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/**
* The Skein-512 hash function
* (C) 2009 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
#ifndef BOTAN_SKEIN_H__
#define BOTAN_SKEIN_H__
#include <botan/secmem.h>
#include <botan/hash.h>
#include <string>
namespace Botan {
class 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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