lib/libtelnet/pk.h

   1 /*-
   2  * Copyright (c) 1991, 1993
   3  *      Dave Safford.  All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. Neither the name of the University nor the names of its contributors
  14  *    may be used to endorse or promote products derived from this software
  15  *    without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  *
  29  * $FreeBSD: src/contrib/telnet/libtelnet/pk.h,v 1.6 2001/11/30 21:06:34 markm Exp $
  30  */
  31
  32 /* header for the des routines that we will use */
  33
  34 typedef unsigned char byte, DesData[ 8], IdeaData[16];
  35 #define DesKeys des_key_schedule
  36
  37 #define DES_DECRYPT 0
  38 #define DES_ENCRYPT 1
  39
  40 /* public key routines */
  41 /* functions:
  42         genkeys(char *public, char *secret)
  43         common_key(char *secret, char *public, desData *deskey)
  44       where
  45         char public[HEXKEYBYTES + 1];
  46         char secret[HEXKEYBYTES + 1];
  47  */
  48
  49 #define HEXMODULUS "d4a0ba0250b6fd2ec626e7efd637df76c716e22d0944b88b"
  50 #define HEXKEYBYTES 48
  51 #define KEYSIZE 192
  52 #define KEYBYTES 24
  53 #define PROOT 3
  54
  55 extern void genkeys(char *public, char *secret);
  56 extern void common_key(char *secret, char *public, IdeaData *common,
  57   DesData *deskey);
  58 extern void pk_encode(const char *in, char *out, DesData *deskey);
  59 extern void pk_decode(const char *in, char *out, DesData *deskey);