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#include <cybozu/test.hpp>
#include <bls/bls.h>
#include <string.h>
void bls_use_stackTest()
{
blsSecretKey sec;
blsPublicKey pub;
blsSignature sig;
const char *msg = "this is a pen";
const size_t msgSize = strlen(msg);
blsSecretKeySetByCSPRNG(&sec);
blsGetPublicKey(&pub, &sec);
blsSign(&sig, &sec, msg, msgSize);
CYBOZU_TEST_ASSERT(blsVerify(&sig, &pub, msg, msgSize));
}
void blsDataTest()
{
const char *msg = "test test";
const size_t msgSize = strlen(msg);
const size_t fpSize = blsGetOpUnitSize() * sizeof(uint64_t);
blsSecretKey sec1, sec2;
blsSecretKeySetByCSPRNG(&sec1);
char buf[1024];
size_t n;
int ret;
n = blsSecretKeyGetHexStr(buf, sizeof(buf), &sec1);
CYBOZU_TEST_ASSERT(0 < n && n <= fpSize * 2);
ret = blsSecretKeySetHexStr(&sec2, buf, n);
CYBOZU_TEST_EQUAL(ret, 0);
CYBOZU_TEST_ASSERT(blsSecretKeyIsEqual(&sec1, &sec2));
blsPublicKey pub1, pub2;
blsGetPublicKey(&pub1, &sec1);
n = blsPublicKeySerialize(buf, sizeof(buf), &pub1);
CYBOZU_TEST_EQUAL(n, fpSize * 2);
ret = blsPublicKeyDeserialize(&pub2, buf, n);
CYBOZU_TEST_EQUAL(ret, 0);
CYBOZU_TEST_ASSERT(blsPublicKeyIsEqual(&pub1, &pub2));
blsSignature sig1, sig2;
blsSign(&sig1, &sec1, msg, msgSize);
n = blsSignatureSerialize(buf, sizeof(buf), &sig1);
CYBOZU_TEST_EQUAL(n, fpSize);
ret = blsSignatureDeserialize(&sig2, buf, n);
CYBOZU_TEST_EQUAL(ret, 0);
CYBOZU_TEST_ASSERT(blsSignatureIsEqual(&sig1, &sig2));
}
void blsOrderTest(const char *curveOrder, const char *fieldOrder)
{
char buf[1024];
size_t len;
len = blsGetCurveOrder(buf, sizeof(buf));
CYBOZU_TEST_ASSERT(len > 0);
CYBOZU_TEST_EQUAL(buf, curveOrder);
len = blsGetFieldOrder(buf, sizeof(buf));
CYBOZU_TEST_ASSERT(len > 0);
CYBOZU_TEST_EQUAL(buf, fieldOrder);
}
CYBOZU_TEST_AUTO(all)
{
const int tbl[] = {
blsCurveFp254BNb,
#if BLS_FP_UNIT_SIZE == 6
blsCurveFp382_1,
blsCurveFp382_2
#endif
};
const char *curveOrderTbl[] = {
"16798108731015832284940804142231733909759579603404752749028378864165570215949",
"5540996953667913971058039301942914304734176495422447785042938606876043190415948413757785063597439175372845535461389",
"5541245505022739011583672869577435255026888277144126952448297309161979278754528049907713682488818304329661351460877",
};
const char *fieldOrderTbl[] = {
"16798108731015832284940804142231733909889187121439069848933715426072753864723",
"5540996953667913971058039301942914304734176495422447785045292539108217242186829586959562222833658991069414454984723",
"5541245505022739011583672869577435255026888277144126952450651294188487038640194767986566260919128250811286032482323",
};
for (size_t i = 0; i < sizeof(tbl) / sizeof(tbl[0]); i++) {
printf("i=%d\n", (int)i);
blsInit(tbl[i], BLS_FP_UNIT_SIZE);
bls_use_stackTest();
blsDataTest();
blsOrderTest(curveOrderTbl[i], fieldOrderTbl[i]);
}
}
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