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authordes <des@FreeBSD.org>2006-11-10 16:39:21 +0000
committerdes <des@FreeBSD.org>2006-11-10 16:39:21 +0000
commitf591b3e29c677bff2b0f0d482490554c419128fd (patch)
tree209e642fbe2a816041f67bc27c9800879f5541bc /crypto/openssh/kexgexc.c
parente6cc400c8f011e212207834669aaf4b62bee951e (diff)
downloadFreeBSD-src-f591b3e29c677bff2b0f0d482490554c419128fd.zip
FreeBSD-src-f591b3e29c677bff2b0f0d482490554c419128fd.tar.gz
Vendor import of OpenSSH 4.5p1.
Diffstat (limited to 'crypto/openssh/kexgexc.c')
-rw-r--r--crypto/openssh/kexgexc.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/crypto/openssh/kexgexc.c b/crypto/openssh/kexgexc.c
index 2c19713..adb973d 100644
--- a/crypto/openssh/kexgexc.c
+++ b/crypto/openssh/kexgexc.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: kexgexc.c,v 1.9 2006/08/03 03:34:42 deraadt Exp $ */
+/* $OpenBSD: kexgexc.c,v 1.11 2006/11/06 21:25:28 markus Exp $ */
/*
* Copyright (c) 2000 Niels Provos. All rights reserved.
* Copyright (c) 2001 Markus Friedl. All rights reserved.
@@ -51,7 +51,8 @@ kexgex_client(Kex *kex)
BIGNUM *p = NULL, *g = NULL;
Key *server_host_key;
u_char *kbuf, *hash, *signature = NULL, *server_host_key_blob = NULL;
- u_int klen, kout, slen, sbloblen, hashlen;
+ u_int klen, slen, sbloblen, hashlen;
+ int kout;
int min, max, nbits;
DH *dh;
@@ -150,13 +151,15 @@ kexgex_client(Kex *kex)
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("kexgex_client: BN_new failed");
- BN_bin2bn(kbuf, kout, shared_secret);
+ if (BN_bin2bn(kbuf, kout, shared_secret) == NULL)
+ fatal("kexgex_client: BN_bin2bn failed");
memset(kbuf, 0, klen);
xfree(kbuf);
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