public void CorrectDecode(string value, string number1, string number2)
{
var p = new MyBigInteger(number1);
var q = new MyBigInteger(number2);
var module = p * q;
var phi = (p - MyBigInteger.One) * (q - MyBigInteger.One);
var exponent = AlgorithmRSA.CalculatePublicExponent(phi);
var secretExponent = AlgorithmRSA.CalculateSecretExponent(exponent, phi);
var chars = value.ToCharArray().Select(x => (int)(byte)x).ToArray();
var encoded = AlgorithmRSA.Encode(chars,
exponent, module);
var result = AlgorithmRSA.Decode(encoded, secretExponent, module);
CollectionAssert.AreEqual(result, chars);
}
private static void Decode()
{
Console.WriteLine("Enter your module: ");
var module = new MyBigInteger(Console.ReadLine());
Console.WriteLine("Enter your secret exponent: ");
var secretExponent = new MyBigInteger(Console.ReadLine());
Console.WriteLine("Enter your crypted data per line: ");
var crypted = new List <MyBigInteger>();
var line = Console.ReadLine();
while (!string.IsNullOrEmpty(line))
{
crypted.Add(new MyBigInteger(line));
line = Console.ReadLine();
}
var chars = AlgorithmRSA.Decode(crypted, secretExponent, module);
var result = Encoding.ASCII.GetString(chars.Select(x => (byte)x).ToArray());
Console.WriteLine($"Your message was {result}");
}
