src/base/utils/password.h

   1 /*
   2  * Bittorrent Client using Qt and libtorrent.
   3  * Copyright (C) 2023  Vladimir Golovnev <glassez@yandex.ru>
   4  * Copyright (C) 2018  Mike Tzou (Chocobo1)
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License
   8  * as published by the Free Software Foundation; either version 2
   9  * of the License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  19  *
  20  * In addition, as a special exception, the copyright holders give permission to
  21  * link this program with the OpenSSL project's "OpenSSL" library (or with
  22  * modified versions of it that use the same license as the "OpenSSL" library),
  23  * and distribute the linked executables. You must obey the GNU General Public
  24  * License in all respects for all of the code used other than "OpenSSL".  If you
  25  * modify file(s), you may extend this exception to your version of the file(s),
  26  * but you are not obligated to do so. If you do not wish to do so, delete this
  27  * exception statement from your version.
  28  */
  29
  30 #pragma once
  31
  32 class QByteArray;
  33 class QString;
  34
  35 namespace Utils::Password
  36 {
  37     // Implements constant-time comparison to protect against timing attacks
  38     // Taken from https://crackstation.net/hashing-security.htm
  39     bool slowEquals(const QByteArray &a, const QByteArray &b);
  40
  41     QString generate();
  42
  43     namespace PBKDF2
  44     {
  45         QByteArray generate(const QString &password);
  46         QByteArray generate(const QByteArray &password);
  47
  48         bool verify(const QByteArray &secret, const QString &password);
  49         bool verify(const QByteArray &secret, const QByteArray &password);
  50     }
  51 }