sha224.h

Go to the documentation of this file.
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_SHA256_Impl;
00040 
00044 class CL_API_CORE CL_SHA224
00045 {
00048 
00049 public:
00051         CL_SHA224();
00052 
00056 
00057 public:
00058         static const int hash_size = 28;
00059 
00061         CL_String8 get_hash(bool uppercase = false) const;
00062 
00066         void get_hash(unsigned char out_hash[hash_size]) const;
00067 
00071 
00072 public:
00074         void reset();
00075 
00082         void set_hmac(const void *key_data, int key_size);
00083 
00085         void add(const void *data, int size);
00086 
00090         void add(const CL_DataBuffer &data);
00091 
00093         void calculate();
00094 
00098 
00099 private:
00100         CL_SharedPtr<CL_SHA256_Impl> impl;      // Uses SHA256 implementation
00102 };
00103