/* @(#)des.h 2.2 88/08/10 4.0 RPCSRC; from 2.7 88/02/08 SMI */

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/* $FreeBSD: src/include/rpc/des.h,v 1.4 2002/03/23 17:24:55 imp Exp $ */

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/*

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* Copyright (c) 2009, Sun Microsystems, Inc.

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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 are met:

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* - Redistributions of source code must retain the above copyright notice,

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* this list of conditions and the following disclaimer.

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* - Redistributions in binary form must reproduce the above copyright notice,

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* this list of conditions and the following disclaimer in the documentation

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* and/or other materials provided with the distribution.

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* - Neither the name of Sun Microsystems, Inc. nor the names of its

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* contributors may be used to endorse or promote products derived

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* from this software without specific prior written permission.

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*

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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

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* AND 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 THE COPYRIGHT HOLDER OR CONTRIBUTORS BE

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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR

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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF

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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS

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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN

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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

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* POSSIBILITY OF SUCH DAMAGE.

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*/

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/*

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* Generic DES driver interface

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* Keep this file hardware independent!

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* Copyright (c) 1986 by Sun Microsystems, Inc.

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*/

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#ifndef _RPC_DES_H_

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#define _RPC_DES_H_

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#define DES_MAXLEN 65536 /* maximum # of bytes to encrypt */

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#define DES_QUICKLEN 16 /* maximum # of bytes to encrypt quickly */

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enum desdir { ENCRYPT, DECRYPT };

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enum desmode { CBC, ECB };

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/*

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* parameters to ioctl call

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*/

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struct desparams {

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u_char des_key[8]; /* key (with low bit parity) */

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enum desdir des_dir; /* direction */

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enum desmode des_mode; /* mode */

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u_char des_ivec[8]; /* input vector */

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unsigned des_len; /* number of bytes to crypt */

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union {

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u_char UDES_data[DES_QUICKLEN];

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u_char *UDES_buf;

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} UDES;

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# define des_data UDES.UDES_data /* direct data here if quick */

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# define des_buf UDES.UDES_buf /* otherwise, pointer to data */

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};

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#ifdef notdef

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/*

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* These ioctls are only implemented in SunOS. Maybe someday

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* if somebody writes a driver for DES hardware that works

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* with FreeBSD, we can being that back.

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*/

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/*

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* Encrypt an arbitrary sized buffer

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*/

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#define DESIOCBLOCK _IOWR('d', 6, struct desparams)

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/*

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* Encrypt of small amount of data, quickly

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*/

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#define DESIOCQUICK _IOWR('d', 7, struct desparams)

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#endif

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/*

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* Software DES.

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*/

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extern int _des_crypt( char *, unsigned, struct desparams * );

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#endif

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