djnparty.h

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#ifndef __DJNPARTY_H__
#define __DJNPARTY_H__

#include <gmp.h>
#include <vector>
#include "../util/typedefs.h"
#include "../util/socket.h"
#include "../util/djn.h"
#include "../util/powmod.h"

using namespace std;

class DJNParty {
public:
    DJNParty(UINT DJNbits, UINT sharelen);
    DJNParty(UINT DJNbits, UINT sharelen, CSocket sock);
    ~DJNParty();

    void keyExchange(CSocket sock);
    void preCompBench(BYTE * bA, BYTE * bB, BYTE * bC, BYTE * bA1, BYTE * bB1, BYTE * bC1, UINT numMTs, CSocket sock);

    void setSharelLength(UINT sharelen);

    void keyGen();

private:
    USHORT m_nNumMTThreads;
    USHORT m_nShareLength;
    UINT m_nDJNbits;
    UINT m_nBuflen;

    // Crypto and GMP PRNG
    djn_pubkey_t *m_localpub, *m_remotepub;
    djn_prvkey_t *m_prv;
    gmp_randstate_t m_randstate;

    void benchPreCompPacking1(CSocket sock, BYTE * buf, UINT packlen, UINT numshares, mpz_t * a, mpz_t * b, mpz_t * c, mpz_t * a1, mpz_t * b1, mpz_t * c1, mpz_t r, mpz_t x,
            mpz_t y, mpz_t z);

    void sendmpz_t(mpz_t t, CSocket sock, BYTE * buf);
    void receivempz_t(mpz_t t, CSocket sock, BYTE * buf);

    void sendmpz_t(mpz_t t, CSocket sock);
    void receivempz_t(mpz_t t, CSocket sock);

    void printBuf(BYTE* b, UINT l);

};

#endif //__DJN_PARTY_H__