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