public void TestVerifySignature()
{
ECDsa sa = new ECDsa(key.PrivateKey, key.PublicKey.Curve);
byte[] message = System.Text.Encoding.Default.GetBytes("HelloWorld");
BigInteger[] result = sa.GenerateSignature(message);
sa.VerifySignature(message, result[0], result[1]).Should().BeTrue();
sa.VerifySignature(message, new BigInteger(-100), result[1]).Should().BeFalse();
}
public void TestGenerateSignature()
{
ECDsa sa = new ECDsa(key.PrivateKey, key.PublicKey.Curve);
byte[] message = System.Text.Encoding.Default.GetBytes("HelloWorld");
for (int i = 0; i < 30; i++)
{
BigInteger[] result = sa.GenerateSignature(message);
result.Length.Should().Be(2);
}
sa = new ECDsa(key.PublicKey);
Action action = () => sa.GenerateSignature(message);
action.ShouldThrow <InvalidOperationException>();
}
