/*      $OpenBSD: dhtest.c,v 1.2 2010/06/29 19:50:16 reyk Exp $ */
/*      $EOM: dhtest.c,v 1.1 1998/07/18 21:14:20 provos Exp $   */

/*
 * Copyright (c) 2010 Reyk Floeter <reyk@vantronix.net>
 * 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 <stdlib.h>
#include <string.h>
#include <stdio.h>

#include "dh.h"

int
main(void)
{
        int len, id;
        char buf[DH_MAXSZ], buf2[DH_MAXSZ];
        char sec[DH_MAXSZ], sec2[DH_MAXSZ];
        struct group *group, *group2;
        const char *name[] = { "MODP", "EC2N", "ECP" };

        group_init();

        for (id = 0; id < 0xff; id++) {
                if ((group = group_get(id)) == NULL ||
                    (group2 = group_get(id)) == NULL)
                        continue;

                printf ("Testing group %d (%s%d): ", id,
                    name[group->spec->type],
                    group->spec->bits);

                len = dh_getlen(group);

                dh_create_exchange(group, buf);
                dh_create_exchange(group2, buf2);

                dh_create_shared(group, sec, buf2);
                dh_create_shared(group2, sec2, buf);

                if (memcmp (sec, sec2, len)) {
                        printf("FAILED\n");
                        return (1);
                } else
                        printf("OKAY\n");

                group_free(group);
                group_free(group2);
        }

        return (0);
}