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- markus@cvs.openbsd.org 2000/09/05 02:59:57 [session.c] print hostname (not hushlogin) - markus@cvs.openbsd.org 2000/09/05 13:18:48 [authfile.c ssh-add.c] enable ssh-add -d for DSA keys - markus@cvs.openbsd.org 2000/09/05 13:20:49 [sftp-server.c] cleanup - markus@cvs.openbsd.org 2000/09/06 03:46:41 [authfile.h] prototype - deraadt@cvs.openbsd.org 2000/09/07 14:27:56 [ALL] cleanup copyright notices on all files. I have attempted to be accurate with the details. everything is now under Tatu's licence (which I copied from his readme), and/or the core-sdi bsd-ish thing for deattack, or various openbsd developers under a 2-term bsd licence. We're not changing any rules, just being accurate. - markus@cvs.openbsd.org 2000/09/07 14:40:30 [channels.c channels.h clientloop.c serverloop.c ssh.c] cleanup window and packet sizes for ssh2 flow control; ok niels - markus@cvs.openbsd.org 2000/09/07 14:53:00 [scp.c] typo - markus@cvs.openbsd.org 2000/09/07 15:13:37 [auth-options.c auth-options.h auth-rh-rsa.c auth-rsa.c auth.c] [authfile.h canohost.c channels.h compat.c hostfile.h log.c match.h] [pty.c readconf.c] some more Copyright fixes - markus@cvs.openbsd.org 2000/09/08 03:02:51 [README.openssh2] bye bye - deraadt@cvs.openbsd.org 2000/09/11 18:38:33 [LICENCE cipher.c] a few more comments about it being ARC4 not RC4 - markus@cvs.openbsd.org 2000/09/12 14:53:11 [log-client.c log-server.c log.c ssh.1 ssh.c ssh.h sshd.8 sshd.c] multiple debug levels - markus@cvs.openbsd.org 2000/09/14 14:25:15 [clientloop.c] typo - deraadt@cvs.openbsd.org 2000/09/15 01:13:51 [ssh-agent.c] check return value for setenv(3) for failure, and deal appropriately
45 lines
1.3 KiB
C
45 lines
1.3 KiB
C
/*
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* Author: Tatu Ylonen <ylo@cs.hut.fi>
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* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
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* All rights reserved
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* This file contains various auxiliary functions related to multiple
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* precision integers.
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*
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* As far as I am concerned, the code I have written for this software
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* can be used freely for any purpose. Any derived versions of this
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* software must be clearly marked as such, and if the derived work is
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* incompatible with the protocol description in the RFC file, it must be
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* called by a name other than "ssh" or "Secure Shell".
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*/
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#include "includes.h"
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RCSID("$OpenBSD: mpaux.c,v 1.14 2000/09/07 20:27:52 deraadt Exp $");
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#include <openssl/bn.h>
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#include "getput.h"
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#include "xmalloc.h"
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#include <openssl/md5.h>
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void
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compute_session_id(unsigned char session_id[16],
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unsigned char cookie[8],
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BIGNUM* host_key_n,
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BIGNUM* session_key_n)
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{
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unsigned int host_key_bytes = BN_num_bytes(host_key_n);
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unsigned int session_key_bytes = BN_num_bytes(session_key_n);
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unsigned int bytes = host_key_bytes + session_key_bytes;
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unsigned char *buf = xmalloc(bytes);
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MD5_CTX md;
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BN_bn2bin(host_key_n, buf);
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BN_bn2bin(session_key_n, buf + host_key_bytes);
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MD5_Init(&md);
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MD5_Update(&md, buf, bytes);
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MD5_Update(&md, cookie, 8);
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MD5_Final(session_id, &md);
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memset(buf, 0, bytes);
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xfree(buf);
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}
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