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/*
* ecgen, tool for generating Elliptic curve domain parameters
* Copyright (C) 2017 J08nY
*/
#include <criterion/criterion.h>
#include <criterion/parameterized.h>
#include "exhaustive/brainpool.h"
#include "gen/seed.h"
#include "test/io.h"
#include "util/bits.h"
#include "util/memory.h"
TestSuite(brainpool, .init = io_setup, .fini = io_teardown);
Test(brainpool, test_brainpool_seed_random) {
curve_t curve = {0};
cfg->bits = 256;
int ret = brainpool_gen_seed_random(&curve, NULL, OFFSET_SEED);
cr_assert_eq(ret, 1, );
cr_assert_not_null(curve.seed, );
seed_free(&curve.seed);
}
Test(brainpool, test_brainpool_seed_argument) {
curve_t curve = {0};
char *seed = "abcdefabcdefabcdefabcdefabcdefabcdefabcd";
cfg->seed = seed;
cfg->bits = 256;
int ret = brainpool_gen_seed_argument(&curve, NULL, OFFSET_SEED);
cr_assert_eq(ret, 1, );
cr_assert_not_null(curve.seed, );
char *hex = bits_to_hex(curve.seed->seed);
cr_assert_str_eq(hex, seed, );
try_free(hex);
seed_free(&curve.seed);
}
Test(brainpool, test_brainpool_seed_input) {
curve_t curve = {0};
char *seed = "abcdefabcdefabcdefabcdefabcdefabcdefabcd";
cfg->bits = 256;
fprintf(write_in, "%s\n", seed);
int ret = brainpool_gen_seed_input(&curve, NULL, OFFSET_SEED);
cr_assert_eq(ret, 1, );
cr_assert_not_null(curve.seed, );
char *hex = bits_to_hex(curve.seed->seed);
cr_assert_str_eq(hex, seed, );
try_free(hex);
seed_free(&curve.seed);
}
Test(brainpool, test_brainpool_seed_input_short) {
curve_t curve = {0};
char *seed = "abcdef";
fprintf(write_in, "%s\n", seed);
int ret = brainpool_gen_seed_input(&curve, NULL, OFFSET_SEED);
cr_assert_eq(ret, 0, );
}
Test(brainpool, test_brainpool_field) {
curve_t curve = {0};
char *seed = "abcdefabcdefabcdefabcdefabcdefabcdefabcd";
cfg->seed = seed;
cfg->bits = 256;
brainpool_gen_seed_argument(&curve, NULL, OFFSET_SEED);
int ret = brainpool_gen_field(&curve, NULL, OFFSET_FIELD);
cr_assert_eq(ret, 1, );
cr_assert_not_null(curve.field, );
cr_assert(isprime(curve.field), );
cr_assert_eq(mod4(curve.field), 3, );
}
Test(brainpool, test_brainpool_equation) {
curve_t curve = {0};
char *seed = "abcdefabcdefabcdefabcdefabcdefabcdefabcd";
cfg->seed = seed;
cfg->bits = 256;
brainpool_gen_seed_argument(&curve, NULL, OFFSET_SEED);
char *prime =
"caa002c44829499e8239f049bddcaca373258a175fa337a82e0521744392cff1";
bits_t *prime_bits = bits_from_hex(prime);
curve.field = bits_to_i(prime_bits);
bits_free(&prime_bits);
int ret = brainpool_gen_equation(&curve, NULL, OFFSET_B);
cr_assert_eq(ret, 1, );
}
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