Botan  1.10.9
skipjack.h
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1 /*
2 * Skipjack
3 * (C) 1999-2007 Jack Lloyd
4 *
5 * Distributed under the terms of the Botan license
6 */
7 
8 #ifndef BOTAN_SKIPJACK_H__
9 #define BOTAN_SKIPJACK_H__
10 
11 #include <botan/block_cipher.h>
12 
13 namespace Botan {
14 
15 /**
16 * Skipjack, a NSA designed cipher used in Fortezza
17 */
18 class BOTAN_DLL Skipjack : public Block_Cipher_Fixed_Params<8, 10>
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 "Skipjack"; }
26  BlockCipher* clone() const { return new Skipjack; }
27 
28  Skipjack() : FTAB(2560) {}
29  private:
30  void key_schedule(const byte[], size_t);
31 
32  SecureVector<byte> FTAB;
33  };
34 
35 }
36 
37 #endif
std::string name() const
Definition: skipjack.h:25
unsigned char byte
Definition: types.h:22
BlockCipher * clone() const
Definition: skipjack.h:26