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/*
* GOST 34.11
* (C) 2009 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#ifndef BOTAN_GOST_3411_H_
#define BOTAN_GOST_3411_H_
#include <botan/hash.h>
#include <botan/gost_28147.h>
BOTAN_FUTURE_INTERNAL_HEADER(gost_3411.h)
namespace Botan {
/**
* GOST 34.11
*/
class BOTAN_PUBLIC_API(2,0) GOST_34_11 final : public HashFunction
{
public:
std::string name() const override { return "GOST-R-34.11-94" ; }
size_t output_length() const override { return 32; }
size_t hash_block_size() const override { return 32; }
HashFunction* clone() const override { return new GOST_34_11; }
std::unique_ptr<HashFunction> copy_state() const override;
void clear() override;
GOST_34_11();
private:
void compress_n(const uint8_t input[], size_t blocks);
void add_data(const uint8_t[], size_t) override;
void final_result(uint8_t[]) override;
GOST_28147_89 m_cipher;
secure_vector<uint8_t> m_buffer, m_sum, m_hash;
size_t m_position;
uint64_t m_count;
};
}
#endif
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