static void Main(string[] args)
{
Console.WriteLine("Enter Key:");
int key = int.Parse(s: Console.ReadLine());
SDesAlgorithm sDes = new SDesAlgorithm();
sDes.GenerateKeys(key);
// IList<byte> k1;
// IList<byte> k2;
// GenerateKeys(key, sDes, out k1, out k2);
Console.WriteLine("");
// Console.WriteLine("Enter text:");
// string text = Console.ReadLine();
string text = File.ReadAllText(@"./1.bin");
Console.WriteLine("Please, switch case: 1 - Encrypt, 2 - Decrypt");
var switchCase = Console.ReadLine();
string result = string.Empty;
switch (switchCase)
{
case "1":
result = EncriptText(sDes, text);
break;
default:
result = DecryptText(sDes, text);
break;
}
File.WriteAllText(@"./1.bin", result);
Console.ReadKey();
}
private static string EncriptText(SDesAlgorithm sDes, string text)
{
var str = string.Empty;
for (var i = 0; i < text.Length; i++)
{
var o = sDes.Encript(text[i].ToString());
str += o;
}
return str;
}
private static void GenerateKeys(int key, SDesAlgorithm sDes, out IList<byte> k1, out IList<byte> k2)
{
sDes.GenerateKeys(key);
var bytes = sDes.DecToBytes(key);
bytes = sDes.ToP10(bytes);
Print("P10: {0}", bytes);
bytes = sDes.CyclicShift_One(bytes);
Print("Cyclin shift 1: {0}", bytes);
k1 = sDes.ToP8(bytes);
Print("K1: {0}", k1);
bytes = sDes.CyclicShift_Two(bytes);
Print("Cyclin shift {0}", bytes);
k2 = sDes.ToP8(bytes);
Print("K2: {0}", k2);
}
