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/* @(#)des.h 2.2 88/08/10 4.0 RPCSRC; from 2.7 88/02/08 SMI */
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/*
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* Sun RPC is a product of Sun Microsystems, Inc. and is provided for
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* unrestricted use provided that this legend is included on all tape
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* media and as a part of the software program in whole or part. Users
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* may copy or modify Sun RPC without charge, but are not authorized
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* to license or distribute it to anyone else except as part of a product or
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* program developed by the user.
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*
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* SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
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* WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
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*
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* Sun RPC is provided with no support and without any obligation on the
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* part of Sun Microsystems, Inc. to assist in its use, correction,
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* modification or enhancement.
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*
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* SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
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* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
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* OR ANY PART THEREOF.
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*
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* In no event will Sun Microsystems, Inc. be liable for any lost revenue
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* or profits or other special, indirect and consequential damages, even if
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* Sun has been advised of the possibility of such damages.
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*
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* Sun Microsystems, Inc.
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* 2550 Garcia Avenue
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* Mountain View, California 94043
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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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#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 __P(( char *, int, struct desparams * ));
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