SM4::Dec Class Reference

Decryption transformation. More...

#include <sm4.h>

Inheritance diagram for SM4::Dec:

Protected Member Functions
void	ProcessAndXorBlock (const byte *inBlock, const byte *xorBlock, byte *outBlock) const
Protected Member Functions inherited from SM4::Base
void	UncheckedSetKey (const byte *userKey, unsigned int keyLength, const NameValuePairs &params)

Additional Inherited Members
Public Member Functions inherited from BlockCipherImpl< SM4_Info >
unsigned int	BlockSize () const
Public Member Functions inherited from AlgorithmImpl< BASE, ALGORITHM_INFO >
std::string	AlgorithmName () const
	The algorithm name.
Static Public Member Functions inherited from AlgorithmImpl< BASE, ALGORITHM_INFO >
static std::string CRYPTOPP_API	StaticAlgorithmName ()
	The algorithm name.
Protected Attributes inherited from SM4::Base
SecBlock< word32, AllocatorWithCleanup< word32 > >	m_rkeys
SecBlock< word32, AllocatorWithCleanup< word32 > >	m_wspace

Detailed Description

Decryption transformation.

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

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

Since

Crypto++ 6.0

Definition at line 84 of file sm4.h.

Member Function Documentation

ProcessAndXorBlock()

void SM4::Dec::ProcessAndXorBlock ( const byte *  inBlock, const byte *  xorBlock, byte *  outBlock  ) const

protected

Definition at line 167 of file sm4.cpp.

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

• G:/work/subversion/scol-technologies/trunk/scol/plugins/security/cryptopp/sm4.h
• G:/work/subversion/scol-technologies/trunk/scol/plugins/security/cryptopp/sm4.cpp