/usr/include/botan/skein_512.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 35 36 37 38 39 40 41 | /**
* The Skein-512 hash function
* (C) 2009 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
#ifndef BOTAN_SKEIN_512_H__
#define BOTAN_SKEIN_512_H__
#include <botan/secmem.h>
#include <botan/hash.h>
#include <string>
namespace Botan {
class BOTAN_DLL Skein_512 : public HashFunction
{
public:
Skein_512(u32bit output_bits = 512,
const std::string& personalization = "");
HashFunction* clone() const;
std::string name() const;
void clear() throw();
private:
void add_data(const byte input[], u32bit length);
void final_result(byte out[]);
std::string personalization;
u32bit output_bits;
SecureBuffer<u64bit, 9> H;
SecureBuffer<u64bit, 3> T;
SecureBuffer<byte, 64> buffer;
u32bit buf_pos;
};
}
#endif
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