camellia-internal.h

/* camellia-internal.h

   The camellia block cipher.

   Copyright (C) 2006,2007 NTT
   (Nippon Telegraph and Telephone Corporation).

   Copyright (C) 2010 Niels Möller

   This file is part of GNU Nettle.

   GNU Nettle is free software: you can redistribute it and/or
   modify it under the terms of either:

     * the GNU Lesser General Public License as published by the Free
       Software Foundation; either version 3 of the License, or (at your
       option) any later version.

   or

     * 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.

   or both in parallel, as here.

   GNU Nettle 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 copies of the GNU General Public License and
   the GNU Lesser General Public License along with this program.  If
   not, see http://www.gnu.org/licenses/.
*/

/*
 * Algorithm Specification 
 *  http://info.isl.ntt.co.jp/crypt/eng/camellia/specifications.html
 */

/* Based on camellia.c ver 1.2.0, see
   http://info.isl.ntt.co.jp/crypt/eng/camellia/dl/camellia-LGPL-1.2.0.tar.gz.
 */

#ifndef NETTLE_CAMELLIA_INTERNAL_H_INCLUDED
#define NETTLE_CAMELLIA_INTERNAL_H_INCLUDED

#include "camellia.h"

/* Name mangling */
#define _camellia_crypt _nettle_camellia_crypt
#define _camellia_absorb _nettle_camellia_absorb
#define _camellia_invert_key _nettle_camellia_invert_key
#define _camellia_table _nettle_camellia_table

/*
 *  macros
 */

/* Destructive rotation of 128 bit values. */
#define ROTL128(bits, xl, xr) do {		\
    uint64_t __rol128_t = (xl);			     \
    (xl) = ((xl) << (bits)) | ((xr) >> (64 - (bits)));	   \
    (xr) = ((xr) << (bits)) | (__rol128_t >> (64 - (bits)));	\
  } while (0)

struct camellia_table
{
  uint32_t sp1110[256];