diff options
| author |   djm <djm@openbsd.org> | 2011-12-07 05:44:38 +0000 |
|---|---|---|
| committer | djm <djm@openbsd.org> | 2011-12-07 05:44:38 +0000 |
| commit | a17340500f63a285073739914f89217ba0e0a8c2 (patch) | |
| tree | 2b42924182d77bbdda15523aab7965eb8bd523ff /usr.bin/ssh/dh.c | |
| parent | Implement search support for 24 additional macros, extract more information (diff) | |
| download | wireguard-openbsd-a17340500f63a285073739914f89217ba0e0a8c2.tar.xz wireguard-openbsd-a17340500f63a285073739914f89217ba0e0a8c2.zip | |
fix some harmless and/or unreachable int overflows;
reported Xi Wang, ok markus@
Diffstat (limited to 'usr.bin/ssh/dh.c')
| -rw-r--r-- | usr.bin/ssh/dh.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/usr.bin/ssh/dh.c b/usr.bin/ssh/dh.c index 2f3bacd9ea3..91644d4dd10 100644 --- a/usr.bin/ssh/dh.c +++ b/usr.bin/ssh/dh.c @@ -1,4 +1,4 @@ -/* $OpenBSD: dh.c,v 1.48 2009/10/01 11:37:33 grunk Exp $ */ +/* $OpenBSD: dh.c,v 1.49 2011/12/07 05:44:38 djm Exp $ */ /* * Copyright (c) 2000 Niels Provos. All rights reserved. * @@ -233,6 +233,8 @@ dh_gen_key(DH *dh, int need) { int i, bits_set, tries = 0; + if (need < 0) + fatal("dh_gen_key: need < 0"); if (dh->p == NULL) fatal("dh_gen_key: dh->p == NULL"); if (need > INT_MAX / 2 || 2 * need >= BN_num_bits(dh->p)) |