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/*
* cipher.h - Simple wrapper to 3DES,AES128/256 CBC ciphers
* Copyright (C) 2003 Justin Karneges
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifndef CS_CIPHER_H
#define CS_CIPHER_H
#include<qstring.h>
#include<qcstring.h>
namespace Cipher
{
enum Type { None, TripleDES, AES_128, AES_256 };
class Key
{
public:
Key() { v_type = None; }
bool isValid() const { return (v_type == None ? false: true); }
void setType(Type x) { v_type = x; }
Type type() const { return v_type; }
void setData(const QByteArray &d) { v_data = d; }
const QByteArray & data() const { return v_data; }
private:
Type v_type;
QByteArray v_data;
};
Key generateKey(Type);
QByteArray generateIV(Type);
int ivSize(Type);
QByteArray encrypt(const QByteArray &, const Key &, const QByteArray &iv, bool pad, bool *ok=0);
QByteArray decrypt(const QByteArray &, const Key &, const QByteArray &iv, bool pad, bool *ok=0);
}
class RSAKey
{
public:
RSAKey();
RSAKey(const RSAKey &);
RSAKey & operator=(const RSAKey &);
~RSAKey();
bool isNull() const;
void *data() const;
void setData(void *);
private:
class Private;
Private *d;
void free();
};
RSAKey generateRSAKey();
QByteArray encryptRSA(const QByteArray &buf, const RSAKey &key, bool *ok=0);
QByteArray decryptRSA(const QByteArray &buf, const RSAKey &key, bool *ok=0);
QByteArray encryptRSA2(const QByteArray &buf, const RSAKey &key, bool *ok=0);
QByteArray decryptRSA2(const QByteArray &buf, const RSAKey &key, bool *ok=0);
#endif
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