Files
Weil-Pairing/elliptic.h
2015-05-18 15:51:53 +08:00

106 lines
2.3 KiB
C

#include<stdio.h>
#include<malloc.h>
#include<math.h>
#include<time.h>
#define lint long long
//define structure of element in finite fields
typedef struct fpoint{
lint x,y;
}FPOINT;
//define curve
typedef struct curve{
FPOINT * A, * B;
lint p;
}CURVE;
//define point in curve
typedef struct point{
FPOINT * x, * y;
}POINT;
void init();
lint modsquareroot(lint a, lint p);
bool testpoint(POINT * p, CURVE * c, lint p1);
POINT * randompoint(CURVE * c, lint p);
CURVE * curveassign(CURVE * a, CURVE * b);
POINT * phi(POINT * a, lint p, POINT * result);
FPOINT * newfpoint(lint x, lint y);
POINT * newpoint(lint a, lint b, lint c, lint d);
CURVE * newcurve(lint A, lint B);
void freepoint(POINT * a);
lint ABS(lint a, lint p);
lint gcdEx(lint a, lint b, lint *x, lint *y);
lint inver(lint a, lint p);
lint randonsafeprime(lint n);
bool equl(FPOINT * a, FPOINT * b);
bool equln(FPOINT * a, FPOINT * b, lint p);
bool pequl(POINT * a, POINT * b);
FPOINT * fneg(FPOINT * a, lint p, FPOINT * result);
FPOINT * fadd(FPOINT * a, FPOINT * b, lint p, FPOINT * result);
FPOINT * fminus(FPOINT * a, FPOINT * b, lint p, FPOINT * result);
FPOINT * fmulti(FPOINT * a, FPOINT * b, lint p, FPOINT * result);
FPOINT * assign(FPOINT * a, FPOINT * b);
FPOINT * fpower(FPOINT * a, lint n, lint p, FPOINT * result);
FPOINT * inverse(FPOINT * a, lint p, FPOINT * result);
FPOINT * fnmulti(FPOINT * a, lint b, lint p, FPOINT * result);
POINT * passign(POINT * a, POINT * b);
bool testpoint(POINT * p, CURVE * c, lint p1);
void showpoint(POINT * p);
POINT * pneg(POINT * a, lint p, POINT * result);
POINT * add(POINT * p1, POINT * p2, CURVE * c, lint p, POINT * result);
POINT * minus(POINT * p1, POINT * p2, CURVE * c, lint p, POINT * result);
POINT * ppower(POINT * a, lint n, CURVE * c, lint p, POINT * result);
bool millerrabin(lint n, lint r);
lint findorder(POINT * po, CURVE * c, lint p);
bool evaluelinedivi(POINT * a, POINT * b, POINT * in, CURVE * c, lint p, FPOINT * result);
bool evaluelinedivi(POINT * a, POINT * b, POINT * in, CURVE * c, lint p, FPOINT * result);
bool miller(POINT * a, POINT * b, CURVE * c, lint p, lint m, FPOINT * f);
lint findorder(POINT * po, CURVE * c, lint p);
bool weilpairing(POINT * a, POINT * b, CURVE * c, lint p, lint n ,FPOINT * result);