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81 lines
2.4 KiB
C
81 lines
2.4 KiB
C
/*
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* Copyright (C) Volition, Inc. 1999. All rights reserved.
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*
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* All source code herein is the property of Volition, Inc. You may not sell
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* or otherwise commercially exploit the source or things you created based on the
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* source.
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*
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*/
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/*
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* $Logfile: /Freespace2/code/parse/Encrypt.h $
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* $Revision: 2.3 $
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* $Date: 2005-04-15 11:35:18 $
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* $Author: taylor $
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*
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* Header for encryption code common to FreeSpace and related tools
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*
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* $Log: not supported by cvs2svn $
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* Revision 2.2 2004/08/11 05:06:31 Kazan
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* added preprocdefines.h to prevent what happened with fred -- make sure to make all fred2 headers include this file as the _first_ include -- i have already modified fs2 files to do this
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*
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* Revision 2.1 2003/09/28 21:22:58 Goober5000
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* added the option to import FSM missions, added a replace function, spruced
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* up my $player, $rank, etc. code, and fixed encrypt being misspelled as 'encrpyt'
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* --Goober5000
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*
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* Revision 2.0 2002/06/03 04:02:27 penguin
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* Warpcore CVS sync
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*
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* Revision 1.1 2002/05/02 18:03:12 mharris
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* Initial checkin - converted filenames and includes to lower case
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*
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*
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* 3 3/25/99 11:26a Dave
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* Beefed up encryption scheme so that even someone viewing the
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* disassembly would have a hard time cracking it.
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*
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* 2 10/07/98 10:53a Dave
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* Initial checkin.
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*
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* 1 10/07/98 10:50a Dave
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*
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* 4 8/09/98 4:44p Lawrance
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* support alternate encryption scheme (doesn't pack chars into 7 bits)
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*
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* 3 3/31/98 4:57p Lawrance
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* Add signature at the beginning of encrypted files
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*
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* 2 3/31/98 1:14a Lawrance
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* Get .tbl and mission file encryption working.
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*
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* 1 3/30/98 11:02p Lawrance
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*
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* $NoKeywords: $
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*/
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#include "PreProcDefines.h"
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#ifndef __ENCRYPT_H__
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#define __ENCRYPT_H__
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// initialize encryption
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void encrypt_init();
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// Return 1 if the file is encrypted, otherwise return 0
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int is_encrypted(char *scrambled_text);
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// Returns 1 if the data uses one of the FS1 style encryptions, 0 if FS2 style
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int is_old_encrypt(char *scrambled_text);
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// return text description of the encrypted text type
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const char *encrypt_type(char *scrambled_text);
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// Encrypt text data
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void encrypt(char *text, int text_len, char *scrambled_text, int *scrambled_len, int use_8bit, bool new_encrypt = true);
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// Decrypt scrambled_text
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void unencrypt(char *scrambled_text, int scrambled_len, char *text, int *text_len);
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#endif
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