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/*

dbx_tree: tree database driver for Miranda IM

Copyright 2007-2010 Michael "Protogenes" Kunz,

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

*/

#include <stdint.h>

class SHA256
{
public:
	typedef uint32_t THash[8];

	SHA256();
	~SHA256();

	void SHAInit();
	void SHAUpdate(void * Data, uint32_t Length);
	void SHAFinal(THash & Hash);
private:
	THash m_Hash;
	uint64_t m_Length; /// Datalength in byte

	uint8_t m_Block[64];

	void SHABlock();
	void Swap64(void * Addr);
};