Crypto++  8.1
Free C++ class library of cryptographic schemes
List of all members
SM4::Dec Class Reference

Encryption transformation. More...

+ Inheritance diagram for SM4::Dec:

Additional Inherited Members

- Public Member Functions inherited from BlockCipherImpl< SM4_Info >
unsigned int BlockSize () const
 Provides the block size of the algorithm. More...
 
- Public Member Functions inherited from AlgorithmImpl< SimpleKeyingInterfaceImpl< TwoBases< BlockCipher, SM4_Info > > >
std::string AlgorithmName () const
 The algorithm name. More...
 
- Public Member Functions inherited from SimpleKeyingInterfaceImpl< TwoBases< BlockCipher, SM4_Info > >
size_t MinKeyLength () const
 The minimum key length used by the algorithm. More...
 
size_t MaxKeyLength () const
 The maximum key length used by the algorithm. More...
 
size_t DefaultKeyLength () const
 The default key length used by the algorithm. More...
 
size_t GetValidKeyLength (size_t keylength) const
 Provides a valid key length for the algorithm. More...
 
SimpleKeyingInterface::IV_Requirement IVRequirement () const
 The default IV requirements for the algorithm. More...
 
unsigned int IVSize () const
 The initialization vector length for the algorithm. More...
 
- Static Public Member Functions inherited from AlgorithmImpl< SimpleKeyingInterfaceImpl< TwoBases< BlockCipher, SM4_Info > > >
static std::string StaticAlgorithmName ()
 The algorithm name. More...
 

Detailed Description

Encryption transformation.

Dec provides implementation for decryption transformation. All key sizes are supported.

SM4 encryption is accelerated on machines with AES-NI. Decryption is not acclerated because it is not profitable. Thanks to Markku-Juhani Olavi Saarinen.

Since
Crypto++ 6.0

Definition at line 84 of file sm4.h.


The documentation for this class was generated from the following files: