aria.h

Go to the documentation of this file.

// aria.h - written and placed in the public domain by Jeffrey Walton
 
 
#ifndef CRYPTOPP_ARIA_H
#define CRYPTOPP_ARIA_H
 
#include "config.h"
#include "seckey.h"
#include "secblock.h"
 
NAMESPACE_BEGIN(CryptoPP)
 
 
struct ARIA_Info : public FixedBlockSize<16>, public VariableKeyLength<16, 16, 32, 8>
{
        CRYPTOPP_STATIC_CONSTEXPR const char* StaticAlgorithmName() {return "ARIA";}
};
 
class ARIA : public ARIA_Info, public BlockCipherDocumentation
{
public:
        class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<ARIA_Info>
        {
        public:
                Base() : m_rounds(0) {}
 
        protected:
                void UncheckedSetKey(const byte *key, unsigned int keylen, const NameValuePairs &params);
                void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
 
        private:
                // Reference implementation allocates a table of 17 round keys.
                typedef SecBlock<byte, AllocatorWithCleanup<byte, true> >     AlignedByteBlock;
                typedef SecBlock<word32, AllocatorWithCleanup<word32, true> > AlignedWordBlock;
 
                AlignedByteBlock  m_rk;  // round keys
                AlignedWordBlock  m_w;   // w0, w1, w2, w3, t and u
                unsigned int m_rounds;
        };
 
public:
        typedef BlockCipherFinal<ENCRYPTION, Base> Encryption;
        typedef BlockCipherFinal<DECRYPTION, Base> Decryption;
};
 
typedef ARIA::Encryption ARIAEncryption;
typedef ARIA::Decryption ARIADecryption;
 
NAMESPACE_END
 
#endif