Botan  2.4.0
Crypto and TLS for C++11
threefish.h
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1 /*
2 * Threefish
3 * (C) 2013,2014 Jack Lloyd
4 *
5 * Botan is released under the Simplified BSD License (see license.txt)
6 */
7 
8 #ifndef BOTAN_THREEFISH_H_
9 #define BOTAN_THREEFISH_H_
10 
11 #include <botan/block_cipher.h>
12 
13 namespace Botan {
14 
15 /**
16 * Threefish-512
17 */
18 class BOTAN_PUBLIC_API(2,0) Threefish_512 final : public Block_Cipher_Fixed_Params<64, 64>
19  {
20  public:
21  void encrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const override;
22  void decrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const override;
23 
24  void set_tweak(const uint8_t tweak[], size_t len);
25 
26  void clear() override;
27  std::string provider() const override;
28  std::string name() const override { return "Threefish-512"; }
29  BlockCipher* clone() const override { return new Threefish_512; }
30  size_t parallelism() const override;
31 
32  private:
33  const secure_vector<uint64_t>& get_T() const { return m_T; }
34  const secure_vector<uint64_t>& get_K() const { return m_K; }
35 
36 #if defined(BOTAN_HAS_THREEFISH_512_AVX2)
37  void avx2_encrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const;
38  void avx2_decrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const;
39 #endif
40 
41  void key_schedule(const uint8_t key[], size_t key_len) override;
42 
43  // Interface for Skein
44  friend class Skein_512;
45 
46  void skein_feedfwd(const secure_vector<uint64_t>& M,
47  const secure_vector<uint64_t>& T);
48 
49  // Private data
52  };
53 
54 }
55 
56 #endif
#define BOTAN_PUBLIC_API(maj, min)
Definition: compiler.h:27
BlockCipher * clone() const override
Definition: threefish.h:29
Definition: alg_id.cpp:13
std::string name() const override
Definition: threefish.h:28
fe T
Definition: ge.cpp:37
std::vector< T, secure_allocator< T > > secure_vector
Definition: secmem.h:88