Botan  1.10.9
noekeon.h
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1 /*
2 * Noekeon
3 * (C) 1999-2008 Jack Lloyd
4 *
5 * Distributed under the terms of the Botan license
6 */
7 
8 #ifndef BOTAN_NOEKEON_H__
9 #define BOTAN_NOEKEON_H__
10 
11 #include <botan/block_cipher.h>
12 
13 namespace Botan {
14 
15 /**
16 * Noekeon
17 */
18 class BOTAN_DLL Noekeon : public Block_Cipher_Fixed_Params<16, 16>
19  {
20  public:
21  void encrypt_n(const byte in[], byte out[], size_t blocks) const;
22  void decrypt_n(const byte in[], byte out[], size_t blocks) const;
23 
24  void clear();
25  std::string name() const { return "Noekeon"; }
26  BlockCipher* clone() const { return new Noekeon; }
27 
28  Noekeon() : EK(4), DK(4) {}
29  protected:
30  /**
31  * The Noekeon round constants
32  */
33  static const byte RC[17];
34 
35  /**
36  * @return const reference to encryption subkeys
37  */
38  const SecureVector<u32bit>& get_EK() const { return EK; }
39 
40  /**
41  * @return const reference to decryption subkeys
42  */
43  const SecureVector<u32bit>& get_DK() const { return DK; }
44 
45  private:
46  void key_schedule(const byte[], size_t);
47  SecureVector<u32bit> EK, DK;
48  };
49 
50 }
51 
52 #endif
unsigned char byte
Definition: types.h:22
std::string name() const
Definition: noekeon.h:25
const SecureVector< u32bit > & get_EK() const
Definition: noekeon.h:38
BlockCipher * clone() const
Definition: noekeon.h:26
const SecureVector< u32bit > & get_DK() const
Definition: noekeon.h:43