// Haveno App extends the features of Haveno, supporting mobile devices and more.
// Copyright (C) 2024 Kewbit (https://kewbit.org)
// Source Code: https://git.haveno.com/haveno/haveno-app.git
//
// Author: Kewbit
//    Website: https://kewbit.org
//    Contact Email: me@kewbit.org
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.


import 'dart:math';

String generateHexSalt([int length = 32]) {
  final secureRandom = Random.secure();
  final saltBytes =
      List<int>.generate(length, (i) => secureRandom.nextInt(256));
  return bytesToHex(saltBytes);
}

String bytesToHex(List<int> bytes) {
  final buffer = StringBuffer();
  for (var byte in bytes) {
    buffer.write(byte.toRadixString(16).padLeft(2, '0'));
  }
  return buffer.toString();
}