Crypto++  6.0
Free C++ class library of cryptographic schemes
rc6.h
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1 // rc6.h - originally written and placed in the public domain by Wei Dai
2 
3 /// \file rc6.h
4 /// \brief Classes for the RC6 block cipher
5 /// \since Crypto++ 3.0
6 
7 #ifndef CRYPTOPP_RC6_H
8 #define CRYPTOPP_RC6_H
9 
10 #include "seckey.h"
11 #include "secblock.h"
12 
13 NAMESPACE_BEGIN(CryptoPP)
14 
15 /// \brief RC6 block cipher information
16 /// \since Crypto++ 3.0
17 struct RC6_Info : public FixedBlockSize<16>, public VariableKeyLength<16, 16, 32, 8>, public VariableRounds<20>
18 {
19  CRYPTOPP_STATIC_CONSTEXPR const char* StaticAlgorithmName() {return "RC6";}
20  typedef word32 RC6_WORD;
21 };
22 
23 /// \brief RC6 block cipher
24 /// \sa <a href="http://www.cryptopp.com/wiki/RC6">RC6</a>
25 /// \since Crypto++ 3.0
26 class RC6 : public RC6_Info, public BlockCipherDocumentation
27 {
28  class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<RC6_Info>
29  {
30  public:
31  void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs &params);
32 
33  protected:
34  unsigned int r; // number of rounds
35  SecBlock<RC6_WORD> sTable; // expanded key table
36  };
37 
38  class CRYPTOPP_NO_VTABLE Enc : public Base
39  {
40  public:
41  void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
42  };
43 
44  class CRYPTOPP_NO_VTABLE Dec : public Base
45  {
46  public:
47  void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
48  };
49 
50 public:
53 };
54 
57 
58 NAMESPACE_END
59 
60 #endif
Provides Encryption and Decryption typedefs used by derived classes to implement a block cipher...
Definition: seckey.h:419
RC6 block cipher.
Definition: rc6.h:26
RC6 block cipher information.
Definition: rc6.h:17
Classes and functions for secure memory allocations.
Inherited by algorithms with fixed block size.
Definition: seckey.h:39
Inherited by algorithms with variable number of rounds.
Definition: seckey.h:86
Classes and functions for implementing secret key algorithms.
Inherited by keyed algorithms with variable key length.
Definition: seckey.h:187
Provides a base implementation of Algorithm and SimpleKeyingInterface for block ciphers.
Definition: seckey.h:326
Crypto++ library namespace.
Interface for retrieving values given their names.
Definition: cryptlib.h:291