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/*
* ecgen, tool for generating Elliptic curve domain parameters
* Copyright (C) 2017 J08nY
*/
#include <criterion/criterion.h>
#include "gen/field.h"
#include "math/poly.h"
#include "misc/types.h"
#include "test/io.h"
TestSuite(field, .init = io_setup, .fini = io_teardown);
Test(field, test_field_gen_random_fp) {
curve_t curve = {0};
cfg->bits = 10;
cfg->prime_field = true;
cfg->field = FIELD_PRIME;
int ret = field_gen_random(&curve, NULL, OFFSET_FIELD);
cr_assert_eq(ret, 1, );
cr_assert_not_null(curve.field, );
cr_assert(gle(curve.field, int2n(cfg->bits)), );
}
Test(field, test_field_gen_random_f2m) {
curve_t curve = {0};
cfg->bits = 10;
cfg->binary_field = true;
cfg->field = FIELD_BINARY;
int ret = field_gen_random(&curve, NULL, OFFSET_FIELD);
cr_assert_eq(ret, 1, );
cr_assert_not_null(curve.field, );
GEN coeffs = FF_to_FpXQ(curve.field);
GEN vec = gtovec(coeffs);
GEN n = fromdigits(vec, stoi(2));
cr_assert(gle(n, int2n(cfg->bits)), );
}
Test(field, test_field_gen_input_fp) {
curve_t curve = {0};
cfg->bits = 10;
cfg->prime_field = true;
cfg->field = FIELD_PRIME;
unsigned int p = 5;
fprintf(write_in, "%u\n", p);
int ret = field_gen_input(&curve, NULL, OFFSET_FIELD);
cr_assert_eq(ret, 1, );
cr_assert_not_null(curve.field, );
cr_assert(gequal(stoi(p), curve.field), );
memset(&curve, 0, sizeof(curve_t));
p = 4;
fprintf(write_in, "%u\n", p);
ret = field_gen_input(&curve, NULL, OFFSET_FIELD);
cr_assert_eq(ret, 0, );
cr_assert_null(curve.field, );
memset(&curve, 0, sizeof(curve_t));
p = 2 << 11;
fprintf(write_in, "%u\n", p);
ret = field_gen_input(&curve, NULL, OFFSET_FIELD);
cr_assert_eq(ret, 0, );
cr_assert_null(curve.field, );
};
Test(field, test_field_gen_input_f2m) {
curve_t curve = {0};
cfg->bits = 10;
cfg->binary_field = true;
cfg->field = FIELD_BINARY;
unsigned int m = 9;
fprintf(write_in, "%u\n", m);
int ret = field_gen_input(&curve, NULL, OFFSET_FIELD);
cr_assert_eq(ret, 0, );
cr_assert_null(curve.field, );
memset(&curve, 0, sizeof(curve_t));
m = 10;
unsigned int e1 = 17;
fprintf(write_in, "%u\n%u\n", m, e1);
ret = field_gen_input(&curve, NULL, OFFSET_FIELD);
cr_assert_eq(ret, 0, );
cr_assert_null(curve.field, );
memset(&curve, 0, sizeof(curve_t));
e1 = 9;
unsigned int e2 = 17;
fprintf(write_in, "%u\n%u\n%u\n", m, e1, e2);
ret = field_gen_input(&curve, NULL, OFFSET_FIELD);
cr_assert_eq(ret, 0, );
cr_assert_null(curve.field, );
memset(&curve, 0, sizeof(curve_t));
e1 = 9;
e2 = 5;
unsigned int e3 = 17;
fprintf(write_in, "%u\n%u\n%u\n%u\n", m, e1, e2, e3);
ret = field_gen_input(&curve, NULL, OFFSET_FIELD);
cr_assert_eq(ret, 0, );
cr_assert_null(curve.field, );
memset(&curve, 0, sizeof(curve_t));
e1 = 0;
e2 = 0;
e3 = 0;
fprintf(write_in, "%u\n%u\n%u\n%u\n", m, e1, e2, e3);
ret = field_gen_input(&curve, NULL, OFFSET_FIELD);
cr_assert_eq(ret, 0, );
cr_assert_null(curve.field, );
memset(&curve, 0, sizeof(curve_t));
e1 = 4;
fprintf(write_in, "%u\n%u\n%u\n%u\n", m, e1, e2, e3);
ret = field_gen_input(&curve, NULL, OFFSET_FIELD);
cr_assert_eq(ret, 0, );
cr_assert_null(curve.field, );
memset(&curve, 0, sizeof(curve_t));
e1 = 3;
fprintf(write_in, "%u\n%u\n%u\n%u\n", m, e1, e2, e3);
ret = field_gen_input(&curve, NULL, OFFSET_FIELD);
cr_assert_eq(ret, 1, );
cr_assert_not_null(curve.field, );
GEN poly = poly_find_gen(m);
cr_assert(gequal(poly, curve.field), );
}
Test(field, test_field_gen_once_fp) {
curve_t curve = {0};
cfg->bits = 10;
cfg->prime_field = true;
cfg->field = FIELD_PRIME;
unsigned int p = 5;
fprintf(write_in, "%u\n", p);
int ret = field_gen_once(&curve, NULL, OFFSET_FIELD);
cr_assert_eq(ret, 1, );
cr_assert_not_null(curve.field, );
cr_assert(equalis(curve.field, p), );
memset(&curve, 0, sizeof(curve_t));
ret = field_gen_once(&curve, NULL, OFFSET_FIELD);
cr_assert_eq(ret, 1, );
cr_assert_not_null(curve.field, );
cr_assert(equalis(curve.field, p), );
field_quit();
}
Test(field, test_field_gen_once_f2m) {
curve_t curve = {0};
cfg->bits = 10;
cfg->binary_field = true;
cfg->field = FIELD_BINARY;
unsigned int m = 10;
unsigned int e1 = 3;
unsigned int e2 = 0;
unsigned int e3 = 0;
fprintf(write_in, "%u\n%u\n%u\n%u\n", m, e1, e2, e3);
int ret = field_gen_once(&curve, NULL, OFFSET_FIELD);
cr_assert_eq(ret, 1, );
cr_assert_not_null(curve.field, );
GEN poly = poly_find_gen(m);
cr_assert(gequal(poly, curve.field), );
memset(&curve, 0, sizeof(curve_t));
ret = field_gen_once(&curve, NULL, OFFSET_FIELD);
cr_assert_eq(ret, 1, );
cr_assert_not_null(curve.field, );
cr_assert(gequal(poly, curve.field), );
field_quit();
}
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