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 2000 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 28 /* All Rights Reserved */ 29 30 /* 31 * Portions of this source code were derived from Berkeley 4.3 BSD 32 * under license from the Regents of the University of California. 33 */ 34 35 #pragma ident "%Z%%M% %I% %E% SMI" 36 37 /* 38 * des_crypt.h, des library routine interface 39 */ 40 41 #define DES_MAXDATA 8192 /* max bytes encrypted in one call */ 42 #define DES_DIRMASK (1 << 0) 43 #define DES_ENCRYPT (0*DES_DIRMASK) /* Encrypt */ 44 #define DES_DECRYPT (1*DES_DIRMASK) /* Decrypt */ 45 46 47 #define DES_DEVMASK (1 << 1) 48 #define DES_HW (0*DES_DEVMASK) /* Use hardware device */ 49 #define DES_SW (1*DES_DEVMASK) /* Use software device */ 50 51 52 #define DESERR_NONE 0 /* succeeded */ 53 #define DESERR_NOHWDEVICE 1 /* succeeded, but hw device not available */ 54 #define DESERR_HWERROR 2 /* failed, hardware/driver error */ 55 #define DESERR_BADPARAM 3 /* failed, bad parameter to call */ 56 57 #define DES_FAILED(err) \ 58 ((err) > DESERR_NOHWDEVICE) 59 60 /* 61 * cbc_crypt() 62 * ecb_crypt() 63 * 64 * Encrypt (or decrypt) len bytes of a buffer buf. 65 * The length must be a multiple of eight. 66 * The key should have odd parity in the low bit of each byte. 67 * ivec is the input vector, and is updated to the new one (cbc only). 68 * The mode is created by oring together the appropriate parameters. 69 * DESERR_NOHWDEVICE is returned if DES_HW was specified but 70 * there was no hardware to do it on (the data will still be 71 * encrypted though, in software). 72 */ 73 74 75 /* 76 * Cipher Block Chaining mode 77 */ 78 int 79 cbc_crypt(/* key, buf, len, mode, ivec */); /* 80 char *key; 81 char *buf; 82 unsigned len; 83 unsigned mode; 84 char *ivec; 85 */ 86 87 88 /* 89 * Electronic Code Book mode 90 */ 91 int 92 ecb_crypt(/* key, buf, len, mode */); /* 93 char *key; 94 char *buf; 95 unsigned len; 96 unsigned mode; 97 */ 98 99 100 #ifndef KERNEL 101 /* 102 * Set des parity for a key. 103 * DES parity is odd and in the low bit of each byte 104 */ 105 void 106 des_setparity(/* key */); /* 107 char *key; 108 */ 109 #endif 110