Crypto++  5.6.3
Free C++ class library of cryptographic schemes
square.h
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1 // square.h - written and placed in the public domain by Wei Dai
2 
3 //! \file square.h
4 //! \brief Classes for the Square block cipher
5 
6 #ifndef CRYPTOPP_SQUARE_H
7 #define CRYPTOPP_SQUARE_H
8 
9 #include "seckey.h"
10 #include "secblock.h"
11 
12 NAMESPACE_BEGIN(CryptoPP)
13 
14 //! _
15 struct Square_Info : public FixedBlockSize<16>, public FixedKeyLength<16>, FixedRounds<8>
16 {
17  static const char *StaticAlgorithmName() {return "Square";}
18 };
19 
20 /// <a href="http://www.weidai.com/scan-mirror/cs.html#Square">Square</a>
22 {
23  class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<Square_Info>
24  {
25  public:
26  void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs &params);
27 
28  protected:
30  };
31 
32  class CRYPTOPP_NO_VTABLE Enc : public Base
33  {
34  public:
35  void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
36  private:
37  static const byte Se[256];
38  static const word32 Te[4][256];
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  private:
46  static const byte Sd[256];
47  static const word32 Td[4][256];
48  };
49 
50 public:
53 };
54 
57 
58 NAMESPACE_END
59 
60 #endif
Inherited by keyed algorithms with fixed key length.
Definition: seckey.h:113
Provides Encryption and Decryption typedefs used by derived classes to implement a block cipher...
Definition: seckey.h:385
Square
Definition: square.h:21
Interface for one direction (encryption or decryption) of a block cipher.
Definition: cryptlib.h:1013
Classes and functions for secure memory allocations.
Inherited by block ciphers with fixed block size.
Definition: seckey.h:34
Classes and functions for implementing secret key algorithms.
Inherited by ciphers with fixed number of rounds.
Definition: seckey.h:47
Provides class member functions to access BlockCipher constants.
Definition: seckey.h:292
Crypto++ library namespace.
Interface for retrieving values given their names.
Definition: cryptlib.h:261