tripz-llc/apps/driver/lib/controller/functions/encrypt.dart

import 'dart:convert';
import 'package:encrypt/encrypt.dart' as encrypt;

import '../../constant/api_key.dart';

class KeyEncryption {
  // استخدم مفتاح بطول 32 حرفًا
  static final _key = encrypt.Key.fromUtf8(AK.keyOfApp);
  static final _iv =
      encrypt.IV.fromLength(16); // توليد تهيئة عشوائية بطول 16 بايت

  static String encryptKey(String key) {
    final encrypter =
        encrypt.Encrypter(encrypt.AES(_key, mode: encrypt.AESMode.cbc));
    final encrypted = encrypter.encrypt(key, iv: _iv);
    final result = _iv.bytes + encrypted.bytes; // تضمين التهيئة مع النص المشفر
    return base64Encode(result);
  }

  static String decryptKey(String encryptedKey) {
    print('encryptedKey: ${AK.keyOfApp}');

    final decoded = base64Decode(encryptedKey);
    print('encryptedKey: $encryptedKey');
    final iv = encrypt.IV(decoded.sublist(0, 16)); // استخراج التهيئة
    final encrypted =
        encrypt.Encrypted(decoded.sublist(16)); // استخراج النص المشفر
    final encrypter =
        encrypt.Encrypter(encrypt.AES(_key, mode: encrypt.AESMode.cbc));
    return encrypter.decrypt(encrypted, iv: iv);
  }
}