freebsd-dev/include/rpc/des.h

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/* @(#)des.h 2.2 88/08/10 4.0 RPCSRC; from 2.7 88/02/08 SMI */
/* $FreeBSD$ */
/*
* Sun RPC is a product of Sun Microsystems, Inc. and is provided for
* unrestricted use provided that this legend is included on all tape
* media and as a part of the software program in whole or part. Users
* may copy or modify Sun RPC without charge, but are not authorized
* to license or distribute it to anyone else except as part of a product or
* program developed by the user.
*
* SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
* WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
*
* Sun RPC is provided with no support and without any obligation on the
* part of Sun Microsystems, Inc. to assist in its use, correction,
* modification or enhancement.
*
* SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
* OR ANY PART THEREOF.
*
* In no event will Sun Microsystems, Inc. be liable for any lost revenue
* or profits or other special, indirect and consequential damages, even if
* Sun has been advised of the possibility of such damages.
*
* Sun Microsystems, Inc.
* 2550 Garcia Avenue
* Mountain View, California 94043
*/
/*
* Generic DES driver interface
* Keep this file hardware independent!
* Copyright (c) 1986 by Sun Microsystems, Inc.
*/
#define DES_MAXLEN 65536 /* maximum # of bytes to encrypt */
#define DES_QUICKLEN 16 /* maximum # of bytes to encrypt quickly */
enum desdir { ENCRYPT, DECRYPT };
enum desmode { CBC, ECB };
/*
* parameters to ioctl call
*/
struct desparams {
u_char des_key[8]; /* key (with low bit parity) */
enum desdir des_dir; /* direction */
enum desmode des_mode; /* mode */
u_char des_ivec[8]; /* input vector */
unsigned des_len; /* number of bytes to crypt */
union {
u_char UDES_data[DES_QUICKLEN];
u_char *UDES_buf;
} UDES;
# define des_data UDES.UDES_data /* direct data here if quick */
# define des_buf UDES.UDES_buf /* otherwise, pointer to data */
};
#ifdef notdef
/*
* These ioctls are only implemented in SunOS. Maybe someday
* if somebody writes a driver for DES hardware that works
* with FreeBSD, we can being that back.
*/
/*
* Encrypt an arbitrary sized buffer
*/
#define DESIOCBLOCK _IOWR('d', 6, struct desparams)
/*
* Encrypt of small amount of data, quickly
*/
#define DESIOCQUICK _IOWR('d', 7, struct desparams)
#endif
/*
* Software DES.
*/
extern int _des_crypt( char *, int, struct desparams * );