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/*
* Kuznyechik
* (C) 2012 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#ifndef BOTAN_KUZNYECHIK_H_
#define BOTAN_KUZNYECHIK_H_
#include <botan/block_cipher.h>
namespace Botan {
/**
* Kuznyechik
*/
class Kuznyechik final : public Botan::Block_Cipher_Fixed_Params<16, 32> {
public:
void encrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const override;
void decrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const override;
void clear() override;
std::string name() const override { return "Kuznyechik"; }
std::unique_ptr<BlockCipher> new_object() const override { return std::make_unique<Kuznyechik>(); }
bool has_keying_material() const override;
~Kuznyechik() override;
private:
void key_schedule(std::span<const uint8_t> key) override;
uint64_t m_rke[10][2];
uint64_t m_rkd[10][2];
bool m_has_keying_material;
};
} // namespace Botan
#endif