---

wake.h

#ifndef CRYPTOPP_WAKE_H
#define CRYPTOPP_WAKE_H

#include "cryptlib.h"
#include "misc.h"
#include "filters.h"

NAMESPACE_BEGIN(CryptoPP)

class WAKE
{
protected:
        inline word32 M(word32 x, word32 y);
        inline word32 enc(word32 V);
        inline word32 dec(word32 V);
        void genkey(word32 k0, word32 k1, word32 k2, word32 k3);

        word32 t[257];
        word32 r3, r4, r5, r6;
};

class WAKEEncryption : public Filter, protected WAKE, public FixedKeyLength<32>
{
public:
        WAKEEncryption(const byte *key, BufferedTransformation *outQueue = NULL);

        void Put(byte inByte)
        {
                if (inbufSize==INBUFMAX)
                        ProcessInbuf();
                inbuf[inbufSize++] = inByte;
        }

        void Put(const byte *inString, unsigned int length);
        void MessageEnd(int propagation=-1);

protected:
        virtual void ProcessInbuf();
        enum {INBUFMAX=256};
        SecByteBlock inbuf;
        unsigned int inbufSize;
};

class WAKEDecryption : public WAKEEncryption
{
public:
        WAKEDecryption(const byte *key, BufferedTransformation *outQueue = NULL)
                : WAKEEncryption(key, outQueue) {lastBlock=false;}

        void MessageEnd(int propagation=-1);

protected:
        virtual void ProcessInbuf();
        bool lastBlock;
};

NAMESPACE_END

#endif

---