feat: Add data packet cryptor interface. (#34)

Author: cloudwebrtc

CHANGELOG.md

@@ -1,6 +1,10 @@
 # Changelog
 
 --------------------------------------------
+[1.3.0] - 2025-09-09
+
+* Data packet cryptor interface.
+
 [1.2.3] - 2025-04-29
 
 * Media recording changes (#31).

lib/src/data_packet_cryptor.dart

@@ -0,0 +1,37 @@
+import 'dart:typed_data';
+
+import 'frame_cryptor.dart' show Algorithm, KeyProvider;
+
+class EncryptedPacket {
+  EncryptedPacket({
+    required this.data,
+    required this.keyIndex,
+    required this.iv,
+  });
+
+  Uint8List data;
+  int keyIndex;
+  Uint8List iv;
+}
+
+abstract class DataPacketCryptor {
+  Future<EncryptedPacket> encrypt({
+    required String participantId,
+    required int keyIndex,
+    required Uint8List data,
+  });
+
+  Future<Uint8List> decrypt({
+    required String participantId,
+    required EncryptedPacket encryptedPacket,
+  });
+
+  Future<void> dispose();
+}
+
+abstract class DataPacketCryptorFactory {
+  Future<DataPacketCryptor> createDataPacketCryptor({
+    required Algorithm algorithm,
+    required KeyProvider keyProvider,
+  });
+}

lib/webrtc_interface.dart

@@ -1,5 +1,6 @@
 library webrtc_interface;
 
+export 'src/data_packet_cryptor.dart';
 export 'src/enums.dart';
 export 'src/factory.dart';
 export 'src/frame_cryptor.dart';

pubspec.yaml

@@ -1,6 +1,6 @@
 name: webrtc_interface
 description: WebRTC Interface for Dart-Web/Flutter.
-version: 1.2.3
+version: 1.3.0
 homepage: https://flutter-webrtc.org
 
 environment: