/usr/include/botan-1.10/botan/keccak.h is in libbotan1.10-dev 1.10.0-3.
This file is owned by root:root, with mode 0o644.
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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 42 43 44 45 46 47 | /*
* Keccak
* (C) 2010 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
#ifndef BOTAN_KECCAK_H__
#define BOTAN_KECCAK_H__
#include <botan/hash.h>
#include <botan/secmem.h>
#include <string>
namespace Botan {
/**
* Keccak[1600], a SHA-3 candidate
*/
class BOTAN_DLL Keccak_1600 : public HashFunction
{
public:
/**
* @param output_bits the size of the hash output; must be one of
* 224, 256, 384, or 512
*/
Keccak_1600(size_t output_bits = 512);
size_t hash_block_size() const { return bitrate / 8; }
size_t output_length() const { return output_bits / 8; }
HashFunction* clone() const;
std::string name() const;
void clear();
private:
void add_data(const byte input[], size_t length);
void final_result(byte out[]);
size_t output_bits, bitrate;
SecureVector<u64bit> S;
size_t S_pos;
};
}
#endif
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