105 lines
3.3 KiB
C++
105 lines
3.3 KiB
C++
/**************************************************************************
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**
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** This file is part of Qt Creator
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**
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** Copyright (c) 2012 Nokia Corporation and/or its subsidiary(-ies).
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**
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** Contact: http://www.qt-project.org/
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**
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**
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** GNU Lesser General Public License Usage
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**
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** This file may be used under the terms of the GNU Lesser General Public
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** License version 2.1 as published by the Free Software Foundation and
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** appearing in the file LICENSE.LGPL included in the packaging of this file.
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** Please review the following information to ensure the GNU Lesser General
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** Public License version 2.1 requirements will be met:
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** Other Usage
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**
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** Alternatively, this file may be used in accordance with the terms and
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** conditions contained in a signed written agreement between you and Nokia.
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**
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**
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**************************************************************************/
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#ifndef SSHKEYEXCHANGE_P_H
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#define SSHKEYEXCHANGE_P_H
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#include "sshconnection.h"
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#include <QByteArray>
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#include <QScopedPointer>
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#include <memory>
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namespace Botan {
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class DH_PrivateKey;
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class ECDH_PrivateKey;
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class HashFunction;
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}
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namespace QSsh {
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namespace Internal {
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struct SshKeyExchangeInit;
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class SshSendFacility;
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class SshIncomingPacket;
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class SshKeyExchange
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{
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public:
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SshKeyExchange(const SshConnectionParameters &connParams, SshSendFacility &sendFacility);
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~SshKeyExchange();
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const QByteArray &hostKeyFingerprint() { return m_hostFingerprint; }
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void sendKexInitPacket(const QByteArray &serverId);
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// Returns true <=> the server sends a guessed package.
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bool sendDhInitPacket(const SshIncomingPacket &serverKexInit);
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void sendNewKeysPacket(const SshIncomingPacket &dhReply,
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const QByteArray &clientId);
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QByteArray k() const { return m_k; }
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QByteArray h() const { return m_h; }
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Botan::HashFunction *hash() const { return m_hash.get(); }
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QByteArray encryptionAlgo() const { return m_encryptionAlgo; }
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QByteArray decryptionAlgo() const { return m_decryptionAlgo; }
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QByteArray hMacAlgoClientToServer() const { return m_c2sHMacAlgo; }
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QByteArray hMacAlgoServerToClient() const { return m_s2cHMacAlgo; }
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private:
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QByteArray hashAlgoForKexAlgo() const;
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void determineHashingAlgorithm(const SshKeyExchangeInit &kexInit, bool serverToClient);
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void checkHostKey(const QByteArray &hostKey);
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Q_NORETURN void throwHostKeyException();
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QByteArray m_serverId;
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QByteArray m_clientKexInitPayload;
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QByteArray m_serverKexInitPayload;
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QScopedPointer<Botan::DH_PrivateKey> m_dhKey;
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QScopedPointer<Botan::ECDH_PrivateKey> m_ecdhKey;
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QByteArray m_kexAlgoName;
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QByteArray m_k;
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QByteArray m_h;
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QByteArray m_serverHostKeyAlgo;
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QByteArray m_encryptionAlgo;
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QByteArray m_decryptionAlgo;
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QByteArray m_c2sHMacAlgo;
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QByteArray m_s2cHMacAlgo;
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std::unique_ptr<Botan::HashFunction> m_hash;
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const SshConnectionParameters m_connParams;
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SshSendFacility &m_sendFacility;
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QByteArray m_hostFingerprint;
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};
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} // namespace Internal
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} // namespace QSsh
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#endif // SSHKEYEXCHANGE_P_H
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