1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */ 27 /* All Rights Reserved */ 28 /* 29 * Portions of this source code were derived from Berkeley 30 * 4.3 BSD under license from the Regents of the University of 31 * California. 32 */ 33 34 /* 35 * des_crypt.h, des library routine interface 36 */ 37 38 #ifndef _DES_DES_CRYPT_H 39 #define _DES_DES_CRYPT_H 40 41 #include <sys/types.h> 42 43 #ifdef __cplusplus 44 extern "C" { 45 #endif 46 47 #define DES_MAXDATA 8192 /* max bytes encrypted in one call */ 48 #define DES_DIRMASK (1 << 0) 49 #define DES_ENCRYPT (0 * DES_DIRMASK) /* Encrypt */ 50 #define DES_DECRYPT (1 * DES_DIRMASK) /* Decrypt */ 51 52 53 #define DES_DEVMASK (1 << 1) 54 #define DES_HW (0 * DES_DEVMASK) /* Use hardware device */ 55 #define DES_SW (1 * DES_DEVMASK) /* Use software device */ 56 57 58 #define DESERR_NONE 0 /* succeeded */ 59 #define DESERR_NOHWDEVICE 1 /* succeeded, but hw device not available */ 60 #define DESERR_HWERROR 2 /* failed, hardware/driver error */ 61 #define DESERR_BADPARAM 3 /* failed, bad parameter to call */ 62 63 #define DES_FAILED(err) \ 64 ((err) > DESERR_NOHWDEVICE) 65 66 /* 67 * cbc_crypt() 68 * ecb_crypt() 69 * 70 * Encrypt (or decrypt) len bytes of a buffer buf. 71 * The length must be a multiple of eight. 72 * The key should have odd parity in the low bit of each byte. 73 * ivec is the input vector, and is updated to the new one (cbc only). 74 * The mode is created by oring together the appropriate parameters. 75 * DESERR_NOHWDEVICE is returned if DES_HW was specified but 76 * there was no hardware to do it on (the data will still be 77 * encrypted though, in software). 78 */ 79 80 81 /* 82 * Cipher Block Chaining mode 83 */ 84 #ifdef __STDC__ 85 int cbc_crypt(char *key, char *buf, size_t len, unsigned int mode, char *ivec); 86 #else 87 int cbc_crypt(); 88 #endif 89 90 91 /* 92 * Electronic Code Book mode 93 */ 94 #ifdef __STDC__ 95 int ecb_crypt(char *key, char *buf, size_t len, unsigned int mode); 96 #else 97 int ecb_crypt(); 98 #endif 99 100 101 #ifndef _KERNEL 102 /* 103 * Set des parity for a key. 104 * DES parity is odd and in the low bit of each byte 105 */ 106 #ifdef __STDC__ 107 void des_setparity(char *key); 108 #else 109 void des_setparity(); 110 #endif 111 #endif /* _KERNEL */ 112 113 #ifdef __cplusplus 114 } 115 #endif 116 117 #endif /* _DES_DES_CRYPT_H */ 118