include/rpc/des_crypt.h

   1 /*
   2  * @(#)des_crypt.h      2.1 88/08/11 4.0 RPCSRC;        from 1.4 88/02/08 (C) 1986 SMI
   3  * $FreeBSD: src/include/rpc/des_crypt.h,v 1.4 2002/03/23 17:24:55 imp Exp $
   4  *
   5  * des_crypt.h, des library routine interface
   6  * Copyright (C) 1986, Sun Microsystems, Inc.
   7  */
   8 /*-
   9  * Copyright (c) 2009, Sun Microsystems, Inc.
  10  * All rights reserved.
  11  *
  12  * Redistribution and use in source and binary forms, with or without
  13  * modification, are permitted provided that the following conditions are met:
  14  * - Redistributions of source code must retain the above copyright notice,
  15  *   this list of conditions and the following disclaimer.
  16  * - Redistributions in binary form must reproduce the above copyright notice,
  17  *   this list of conditions and the following disclaimer in the documentation
  18  *   and/or other materials provided with the distribution.
  19  * - Neither the name of Sun Microsystems, Inc. nor the names of its
  20  *   contributors may be used to endorse or promote products derived
  21  *   from this software without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  24  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
  27  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  28  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  29  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  30  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  31  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  32  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  33  * POSSIBILITY OF SUCH DAMAGE.
  34  */
  35 /*
  36  * Copyright (c) 1986 - 1991 by Sun Microsystems, Inc.
  37  */
  38
  39 /*
  40  * des_crypt.h, des library routine interface
  41  */
  42
  43 #ifndef _DES_DES_CRYPT_H
  44 #define _DES_DES_CRYPT_H
  45
  46 #include <sys/cdefs.h>
  47 #include <rpc/rpc.h>
  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 __BEGIN_DECLS
  87 int cbc_crypt( char *, char *, unsigned int, unsigned int, char *);
  88 __END_DECLS
  89
  90 /*
  91  * Electronic Code Book mode
  92  */
  93 __BEGIN_DECLS
  94 int ecb_crypt( char *, char *, unsigned int, unsigned int );
  95 __END_DECLS
  96
  97 /*
  98  * Set des parity for a key.
  99  * DES parity is odd and in the low bit of each byte
 100  */
 101 __BEGIN_DECLS
 102 void des_setparity( char *);
 103 __END_DECLS
 104
 105 #endif  /* _DES_DES_CRYPT_H */