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/crypto/telnet/libtelnet/pk.h,v 1.1.2.3 2002/04/13 10:59:07 markm Exp $
  30  * $DragonFly: src/crypto/telnet/libtelnet/pk.h,v 1.2 2003/06/17 04:24:37 dillon Exp $
  31  */
  32
  33 /* header for the des routines that we will use */
  34
  35 typedef unsigned char byte, DesData[ 8], IdeaData[16];
  36 #define DesKeys DES_key_schedule
  37
  38 #define DES_DECRYPT 0
  39 #define DES_ENCRYPT 1
  40
  41 /* public key routines */
  42 /* functions:
  43         genkeys(char *public, char *secret)
  44         common_key(char *secret, char *public, desData *deskey)
  45       where
  46         char public[HEXKEYBYTES + 1];
  47         char secret[HEXKEYBYTES + 1];
  48  */
  49
  50 #define HEXMODULUS "d4a0ba0250b6fd2ec626e7efd637df76c716e22d0944b88b"
  51 #define HEXKEYBYTES 48
  52 #define KEYSIZE 192
  53 #define KEYBYTES 24
  54 #define PROOT 3
  55
  56 extern void genkeys(char *public, char *secret);
  57 extern void common_key(char *secret, char *public, IdeaData *common,
  58   DesData *deskey);
  59 extern void pk_encode(char *in, char *out, DesData *deskey);
  60 extern void pk_decode(char *in, char *out, DesData *deskey);