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a34a28bf86
- [canohost.c] fix get_remote_port() and friends for sshd -i; Holger.Trapp@Informatik.TU-Chemnitz.DE - [mpaux.c] make code simpler. no need for memcpy. niels@ ok - [pty.c] namebuflen not sizeof namebuflen; bnd@ep-ag.com via djm@mindrot.org fix proto; markus - [ssh.1] typo; mark.baushke@solipsa.com - [channels.c ssh.c ssh.h sshd.c] type conflict for 'extern Type *options' in channels.c; dot@dotat.at - [sshconnect.c] move checking of hostkey into own function. - [version.h] OpenSSH-1.2.1
53 lines
1.2 KiB
C
53 lines
1.2 KiB
C
/*
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*
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* mpaux.c
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*
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* Author: Tatu Ylonen <ylo@cs.hut.fi>
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*
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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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*
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* Created: Sun Jul 16 04:29:30 1995 ylo
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*
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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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*/
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#include "includes.h"
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RCSID("$Id: mpaux.c,v 1.8 1999/12/13 23:47:16 damien Exp $");
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#include "getput.h"
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#include "xmalloc.h"
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#ifdef HAVE_OPENSSL
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#include <openssl/bn.h>
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#include <openssl/md5.h>
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#endif
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#ifdef HAVE_SSL
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#include <ssl/bn.h>
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#include <ssl/md5.h>
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#endif
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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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