diff options
Diffstat (limited to 'crypto/openssh/kexdhc.c')
| -rw-r--r-- | crypto/openssh/kexdhc.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/crypto/openssh/kexdhc.c b/crypto/openssh/kexdhc.c index 64de7af..d384c80 100644 --- a/crypto/openssh/kexdhc.c +++ b/crypto/openssh/kexdhc.c @@ -1,4 +1,4 @@ -/* $OpenBSD: kexdhc.c,v 1.9 2006/08/03 03:34:42 deraadt Exp $ */ +/* $OpenBSD: kexdhc.c,v 1.11 2006/11/06 21:25:28 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) { @@ -112,13 +113,15 @@ 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 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); |
