1 /* 2 * @(#)des_crypt.h 2.1 88/08/11 4.0 RPCSRC; from 1.4 88/02/08 (C) 1986 SMI 3 * $FreeBSD$ 4 * 5 * des_crypt.h, des library routine interface 6 * Copyright (C) 1986, Sun Microsystems, Inc. 7 */ 8 /*- 9 * SPDX-License-Identifier: BSD-3-Clause 10 * 11 * Copyright (c) 2009, Sun Microsystems, Inc. 12 * All rights reserved. 13 * 14 * Redistribution and use in source and binary forms, with or without 15 * modification, are permitted provided that the following conditions are met: 16 * - Redistributions of source code must retain the above copyright notice, 17 * this list of conditions and the following disclaimer. 18 * - Redistributions in binary form must reproduce the above copyright notice, 19 * this list of conditions and the following disclaimer in the documentation 20 * and/or other materials provided with the distribution. 21 * - Neither the name of Sun Microsystems, Inc. nor the names of its 22 * contributors may be used to endorse or promote products derived 23 * from this software without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 26 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 29 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35 * POSSIBILITY OF SUCH DAMAGE. 36 */ 37 /* 38 * Copyright (c) 1986 - 1991 by Sun Microsystems, Inc. 39 */ 40 41 /* 42 * des_crypt.h, des library routine interface 43 */ 44 45 #ifndef _DES_DES_CRYPT_H 46 #define _DES_DES_CRYPT_H 47 48 #include <sys/cdefs.h> 49 #include <rpc/rpc.h> 50 51 #define DES_MAXDATA 8192 /* max bytes encrypted in one call */ 52 #define DES_DIRMASK (1 << 0) 53 #define DES_ENCRYPT (0*DES_DIRMASK) /* Encrypt */ 54 #define DES_DECRYPT (1*DES_DIRMASK) /* Decrypt */ 55 56 57 #define DES_DEVMASK (1 << 1) 58 #define DES_HW (0*DES_DEVMASK) /* Use hardware device */ 59 #define DES_SW (1*DES_DEVMASK) /* Use software device */ 60 61 62 #define DESERR_NONE 0 /* succeeded */ 63 #define DESERR_NOHWDEVICE 1 /* succeeded, but hw device not available */ 64 #define DESERR_HWERROR 2 /* failed, hardware/driver error */ 65 #define DESERR_BADPARAM 3 /* failed, bad parameter to call */ 66 67 #define DES_FAILED(err) \ 68 ((err) > DESERR_NOHWDEVICE) 69 70 /* 71 * cbc_crypt() 72 * ecb_crypt() 73 * 74 * Encrypt (or decrypt) len bytes of a buffer buf. 75 * The length must be a multiple of eight. 76 * The key should have odd parity in the low bit of each byte. 77 * ivec is the input vector, and is updated to the new one (cbc only). 78 * The mode is created by oring together the appropriate parameters. 79 * DESERR_NOHWDEVICE is returned if DES_HW was specified but 80 * there was no hardware to do it on (the data will still be 81 * encrypted though, in software). 82 */ 83 84 85 /* 86 * Cipher Block Chaining mode 87 */ 88 __BEGIN_DECLS 89 int cbc_crypt( char *, char *, unsigned int, unsigned int, char *); 90 __END_DECLS 91 92 /* 93 * Electronic Code Book mode 94 */ 95 __BEGIN_DECLS 96 int ecb_crypt( char *, char *, unsigned int, unsigned int ); 97 __END_DECLS 98 99 /* 100 * Set des parity for a key. 101 * DES parity is odd and in the low bit of each byte 102 */ 103 __BEGIN_DECLS 104 void des_setparity( char *); 105 __END_DECLS 106 107 #endif /* _DES_DES_CRYPT_H */ 108