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