public static BigInt[] Encode(string text, BigInt e, BigInt n)
{
var result = new List <BigInt>();
foreach (var symbol in text)
{
var message = BigInt.ModPow(new BigInt(symbol), e, n);
result.Add(message);
}
return(result.ToArray());
}
public static string Decode(BigInt[] message, BigInt d, BigInt n)
{
var text = new StringBuilder();
foreach (var b in message)
{
var symbol = BigInt.TryToInt(BigInt.ModPow(b, d, n));
text.Append((char)symbol);
}
return(text.ToString());
}