diff options
| author | Damien Miller <djm@mindrot.org> | 2006-11-05 05:32:02 +1100 |
|---|---|---|
| committer | Damien Miller <djm@mindrot.org> | 2006-11-05 05:32:02 +1100 |
| commit | 570c2ab1b619ea36a06bfbf21d88a82683cc4213 (patch) | |
| tree | 7564b301ac020a29c41f456b7e47b6e252af5e9d /kexdhc.c | |
| parent | 3975ee2c3ce78af4f62ff8e9e5b636ef378b7f6b (diff) | |
- markus@cvs.openbsd.org 2006/10/31 16:33:12
[kexdhc.c kexdhs.c kexgexc.c kexgexs.c]
check DH_compute_key() for -1 even if it should not happen because of
earlier calls to dh_pub_is_valid(); report krahmer at suse.de; ok djm
Diffstat (limited to 'kexdhc.c')
| -rw-r--r-- | kexdhc.c | 8 |
1 files changed, 5 insertions, 3 deletions
@@ -1,4 +1,4 @@ -/* $OpenBSD: kexdhc.c,v 1.9 2006/08/03 03:34:42 deraadt Exp $ */ +/* $OpenBSD: kexdhc.c,v 1.10 2006/10/31 16:33:12 markus Exp $ */ /* * Copyright (c) 2001 Markus Friedl. All rights reserved. * @@ -50,7 +50,8 @@ kexdh_client(Kex *kex) 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) { @@ -112,7 +113,8 @@ kexdh_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 |