a portable and fast pairing-based cryptography library
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mcl/ffi/cs/bn256_test.cs

151 lines
3.6 KiB

using System;
namespace mcl {
using static BN256;
class BN256Test {
static int err = 0;
static void assert(string msg, bool b)
{
if (b) return;
Console.WriteLine("ERR {0}", msg);
err++;
}
static void Main(string[] args)
{
try {
assert("64bit system", System.Environment.Is64BitProcess);
init();
int ret;
ret = MBN_setErrFile("MBN_test.txt");
assert("MBN_setErrFile", ret == 0);
TestFr();
TestG1();
TestG2();
TestPairing();
if (err == 0) {
Console.WriteLine("all tests succeed");
} else {
Console.WriteLine("err={0}", err);
}
} catch (Exception e) {
Console.WriteLine("ERR={0}", e);
}
}
static void TestFr()
{
Console.WriteLine("TestFr");
Fr x = new Fr();
x.Clear();
assert("0", x.GetDecStr() == "0");
assert("0.IzZero", x.IsZero());
assert("!0.IzOne", !x.IsOne());
x.SetInt(1);
assert("1", x.GetDecStr() == "1");
assert("!1.IzZero", !x.IsZero());
assert("1.IzOne", x.IsOne());
x.SetInt(3);
assert("3", x.GetDecStr() == "3");
assert("!3.IzZero", !x.IsZero());
assert("!3.IzOne", !x.IsOne());
x.SetInt(-5);
x = -x;
assert("5", x.GetDecStr() == "5");
x.SetInt(4);
x = x * x;
assert("16", x.GetDecStr() == "16");
assert("10", x.GetHexStr() == "10");
Fr y;
y = x;
assert("x == y", x.Equals(y));
x.SetInt(123);
assert("123", x.GetDecStr() == "123");
assert("y != x", !x.Equals(y));
try {
x.SetDecStr("1234567891234x");
Console.WriteLine("x = {0}", x);
} catch (Exception e) {
Console.WriteLine("exception test OK\n'{0}'", e);
}
x.SetDecStr("1234567891234");
assert("1234567891234", x.GetDecStr() == "1234567891234");
}
static void TestG1()
{
Console.WriteLine("TestG1");
G1 P = new G1();
P.Clear();
assert("P.IsValid", P.IsValid());
assert("P.IsZero", P.IsZero());
P.HashAndMapTo("abc");
assert("P.IsValid", P.IsValid());
assert("!P.IsZero", !P.IsZero());
G1 Q = new G1();
Q = P;
assert("P == Q", Q.Equals(P));
Q.Neg(P);
Q.Add(Q, P);
assert("P = Q", Q.IsZero());
Q.Dbl(P);
G1 R = new G1();
R.Add(P, P);
assert("Q == R", Q.Equals(R));
Fr x = new Fr();
x.SetInt(3);
R.Add(R, P);
Q.Mul(P, x);
assert("Q == R", Q.Equals(R));
}
static void TestG2()
{
Console.WriteLine("TestG2");
G2 P = new G2();
P.Clear();
assert("P is valid", P.IsValid());
assert("P is zero", P.IsZero());
P.HashAndMapTo("abc");
assert("P is valid", P.IsValid());
assert("P is not zero", !P.IsZero());
G2 Q = new G2();
Q = P;
assert("P == Q", Q.Equals(P));
Q.Neg(P);
Q.Add(Q, P);
assert("Q is zero", Q.IsZero());
Q.Dbl(P);
G2 R = new G2();
R.Add(P, P);
assert("Q == R", Q.Equals(R));
Fr x = new Fr();
x.SetInt(3);
R.Add(R, P);
Q.Mul(P, x);
assert("Q == R", Q.Equals(R));
}
static void TestPairing()
{
Console.WriteLine("TestG2");
G1 P = new G1();
P.HashAndMapTo("123");
G2 Q = new G2();
Q.HashAndMapTo("1");
Fr a = new Fr();
Fr b = new Fr();
a.SetDecStr("12345678912345673453");
b.SetDecStr("230498230982394243424");
G1 aP = new G1();
G2 bQ = new G2();
aP.Mul(P, a);
bQ.Mul(Q, b);
GT e1 = new GT();
GT e2 = new GT();
GT e3 = new GT();
e1.Pairing(P, Q);
e2.Pairing(aP, Q);
e3.Pow(e1, a);
assert("e2.Equals(e3)", e2.Equals(e3));
e2.Pairing(P, bQ);
e3.Pow(e1, b);
assert("e2.Equals(e3)", e2.Equals(e3));
}
}
}