/usr/include/libktorrent/mse/encryptedserverauthenticate.h is in libktorrent-dev 1.3.1-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (C) 2005 by Joris Guisson *
* joris.guisson@gmail.com *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#ifndef MSEENCRYPTEDSERVERAUTHENTICATE_H
#define MSEENCRYPTEDSERVERAUTHENTICATE_H
#include <util/sha1hash.h>
#include <peer/serverauthenticate.h>
#include "bigint.h"
namespace mse
{
class RC4Encryptor;
const Uint32 MAX_SEA_BUF_SIZE = 608 + 20 + 20 + 8 + 4 + 2 + 512 + 2 + 68;
/**
@author Joris Guisson <joris.guisson@gmail.com>
*/
class EncryptedServerAuthenticate : public bt::ServerAuthenticate
{
Q_OBJECT
public:
EncryptedServerAuthenticate(mse::EncryptedPacketSocket::Ptr sock);
virtual ~EncryptedServerAuthenticate();
private slots:
virtual void onReadyRead();
private:
void handleYA();
void sendYB();
void findReq1();
void calculateSKey();
void processVC();
void handlePadC();
void handleIA();
private:
enum State
{
WAITING_FOR_YA,
WAITING_FOR_REQ1,
FOUND_REQ1,
FOUND_INFO_HASH,
WAIT_FOR_PAD_C,
WAIT_FOR_IA,
NON_ENCRYPTED_HANDSHAKE
};
BigInt xb,yb,s,ya;
bt::SHA1Hash skey,info_hash;
State state;
Uint8 buf[MAX_SEA_BUF_SIZE];
Uint32 buf_size;
Uint32 req1_off;
Uint32 crypto_provide,crypto_select;
Uint16 pad_C_len;
Uint16 ia_len;
RC4Encryptor* our_rc4;
};
}
#endif
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