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/*
* Copyright (C) 2001-2009 Jacek Sieka, arnetheduck on gmail point 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef DCPLUSPLUS_DCPP_CRYPTO_MANAGER_H
#define DCPLUSPLUS_DCPP_CRYPTO_MANAGER_H
#include "SettingsManager.h"
#include "Exception.h"
#include "Singleton.h"
#include "FastAlloc.h"
#include "SSLSocket.h"
namespace dcpp {
STANDARD_EXCEPTION(CryptoException);
class File;
class FileException;
class CryptoManager : public Singleton<CryptoManager>
{
public:
string makeKey(const string& aLock);
const string& getLock() { return lock; }
const string& getPk() { return pk; }
bool isExtended(const string& aLock) { return strncmp(aLock.c_str(), "EXTENDEDPROTOCOL", 16) == 0; }
void decodeBZ2(const uint8_t* is, size_t sz, string& os) throw(CryptoException);
SSLSocket* getClientSocket(bool allowUntrusted) throw(SocketException);
SSLSocket* getServerSocket(bool allowUntrusted) throw(SocketException);
void loadCertificates() throw();
void generateCertificate() throw(CryptoException);
bool checkCertificate() throw();
bool TLSOk() const throw();
private:
friend class Singleton<CryptoManager>;
CryptoManager();
virtual ~CryptoManager();
ssl::SSL_CTX clientContext;
ssl::SSL_CTX clientVerContext;
ssl::SSL_CTX serverContext;
ssl::SSL_CTX serverVerContext;
ssl::DH dh;
bool certsLoaded;
const string lock;
const string pk;
string keySubst(const uint8_t* aKey, size_t len, size_t n);
bool isExtra(uint8_t b) {
return (b == 0 || b==5 || b==124 || b==96 || b==126 || b==36);
}
};
} // namespace dcpp
#endif // !defined(CRYPTO_MANAGER_H)
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