/usr/include/botan-2/botan/threefish.h is in libbotan-2-dev 2.4.0-5ubuntu1.
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 48 49 50 51 52 53 54 55 56 | /*
* Threefish
* (C) 2013,2014 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#ifndef BOTAN_THREEFISH_H_
#define BOTAN_THREEFISH_H_
#include <botan/block_cipher.h>
namespace Botan {
/**
* Threefish-512
*/
class BOTAN_PUBLIC_API(2,0) Threefish_512 final : public Block_Cipher_Fixed_Params<64, 64>
{
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 set_tweak(const uint8_t tweak[], size_t len);
void clear() override;
std::string provider() const override;
std::string name() const override { return "Threefish-512"; }
BlockCipher* clone() const override { return new Threefish_512; }
size_t parallelism() const override;
private:
const secure_vector<uint64_t>& get_T() const { return m_T; }
const secure_vector<uint64_t>& get_K() const { return m_K; }
#if defined(BOTAN_HAS_THREEFISH_512_AVX2)
void avx2_encrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const;
void avx2_decrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const;
#endif
void key_schedule(const uint8_t key[], size_t key_len) override;
// Interface for Skein
friend class Skein_512;
void skein_feedfwd(const secure_vector<uint64_t>& M,
const secure_vector<uint64_t>& T);
// Private data
secure_vector<uint64_t> m_T;
secure_vector<uint64_t> m_K;
};
}
#endif
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