meta: Implement access to AES encryption (but fast)

packages/moxplatform_android/lib/src/crypto_android.dart

@@ -0,0 +1,31 @@
+import 'dart:typed_data';
+import 'package:flutter/services.dart';
+import 'package:moxplatform_platform_interface/moxplatform_platform_interface.dart';
+
+class AndroidCryptographyImplementation extends CryptographyImplementation {
+  final _methodChannel = const MethodChannel('me.polynom.moxplatform_android');
+
+  @override
+  Future<bool> encryptFile(String sourcePath, String destPath, Uint8List key, Uint8List iv, CipherAlgorithm algorithm) async {
+    final result = await _methodChannel.invokeMethod<bool>('encryptFile', [
+      sourcePath,
+      destPath,
+      key,
+      iv,
+      algorithm.toInt(),
+    ]);
+    return result ?? false;
+  }
+
+  @override
+  Future<bool> decryptFile(String sourcePath, String destPath, Uint8List key, Uint8List iv, CipherAlgorithm algorithm) async {
+    final result = await _methodChannel.invokeMethod<bool>('decryptFile', [
+      sourcePath,
+      destPath,
+      key,
+      iv,
+      algorithm.toInt(),
+    ]);
+    return result ?? false;
+  }
+}

packages/moxplatform_android/lib/src/plugin_android.dart

@@ -1,3 +1,4 @@
+import 'package:moxplatform_android/src/crypto_android.dart';
 import 'package:moxplatform_android/src/isolate_android.dart';
 import 'package:moxplatform_android/src/media_android.dart';
 import 'package:moxplatform_platform_interface/moxplatform_platform_interface.dart';
@@ -8,6 +9,7 @@ class MoxplatformAndroidPlugin extends MoxplatformInterface {
     print('MoxplatformAndroidPlugin: Registering implementation');
     MoxplatformInterface.handler = AndroidIsolateHandler();
     MoxplatformInterface.media = AndroidMediaScannerImplementation();
+    MoxplatformInterface.crypto = AndroidCryptographyImplementation();
   }
 
   @override