/* $OpenBSD: dhtest.c,v 1.5 2003/06/03 14:39:50 ho Exp $ */ /* $EOM: dhtest.c,v 1.1 1998/07/18 21:14:20 provos Exp $ */ /* * Copyright (c) 1998 Niels Provos. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /* * This code was written under funding by Ericsson Radio Systems. */ /* * This module does a Diffie-Hellman Exchange */ #include #include #include #include "math_group.h" #include "dh.h" #define DUMP_X(_x_) point = (_x_); b2n_print (point->x); int main (void) { int len; char buf[100], buf2[100]; char sec[100], sec2[100]; struct group *group, *group2; group_init (); group = group_get (4); group2 = group_get (4); printf ("Testing DH (elliptic curve): \n"); printf ("dh_getlen\n"); len = dh_getlen (group); printf ("dh_create_exchange\n"); dh_create_exchange (group, buf); dh_create_exchange (group2, buf2); printf ("dh_create_shared\n"); dh_create_shared (group, sec, buf2); dh_create_shared (group2, sec2, buf); printf ("Result: "); if (memcmp (sec, sec2, len)) printf ("FAILED "); else printf ("OKAY "); group_free (group); group_free (group2); printf ("\nTesting DH (MODP): \n"); group = group_get (1); group2 = group_get (1); printf ("dh_getlen\n"); len = dh_getlen (group); printf ("dh_create_exchange\n"); dh_create_exchange (group, buf); dh_create_exchange (group2, buf2); printf ("dh_create_shared\n"); dh_create_shared (group, sec, buf2); dh_create_shared (group2, sec2, buf); printf ("Result: "); if (memcmp (sec, sec2, len)) printf ("FAILED "); else printf ("OKAY "); printf ("\n"); return 1; }