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#ifndef _LIBKVIRIJNDAEL_H_
#define _LIBKVIRIJNDAEL_H_
//
// File : libkvirijndael.h
// Creation date : Sat Now 4 2000 15:41:41 CEST by Szymon Stefanek
//
// This file is part of the KVirc irc client distribution
// Copyright (C) 1999-2000 Till Bush (buti@geocities.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 opinion) 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.
//
#include "kvi_settings.h"
#ifdef COMPILE_CRYPT_SUPPORT
#include "kvi_crypt.h"
#include "rijndael.h"
class KviRijndaelEngine : public KviCryptEngine
{
Q_OBJECT
public:
KviRijndaelEngine();
virtual ~KviRijndaelEngine();
private:
Rijndael * m_pEncryptCipher;
Rijndael * m_pDecryptCipher;
public:
virtual bool init(const char *encKey,int encKeyLen,const char *decKey,int decKeyLen);
virtual KviCryptEngine::EncryptResult encrypt(const char * plainText,KviStr &outBuffer);
virtual KviCryptEngine::DecryptResult decrypt(const char * inBuffer,KviStr &plainText);
protected:
virtual bool binaryToAscii(const char * inBuffer,int len,KviStr &outBuffer){ return false; };
virtual bool asciiToBinary(const char * inBuffer,int * len,char ** outBuffer){ return false; };
virtual int getKeyLen(){ return 32; };
virtual Rijndael::KeyLength getKeyLenId(){ return Rijndael::Key32Bytes; };
private:
void setLastErrorFromRijndaelErrorCode(int errCode);
};
class KviRijndaelHexEngine : public KviRijndaelEngine
{
Q_OBJECT
public:
KviRijndaelHexEngine() : KviRijndaelEngine() {};
virtual ~KviRijndaelHexEngine(){};
protected:
virtual bool binaryToAscii(const char * inBuffer,int len,KviStr &outBuffer);
virtual bool asciiToBinary(const char * inBuffer,int * len,char ** outBuffer);
};
class KviRijndael128HexEngine : public KviRijndaelHexEngine
{
Q_OBJECT
public:
KviRijndael128HexEngine() : KviRijndaelHexEngine() {};
virtual ~KviRijndael128HexEngine(){};
protected:
virtual int getKenLen(){ return 16; };
virtual Rijndael::KeyLength getKeyLenId(){ return Rijndael::Key16Bytes; };
};
class KviRijndael192HexEngine : public KviRijndaelHexEngine
{
Q_OBJECT
public:
KviRijndael192HexEngine() : KviRijndaelHexEngine() {};
virtual ~KviRijndael192HexEngine(){};
protected:
virtual int getKenLen(){ return 24; };
virtual Rijndael::KeyLength getKeyLenId(){ return Rijndael::Key24Bytes; };
};
class KviRijndael256HexEngine : public KviRijndaelHexEngine
{
Q_OBJECT
public:
KviRijndael256HexEngine() : KviRijndaelHexEngine() {};
virtual ~KviRijndael256HexEngine(){};
protected:
virtual int getKenLen(){ return 32; };
};
class KviRijndaelBase64Engine : public KviRijndaelEngine
{
Q_OBJECT
public:
KviRijndaelBase64Engine() : KviRijndaelEngine() {};
virtual ~KviRijndaelBase64Engine(){};
protected:
virtual bool binaryToAscii(const char * inBuffer,int len,KviStr &outBuffer);
virtual bool asciiToBinary(const char * inBuffer,int * len,char ** outBuffer);
};
class KviRijndael128Base64Engine : public KviRijndaelBase64Engine
{
Q_OBJECT
public:
KviRijndael128Base64Engine() : KviRijndaelBase64Engine() {};
virtual ~KviRijndael128Base64Engine(){};
protected:
virtual int getKenLen(){ return 16; };
virtual Rijndael::KeyLength getKeyLenId(){ return Rijndael::Key16Bytes; };
};
class KviRijndael192Base64Engine : public KviRijndaelBase64Engine
{
Q_OBJECT
public:
KviRijndael192Base64Engine() : KviRijndaelBase64Engine() {};
virtual ~KviRijndael192Base64Engine(){};
protected:
virtual int getKenLen(){ return 24; };
virtual Rijndael::KeyLength getKeyLenId(){ return Rijndael::Key24Bytes; };
};
class KviRijndael256Base64Engine : public KviRijndaelBase64Engine
{
Q_OBJECT
public:
KviRijndael256Base64Engine() : KviRijndaelBase64Engine() {};
virtual ~KviRijndael256Base64Engine(){};
protected:
virtual int getKenLen(){ return 32; };
};
// Mircyption stuff
#define MCPS2_STARTTAG "\xABm\xAB"
#define MCPS2_ENDTAG "\xBBm\xBB"
class KviMircryptionEngine : public KviCryptEngine
{
Q_OBJECT
public:
KviMircryptionEngine();
~KviMircryptionEngine();
protected:
KviStr m_szEncryptKey;
bool m_bEncryptCBC;
KviStr m_szDecryptKey;
bool m_bDecryptCBC;
public:
virtual bool isCryptographicEngine(){ return false; }; // we need to return false since it doesn't use the TQt::CTRL+P escape
virtual bool init(const char *encKey,int encKeyLen,const char *decKey,int decKeyLen);
virtual KviCryptEngine::EncryptResult encrypt(const char * plainText,KviStr &outBuffer);
virtual KviCryptEngine::DecryptResult decrypt(const char * inBuffer,KviStr &plainText);
protected:
bool doDecryptECB(KviStr &encoded,KviStr &plain);
bool doDecryptCBC(KviStr &encoded,KviStr &plain);
bool doEncryptECB(KviStr &plain,KviStr &encoded);
bool doEncryptCBC(KviStr &plain,KviStr &encoded);
};
#endif // COMPILE_CRYPT_SUPPORT
#endif // _LIBKVIRIJNDAEL_H_
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