static void Main(string[] args)
{
EllipticCurve ellipticCurve = new EllipticCurve();
EllipticCurveDSA ellipticCurveDsa = new EllipticCurveDSA(ellipticCurve);
var keyPair = ellipticCurveDsa.GenerateKeyPair();
Console.WriteLine($"Private key: {keyPair.privateKey}");
Console.WriteLine($"Public key: {keyPair.publicKey.X}, {keyPair.publicKey.Y}");
string message = "Hello!";
var signature = ellipticCurveDsa.SignMessage(keyPair.privateKey, message);
Console.WriteLine();
Console.WriteLine($"Message: {message}");
Console.WriteLine($"Signature: {signature.r}, {signature.s}");
string verification = ellipticCurveDsa.VerifySignature(keyPair.publicKey, message, signature)
? "Signature matches"
: "Invalid signature";
Console.WriteLine(verification);
message = "Hi there!";
Console.WriteLine();
Console.WriteLine($"Message: {message}");
verification = ellipticCurveDsa.VerifySignature(keyPair.publicKey, message, signature)
? "Signature matches"
: "Invalid signature";
Console.WriteLine(verification);
message = "Hello";
Console.WriteLine();
Console.WriteLine($"Message: {message}");
Console.WriteLine($"Public key: {keyPair.publicKey.X}, {keyPair.publicKey.Y}");
verification = ellipticCurveDsa.VerifySignature(keyPair.publicKey, message, signature)
? "Signature matches"
: "Invalid signature";
Console.WriteLine(verification);
Console.ReadLine();
}
public EllipticCurveDSA(EllipticCurve curve)
{
Curve = curve;
}
