Rebrand as tangerine-network/go-tangerine

1 files changed, 56 insertions, 0 deletions

diff --git a/vendor/github.com/byzantine-lab/mcl/sample/pairing.cpp b/vendor/github.com/byzantine-lab/mcl/sample/pairing.cpp
new file mode 100644
index 000000000..230583b6e
--- /dev/null
+++ b/vendor/github.com/byzantine-lab/mcl/sample/pairing.cpp
@@ -0,0 +1,56 @@
+#include <mcl/bn256.hpp>
+
+using namespace mcl::bn256;
+
+void minimum_sample(const G1& P, const G2& Q)
+{
+	const mpz_class a = 123;
+	const mpz_class b = 456;
+	Fp12 e1, e2;
+	pairing(e1, P, Q);
+	G2 aQ;
+	G1 bP;
+	G2::mul(aQ, Q, a);
+	G1::mul(bP, P, b);
+	pairing(e2, bP, aQ);
+	Fp12::pow(e1, e1, a * b);
+	printf("%s\n", e1 == e2 ? "ok" : "ng");
+}
+
+void miller_and_finel_exp(const G1& P, const G2& Q)
+{
+	Fp12 e1, e2;
+	pairing(e1, P, Q);
+
+	millerLoop(e2, P, Q);
+	finalExp(e2, e2);
+	printf("%s\n", e1 == e2 ? "ok" : "ng");
+}
+
+void precomputed(const G1& P, const G2& Q)
+{
+	Fp12 e1, e2;
+	pairing(e1, P, Q);
+	std::vector<Fp6> Qcoeff;
+	precomputeG2(Qcoeff, Q);
+	precomputedMillerLoop(e2, P, Qcoeff);
+	finalExp(e2, e2);
+	printf("%s\n", e1 == e2 ? "ok" : "ng");
+}
+
+int main()
+{
+	const char *aa = "12723517038133731887338407189719511622662176727675373276651903807414909099441";
+	const char *ab = "4168783608814932154536427934509895782246573715297911553964171371032945126671";
+	const char *ba = "13891744915211034074451795021214165905772212241412891944830863846330766296736";
+	const char *bb = "7937318970632701341203597196594272556916396164729705624521405069090520231616";
+
+	initPairing();
+	G2 Q(Fp2(aa, ab), Fp2(ba, bb));
+	G1 P(-1, 1);
+
+	minimum_sample(P, Q);
+	miller_and_finel_exp(P, Q);
+	precomputed(P, Q);
+}
+