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Create elliptic.h

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paul-wu
2015-05-15 02:31:59 +08:00
parent 87589ac0bb
commit d33dba5d1c
1 changed files with 76 additions and 0 deletions
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elliptic.h Normal file
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#include<stdio.h>
#include<malloc.h>
#include<math.h>
//define structure of element in finite fields
typedef struct fpoint{
int x,y;
}FPOINT;
//define curve
typedef struct curve{
FPOINT * A, * B;
}CURVE;
//define point in curve
typedef struct point{
FPOINT * x, * y;
}POINT;
FPOINT * ZERO, * ONE;//zero element in field
POINT * O;//infinte point
FPOINT * newfpoint(int x, int y);
POINT * newpoint(int a, int b, int c, int d);
CURVE * newcurve(FPOINT * A, FPOINT * B);
void freepoint(POINT * a);
int ABS(int a, int p);
int gcdEx(int a, int b, int *x, int *y);
int inver(int a, int p);
bool equl(FPOINT * a, FPOINT * b);
bool equln(FPOINT * a, FPOINT * b, int p);
bool pequl(POINT * a, POINT * b);
FPOINT * fneg(FPOINT * a, int p, FPOINT * result);
FPOINT * fadd(FPOINT * a, FPOINT * b, int p, FPOINT * result);
FPOINT * fminus(FPOINT * a, FPOINT * b, int p, FPOINT * result);
FPOINT * fmulti(FPOINT * a, FPOINT * b, int p, FPOINT * result);
FPOINT * assign(FPOINT * a, FPOINT * b);
FPOINT * fpower(FPOINT * a, int n, int p, FPOINT * result);
FPOINT * inverse(FPOINT * a, int p, FPOINT * result);
FPOINT * fnmulti(FPOINT * a, int b, int p, FPOINT * result);
POINT * passign(POINT * a, POINT * b);
bool testpoint(POINT * p, CURVE * c, int p1);
void showpoint(POINT * p);
POINT * pneg(POINT * a, int p, POINT * result);
POINT * add(POINT * p1, POINT * p2, CURVE * c, int p, POINT * result);
POINT * minus(POINT * p1, POINT * p2, CURVE * c, int p, POINT * result);
POINT * ppower(POINT * a, int n, CURVE * c, int p, POINT * result);