anchor.diff:        return data;
       }
       return _toUint8List(
  -        _encryptUint32List(_toUint32List(data, includeLength), _toUint32List(_fixkey(key), false)), false);
  +        _encryptUint32List(_toUint32List(data, includeLength),
  +            _toUint32List(_fixkey(key), false)),
  +        false);
     }
   
  -  String? encryptToString(dynamic data, dynamic key, {bool includeLength = true}) {
  +  String? encryptToString(dynamic data, dynamic key,
  +      {bool includeLength = true}) {
       final encrypted = encrypt(data, key, includeLength: includeLength);
   
       if (encrypted != null) {
  
positive.code:   }
  
    int _mx(int sum, int y, int z, int p, int e, Uint32List k) {
      return ((z >> 5 ^ y << 2) + (y >> 3 ^ z << 4)) ^ ((sum ^ y) + (k[p & 3 ^ e] ^ z));
    }
  
    Uint8List _fixkey(Uint8List key) {
  
negative.code: 
  const xxtea = XXTEA();
  
  Uint8List? xxteaEncrypt(dynamic data, dynamic key,
          {bool includeLength = true}) =>
      xxtea.encrypt(data, key, includeLength: includeLength);
  
  Uint8List? xxteaDecrypt(dynamic data, dynamic key,
          {bool includeLength = true}) =>
      xxtea.decrypt(data, key, includeLength: includeLength);
  
  String? xxteaEncryptToString(dynamic data, dynamic key,
          {bool includeLength = true}) =>
      xxtea.encryptToString(data, key, includeLength: includeLength);
  
  String? xxteaDecryptToString(dynamic data, dynamic key,
          {bool includeLength = true}) =>
      xxtea.decryptToString(data, key, includeLength: includeLength);
  
  class XXTEA {
  