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56 lines
2.1 KiB
C
56 lines
2.1 KiB
C
/* $FreeBSD$ */
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/* $KAME: cast128.h,v 1.7 2001/11/27 09:47:32 sakane Exp $ */
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/*
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* heavily modified by Tomomi Suzuki <suzuki@grelot.elec.ryukoku.ac.jp>
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*/
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/*
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* The CAST-128 Encryption Algorithm (RFC 2144)
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*
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* original implementation <Hideo "Sir MaNMOS" Morisita>
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* 1997/08/21
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*/
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/*
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* Copyright (C) 1997 Hideo "Sir MANMOS" Morishita
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY Hideo "Sir MaNMOS" Morishita ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL Hideo "Sir MaNMOS" Morishita BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef RFC2144_CAST_128_H
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#define RFC2144_CAST_128_H
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#include <sys/param.h>
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#define CAST128_ENCRYPT 1
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#define CAST128_DECRYPT 0
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extern void set_cast128_subkey(u_int32_t *, u_int8_t *, int);
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extern void cast128_encrypt_round16(u_int8_t *, const u_int8_t *, u_int32_t *);
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extern void cast128_decrypt_round16(u_int8_t *, const u_int8_t *, u_int32_t *);
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extern void cast128_encrypt_round12(u_int8_t *, const u_int8_t *, u_int32_t *);
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extern void cast128_decrypt_round12(u_int8_t *, const u_int8_t *, u_int32_t *);
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#endif
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