)
.then((value) => Uint8List.fromList(value));
}