Introduce QPasswordDigestor functions

Added a few functions to derive keys from passwords. Currently it
supports PBKDF1 and PBKDF2 as defined in
RFC 8018 ( https://tools.ietf.org/html/rfc8018 ).

[ChangeLog][QtNetwork][QPasswordDigestor] Added QPasswordDigestor

Task-number: QTBUG-30550
Change-Id: I2166b518bd8b54e3486514166e76fd9ba2f219c8
Reviewed-by: Timur Pocheptsov <timur.pocheptsov@qt.io>
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>

1 files changed, 60 insertions, 0 deletions

diff --git a/src/network/ssl/qpassworddigestor.h b/src/network/ssl/qpassworddigestor.h
new file mode 100644
index 0000000000..0f88643298
--- /dev/null
+++ b/src/network/ssl/qpassworddigestor.h
@@ -0,0 +1,60 @@
+/****************************************************************************
+**
+** Copyright (C) 2018 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QPASSWORDDIGESTOR_H
+#define QPASSWORDDIGESTOR_H
+
+#include <QtNetwork/qtnetworkglobal.h>
+#include <QtCore/QByteArray>
+#include <QtCore/QCryptographicHash>
+
+QT_BEGIN_NAMESPACE
+
+namespace QPasswordDigestor {
+Q_NETWORK_EXPORT QByteArray deriveKeyPbkdf1(QCryptographicHash::Algorithm algorithm,
+                                   const QByteArray &password, const QByteArray &salt,
+                                   int iterations, quint64 dkLen);
+Q_NETWORK_EXPORT QByteArray deriveKeyPbkdf2(QCryptographicHash::Algorithm algorithm,
+                                   const QByteArray &password, const QByteArray &salt,
+                                   int iterations, quint64 dkLen);
+} // namespace QPasswordDigestor
+
+QT_END_NAMESPACE
+
+#endif // QPASSWORDDIGESTOR_H