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Field storage type

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This commit is contained in:
Pieter Wuille
2015-01-24 23:04:48 -04:00
parent 7137be8110
commit ff889f7d90
6 changed files with 134 additions and 0 deletions
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37
src/tests.c
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@@ -627,6 +627,42 @@ int check_fe_inverse(const secp256k1_fe_t *a, const secp256k1_fe_t *ai) {
return check_fe_equal(&x, &one);
}
void run_field_convert(void) {
static const unsigned char b32[32] = {
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18,
0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29,
0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x40
};
static const char *c64 = "0001020304050607111213141516171822232425262728293334353637383940";
static const secp256k1_fe_storage_t fes = SECP256K1_FE_STORAGE_CONST(
0x00010203UL, 0x04050607UL, 0x11121314UL, 0x15161718UL,
0x22232425UL, 0x26272829UL, 0x33343536UL, 0x37383940UL
);
static const secp256k1_fe_t fe = SECP256K1_FE_CONST(
0x00010203UL, 0x04050607UL, 0x11121314UL, 0x15161718UL,
0x22232425UL, 0x26272829UL, 0x33343536UL, 0x37383940UL
);
secp256k1_fe_t fe2;
unsigned char b322[32];
char c642[64];
secp256k1_fe_storage_t fes2;
/* Check conversions to fe. */
CHECK(secp256k1_fe_set_b32(&fe2, b32));
CHECK(secp256k1_fe_equal_var(&fe, &fe2));
CHECK(secp256k1_fe_set_hex(&fe2, c64));
CHECK(secp256k1_fe_equal_var(&fe, &fe2));
secp256k1_fe_from_storage(&fe2, &fes);
CHECK(secp256k1_fe_equal_var(&fe, &fe2));
/* Check conversion from fe. */
secp256k1_fe_get_b32(b322, &fe);
CHECK(memcmp(b322, b32, 32) == 0);
secp256k1_fe_get_hex(c642, &fe);
CHECK(memcmp(c642, c64, 64) == 0);
secp256k1_fe_to_storage(&fes2, &fe);
CHECK(memcmp(&fes2, &fes, sizeof(fes)) == 0);
}
void run_field_misc(void) {
const unsigned char f32_5[32] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
@@ -1668,6 +1704,7 @@ int main(int argc, char **argv) {
run_field_inv_var();
run_field_inv_all_var();
run_field_misc();
run_field_convert();
run_sqr();
run_sqrt();