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unit: added test for vli_legendre

This commit is contained in:
James Prestwood 2018-08-07 14:29:18 -07:00 committed by Denis Kenzior
parent f68cca43da
commit 99d1e0595e
1 changed files with 67 additions and 2 deletions
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69
unit/test-ecc.c
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@ -24,7 +24,8 @@ enum ecc_test_type {
TEST_INV,
TEST_EXP,
TEST_POINT_ADD,
TEST_SCALAR_MULT
TEST_SCALAR_MULT,
TEST_LEGENDRE,
};
struct ecc_test_data {
@ -32,8 +33,13 @@ struct ecc_test_data {
/* basic math arguments/result */
char *a;
char *b;
char *qr;
char *qnr;
char *r;
bool is_residue;
char *mod;
char *result;
int lres;
/* point operations */
char *scalar;
char *ax, *ay;
@ -103,6 +109,53 @@ struct ecc_test_data exp_test = {
};
struct ecc_test_data legendre_test1 = {
.type = TEST_LEGENDRE,
.a = "b59c0c366aa89ba229f857190497261d5a0a7a0a774caa72aef041ff00092447",
.mod = "ffffffff00000001000000000000000000000000ffffffffffffffffffffffff",
.lres = -1
};
struct ecc_test_data legendre_test2 = {
.type = TEST_LEGENDRE,
.a = "1214f9607d348c998b3fba332d884d65945561fd007ff56d8bf603148d74d2e4",
.mod = "ffffffff000000010000000000000000"
"00000000ffffffffffffffffffffffff",
.lres = 1
};
struct ecc_test_data legendre_test3 = {
.type = TEST_LEGENDRE,
.a = "282d751c898bfc593b1d21b6812df48e3ec811f40349b30b7294575c47b871d8",
.mod = "ffffffff000000010000000000000000"
"00000000ffffffffffffffffffffffff",
.lres = 1
};
struct ecc_test_data legendre_test4 = {
.type = TEST_LEGENDRE,
.a = "0694ccde1db3d02faa26856678bd9358ecc0d82791405eb3892a8b4f07f1e5d6",
.mod = "ffffffff000000010000000000000000"
"00000000ffffffffffffffffffffffff",
.lres = -1
};
struct ecc_test_data legendre_test5 = {
.type = TEST_LEGENDRE,
.a = "92247f96df65a6d04af0c57318e999fd493c42864d156f7e5bba75c964f3c6b0",
.mod = "ffffffff000000010000000000000000"
"00000000ffffffffffffffffffffffff",
.lres = 1
};
struct ecc_test_data legendre_test6 = {
.type = TEST_LEGENDRE,
.a = "084f7eb6ed8021d095787fd401b0f19b13937dc23f7c84dfe69bb9a204bb3768",
.mod = "ffffffff000000010000000000000000"
"00000000ffffffffffffffffffffffff",
.lres = -1
};
struct ecc_test_data point_add_test = {
.type = TEST_POINT_ADD,
.ax = "d36b6768a3279fbe23a5bf5cc19b13354"
@ -142,6 +195,7 @@ static void run_test(const void *arg)
scalar[NUM_ECC_DIGITS], result[NUM_ECC_DIGITS],
check[NUM_ECC_DIGITS];
struct ecc_point point1, point2, point_ret;
int lres;
memset(result, 0, sizeof(result));
@ -201,6 +255,9 @@ static void run_test(const void *arg)
case TEST_EXP:
vli_mod_exp(result, a, b, mod);
break;
case TEST_LEGENDRE:
lres = vli_legendre(a, mod);
break;
case TEST_POINT_ADD:
assert(ecc_valid_point(&point1) == true);
assert(ecc_valid_point(&point2) == true);
@ -221,7 +278,7 @@ static void run_test(const void *arg)
HEX2BUF(data->result, check);
ecc_native2be(check);
assert(memcmp(result, check, 32) == 0);
} else {
} else if (data->type <= TEST_SCALAR_MULT) {
uint64_t checkx[NUM_ECC_DIGITS];
uint64_t checky[NUM_ECC_DIGITS];
@ -234,6 +291,8 @@ static void run_test(const void *arg)
assert(memcmp(checky, point_ret.y, 32) == 0);
assert(ecc_valid_point(&point_ret) == true);
} else if (data->type == TEST_LEGENDRE) {
assert(data->lres == lres);
}
}
@ -249,6 +308,12 @@ int main(int argc, char *argv[])
l_test_add("ECC exp test", run_test, &exp_test);
l_test_add("ECC point add test", run_test, &point_add_test);
l_test_add("ECC point mult test", run_test, &point_mult_test);
l_test_add("ECC legendre", run_test, &legendre_test1);
l_test_add("ECC legendre", run_test, &legendre_test2);
l_test_add("ECC legendre", run_test, &legendre_test3);
l_test_add("ECC legendre", run_test, &legendre_test4);
l_test_add("ECC legendre", run_test, &legendre_test5);
l_test_add("ECC legendre", run_test, &legendre_test6);
return l_test_run();
}