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/****************************************************************************
**
** Copyright (C) 2014 Jeremy Lainé <jeremy.laine@m4x.org>
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtNetwork 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.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qsslkey.h"
#include "qsslkey_p.h"
#include <CommonCrypto/CommonCrypto.h>
QT_USE_NAMESPACE
static QByteArray wrapCCCrypt(CCOperation ccOp,
QSslKeyPrivate::Cipher cipher,
const QByteArray &data,
const QByteArray &key, const QByteArray &iv)
{
int blockSize;
CCAlgorithm ccAlgorithm;
switch (cipher) {
case QSslKeyPrivate::DesCbc:
blockSize = kCCBlockSizeDES;
ccAlgorithm = kCCAlgorithmDES;
break;
case QSslKeyPrivate::DesEde3Cbc:
blockSize = kCCBlockSize3DES;
ccAlgorithm = kCCAlgorithm3DES;
break;
case QSslKeyPrivate::Rc2Cbc:
blockSize = kCCBlockSizeRC2;
ccAlgorithm = kCCAlgorithmRC2;
break;
};
size_t plainLength = 0;
QByteArray plain(data.size() + blockSize, 0);
CCCryptorStatus status = CCCrypt(
ccOp, ccAlgorithm, kCCOptionPKCS7Padding,
key.constData(), key.size(),
iv.constData(),
data.constData(), data.size(),
plain.data(), plain.size(), &plainLength);
if (status == kCCSuccess)
return plain.left(plainLength);
return QByteArray();
}
QByteArray QSslKeyPrivate::decrypt(Cipher cipher, const QByteArray &data, const QByteArray &key, const QByteArray &iv)
{
return wrapCCCrypt(kCCDecrypt, cipher, data, key, iv);
}
QByteArray QSslKeyPrivate::encrypt(Cipher cipher, const QByteArray &data, const QByteArray &key, const QByteArray &iv)
{
return wrapCCCrypt(kCCEncrypt, cipher, data, key, iv);
}
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