private static void DecodeFile(SBox sbox, byte[] input2)
{
for (long i = 0L; i < input2.LongLength; i++)
{
input2[i] = sbox.Decode(input2[i]);
}
}
public static void Main(string[] args)
{
EncryptionHelper.WriteSBoxToFile("SBOX",EncryptionHelper.CreateSBox());
byte[] sboxArray = EncryptionHelper.ReadSBoxFromFile("SBOX");
SBox sbox = new SBox(sboxArray);
if (EncryptionHelper.Validate(sbox))
{
byte[] input = File.ReadAllBytes(@"C:\in\btm.png");
for (long i = 0L; i < input.LongLength; i++)
{
input[i] = sbox.Encode(input[i]);
}
File.WriteAllBytes(@"C:\out\encFile.png", input);
byte[] input2 = File.ReadAllBytes(@"C:\out\encFile.png");
DecodeFile(sbox, input2);
File.WriteAllBytes(@"C:\out\decFile.png", input2);
}
}
internal static bool Validate(SBox box)
{
for (int i = 0; i < box.sbox.Length; i++)
{
if (i != box.rsbox[box.sbox[i]])
{
return false;
}
}
return true;
}