From 448503722a8c8934d8520302b7551e95de730b06 Mon Sep 17 00:00:00 2001 From: des Date: Wed, 22 Mar 2006 19:46:12 +0000 Subject: Vendor import of OpenSSH 4.3p1. --- crypto/openssh/kexdhc.c | 15 ++++++++------- 1 file changed, 8 insertions(+), 7 deletions(-) (limited to 'crypto/openssh/kexdhc.c') diff --git a/crypto/openssh/kexdhc.c b/crypto/openssh/kexdhc.c index f48bd46..d8a2fa3 100644 --- a/crypto/openssh/kexdhc.c +++ b/crypto/openssh/kexdhc.c @@ -23,7 +23,7 @@ */ #include "includes.h" -RCSID("$OpenBSD: kexdhc.c,v 1.2 2004/06/13 12:53:24 djm Exp $"); +RCSID("$OpenBSD: kexdhc.c,v 1.3 2005/11/04 05:15:59 djm Exp $"); #include "xmalloc.h" #include "key.h" @@ -41,7 +41,7 @@ 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; + u_int klen, kout, slen, sbloblen, hashlen; /* generate and send 'e', client DH public key */ switch (kex->kex_type) { @@ -114,7 +114,7 @@ kexdh_client(Kex *kex) xfree(kbuf); /* calc and verify H */ - hash = kex_dh_hash( + kex_dh_hash( kex->client_version_string, kex->server_version_string, buffer_ptr(&kex->my), buffer_len(&kex->my), @@ -122,25 +122,26 @@ kexdh_client(Kex *kex) server_host_key_blob, sbloblen, dh->pub_key, dh_server_pub, - shared_secret + shared_secret, + &hash, &hashlen ); xfree(server_host_key_blob); BN_clear_free(dh_server_pub); DH_free(dh); - if (key_verify(server_host_key, signature, slen, hash, 20) != 1) + if (key_verify(server_host_key, signature, slen, hash, hashlen) != 1) fatal("key_verify failed for server_host_key"); key_free(server_host_key); xfree(signature); /* save session id */ if (kex->session_id == NULL) { - kex->session_id_len = 20; + kex->session_id_len = hashlen; kex->session_id = xmalloc(kex->session_id_len); memcpy(kex->session_id, hash, kex->session_id_len); } - kex_derive_keys(kex, hash, shared_secret); + kex_derive_keys(kex, hash, hashlen, shared_secret); BN_clear_free(shared_secret); kex_finish(kex); } -- cgit v1.1