/usr/include/botan/crc32.h is in libbotan1.8-dev 1.8.13-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 | /*
* CRC32
* (C) 1999-2007 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
#ifndef BOTAN_CRC32_H__
#define BOTAN_CRC32_H__
#include <botan/hash.h>
namespace Botan {
/*
* CRC32
*/
class BOTAN_DLL CRC32 : public HashFunction
{
public:
void clear() throw() { crc = 0xFFFFFFFF; }
std::string name() const { return "CRC32"; }
HashFunction* clone() const { return new CRC32; }
CRC32() : HashFunction(4) { clear(); }
~CRC32() { clear(); }
private:
void add_data(const byte[], u32bit);
void final_result(byte[]);
u32bit crc;
};
}
#endif
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