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+/* This file is part of the KDE project
+ Copyright (C) 2001 George Staikos <[email protected]>
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public
+ License as published by the Free Software Foundation; either
+ version 2 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public License
+ along with this library; see the file COPYING.LIB. If not, write to
+ the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
+*/
+
+#ifndef _BLOWFISH_H
+#define _BLOWFISH_H
+
+#include <config.h>
+
+#ifdef HAVE_STDINT_H
+#include <stdint.h>
+#endif
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#ifdef HAVE_SYS_BITYPES_H
+#include <sys/bitypes.h> /* For uintXX_t on Tru64 */
+#endif
+
+#include "blockcipher.h"
+
+
+/* @internal
+ */
+class BlowFish : public BlockCipher {
+ public:
+ BlowFish();
+ virtual ~BlowFish();
+
+ virtual bool setKey(void *key, int bitlength);
+
+ virtual int keyLen() const;
+
+ virtual bool variableKeyLen() const;
+
+ virtual bool readyToGo() const;
+
+ virtual int encrypt(void *block, int len);
+
+ virtual int decrypt(void *block, int len);
+
+ private:
+ uint32_t _S[4][256];
+ uint32_t _P[18];
+
+ void *_key;
+ int _keylen; // in bits
+
+ bool _init;
+
+ bool init();
+ uint32_t F(uint32_t x);
+ void encipher(uint32_t *xl, uint32_t *xr);
+ void decipher(uint32_t *xl, uint32_t *xr);
+};
+
+#endif
+