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/*
* Copyright (C) 2022 Dinglan Peng
*
* This 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 software 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 software; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
* USA.
*/
#ifndef __C_SECURITY_RSAAES_H__
#define __C_SECURITY_RSAAES_H__
#ifndef HAVE_NETTLE
#error "This header should not be compiled without HAVE_NETTLE defined"
#endif
#include <nettle/rsa.h>
#include <rfb/CSecurity.h>
#include <rfb/Security.h>
#include <rfb/UserMsgBox.h>
#include <rdr/InStream.h>
#include <rdr/OutStream.h>
#include <rdr/RandomStream.h>
namespace rfb {
class UserMsgBox;
class CSecurityRSAAES : public CSecurity {
public:
CSecurityRSAAES(CConnection* cc, uint32_t secType,
int keySize, bool isAllEncrypted);
virtual ~CSecurityRSAAES();
virtual bool processMsg();
virtual int getType() const { return secType; }
virtual bool isSecure() const { return secType == secTypeRA256; }
static IntParameter RSAKeyLength;
private:
void cleanup();
void writePublicKey();
bool readPublicKey();
void verifyServer();
void writeRandom();
bool readRandom();
void setCipher();
void writeHash();
bool readHash();
void clearSecrets();
bool readSubtype();
void writeCredentials();
int state;
int keySize;
bool isAllEncrypted;
uint32_t secType;
uint8_t subtype;
struct rsa_private_key clientKey;
struct rsa_public_key clientPublicKey;
struct rsa_public_key serverKey;
uint32_t serverKeyLength;
uint8_t* serverKeyN;
uint8_t* serverKeyE;
uint32_t clientKeyLength;
uint8_t* clientKeyN;
uint8_t* clientKeyE;
uint8_t serverRandom[32];
uint8_t clientRandom[32];
rdr::InStream* rais;
rdr::OutStream* raos;
rdr::InStream* rawis;
rdr::OutStream* rawos;
rdr::RandomStream rs;
};
}
#endif
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