1 /* @(#)des.h 2.2 88/08/10 4.0 RPCSRC; from 2.7 88/02/08 SMI */ 2 /*- 3 * SPDX-License-Identifier: BSD-3-Clause 4 * 5 * Copyright (c) 2009, Sun Microsystems, Inc. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions are met: 10 * - Redistributions of source code must retain the above copyright notice, 11 * this list of conditions and the following disclaimer. 12 * - Redistributions in binary form must reproduce the above copyright notice, 13 * this list of conditions and the following disclaimer in the documentation 14 * and/or other materials provided with the distribution. 15 * - Neither the name of Sun Microsystems, Inc. nor the names of its 16 * contributors may be used to endorse or promote products derived 17 * from this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 20 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 23 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 /* 32 * Generic DES driver interface 33 * Keep this file hardware independent! 34 * Copyright (c) 1986 by Sun Microsystems, Inc. 35 */ 36 37 #define DES_MAXLEN 65536 /* maximum # of bytes to encrypt */ 38 #define DES_QUICKLEN 16 /* maximum # of bytes to encrypt quickly */ 39 40 enum desdir { ENCRYPT, DECRYPT }; 41 enum desmode { CBC, ECB }; 42 43 /* 44 * parameters to ioctl call 45 */ 46 struct desparams { 47 u_char des_key[8]; /* key (with low bit parity) */ 48 enum desdir des_dir; /* direction */ 49 enum desmode des_mode; /* mode */ 50 u_char des_ivec[8]; /* input vector */ 51 unsigned des_len; /* number of bytes to crypt */ 52 union { 53 u_char UDES_data[DES_QUICKLEN]; 54 u_char *UDES_buf; 55 } UDES; 56 # define des_data UDES.UDES_data /* direct data here if quick */ 57 # define des_buf UDES.UDES_buf /* otherwise, pointer to data */ 58 }; 59 60 #ifdef notdef 61 62 /* 63 * These ioctls are only implemented in SunOS. Maybe someday 64 * if somebody writes a driver for DES hardware that works 65 * with FreeBSD, we can being that back. 66 */ 67 68 /* 69 * Encrypt an arbitrary sized buffer 70 */ 71 #define DESIOCBLOCK _IOWR('d', 6, struct desparams) 72 73 /* 74 * Encrypt of small amount of data, quickly 75 */ 76 #define DESIOCQUICK _IOWR('d', 7, struct desparams) 77 78 #endif 79 80 /* 81 * Software DES. 82 */ 83 extern int _des_crypt( char *, int, struct desparams * ); 84