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+/* @(#)des.h 2.2 88/08/10 4.0 RPCSRC; from 2.7 88/02/08 SMI */
+/*
+ * 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.
+ */
+
+#ifndef _DES_H
+#define _DES_H
+
+#include <sys/types.h>
+
+#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 */
+ };
+
+/*
+ * 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