diff options
Diffstat (limited to 'keyexchange/isakmpd-20041012/dh.c')
| -rw-r--r-- | keyexchange/isakmpd-20041012/dh.c | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/keyexchange/isakmpd-20041012/dh.c b/keyexchange/isakmpd-20041012/dh.c deleted file mode 100644 index afb41ba..0000000 --- a/keyexchange/isakmpd-20041012/dh.c +++ /dev/null @@ -1,82 +0,0 @@ -/* $OpenBSD: dh.c,v 1.9 2004/04/15 18:39:25 deraadt Exp $ */ -/* $EOM: dh.c,v 1.5 1999/04/17 23:20:22 niklas Exp $ */ - -/* - * Copyright (c) 1998 Niels Provos. All rights reserved. - * Copyright (c) 1999 Niklas Hallqvist. 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. - */ - -#include <sys/param.h> - -#include "sysdep.h" - -#include "math_group.h" -#include "dh.h" -#include "log.h" - -/* - * Returns the length of our exchange value. - */ - -int -dh_getlen(struct group *group) -{ - return group->getlen(group); -} - -/* - * Creates the exchange value we are offering to the other party. - * Each time this function is called a new value is created, that - * means the application has to save the exchange value itself, - * dh_create_exchange should only be called once. - */ -int -dh_create_exchange(struct group *group, u_int8_t *buf) -{ - if (group->setrandom(group, group->c)) - return -1; - if (group->operation(group, group->a, group->gen, group->c)) - return -1; - group->getraw(group, group->a, buf); - return 0; -} - -/* - * Creates the Diffie-Hellman shared secret in 'secret', where 'exchange' - * is the exchange value offered by the other party. No length verification - * is done for the value, the application has to do that. - */ -int -dh_create_shared(struct group *group, u_int8_t *secret, u_int8_t *exchange) -{ - if (group->setraw(group, group->b, exchange, group->getlen(group))) - return -1; - if (group->operation(group, group->a, group->b, group->c)) - return -1; - group->getraw(group, group->a, secret); - return 0; -} |