Crypto++  5.6.3
Free C++ class library of cryptographic schemes
serpent.h
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1 // serpent.h - written and placed in the public domain by Wei Dai
2 
3 //! \file serpent.h
4 //! \brief Classes for the Serpent block cipher
5 
6 #ifndef CRYPTOPP_SERPENT_H
7 #define CRYPTOPP_SERPENT_H
8 
9 #include "seckey.h"
10 #include "secblock.h"
11 
12 NAMESPACE_BEGIN(CryptoPP)
13 
14 //! \class Serpent_Info
15 //! \brief Serpent block cipher information
16 struct Serpent_Info : public FixedBlockSize<16>, public VariableKeyLength<16, 0, 32>, public FixedRounds<32>
17 {
18  static const char *StaticAlgorithmName() {return "Serpent";}
19 };
20 
21 //! \class Serpent
22 //! \brief Serpent block cipher
23 /// \sa <a href="http://www.weidai.com/scan-mirror/cs.html#Serpent">Serpent</a>
25 {
26  class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<Serpent_Info>
27  {
28  public:
29  void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs &params);
30 
31  protected:
33  };
34 
35  class CRYPTOPP_NO_VTABLE Enc : public Base
36  {
37  public:
38  void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
39  };
40 
41  class CRYPTOPP_NO_VTABLE Dec : public Base
42  {
43  public:
44  void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
45  };
46 
47 public:
50 };
51 
54 
55 NAMESPACE_END
56 
57 #endif
Provides Encryption and Decryption typedefs used by derived classes to implement a block cipher...
Definition: seckey.h:396
Serpent block cipher.
Definition: serpent.h:24
Interface for one direction (encryption or decryption) of a block cipher.
Definition: cryptlib.h:1091
Classes and functions for secure memory allocations.
Inherited by algorithms with fixed block size.
Definition: seckey.h:34
Classes and functions for implementing secret key algorithms.
Inherited by algorithms with fixed number of rounds.
Definition: seckey.h:47
Inherited by keyed algorithms with variable key length.
Definition: seckey.h:157
Serpent block cipher information.
Definition: serpent.h:16
Provides a base implementation of Algorithm and SimpleKeyingInterface for block ciphers.
Definition: seckey.h:303
Crypto++ library namespace.
Interface for retrieving values given their names.
Definition: cryptlib.h:277