diff options
author | des <des@FreeBSD.org> | 2008-07-22 17:13:05 +0000 |
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committer | des <des@FreeBSD.org> | 2008-07-22 17:13:05 +0000 |
commit | 624d93001f28e236c027516d88282351eb7bffbe (patch) | |
tree | 4b825dc642cb6eb9a060e54bf8d69288fbee4904 /crypto/openssh/kexdh.c | |
parent | f591b3e29c677bff2b0f0d482490554c419128fd (diff) | |
download | FreeBSD-src-624d93001f28e236c027516d88282351eb7bffbe.zip FreeBSD-src-624d93001f28e236c027516d88282351eb7bffbe.tar.gz |
Flatten the OpenSSH vendor tree for 3.x and newer.
Diffstat (limited to 'crypto/openssh/kexdh.c')
-rw-r--r-- | crypto/openssh/kexdh.c | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/crypto/openssh/kexdh.c b/crypto/openssh/kexdh.c deleted file mode 100644 index 56e22f5..0000000 --- a/crypto/openssh/kexdh.c +++ /dev/null @@ -1,88 +0,0 @@ -/* $OpenBSD: kexdh.c,v 1.23 2006/08/03 03:34:42 deraadt Exp $ */ -/* - * Copyright (c) 2001 Markus Friedl. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include "includes.h" - -#include <sys/types.h> - -#include <signal.h> - -#include <openssl/evp.h> - -#include "buffer.h" -#include "ssh2.h" -#include "key.h" -#include "cipher.h" -#include "kex.h" - -void -kex_dh_hash( - char *client_version_string, - char *server_version_string, - char *ckexinit, int ckexinitlen, - char *skexinit, int skexinitlen, - u_char *serverhostkeyblob, int sbloblen, - BIGNUM *client_dh_pub, - BIGNUM *server_dh_pub, - BIGNUM *shared_secret, - u_char **hash, u_int *hashlen) -{ - Buffer b; - static u_char digest[EVP_MAX_MD_SIZE]; - const EVP_MD *evp_md = EVP_sha1(); - EVP_MD_CTX md; - - buffer_init(&b); - buffer_put_cstring(&b, client_version_string); - buffer_put_cstring(&b, server_version_string); - - /* kexinit messages: fake header: len+SSH2_MSG_KEXINIT */ - buffer_put_int(&b, ckexinitlen+1); - buffer_put_char(&b, SSH2_MSG_KEXINIT); - buffer_append(&b, ckexinit, ckexinitlen); - buffer_put_int(&b, skexinitlen+1); - buffer_put_char(&b, SSH2_MSG_KEXINIT); - buffer_append(&b, skexinit, skexinitlen); - - buffer_put_string(&b, serverhostkeyblob, sbloblen); - buffer_put_bignum2(&b, client_dh_pub); - buffer_put_bignum2(&b, server_dh_pub); - buffer_put_bignum2(&b, shared_secret); - -#ifdef DEBUG_KEX - buffer_dump(&b); -#endif - EVP_DigestInit(&md, evp_md); - EVP_DigestUpdate(&md, buffer_ptr(&b), buffer_len(&b)); - EVP_DigestFinal(&md, digest, NULL); - - buffer_free(&b); - -#ifdef DEBUG_KEX - dump_digest("hash", digest, EVP_MD_size(evp_md)); -#endif - *hash = digest; - *hashlen = EVP_MD_size(evp_md); -} |