Botan  2.11.0
Crypto and TLS for C++11
serpent.h
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1 /*
2 * Serpent
3 * (C) 1999-2007 Jack Lloyd
4 *
5 * Botan is released under the Simplified BSD License (see license.txt)
6 */
7 
8 #ifndef BOTAN_SERPENT_H_
9 #define BOTAN_SERPENT_H_
10 
11 #include <botan/block_cipher.h>
12 
13 namespace Botan {
14 
15 /**
16 * Serpent is the most conservative of the AES finalists
17 * https://www.cl.cam.ac.uk/~rja14/serpent.html
18 */
19 class BOTAN_PUBLIC_API(2,0) Serpent final : public Block_Cipher_Fixed_Params<16, 16, 32, 8>
20  {
21  public:
22  void encrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const override;
23  void decrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const override;
24 
25  void clear() override;
26  std::string provider() const override;
27  std::string name() const override { return "Serpent"; }
28  BlockCipher* clone() const override { return new Serpent; }
29 
30  size_t parallelism() const override { return 4; }
31 
32  private:
33 
34 #if defined(BOTAN_HAS_SERPENT_SIMD)
35  void simd_encrypt_4(const uint8_t in[64], uint8_t out[64]) const;
36  void simd_decrypt_4(const uint8_t in[64], uint8_t out[64]) const;
37 #endif
38 
39 #if defined(BOTAN_HAS_SERPENT_AVX2)
40  void avx2_encrypt_8(const uint8_t in[64], uint8_t out[64]) const;
41  void avx2_decrypt_8(const uint8_t in[64], uint8_t out[64]) const;
42 #endif
43 
44  void key_schedule(const uint8_t key[], size_t length) override;
45 
46  secure_vector<uint32_t> m_round_key;
47  };
48 
49 }
50 
51 #endif
int(* final)(unsigned char *, CTX *)
void const uint8_t in[]
Definition: mgf1.h:26
char * name
Definition: ffi.h:330
const uint8_t uint8_t size_t blocks
Definition: ffi.h:691
class BOTAN_PUBLIC_API(2, 11) Argon2 final class BOTAN_PUBLIC_API(2, 11) Argon2_Family final void size_t const char size_t const uint8_t size_t const uint8_t key[]
Definition: argon2.h:87
Definition: alg_id.cpp:13
uint8_t out[]
Definition: pbkdf2.h:19
class BOTAN_PUBLIC_API(2, 0) AlgorithmIdentifier final bool BOTAN_PUBLIC_API(2, 0) operator
Name Constraints.
Definition: asn1_obj.h:66