===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/ssh/Attic/kexdhc.c,v
retrieving revision 1.9
retrieving revision 1.9.4.1
diff -u -r1.9 -r1.9.4.1
--- src/usr.bin/ssh/Attic/kexdhc.c	2006/08/03 03:34:42	1.9
+++ src/usr.bin/ssh/Attic/kexdhc.c	2006/11/08 00:42:10	1.9.4.1
@@ -1,4 +1,4 @@
-/* $OpenBSD: kexdhc.c,v 1.9 2006/08/03 03:34:42 deraadt Exp $ */
+/* $OpenBSD: kexdhc.c,v 1.9.4.1 2006/11/08 00:42:10 brad Exp $ */
 /*
  * Copyright (c) 2001 Markus Friedl.  All rights reserved.
  *
@@ -47,7 +47,8 @@
 	Key *server_host_key;
 	u_char *server_host_key_blob = NULL, *signature = NULL;
 	u_char *kbuf, *hash;
-	u_int klen, kout, slen, sbloblen, hashlen;
+	u_int klen, slen, sbloblen, hashlen;
+	int kout;
 
 	/* generate and send 'e', client DH public key */
 	switch (kex->kex_type) {
@@ -109,13 +110,15 @@
 
 	klen = DH_size(dh);
 	kbuf = xmalloc(klen);
-	kout = DH_compute_key(kbuf, dh_server_pub, dh);
+	if ((kout = DH_compute_key(kbuf, dh_server_pub, dh)) < 0)
+		fatal("DH_compute_key: failed");
 #ifdef DEBUG_KEXDH
 	dump_digest("shared secret", kbuf, kout);
 #endif
 	if ((shared_secret = BN_new()) == NULL)
 		fatal("kexdh_client: BN_new failed");
-	BN_bin2bn(kbuf, kout, shared_secret);
+	if (BN_bin2bn(kbuf, kout, shared_secret) == NULL)
+		fatal("kexdh_client: BN_bin2bn failed");
 	memset(kbuf, 0, klen);
 	xfree(kbuf);