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Diffstat (limited to 'tdewallet/backend/blowfish.h')
-rw-r--r-- | tdewallet/backend/blowfish.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/tdewallet/backend/blowfish.h b/tdewallet/backend/blowfish.h new file mode 100644 index 000000000..581ac31c0 --- /dev/null +++ b/tdewallet/backend/blowfish.h @@ -0,0 +1,73 @@ +/* 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 + |