private static void AffineDecrypt()
{
Console.WriteLine("Input your message to decrypt");
string message = Console.ReadLine();
Console.WriteLine("Input key a");
int a = ParseKey();
Console.WriteLine("Input key b");
int b = ParseKey();
var Affine2 = new AffineCipher(a, b);
Console.WriteLine(Affine2.DecryptMessage(message));
}
private static void AffineEncrypt()
{
Console.WriteLine("Input your message to encrypt (in English and without punctuation)");
string message = Console.ReadLine().ToLower();
message = message.Replace(" ", string.Empty);
Console.WriteLine("Input key a (must be relatively prime to the volume of the alphabet)");
int a = ParseKey();
Console.WriteLine("Input key b");
int b = ParseKey();
var Affine1 = new AffineCipher(a, b);
Console.WriteLine(Affine1.EncryptMessage(message));
}