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/*
* heavily modified by Tomomi Suzuki <suzuki@grelot.elec.ryukoku.ac.jp>
*/
/*
* The CAST-128 Encryption Algorithm (RFC 2144)
*
* original implementation <Hideo "Sir MaNMOS" Morisita>
* 1997/08/21
*/
/*
* Copyright (C) 1997 Hideo "Sir MANMOS" Morishita
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY Hideo "Sir MaNMOS" Morishita ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL Hideo "Sir MaNMOS" Morishita BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef RFC2144_CAST_128_SUBKEY_H
#define RFC2144_CAST_128_SUBKEY_H
#define x0x1x2x3 buf[0]
#define x4x5x6x7 buf[1]
#define x8x9xAxB buf[2]
#define xCxDxExF buf[3]
#define z0z1z2z3 buf[4]
#define z4z5z6z7 buf[5]
#define z8z9zAzB buf[6]
#define zCzDzEzF buf[7]
#define byte0(x) (((x) >> 24))
#define byte1(x) (((x) >> 16) & 0xff)
#define byte2(x) (((x) >> 8) & 0xff)
#define byte3(x) (((x)) & 0xff)
#define x0 byte0(buf[0])
#define x1 byte1(buf[0])
#define x2 byte2(buf[0])
#define x3 byte3(buf[0])
#define x4 byte0(buf[1])
#define x5 byte1(buf[1])
#define x6 byte2(buf[1])
#define x7 byte3(buf[1])
#define x8 byte0(buf[2])
#define x9 byte1(buf[2])
#define xA byte2(buf[2])
#define xB byte3(buf[2])
#define xC byte0(buf[3])
#define xD byte1(buf[3])
#define xE byte2(buf[3])
#define xF byte3(buf[3])
#define z0 byte0(buf[4])
#define z1 byte1(buf[4])
#define z2 byte2(buf[4])
#define z3 byte3(buf[4])
#define z4 byte0(buf[5])
#define z5 byte1(buf[5])
#define z6 byte2(buf[5])
#define z7 byte3(buf[5])
#define z8 byte0(buf[6])
#define z9 byte1(buf[6])
#define zA byte2(buf[6])
#define zB byte3(buf[6])
#define zC byte0(buf[7])
#define zD byte1(buf[7])
#define zE byte2(buf[7])
#define zF byte3(buf[7])
#define circular_leftshift(x, y) ( ((x) << (y)) | ((x) >> (32-(y))) )
#endif
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