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decrypt.h
1 
2 /***************************************************************************
3  * decrypt.h - WorldInfo decryption routine
4  *
5  * Created: Thu May 03 15:53:20 2007
6  * Copyright 2006-2007 Tim Niemueller [www.niemueller.de]
7  *
8  ****************************************************************************/
9 
10 /* This program is free software; you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License as published by
12  * the Free Software Foundation; either version 2 of the License, or
13  * (at your option) any later version. A runtime exception applies to
14  * this software (see LICENSE.GPL_WRE file mentioned below for details).
15  *
16  * This program is distributed in the hope that it will be useful,
17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19  * GNU Library General Public License for more details.
20  *
21  * Read the full text in the LICENSE.GPL_WRE file in the doc directory.
22  */
23 
24 #ifndef __NETCOMM_WORLDINFO_DECRYPT_H_
25 #define __NETCOMM_WORLDINFO_DECRYPT_H_
26 
27 #include <core/exception.h>
28 #include <cstddef>
29 
30 namespace fawkes {
31 
33 {
34  public:
35  MessageDecryptionException(const char *msg);
36 };
37 
38 
40 {
41  public:
42  WorldInfoMessageDecryptor(const unsigned char *key, const unsigned char *iv);
44 
45  void set_plain_buffer(void *buffer, size_t buffer_length);
46  void set_crypt_buffer(void *buffer, size_t buffer_length);
47 
48  size_t decrypt();
49 
50  private:
51  void *plain_buffer;
52  size_t plain_buffer_length;
53  void *crypt_buffer;
54  size_t crypt_buffer_length;
55 
56  const unsigned char *key;
57  const unsigned char *iv;
58 };
59 
60 } // end namespace fawkes
61 
62 
63 #endif
WorldInfo message decryptor.
Definition: decrypt.h:39
WorldInfoMessageDecryptor(const unsigned char *key, const unsigned char *iv)
Constructor.
Definition: decrypt.cpp:71
Message decryption failed.
Definition: decrypt.h:32
void set_plain_buffer(void *buffer, size_t buffer_length)
Set plain buffer.
Definition: decrypt.cpp:95
~WorldInfoMessageDecryptor()
Empty destructor.
Definition: decrypt.cpp:84
Base class for exceptions in Fawkes.
Definition: exception.h:36
MessageDecryptionException(const char *msg)
Constructor.
Definition: decrypt.cpp:44
void set_crypt_buffer(void *buffer, size_t buffer_length)
Set crypted buffer.
Definition: decrypt.cpp:108