2 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
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5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
10 /* @(#)des.h 2.2 88/08/10 4.0 RPCSRC; from 2.7 88/02/08 SMI */
12 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
13 * unrestricted use provided that this legend is included on all tape
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37 * Mountain View, California 94043
40 * Generic DES driver interface
41 * Keep this file hardware independent!
42 * Copyright (c) 1986 by Sun Microsystems, Inc.
45 #define DES_MAXLEN 65536 /* maximum # of bytes to encrypt */
46 #define DES_QUICKLEN 16 /* maximum # of bytes to encrypt quickly */
48 enum desdir { ENCRYPT, DECRYPT };
49 enum desmode { CBC, ECB };
52 * parameters to ioctl call
55 unsigned char des_key[8]; /* key (with low bit parity) */
56 enum desdir des_dir; /* direction */
57 enum desmode des_mode; /* mode */
58 unsigned char des_ivec[8]; /* input vector */
59 unsigned des_len; /* number of bytes to crypt */
61 unsigned char UDES_data[DES_QUICKLEN];
62 unsigned char *UDES_buf;
64 #define des_data UDES.UDES_data /* direct data here if quick */
65 #define des_buf UDES.UDES_buf /* otherwise, pointer to data */
69 * Encrypt an arbitrary sized buffer
71 #define DESIOCBLOCK _IOWR('d', 6, struct desparams)
74 * Encrypt of small amount of data, quickly
76 #define DESIOCQUICK _IOWR('d', 7, struct desparams)