PapaTutuWawa/omemo_dart
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

style: Format using dart format

Browse Source
This commit is contained in:
PapaTutuWawa
2023-06-12 19:20:43 +02:00
parent f2ec7bd759
commit 65f1daff55
35 changed files with 713 additions and 461 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
lib/src/crypto.dart
View File

@@ -6,7 +6,8 @@ import 'package:omemo_dart/src/keys.dart';
/// it indicates which of [kp] ([identityKey] == 1) or [pk] ([identityKey] == 2)
/// is the identity key. This is needed since the identity key pair/public key is
/// an Ed25519 key, but we need them as X25519 keys for DH.
Future<List<int>> omemoDH(OmemoKeyPair kp, OmemoPublicKey pk, int identityKey) async {
Future<List<int>> omemoDH(
OmemoKeyPair kp, OmemoPublicKey pk, int identityKey,) async {
var ckp = kp;
var cpk = pk;
@@ -17,15 +18,14 @@ Future<List<int>> omemoDH(OmemoKeyPair kp, OmemoPublicKey pk, int identityKey) a
}
final shared = await Cryptography.instance.x25519().sharedSecretKey(
keyPair: await ckp.asKeyPair(),
remotePublicKey: cpk.asPublicKey(),
);
keyPair: await ckp.asKeyPair(),
remotePublicKey: cpk.asPublicKey(),
);
return shared.extractBytes();
}
class HkdfKeyResult {
const HkdfKeyResult(this.encryptionKey, this.authenticationKey, this.iv);
final List<int> encryptionKey;
final List<int> authenticationKey;
@@ -35,7 +35,8 @@ class HkdfKeyResult {
/// cryptography _really_ wants to check the MAC output from AES-256-CBC. Since
/// we don't have it, we need the MAC check to always "pass".
class NoMacSecretBox extends SecretBox {
NoMacSecretBox(super.cipherText, { required super.nonce }) : super(mac: Mac.empty);
NoMacSecretBox(super.cipherText, {required super.nonce})
: super(mac: Mac.empty);
@override
Future<void> checkMac({
@@ -59,13 +60,15 @@ Future<HkdfKeyResult> deriveEncryptionKeys(List<int> input, String info) async {
info: utf8.encode(info),
);
final bytes = await result.extractBytes();
return HkdfKeyResult(bytes.sublist(0, 32), bytes.sublist(32, 64), bytes.sublist(64, 80));
return HkdfKeyResult(
bytes.sublist(0, 32), bytes.sublist(32, 64), bytes.sublist(64, 80),);
}
/// A small helper function to make AES-256-CBC easier. Encrypt [plaintext] using [key] as
/// the encryption key and [iv] as the IV. Returns the ciphertext.
Future<List<int>> aes256CbcEncrypt(List<int> plaintext, List<int> key, List<int> iv) async {
Future<List<int>> aes256CbcEncrypt(
List<int> plaintext, List<int> key, List<int> iv,) async {
final algorithm = AesCbc.with256bits(
macAlgorithm: MacAlgorithm.empty,
);
@@ -80,7 +83,8 @@ Future<List<int>> aes256CbcEncrypt(List<int> plaintext, List<int> key, List<int>
/// A small helper function to make AES-256-CBC easier. Decrypt [ciphertext] using [key] as
/// the encryption key and [iv] as the IV. Returns the ciphertext.
Future<List<int>> aes256CbcDecrypt(List<int> ciphertext, List<int> key, List<int> iv) async {
Future<List<int>> aes256CbcDecrypt(
List<int> ciphertext, List<int> key, List<int> iv,) async {
final algorithm = AesCbc.with256bits(
macAlgorithm: MacAlgorithm.empty,
);