- miod@cvs.openbsd.org 2003/09/18 13:02:21

[openssh.git] / dh.c

diff --git a/dh.c b/dh.c
index 996428b7fc8632aa0ff656e5268677342429c666..c924efee0d1678e95a1918255f7dc326462e9902 100644 (file)
--- a/dh.c
+++ b/dh.c
@@ -23,7 +23,7 @@
  */
 
 #include "includes.h"
-RCSID("$OpenBSD: dh.c,v 1.24 2003/04/08 20:21:28 itojun Exp $");
+RCSID("$OpenBSD: dh.c,v 1.25 2003/09/18 13:02:21 miod Exp $");
 
 #include "xmalloc.h"
 
@@ -198,7 +198,7 @@ dh_gen_key(DH *dh, int need)
 
        if (dh->p == NULL)
                fatal("dh_gen_key: dh->p == NULL");
-       if (2*need >= BN_num_bits(dh->p))
+       if (need > INT_MAX / 2 || 2 * need >= BN_num_bits(dh->p))
                fatal("dh_gen_key: group too small: %d (2*need %d)",
                    BN_num_bits(dh->p), 2*need);
        do {