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/*
* ecgen, tool for generating Elliptic curve domain parameters
* Copyright (C) 2017 J08nY
*/
/**
* @file point.h
*/
#ifndef ECGEN_POINT_H
#define ECGEN_POINT_H
#include <pari/pari.h>
#include "types.h"
/**
*
* @return
*/
point_t *point_new(void);
/**
*
* @param src
* @param dest
* @return
*/
point_t *point_copy(point_t *src, point_t *dest);
/**
*
* @param point
*/
void point_free(point_t **point);
/**
*
* @param num
* @return
*/
point_t **points_new(size_t num);
/**
*
* @param src
* @param dest
* @param num
* @return
*/
point_t **points_copy(point_t **src, point_t **dest, size_t num);
/**
*
* @param point
*/
void points_free(point_t ***point);
/**
*
* @param points
* @param npoints
*/
void points_free_deep(point_t ***points, size_t npoints);
/**
* GENERATOR(gen_t)
*
* @param curve
* @param config
* @param args unused
* @return state diff
*/
int point_random(curve_t *curve, config_t *cfg, arg_t *args);
/**
* GENERATOR(gen_t)
*
* @param curve
* @param config
* @param args size_t number of points to generate
* @return state diff
*/
int points_random(curve_t *curve, config_t *cfg, arg_t *args);
/**
* GENERATOR(gen_t)
* Generates prime order points using trial division.
* The supplied arg is of format:
*
* pari_ulong *args->args primes
* size_t args->nargs length of primes
*
* Assumes the primes divide curve order, thus that points with all
* prime orders specified exist.
*
* @param curve
* @param config
* @param args
* @return state diff
*/
int points_trial(curve_t *curve, config_t *cfg, arg_t *args);
/**
* GENERATOR(gen_t)
*
* Cauchy:
* Let G be a finite group and p be a prime. If p divides the order of G, then
* G has an element of order p.
*
* @param curve
* @param config
* @param args
* @return state diff
*/
int points_prime(curve_t *curve, config_t *cfg, arg_t *args);
#endif // ECGEN_POINT_H
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