vncauth.c
资源名称:vnc3326s.zip [点击查看]
上传用户:sbftbdw
上传日期:2007-01-03
资源大小:379k
文件大小:2k
源码类别:
远程控制编程
开发平台:
Visual C++
- // Copyright (C) 1997, 1998 Olivetti & Oracle Research Laboratory
- //
- // This file is part of the VNC system.
- //
- // The VNC system is free software; you can redistribute it and/or modify
- // it under the terms of the GNU General Public License as published by
- // the Free Software Foundation; either version 2 of the License, or
- // (at your option) any later version.
- //
- // This program is distributed in the hope that it will be useful,
- // but WITHOUT ANY WARRANTY; without even the implied warranty of
- // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- // GNU General Public License for more details.
- //
- // You should have received a copy of the GNU General Public License
- // along with this program; if not, write to the Free Software
- // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
- // USA.
- //
- // If the source code for the VNC system is not available from the place
- // whence you received this file, check http://www.orl.co.uk/vnc or contact
- // the authors on vnc@orl.co.uk for information on obtaining it.
- /*
- * vncauth.c - Functions for VNC password management and authentication.
- */
- /*
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #include <sys/types.h>
- #include <sys/stat.h>
- */
- #include "stdhdrs.h"
- #include "vncauth.h"
- #include "d3des.h"
- /*
- * We use a fixed key to store passwords, since we assume that our local
- * file system is secure but nonetheless don't want to store passwords
- * as plaintext.
- */
- unsigned char fixedkey[8] = {23,82,107,6,35,78,88,7};
- /*
- * Encrypt CHALLENGESIZE bytes in memory using a password.
- */
- void
- vncEncryptBytes(unsigned char *bytes, char *passwd)
- {
- unsigned char key[8];
- unsigned int i;
- /* key is simply password padded with nulls */
- for (i = 0; i < 8; i++) {
- if (i < strlen(passwd)) {
- key[i] = passwd[i];
- } else {
- key[i] = 0;
- }
- }
- deskey(key, EN0);
- for (i = 0; i < CHALLENGESIZE; i += 8) {
- des(bytes+i, bytes+i);
- }
- }