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Clean code

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This commit is contained in:
Zhi Guan
2026-06-22 23:40:58 +08:00
parent 8ed5e266d1
commit 5581ad21b8
18 changed files with 1105 additions and 1150 deletions
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111
tests/secp256r1test.c
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@@ -165,6 +165,36 @@ static int test_secp256r1_modp(void)
return 1;
}
static int test_secp256r1_mod_zero(void)
{
secp256r1_t zero;
secp256r1_t r;
if (secp256r1_set_zero(zero) != 1) {
error_print();
return -1;
}
if (secp256r1_modp_neg(r, zero) != 1 || !secp256r1_is_zero(r)) {
error_print();
return -1;
}
if (secp256r1_modn_neg(r, zero) != 1 || !secp256r1_is_zero(r)) {
error_print();
return -1;
}
if (secp256r1_modp_inv(r, zero) != -1) {
error_print();
return -1;
}
if (secp256r1_modn_inv(r, zero) != -1) {
error_print();
return -1;
}
printf("%s() ok\n", __FUNCTION__);
return 1;
}
static int test_secp256r1_modn(void)
{
@@ -278,7 +308,10 @@ static int test_secp256r1_modn(void)
static int test_secp256r1_point_at_infinity(void)
{
SECP256R1_POINT P;
secp256r1_point_set_infinity(&P);
if (secp256r1_point_set_infinity(&P) != 1) {
error_print();
return -1;
}
if (!secp256r1_point_is_at_infinity(&P)) {
error_print();
@@ -316,7 +349,10 @@ static int test_secp256r1_point_set_xy(void)
return -1;
}
secp256r1_point_get_xy(&P, x1, y1);
if (secp256r1_point_get_xy(&P, x1, y1) != 1) {
error_print();
return -1;
}
if (secp256r1_cmp(x, x1) != 0
|| secp256r1_cmp(y, y1) != 0) {
@@ -353,8 +389,11 @@ static int test_secp256r1_point_dbl_add(void)
size_t len;
// test 2*G
secp256r1_point_dbl(&P, &SECP256R1_POINT_G);
secp256r1_point_get_xy(&P, x, y);
if (secp256r1_point_dbl(&P, &SECP256R1_POINT_G) != 1
|| secp256r1_point_get_xy(&P, x, y) != 1) {
error_print();
return -1;
}
secp256r1_point_print(stderr, 0, 4, "2*G", &P);
@@ -369,8 +408,11 @@ static int test_secp256r1_point_dbl_add(void)
}
// test 2*G + G
secp256r1_point_add(&Q, &P, &SECP256R1_POINT_G);
secp256r1_point_get_xy(&Q, x, y);
if (secp256r1_point_add(&Q, &P, &SECP256R1_POINT_G) != 1
|| secp256r1_point_get_xy(&Q, x, y) != 1) {
error_print();
return -1;
}
hex_to_bytes("5ecbe4d1a6330a44c8f7ef951d4bf165e6c6b721efada985fb41661bc6e7fd6c", 64, bytes, &len);
secp256r1_from_32bytes(x1, bytes);
@@ -407,8 +449,11 @@ static int test_secp256r1_point_mul(void)
bytes[31] = 3;
secp256r1_from_32bytes(k, bytes);
secp256r1_point_mul_generator(&P, k);
secp256r1_point_get_xy(&P, x, y); // 这个必须返回错误啊，否则没办法判断是否为无穷远点呢！
if (secp256r1_point_mul_generator(&P, k) != 1
|| secp256r1_point_get_xy(&P, x, y) != 1) {
error_print();
return -1;
}
hex_to_bytes(secp256r1_x_3G, 64, bytes, &len);
secp256r1_from_32bytes(x1, bytes);
@@ -424,7 +469,10 @@ static int test_secp256r1_point_mul(void)
hex_to_bytes(secp256r1_n, 64, bytes, &len);
secp256r1_from_32bytes(k, bytes);
secp256r1_point_mul_generator(&P, k);
if (secp256r1_point_mul_generator(&P, k) != 1) {
error_print();
return -1;
}
if (secp256r1_point_is_at_infinity(&P) != 1) {
error_print();
@@ -442,7 +490,10 @@ static int test_secp256r1_point_to_uncompressed_octets(void)
uint8_t octets[65];
secp256r1_point_copy(&P, &SECP256R1_POINT_G);
if (secp256r1_point_copy(&P, &SECP256R1_POINT_G) != 1) {
error_print();
return -1;
}
if (secp256r1_point_to_uncompressed_octets(&P, octets) != 1) {
error_print();
@@ -458,18 +509,58 @@ static int test_secp256r1_point_to_uncompressed_octets(void)
return 1;
}
static int test_secp256r1_point_infinity_edges(void)
{
SECP256R1_POINT P;
SECP256R1_POINT Q;
SECP256R1_POINT R;
secp256r1_t x;
secp256r1_t y;
uint8_t octets[65];
if (secp256r1_point_neg(&Q, &SECP256R1_POINT_G) != 1
|| secp256r1_point_add(&R, &SECP256R1_POINT_G, &Q) != 1) {
error_print();
return -1;
}
if (secp256r1_point_is_at_infinity(&R) != 1) {
error_print();
return -1;
}
if (secp256r1_point_get_xy(&R, x, y) != -1) {
error_print();
return -1;
}
if (secp256r1_point_to_uncompressed_octets(&R, octets) != -1) {
error_print();
return -1;
}
if (secp256r1_point_set_infinity(&P) != 1
|| secp256r1_point_equ(&P, &R) != 1
|| secp256r1_point_equ(&P, &SECP256R1_POINT_G) != 0) {
error_print();
return -1;
}
printf("%s() ok\n", __FUNCTION__);
return 1;
}
int main(void)
{
if (test_secp256r1() != 1) goto err;
if (test_secp256r1_modp() != 1) goto err;
if (test_secp256r1_modn() != 1) goto err;
if (test_secp256r1_mod_zero() != 1) goto err;
if (test_secp256r1_point_at_infinity() != 1) goto err;
if (test_secp256r1_point_is_on_curve() != 1) goto err;
if (test_secp256r1_point_set_xy() != 1) goto err;
if (test_secp256r1_point_dbl_add() != 1) goto err;
if (test_secp256r1_point_mul() != 1) goto err;
if (test_secp256r1_point_to_uncompressed_octets() != 1) goto err;
if (test_secp256r1_point_infinity_edges() != 1) goto err;
printf("%s all tests passed\n", __FILE__);