/* $FreeBSD: src/sys/crypto/cast128/cast128_subkey.h,v 1.1.2.1 2000/07/15 07:14:21 kris Exp $ */ /* $KAME: cast128_subkey.h,v 1.3 2000/03/27 04:36:30 sumikawa Exp $ */ /* * 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. */ #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