public static void Main(string[] args)
{
int p = 5, q = 7;
int n = p * q;
int fi = (p - 1) * (q - 1);
int e = Rsa.CalculateE(fi);
var openKey = Rsa.GenerateOpenKey(n, fi);
Console.WriteLine(openKey.e + " " + openKey.n);
int d = Rsa.CalculateD(e, fi);
var secretKey = Rsa.GenerateSecretKey(n, d);
Console.WriteLine(secretKey.e + " " + secretKey.n);
var encodedMessage = Rsa.Encode(5, openKey.e, openKey.n);
Console.WriteLine(encodedMessage);
var decodedMessage = Rsa.Decode(encodedMessage, secretKey.e, secretKey.n);
Console.WriteLine(decodedMessage);
var secretKey2 = Rsa.GenerateSecretKeyByOpen(openKey);
Console.WriteLine(secretKey2.e + " " + secretKey2.n);
Console.ReadKey();
}