ClanLib  2.3.7
aes256_encrypt.h
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1 /*
2 ** ClanLib SDK
3 ** Copyright (c) 1997-2011 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 ** Magnus Norddahl
27 ** Mark Page
28 */
29 
32 
33 #pragma once
34 
35 #include "../api_core.h"
36 #include "../System/sharedptr.h"
37 
38 class CL_DataBuffer;
39 class CL_AES256_Encrypt_Impl;
40 
45 {
48 
49 public:
52 
56 
57 public:
63  CL_DataBuffer get_data() const;
64 
68 
69 public:
70  static const int iv_size = 16;
71  static const int key_size = 32;
72  static const int block_size = 16;
73 
75  void reset();
76 
81  void set_iv(const unsigned char iv[iv_size]);
82 
86  void set_key(const unsigned char key[key_size]);
87 
96  void set_padding(bool value = true, bool use_pkcs7 = true, unsigned int num_additional_padded_blocks = 0);
97 
99  void add(const void *data, int size);
100 
104  void add(const CL_DataBuffer &data);
105 
107  void calculate();
108 
112 
113 private:
114  CL_SharedPtr<CL_AES256_Encrypt_Impl> impl;
116 };
117