diff options
Diffstat (limited to 'crypto/openssh/kexgex.c')
-rw-r--r-- | crypto/openssh/kexgex.c | 98 |
1 files changed, 0 insertions, 98 deletions
diff --git a/crypto/openssh/kexgex.c b/crypto/openssh/kexgex.c deleted file mode 100644 index b60ab5c..0000000 --- a/crypto/openssh/kexgex.c +++ /dev/null @@ -1,98 +0,0 @@ -/* $OpenBSD: kexgex.c,v 1.27 2006/08/03 03:34:42 deraadt Exp $ */ -/* - * Copyright (c) 2000 Niels Provos. All rights reserved. - * 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 <openssl/evp.h> -#include <signal.h> - -#include "buffer.h" -#include "key.h" -#include "cipher.h" -#include "kex.h" -#include "ssh2.h" - -void -kexgex_hash( - const EVP_MD *evp_md, - char *client_version_string, - char *server_version_string, - char *ckexinit, int ckexinitlen, - char *skexinit, int skexinitlen, - u_char *serverhostkeyblob, int sbloblen, - int min, int wantbits, int max, BIGNUM *prime, BIGNUM *gen, - 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]; - 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); - if (min == -1 || max == -1) - buffer_put_int(&b, wantbits); - else { - buffer_put_int(&b, min); - buffer_put_int(&b, wantbits); - buffer_put_int(&b, max); - } - buffer_put_bignum2(&b, prime); - buffer_put_bignum2(&b, gen); - buffer_put_bignum2(&b, client_dh_pub); - buffer_put_bignum2(&b, server_dh_pub); - buffer_put_bignum2(&b, shared_secret); - -#ifdef DEBUG_KEXDH - 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); - *hash = digest; - *hashlen = EVP_MD_size(evp_md); -#ifdef DEBUG_KEXDH - dump_digest("hash", digest, *hashlen); -#endif -} |