diff options
| author | Damien Miller <djm@cvs.openbsd.org> | 2006-05-04 14:37:52 +0000 |
|---|---|---|
| committer | Damien Miller <djm@cvs.openbsd.org> | 2006-05-04 14:37:52 +0000 |
| commit | 934fda8adaf04a4b4fc4f0efd441b9b5d3efb659 (patch) | |
| tree | d6839409979ab65488a7549f3575369926887472 /sbin/isakmpd/dh.c | |
| parent | 04ffe450ccdc05851f8a95806c9e4678e65266c5 (diff) | |
check for degenerate Diffie-Hellman public exponents;
ok markus@ hshoexer@ deraadt@
Diffstat (limited to 'sbin/isakmpd/dh.c')
| -rw-r--r-- | sbin/isakmpd/dh.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/sbin/isakmpd/dh.c b/sbin/isakmpd/dh.c index 46519b905aa..9a8ff6bff2c 100644 --- a/sbin/isakmpd/dh.c +++ b/sbin/isakmpd/dh.c @@ -1,4 +1,4 @@ -/* $OpenBSD: dh.c,v 1.10 2005/04/08 22:32:09 cloder Exp $ */ +/* $OpenBSD: dh.c,v 1.11 2006/05/04 14:37:51 djm Exp $ */ /* $EOM: dh.c,v 1.5 1999/04/17 23:20:22 niklas Exp $ */ /* @@ -59,6 +59,8 @@ dh_create_exchange(struct group *group, u_int8_t *buf) return -1; if (group->operation(group, group->a, group->gen, group->c)) return -1; + if (group->validate_public(group, group->a)) + return -1; group->getraw(group, group->a, buf); return 0; } @@ -75,6 +77,8 @@ dh_create_shared(struct group *group, u_int8_t *secret, u_int8_t *exchange) return -1; if (group->operation(group, group->a, group->b, group->c)) return -1; + if (group->validate_public(group, group->a)) + return -1; group->getraw(group, group->a, secret); return 0; } |