import 'dart:convert'; import 'dart:typed_data'; import 'package:flutter/services.dart'; class EmailImageEncryption { static final EmailImageEncryption _instance = EmailImageEncryption._internal(); static const MethodChannel _channel = MethodChannel('flutter_des'); static const key = "PeShVmYp"; static const iv = "j70IbWYn"; EmailImageEncryption._internal(); factory EmailImageEncryption() => _instance; Future encrypt({required String val}) async { Uint8List? crypt = await _channel.invokeMethod('encrypt', [val, key, iv]); String enc = base64Encode(crypt!.toList()); return enc; } Future decrypt({required String encodedVal}) async { Uint8List deco = base64Decode(encodedVal); String? decCrypt = await _channel.invokeMethod('decrypt', [deco, key, iv]); return decCrypt!; } }