111 lines
4.1 KiB
C++
111 lines
4.1 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2021 The Qt Company Ltd.
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** Copyright (C) 2014 Jeremy Lainé <jeremy.laine@m4x.org>
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the QtNetwork module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 3 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL3 included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 3 requirements
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** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 2.0 or (at your option) the GNU General
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** Public license version 3 or any later version approved by the KDE Free
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** Qt Foundation. The licenses are as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-2.0.html and
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** https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "qtlskey_st_p.h"
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#include "qsslkey_p.h"
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#include <qbytearray.h>
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#include <CommonCrypto/CommonCrypto.h>
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#include <cstddef>
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QT_BEGIN_NAMESPACE
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namespace QSsl {
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namespace {
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// Before this code was located in qsslkey_mac.cpp.
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QByteArray wrapCCCrypt(CCOperation ccOp, QSslKeyPrivate::Cipher cipher,
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const QByteArray &data, const QByteArray &key,
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const QByteArray &iv)
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{
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int blockSize = {};
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CCAlgorithm ccAlgorithm = {};
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switch (cipher) {
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case QSslKeyPrivate::DesCbc:
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blockSize = kCCBlockSizeDES;
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ccAlgorithm = kCCAlgorithmDES;
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break;
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case QSslKeyPrivate::DesEde3Cbc:
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blockSize = kCCBlockSize3DES;
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ccAlgorithm = kCCAlgorithm3DES;
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break;
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case QSslKeyPrivate::Rc2Cbc:
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blockSize = kCCBlockSizeRC2;
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ccAlgorithm = kCCAlgorithmRC2;
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break;
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case QSslKeyPrivate::Aes128Cbc:
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case QSslKeyPrivate::Aes192Cbc:
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case QSslKeyPrivate::Aes256Cbc:
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blockSize = kCCBlockSizeAES128;
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ccAlgorithm = kCCAlgorithmAES;
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break;
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}
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std::size_t plainLength = 0;
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QByteArray plain(data.size() + blockSize, 0);
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CCCryptorStatus status = CCCrypt(ccOp, ccAlgorithm, kCCOptionPKCS7Padding,
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key.constData(), std::size_t(key.size()),
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iv.constData(), data.constData(), std::size_t(data.size()),
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plain.data(), std::size_t(plain.size()), &plainLength);
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if (status == kCCSuccess)
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return plain.left(int(plainLength));
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return {};
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}
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} // Unnamed namespace.
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QByteArray TlsKeySecureTransport::decrypt(QSslKeyPrivate::Cipher cipher, const QByteArray &data,
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const QByteArray &key, const QByteArray &iv) const
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{
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return wrapCCCrypt(kCCDecrypt, cipher, data, key, iv);
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}
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QByteArray TlsKeySecureTransport::encrypt(QSslKeyPrivate::Cipher cipher, const QByteArray &data,
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const QByteArray &key, const QByteArray &iv) const
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{
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return wrapCCCrypt(kCCEncrypt, cipher, data, key, iv);
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}
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} // namespace QSsl.
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QT_END_NAMESPACE
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