private (Bn128Fp, Bn128Fp2) DecodePair(byte[] input, int offset)
{
byte[] x = input.Slice(offset + 0, 32);
byte[] y = input.Slice(offset + 32, 32);
Bn128Fp p1 = Bn128Fp.CreateInG1(x, y);
// fail if point is invalid
if (p1 == null)
{
return(null, null);
}
// (b, a)
byte[] b = input.Slice(offset + 64, 32);
byte[] a = input.Slice(offset + 96, 32);
// (d, c)
byte[] d = input.Slice(offset + 128, 32);
byte[] c = input.Slice(offset + 160, 32);
Bn128Fp2 p2 = Bn128Fp2.CreateInG2(a, b, c, d);
// fail if point is invalid
if (p2 == null)
{
return(null, null);
}
return(p1, p2);
}
public void Zero_reused()
{
Bn128Fp2 p1 = Bn128Fp2.Create(new byte[] { 0 }, new byte[] { 0 }, new byte[] { 0 }, new byte[] { 0 });
// ReSharper disable once EqualExpressionComparison
Assert.True(ReferenceEquals(p1.Zero, p1.Zero));
}
public void Equals_works_with_nulls()
{
Bn128Fp2 bn128Fp2 = new Bn128Fp2(Fp2.One, Fp2.One, Fp2.One);
Assert.False(bn128Fp2 == null, "null to the right");
Assert.False(null == bn128Fp2, "null to the left");
Assert.True((Bn128Fp2)null == null, "null both sides");
}
public void Zero_initializes()
{
Bn128Fp2 p1 = Bn128Fp2.Create(new byte[] { 0 }, new byte[] { 0 }, new byte[] { 0 }, new byte[] { 0 });
Assert.NotNull(p1.Zero);
}