X-Git-Url: https://git.distorted.org.uk/~mdw/become/blobdiff_plain/fe59d3d70fc7337b7a50c4fcff72d20967672157..f60a34341fee6aafd5b878dce23b80af7c60064d:/src/blowfish.h

diff --git a/src/blowfish.h b/src/blowfish.h
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-/* -*-c-*-
- *
- * $Id: blowfish.h,v 1.5 1998/01/12 16:45:45 mdw Exp $
- *
- * Blowfish encryption routines
- *
- * (c) 1998 Mark Wooding
- */
- 
-/*----- Licensing notice --------------------------------------------------*
- *
- * This file is part of `become'
- *
- * `Become' 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 option) any later version.
- *
- * `Become' 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 `become'; if not, write to the Free Software Foundation,
- * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- */
-
-/*----- Revision history --------------------------------------------------*
- *
- * $Log: blowfish.h,v $
- * Revision 1.5  1998/01/12 16:45:45  mdw
- * Fix copyright date.
- *
- * Revision 1.4  1997/09/26 09:14:57  mdw
- * Merged blowfish branch into trunk.
- *
- * Revision 1.3.2.1  1997/09/26 09:07:59  mdw
- * Use the Blowfish encryption algorithm instead of IDEA.  This is partly
- * because I prefer Blowfish (without any particularly strong evidence) but
- * mainly because IDEA is patented and Blowfish isn't.
- *
- * Revision 1.3  1997/08/07 09:43:20  mdw
- * Fix address of the FSF.
- *
- * Revision 1.2  1997/08/04 10:24:20  mdw
- * Sources placed under CVS control.
- *
- * Revision 1.1  1997/07/21  13:47:53  mdw
- * Initial revision
- *
- */
-
-#ifndef BLOWFISH_H
-#define BLOWFISH_H
-
-#ifdef __cplusplus
-  extern "C" {
-#endif
-
-/*----- Required headers --------------------------------------------------*/
-
-#ifndef CONFIG_H
-#  include "config.h"
-#endif
-
-/*----- Type definitions --------------------------------------------------*/
-
-/* --- A blowfish expanded key --- */
-
-typedef struct blowfish_key {
-  uint_32 p[18];
-  uint_32 s0[256];
-  uint_32 s1[256];
-  uint_32 s2[256];
-  uint_32 s3[256];
-} blowfish_key;
-
-/* --- Size of a blowfish block --- */
-
-#define BLOWFISH_BLKSIZE (8u)
-
-/*----- Functions provided ------------------------------------------------*/
-
-/* --- @blowfish_encrypt@ --- *
- *
- * Arguments:	@const blowfish_key *k@ = pointer to key block
- *		@const voic *from@ = block to encrypt from
- *		@void *to@ = block to encrypt to
- *
- * Returns:	---
- *
- * Use:		Encrypts a block using the Blowfish algorithm.
- */
-
-extern void blowfish_encrypt(const blowfish_key */*k*/,
-			     const void */*from*/, void */*to*/);
-
-
-/* --- @blowfish_decrypt@ --- *
- *
- * Arguments:	@const blowfish_key *k@ = pointer to key block
- *		@const void *from@ = block to decrypt from
- *		@void *to@ = block to decrypt to
- *
- * Returns:	---
- *
- * Use:		Decrypts a block using the Blowfish algorithm.
- */
-
-extern void blowfish_decrypt(const blowfish_key */*k*/,
-			     const void */*from*/, void */*to*/);
-
-/* --- @blowfish_setKey@ --- *
- *
- * Arguments:	@blowfish_key *kb@ = pointer to key block to fill
- *		@void *k@ = pointer to key data
- *		@size_t sz@ = length of data in bytes
- *
- * Returns:	---
- *
- * Use:		Expands a key which isn't represented as a number of whole
- *		words.  This is a nonstandard extension, although it can be
- *		used to support 40-bit keys, which some governments might
- *		find more palatable than 160-bit (or 448-bit!) keys.
- */
-
-extern void blowfish_setKey(blowfish_key */*kb*/,
-			    const void */*k*/, size_t /*sz*/);
-
-/*----- That's all, folks -------------------------------------------------*/
-
-#ifdef __cplusplus
-  }
-#endif
-
-#endif