Line data    Source code

       1             : // Copyright 2023 The terCAD team. All rights reserved.
       2             : // Use of this source code is governed by a CC BY-NC-ND 4.0 license that can be found in the LICENSE file.
       3             : 
       4             : import 'dart:convert';
       5             : 
       6             : import 'package:app_finance/_classes/storage/app_preferences.dart';
       7             : import 'package:crypto/crypto.dart';
       8             : import 'package:encrypt/encrypt.dart';
       9             : 
      10             : class EncryptionHandler {
      11             :   static String prefNotEncrypted = 'false';
      12             : 
      13           4 :   static Encrypter get salt => Encrypter(AES(Key.fromUtf8('tercad-app-finance-by-vlyskouski')));
      14             : 
      15           2 :   static IV get code => IV.fromLength(8);
      16             : 
      17           1 :   static String getHash(Map<String, dynamic> data) {
      18           4 :     return md5.convert(utf8.encode(data.toString())).toString();
      19             :   }
      20             : 
      21           1 :   static bool doEncrypt() {
      22           2 :     return AppPreferences.get(AppPreferences.prefDoEncrypt) != prefNotEncrypted;
      23             :   }
      24             : 
      25           1 :   static String encrypt(String line) {
      26           4 :     return salt.encrypt(line, iv: code).base64;
      27             :   }
      28             : 
      29           0 :   static String decrypt(String line) {
      30           0 :     return salt.decrypt64(line, iv: code);
      31             :   }
      32             : }