mirror of
https://github.com/TigerVNC/tigervnc.git
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47ed8d321c
git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@2 3789f03b-4d11-0410-bbf8-ca57d06f2519
62 lines
1.7 KiB
C++
62 lines
1.7 KiB
C++
/* Copyright (C) 2002-2003 RealVNC Ltd. All Rights Reserved.
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*
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* This is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This software is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this software; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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* USA.
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*/
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//
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// vncAuth
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//
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// XXX not thread-safe, because d3des isn't - do we need to worry about this?
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//
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#include <string.h>
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extern "C" {
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#include <rfb/d3des.h>
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}
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#include <rfb/vncAuth.h>
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using namespace rfb;
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void rfb::vncAuthEncryptChallenge(rdr::U8* challenge, const char* passwd)
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{
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unsigned char key[8] = { 0, };
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int len = strlen(passwd);
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if (len > 8) len = 8;
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for (int i = 0; i < len; i++)
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key[i] = passwd[i];
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deskey(key, EN0);
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for (int j = 0; j < vncAuthChallengeSize; j += 8)
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des(challenge+j, challenge+j);
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}
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static unsigned char obfuscationKey[] = {23,82,107,6,35,78,88,7};
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void rfb::vncAuthObfuscatePasswd(char* passwd)
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{
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for (int i = strlen(passwd); i < 8; i++)
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passwd[i] = 0;
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deskey(obfuscationKey, EN0);
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des((unsigned char*)passwd, (unsigned char*)passwd);
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}
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void rfb::vncAuthUnobfuscatePasswd(char* passwd)
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{
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deskey(obfuscationKey, DE1);
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des((unsigned char*)passwd, (unsigned char*)passwd);
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passwd[8] = 0;
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}
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