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Second step in converting to C: field

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This commit is contained in:
Pieter Wuille
2013-03-30 22:32:16 +01:00
parent e6d142a8dc
commit 910d0de4e4
9 changed files with 558 additions and 545 deletions
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15
tests.cpp
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@@ -13,8 +13,8 @@ using namespace secp256k1;
void test_run_ecmult_chain() {
// random starting point A (on the curve)
FieldElem ax; ax.SetHex("8b30bbe9ae2a990696b22f670709dff3727fd8bc04d3362c6c7bf458e2846004");
FieldElem ay; ay.SetHex("a357ae915c4a65281309edf20504740f0eb3343990216b4f81063cb65f2f7e0f");
secp256k1_fe_t ax; secp256k1_fe_set_hex(&ax, "8b30bbe9ae2a990696b22f670709dff3727fd8bc04d3362c6c7bf458e2846004", 64);
secp256k1_fe_t ay; secp256k1_fe_set_hex(&ay, "a357ae915c4a65281309edf20504740f0eb3343990216b4f81063cb65f2f7e0f", 64);
GroupElemJac a(ax,ay);
// two random initial factors xn and gn
secp256k1_num_t xn;
@@ -85,13 +85,15 @@ void test_point_times_order(const GroupElemJac &point) {
}
void test_run_point_times_order() {
FieldElem x; x.SetHex("02");
secp256k1_fe_t x; secp256k1_fe_set_hex(&x, "02", 2);
for (int i=0; i<500; i++) {
GroupElemJac j; j.SetCompressed(x, true);
test_point_times_order(j);
x.SetSquare(x);
secp256k1_fe_sqr(&x, &x);
}
assert(x.ToString() == "7603CB59B0EF6C63FE6084792A0C378CDB3233A80F8A9A09A877DEAD31B38C45"); // 0x02 ^ (2^500)
char c[65]; int cl=65;
secp256k1_fe_get_hex(c, &cl, &x);
assert(strcmp(c, "7603CB59B0EF6C63FE6084792A0C378CDB3233A80F8A9A09A877DEAD31B38C45") == 0);
}
void test_wnaf(const secp256k1_num_t &number, int w) {
@@ -173,10 +175,13 @@ void test_run_ecdsa_sign_verify() {
int main(void) {
secp256k1_num_start();
secp256k1_fe_start();
test_run_wnaf();
test_run_point_times_order();
test_run_ecmult_chain();
test_run_ecdsa_sign_verify();
secp256k1_fe_stop();
return 0;
}