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secondo/Tools/DFS/shared/checksum.h
2026-01-23 17:03:45 +08:00

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C++

/*
----
This file is part of SECONDO.
Realizing a simple distributed filesystem for master thesis of stephan scheide
Copyright (C) 2015,
Faculty of Mathematics and Computer Science,
Database Systems for New Applications.
SECONDO 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.
SECONDO 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 SECONDO; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
----
//[$][\$]
*/
#include "../define.h"
namespace dfs {
namespace checksum {
/**
* easy creation of check sums
*/
class crc64 {
private:
UI64 table[256];
void generateLookupTable();
public:
crc64() { generateLookupTable(); }
UI64 checksum(UI8 *buf, int len);
};
};
}