aes192_decrypt.h
1 /*
2 ** ClanLib SDK
3 ** Copyright (c) 1997-2016 The ClanLib Team
4 **
5 ** This software is provided 'as-is', without any express or implied
6 ** warranty. In no event will the authors be held liable for any damages
7 ** arising from the use of this software.
8 **
9 ** Permission is granted to anyone to use this software for any purpose,
10 ** including commercial applications, and to alter it and redistribute it
11 ** freely, subject to the following restrictions:
12 **
13 ** 1. The origin of this software must not be misrepresented; you must not
14 ** claim that you wrote the original software. If you use this software
15 ** in a product, an acknowledgment in the product documentation would be
16 ** appreciated but is not required.
17 ** 2. Altered source versions must be plainly marked as such, and must not be
18 ** misrepresented as being the original software.
19 ** 3. This notice may not be removed or altered from any source distribution.
20 **
21 ** Note: Some of the libraries ClanLib may link to may have additional
22 ** requirements or restrictions.
23 **
24 ** File Author(s):
25 **
26 ** Mark Page
27 */
28 
29 
30 #pragma once
31 
32 #include <memory>
33 
34 namespace clan
35 {
38 
39  class DataBuffer;
40  class AES192_Decrypt_Impl;
41 
44  {
45  public:
48 
54  DataBuffer get_data() const;
55 
56  static const int iv_size = 16;
57  static const int key_size = 24;
58 
60  void reset();
61 
66  void set_iv(const unsigned char iv[iv_size]);
67 
71  void set_key(const unsigned char key[key_size]);
72 
80  void set_padding(bool value = true, bool use_pkcs7 = true);
81 
83  void add(const void *data, int size);
84 
88  void add(const DataBuffer &data);
89 
95  bool calculate();
96 
97  private:
98  std::shared_ptr<AES192_Decrypt_Impl> impl;
99  };
100 
102 }
Definition: clanapp.h:35
AES192_Decrypt()
Constructs a AES-192 generator (running in Cipher Block Chaining mode)
void set_iv(const unsigned char iv[iv_size])
Sets the initialisation vector.
DataBuffer get_data() const
Get decrypted data.
static const int key_size
Definition: aes192_decrypt.h:57
void add(const void *data, int size)
Adds data to be decrypted.
static const int iv_size
Definition: aes192_decrypt.h:56
bool calculate()
Finalize decryption.
AES-192 decryption class (running in Cipher Block Chaining mode)
Definition: aes192_decrypt.h:43
void set_padding(bool value=true, bool use_pkcs7=true)
Enable AES Padding.
General purpose data buffer.
Definition: databuffer.h:41
void reset()
Resets the decryption.
void set_key(const unsigned char key[key_size])
Sets the cipher key.