a4a357a18b
* /harbour/* -> /*
* moved whole Harbour source tree one level up to
avoid single 'harbour' top dir
87 lines
3.2 KiB
C
87 lines
3.2 KiB
C
/*
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* $Id$
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*/
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/*
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* Harbour Project source code:
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* This code implements BlowFish algorithm designed by Bruce Schneier.
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* The description of BlowFish algorithm can be found at:
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* http://www.schneier.com/paper-blowfish-fse.html
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* This code uses for initial s-boxes and p-array values PI hex digits
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* taken from tables public at:
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* http://www.schneier.com/blowfish.html
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* which can be downloaded from:
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* http://www.schneier.com/code/constants.txt
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*
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* Copyright 2009 Przemyslaw Czerpak <druzus / at / priv.onet.pl>
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* www - http://harbour-project.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this software; see the file COPYING.txt. If not, write to
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* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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* Boston, MA 02111-1307 USA (or visit the web site http://www.gnu.org/).
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*
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* As a special exception, the Harbour Project gives permission for
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* additional uses of the text contained in its release of Harbour.
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*
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* The exception is that, if you link the Harbour libraries with other
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* files to produce an executable, this does not by itself cause the
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* resulting executable to be covered by the GNU General Public License.
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* Your use of that executable is in no way restricted on account of
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* linking the Harbour library code into it.
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*
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* This exception does not however invalidate any other reasons why
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* the executable file might be covered by the GNU General Public License.
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*
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* This exception applies only to the code released by the Harbour
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* Project under the name Harbour. If you copy code from other
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* Harbour Project or Free Software Foundation releases into a copy of
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* Harbour, as the General Public License permits, the exception does
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* not apply to the code that you add in this way. To avoid misleading
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* anyone as to the status of such modified files, you must delete
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* this exception notice from them.
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*
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* If you write modifications of your own for Harbour, it is your choice
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* whether to permit this exception to apply to your modifications.
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* If you do not wish that, delete this exception notice.
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*
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*/
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#ifndef HB_BLOWFISH_H_
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#define HB_BLOWFISH_H_
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#include "hbdefs.h"
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HB_EXTERN_BEGIN
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#define SUBKEYS_COUNT 18
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#define SBOX_ENTRIES 256
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typedef struct
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{
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HB_U32 P[ SUBKEYS_COUNT ];
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HB_U32 S1[ SBOX_ENTRIES ];
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HB_U32 S2[ SBOX_ENTRIES ];
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HB_U32 S3[ SBOX_ENTRIES ];
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HB_U32 S4[ SBOX_ENTRIES ];
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}
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HB_BLOWFISH;
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extern HB_EXPORT void hb_blowfishInit( HB_BLOWFISH * bf, const void * keydata, int keylen );
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extern HB_EXPORT void hb_blowfishEncrypt( const HB_BLOWFISH * bf, HB_U32 * xl, HB_U32 * xr );
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extern HB_EXPORT void hb_blowfishDecrypt( const HB_BLOWFISH * bf, HB_U32 * xl, HB_U32 * xr );
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HB_EXTERN_END
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#endif /* HB_BLOWFISH_H_ */
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