Fawkes API  Fawkes Development Version
decrypt.h
1 
2 /***************************************************************************
3  * decrypt.h - Message decryption routine
4  *
5  * Created: Thu May 03 15:53:20 2007
6  * Copyright 2006-2014 Tim Niemueller [www.niemueller.de]
7  ****************************************************************************/
8 
9 /* This program is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version. A runtime exception applies to
13  * this software (see LICENSE.GPL_WRE file mentioned below for details).
14  *
15  * This program is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18  * GNU Library General Public License for more details.
19  *
20  * Read the full text in the LICENSE.GPL_WRE file in the doc directory.
21  */
22 
23 #ifndef _NETCOMM_CRYPTO_DECRYPT_H_
24 #define _NETCOMM_CRYPTO_DECRYPT_H_
25 
26 #include <core/exception.h>
27 
28 #include <cstddef>
29 
30 namespace fawkes {
31 
33 {
34 public:
35  MessageDecryptionException(const char *msg);
36 };
37 
39 {
40 public:
41  MessageDecryptor(const unsigned char *key, const unsigned char *iv);
43 
44  void set_plain_buffer(void *buffer, size_t buffer_length);
45  void set_crypt_buffer(void *buffer, size_t buffer_length);
46 
47  size_t decrypt();
48 
49 private:
50  void * plain_buffer;
51  size_t plain_buffer_length;
52  void * crypt_buffer;
53  size_t crypt_buffer_length;
54 
55  const unsigned char *key;
56  const unsigned char *iv;
57 };
58 
59 } // end namespace fawkes
60 
61 #endif
Base class for exceptions in Fawkes.
Definition: exception.h:36
Message decryption failed.
Definition: decrypt.h:33
MessageDecryptionException(const char *msg)
Constructor.
Definition: decrypt.cpp:43
Message decryptor.
Definition: decrypt.h:39
void set_crypt_buffer(void *buffer, size_t buffer_length)
Set crypted buffer.
Definition: decrypt.cpp:101
~MessageDecryptor()
Empty destructor.
Definition: decrypt.cpp:79
void set_plain_buffer(void *buffer, size_t buffer_length)
Set plain buffer.
Definition: decrypt.cpp:89
MessageDecryptor(const unsigned char *key, const unsigned char *iv)
Constructor.
Definition: decrypt.cpp:67
size_t decrypt()
Decrypt.
Definition: decrypt.cpp:112
Fawkes library namespace.