X-Git-Url: https://git.distorted.org.uk/u/mdw/catacomb/blobdiff_plain/ba6e6b64033b1f9de49feccb5c9cd438354481f7..0f00dc4c8eb47e67bc0f148c2dd109f73a451e0a:/noekeon.h

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-/* -*-c-*-
- *
- * $Id: noekeon.h,v 1.2 2004/04/08 01:36:15 mdw Exp $
- *
- * The Noekeon block cipher
- *
- * (c) 2000 Straylight/Edgeware
- */
-
-/*----- Licensing notice --------------------------------------------------*
- *
- * This file is part of Catacomb.
- *
- * Catacomb 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.
- *
- * Catacomb 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 Catacomb; if not, write to the Free
- * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- * MA 02111-1307, USA.
- */
-
-/*----- Notes on the Noekeon block cipher --------------------------------*
- *
- * A Nessie entry, by Joan Daemen, Michael Peeters, Gilles Van Assche and
- * Vincent Rijmen, two of whom were the designers of the AES winner
- * Rijndael.  It's a simple cipher, based on Serpent-style bit-slicing.
- * Speed is about middle-of-the-road -- about as fast as SAFER, faster than
- * MARS.
- */
-
-#ifndef CATACOMB_NOEKEON_H
-#define CATACOMB_NOEKEON_H
-
-#ifdef __cplusplus
-  extern "C" {
-#endif
-
-/*----- Header files ------------------------------------------------------*/
-
-#include <stddef.h>
-
-#include <mLib/bits.h>
-
-/*----- Magical numbers ---------------------------------------------------*/
-
-#define NOEKEON_BLKSZ 16
-#define NOEKEON_KEYSZ 16
-#define NOEKEON_CLASS (N, B, 128)
-
-extern const octet noekeon_keysz[];
-
-/*----- Data structures ---------------------------------------------------*/
-
-typedef struct noekeon_ctx {
-  uint32 k[4];
-} noekeon_ctx;
-
-/*----- Functions provided ------------------------------------------------*/
-
-/* --- @noekeon_init@ --- *
- *
- * Arguments:	@noekeon_ctx *k@ = pointer to context to initialize
- *		@const void *buf@ = pointer to buffer of key material
- *		@size_t sz@ = size of the key material
- *
- * Returns:	---
- *
- * Use:		Initializes a Noekeon context with a particular key.  This
- *		uses indirect keying.  The key must be 128 bits long.
- */
-
-extern void noekeon_init(noekeon_ctx */*k*/,
-			 const void */*buf*/, size_t /*sz*/);
-
-/* --- @noekeon_eblk@, @noekeon_dblk@ --- *
- *
- * Arguments:	@const noekeon_ctx *k@ = pointer to Noekeon context
- *		@const uint32 s[4]@ = pointer to source block
- *		@uint32 d[4]@ = pointer to destination block
- *
- * Returns:	---
- *
- * Use:		Low-level block encryption and decryption.
- */
-
-extern void noekeon_eblk(const noekeon_ctx */*k*/,
-			 const uint32 */*s*/, uint32 */*dst*/);
-extern void noekeon_dblk(const noekeon_ctx */*k*/,
-			 const uint32 */*s*/, uint32 */*dst*/);
-
-/*----- That's all, folks -------------------------------------------------*/
-
-#ifdef __cplusplus
-  }
-#endif
-
-#endif