aes128_decrypt.h

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00001 /*
00002 **  ClanLib SDK
00003 **  Copyright (c) 1997-2011 The ClanLib Team
00004 **
00005 **  This software is provided 'as-is', without any express or implied
00006 **  warranty.  In no event will the authors be held liable for any damages
00007 **  arising from the use of this software.
00008 **
00009 **  Permission is granted to anyone to use this software for any purpose,
00010 **  including commercial applications, and to alter it and redistribute it
00011 **  freely, subject to the following restrictions:
00012 **
00013 **  1. The origin of this software must not be misrepresented; you must not
00014 **     claim that you wrote the original software. If you use this software
00015 **     in a product, an acknowledgment in the product documentation would be
00016 **     appreciated but is not required.
00017 **  2. Altered source versions must be plainly marked as such, and must not be
00018 **     misrepresented as being the original software.
00019 **  3. This notice may not be removed or altered from any source distribution.
00020 **
00021 **  Note: Some of the libraries ClanLib may link to may have additional
00022 **  requirements or restrictions.
00023 **
00024 **  File Author(s):
00025 **
00026 **    Magnus Norddahl
00027 **    Mark Page
00028 */
00029 
00032 
00033 #pragma once
00034 
00035 #include "../api_core.h"
00036 #include "../System/sharedptr.h"
00037 
00038 class CL_DataBuffer;
00039 class CL_AES128_Decrypt_Impl;
00040 
00044 class CL_API_CORE CL_AES128_Decrypt
00045 {
00048 
00049 public:
00051         CL_AES128_Decrypt();
00052 
00056 
00057 public:
00063         CL_DataBuffer get_data() const;
00064 
00068 
00069 public:
00070         static const int iv_size = 16;
00071         static const int key_size = 16;
00072 
00074         void reset();
00075 
00080         void set_iv(const unsigned char iv[iv_size]);
00081 
00085         void set_key(const unsigned char key[key_size]);
00086 
00094         void set_padding(bool value = true, bool use_pkcs7 = true);
00095 
00097         void add(const void *data, int size);
00098 
00102         void add(const CL_DataBuffer &data);
00103 
00109         bool calculate();
00110 
00114 
00115 private:
00116         CL_SharedPtr<CL_AES128_Decrypt_Impl> impl;
00118 };
00119