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-rw-r--r--dh.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/dh.c b/dh.c
index b9029d867..d943ca1e1 100644
--- a/dh.c
+++ b/dh.c
@@ -1,4 +1,4 @@
1/* $OpenBSD: dh.c,v 1.48 2009/10/01 11:37:33 grunk Exp $ */ 1/* $OpenBSD: dh.c,v 1.49 2011/12/07 05:44:38 djm Exp $ */
2/* 2/*
3 * Copyright (c) 2000 Niels Provos. All rights reserved. 3 * Copyright (c) 2000 Niels Provos. All rights reserved.
4 * 4 *
@@ -236,6 +236,8 @@ dh_gen_key(DH *dh, int need)
236{ 236{
237 int i, bits_set, tries = 0; 237 int i, bits_set, tries = 0;
238 238
239 if (need < 0)
240 fatal("dh_gen_key: need < 0");
239 if (dh->p == NULL) 241 if (dh->p == NULL)
240 fatal("dh_gen_key: dh->p == NULL"); 242 fatal("dh_gen_key: dh->p == NULL");
241 if (need > INT_MAX / 2 || 2 * need >= BN_num_bits(dh->p)) 243 if (need > INT_MAX / 2 || 2 * need >= BN_num_bits(dh->p))