diff options
Diffstat (limited to 'crypto/openssh/kexdhs.c')
| -rw-r--r-- | crypto/openssh/kexdhs.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/crypto/openssh/kexdhs.c b/crypto/openssh/kexdhs.c index 93ec97f..8617088 100644 --- a/crypto/openssh/kexdhs.c +++ b/crypto/openssh/kexdhs.c @@ -1,4 +1,4 @@ -/* $OpenBSD: kexdhs.c,v 1.7 2006/08/03 03:34:42 deraadt Exp $ */ +/* $OpenBSD: kexdhs.c,v 1.9 2006/11/06 21:25:28 markus Exp $ */ /* * Copyright (c) 2001 Markus Friedl. All rights reserved. * @@ -52,8 +52,8 @@ kexdh_server(Kex *kex) DH *dh; Key *server_host_key; u_char *kbuf, *hash, *signature = NULL, *server_host_key_blob = NULL; - u_int sbloblen, klen, kout, hashlen; - u_int slen; + u_int sbloblen, klen, hashlen, slen; + int kout; /* generate server DH public key */ switch (kex->kex_type) { @@ -101,13 +101,15 @@ kexdh_server(Kex *kex) klen = DH_size(dh); kbuf = xmalloc(klen); - kout = DH_compute_key(kbuf, dh_client_pub, dh); + if ((kout = DH_compute_key(kbuf, dh_client_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_server: BN_new failed"); - BN_bin2bn(kbuf, kout, shared_secret); + if (BN_bin2bn(kbuf, kout, shared_secret) == NULL) + fatal("kexdh_server: BN_bin2bn failed"); memset(kbuf, 0, klen); xfree(kbuf); |
