Botan  1.10.9
rc2.h
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1 /*
2 * RC2
3 * (C) 1999-2007 Jack Lloyd
4 *
5 * Distributed under the terms of the Botan license
6 */
7 
8 #ifndef BOTAN_RC2_H__
9 #define BOTAN_RC2_H__
10 
11 #include <botan/block_cipher.h>
12 
13 namespace Botan {
14 
15 /**
16 * RC2
17 */
18 class BOTAN_DLL RC2 : public Block_Cipher_Fixed_Params<8, 1, 32>
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  /**
25  * Return the code of the effective key bits
26  * @param bits key length
27  * @return EKB code
28  */
29  static byte EKB_code(size_t bits);
30 
31  void clear() { zeroise(K); }
32  std::string name() const { return "RC2"; }
33  BlockCipher* clone() const { return new RC2; }
34 
35  RC2() : K(64) {}
36  private:
37  void key_schedule(const byte[], size_t);
38 
40  };
41 
42 }
43 
44 #endif
RC2()
Definition: rc2.h:35
unsigned char byte
Definition: types.h:22
void clear()
Definition: rc2.h:31
std::string name() const
Definition: rc2.h:32
BlockCipher * clone() const
Definition: rc2.h:33
Definition: rc2.h:18
void zeroise(MemoryRegion< T > &vec)
Definition: secmem.h:415