usr/src/uts/common/rpc/des_crypt.h

   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 #pragma ident   "%Z%%M% %I%     %E% SMI"
  42
  43 #include <sys/types.h>
  44
  45 #ifdef __cplusplus
  46 extern "C" {
  47 #endif
  48
  49 #define DES_MAXDATA 8192        /* max bytes encrypted in one call */
  50 #define DES_DIRMASK (1 << 0)
  51 #define DES_ENCRYPT (0 * DES_DIRMASK)   /* Encrypt */
  52 #define DES_DECRYPT (1 * DES_DIRMASK)   /* Decrypt */
  53
  54
  55 #define DES_DEVMASK (1 << 1)
  56 #define DES_HW (0 * DES_DEVMASK)        /* Use hardware device */
  57 #define DES_SW (1 * DES_DEVMASK)        /* Use software device */
  58
  59
  60 #define DESERR_NONE 0           /* succeeded */
  61 #define DESERR_NOHWDEVICE 1     /* succeeded, but hw device not available */
  62 #define DESERR_HWERROR 2        /* failed, hardware/driver error */
  63 #define DESERR_BADPARAM 3       /* failed, bad parameter to call */
  64
  65 #define DES_FAILED(err) \
  66         ((err) > DESERR_NOHWDEVICE)
  67
  68 /*
  69  * cbc_crypt()
  70  * ecb_crypt()
  71  *
  72  * Encrypt (or decrypt) len bytes of a buffer buf.
  73  * The length must be a multiple of eight.
  74  * The key should have odd parity in the low bit of each byte.
  75  * ivec is the input vector, and is updated to the new one (cbc only).
  76  * The mode is created by oring together the appropriate parameters.
  77  * DESERR_NOHWDEVICE is returned if DES_HW was specified but
  78  * there was no hardware to do it on (the data will still be
  79  * encrypted though, in software).
  80  */
  81
  82
  83 /*
  84  * Cipher Block Chaining mode
  85  */
  86 #ifdef __STDC__
  87 int cbc_crypt(char *key, char *buf, size_t len, unsigned int mode, char *ivec);
  88 #else
  89 int cbc_crypt();
  90 #endif
  91
  92
  93 /*
  94  * Electronic Code Book mode
  95  */
  96 #ifdef __STDC__
  97 int ecb_crypt(char *key, char *buf, size_t len, unsigned int mode);
  98 #else
  99 int ecb_crypt();
 100 #endif
 101
 102
 103 #ifndef _KERNEL
 104 /*
 105  * Set des parity for a key.
 106  * DES parity is odd and in the low bit of each byte
 107  */
 108 #ifdef __STDC__
 109 void des_setparity(char *key);
 110 #else
 111 void des_setparity();
 112 #endif
 113 #endif  /* _KERNEL */
 114
 115 #ifdef __cplusplus
 116 }
 117 #endif
 118
 119 #endif  /* _DES_DES_CRYPT_H */