a portable and fast pairing-based cryptography library
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mcl/test/bn_test.cpp

191 lines
5.6 KiB

#define PUT(x) std::cout << #x "=" << x << std::endl;
#define CYBOZU_TEST_DISABLE_AUTO_RUN
#include <cybozu/benchmark.hpp>
cybozu::CpuClock clk;
#include <cybozu/test.hpp>
#include <mcl/bn256.hpp>
#include <cybozu/option.hpp>
using namespace mcl::bn256;
mcl::fp::Mode g_mode;
const struct TestSet {
mcl::bn::CurveParam cp;
struct G2 {
const char *aa;
const char *ab;
const char *ba;
const char *bb;
} g2;
struct G1 {
int a;
int b;
} g1;
const char *e;
} g_testSetTbl[] = {
{
mcl::bn::CurveFp254BNb,
{
"12723517038133731887338407189719511622662176727675373276651903807414909099441",
"4168783608814932154536427934509895782246573715297911553964171371032945126671",
"13891744915211034074451795021214165905772212241412891944830863846330766296736",
"7937318970632701341203597196594272556916396164729705624521405069090520231616",
},
{
-1, 1
},
"8118772341496577043438385328606447626730215814727396173233264007541007797690 "
"6742571767760762192519140673058087976840103832045324348366170860928670686713 "
"9727912590495366720378364920530546614235713408261568635512172059018197267630 "
"10180700148605185348549931182990442059136187839792856455707820203302941578832 "
"5054507763444412917986776641611331046146804026682679569910978464879371792565 "
"6917005519826733659554708445125877487590687705432214234949972860245110398023 "
"10448556317747236258066222816126375978842661908560317699736569642190930635294 "
"1516980358051268127904344653343215863076753141133525905743113718749531324025 "
"9794836735385959178744195210089532061310424844916928682580569566332541022353 "
"9375574834170998962484906689780052970915033987453510324648351251071086068423 "
"710778048594563655498360873129325895716179849942646859397874562033386335205 "
"10688745994254573144943003027511098295097561129365638275727908595677791826005"
},
{
mcl::bn::CurveSNARK1,
{
"15267802884793550383558706039165621050290089775961208824303765753922461897946",
"9034493566019742339402378670461897774509967669562610788113215988055021632533",
"644888581738283025171396578091639672120333224302184904896215738366765861164",
"20532875081203448695448744255224543661959516361327385779878476709582931298750",
},
{
1, 2
},
"15163392945550945552839911839294582974434771053565812675833291179413834896953 "
"20389211011850518572149982239826345669421868561029856883955740401696801984953 "
"17766795911013516700216709333389761327222334145011922123798810516425387779347 "
"6064163297423711021549973931984064750876944939004405231004441199168710504090 "
"296093106139306574860102680862436174771023602986903675151017278048818344347 "
"1573596951222456889652521728261836933382094474023551133585236991207205981715 "
"3511871642997169996730611220058787939468653751355351269812083879279936651479 "
"17848534184080172844395614793152774197360421729995967636680357250333093768504 "
"3273860031361637906105800996652640969711942192883181518057117446820546419132 "
"7212721189663231589365009629980400132745687533815732336503876102977912682966 "
"18569236611881855981733896549089319395087993987737891870319625215675547032585 "
"10088832670068482545658647976676953228519838542958787800193793260459700064172 "
},
};
CYBOZU_TEST_AUTO(size)
{
CYBOZU_TEST_EQUAL(sizeof(Fp), 32u);
CYBOZU_TEST_EQUAL(sizeof(Fp2), sizeof(Fp) * 2);
CYBOZU_TEST_EQUAL(sizeof(Fp6), sizeof(Fp) * 6);
CYBOZU_TEST_EQUAL(sizeof(Fp12), sizeof(Fp) * 12);
CYBOZU_TEST_EQUAL(sizeof(G1), sizeof(Fp) * 3);
CYBOZU_TEST_EQUAL(sizeof(G2), sizeof(Fp2) * 3);
}
void testSetStr(const TestSet& ts)
{
G2 Q0(Fp2(ts.g2.aa, ts.g2.ab), Fp2(ts.g2.ba, ts.g2.bb));
G2::setCompressedExpression();
G2 Q;
for (int i = 0; i < 10; i++) {
G2 R;
R.setStr(Q.getStr());
CYBOZU_TEST_EQUAL(Q, R);
G2::add(Q, Q, Q0);
}
}
void testMapToG1()
{
mcl::bn::MapTo<Fp> mapTo;
G1 g;
for (int i = 1; i < 10; i++) {
mapTo.calcG1(g, i);
}
if (BN::param.b == 2) {
CYBOZU_TEST_EXCEPTION(mapTo.calcG1(g, 0), cybozu::Exception);
CYBOZU_TEST_EXCEPTION(mapTo.calcG1(g, mapTo.c1), cybozu::Exception);
CYBOZU_TEST_EXCEPTION(mapTo.calcG1(g, -mapTo.c1), cybozu::Exception);
}
}
void testMapToG2()
{
mcl::bn::MapTo<Fp> mapTo;
G2 g;
for (int i = 1; i < 10; i++) {
mapTo.calcG2(g, i);
}
if (BN::param.b == 2) {
CYBOZU_TEST_EXCEPTION(mapTo.calcG2(g, 0), cybozu::Exception);
}
}
void test(const TestSet& ts)
{
G1 P(ts.g1.a, ts.g1.b);
G2 Q(Fp2(ts.g2.aa, ts.g2.ab), Fp2(ts.g2.ba, ts.g2.bb));
Fp12 e1;
BN::pairing(e1, Q, P);
Fp12 e2;
{
std::stringstream ss(ts.e);
ss >> e2;
// mpz_class x = BN::param.z;
// x = 2 * x * (6 * x * x + 3 * x + 1);
// Fp12::pow(e1, e1, x);
}
CYBOZU_TEST_EQUAL(e1, e2);
/*
ate-pairing on Haswell
miller loop : 700Kclk
final exp : 460Kclk
*/
#if 0
for (int i = 0; i < 100; i++) {
BN::pairing(e1, Q, P);
}
#else
CYBOZU_BENCH("pairing", BN::pairing, e1, Q, P); // 2.4Mclk
CYBOZU_BENCH("finalExp", BN::finalExp, e1, e1); // 1.3Mclk
#endif
}
CYBOZU_TEST_AUTO(naive)
{
for (size_t i = 0; i < CYBOZU_NUM_OF_ARRAY(g_testSetTbl); i++) {
const TestSet& ts = g_testSetTbl[i];
bn256init(ts.cp, g_mode);
testSetStr(ts);
testMapToG1();
testMapToG2();
test(ts);
}
int count = (int)clk.getCount();
if (count) {
printf("count=%d ", count);
clk.put();
}
}
int main(int argc, char *argv[])
try
{
cybozu::Option opt;
std::string mode;
opt.appendOpt(&mode, "auto", "m", ": mode(gmp/gmp_mont/llvm/llvm_mont/xbyak)");
if (!opt.parse(argc, argv)) {
opt.usage();
return 1;
}
g_mode = mcl::fp::StrToMode(mode);
return cybozu::test::autoRun.run(argc, argv);
} catch (std::exception& e) {
printf("ERR %s\n", e.what());
return 1;
}