Line data    Source code

       1              : /*
       2              :  *   Famedly Matrix SDK
       3              :  *   Copyright (C) 2019, 2020, 2021 Famedly GmbH
       4              :  *
       5              :  *   This program is free software: you can redistribute it and/or modify
       6              :  *   it under the terms of the GNU Affero General Public License as
       7              :  *   published by the Free Software Foundation, either version 3 of the
       8              :  *   License, or (at your option) any later version.
       9              :  *
      10              :  *   This program is distributed in the hope that it will be useful,
      11              :  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
      12              :  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
      13              :  *   GNU Affero General Public License for more details.
      14              :  *
      15              :  *   You should have received a copy of the GNU Affero General Public License
      16              :  *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
      17              :  */
      18              : 
      19              : export 'native.dart' if (dart.library.js) 'js.dart';
      20              : 
      21              : import 'dart:math';
      22              : import 'dart:typed_data';
      23              : 
      24            7 : Uint8List secureRandomBytes(int len) {
      25            7 :   final rng = Random.secure();
      26            7 :   final list = Uint8List(len);
      27           35 :   list.setAll(0, Iterable.generate(list.length, (i) => rng.nextInt(256)));
      28              :   return list;
      29              : }