private static void EncryptTest(AesCipher aes, byte[] input)
{
Console.WriteLine("Encrypting:");
Console.ForegroundColor = ConsoleColor.DarkGray;
Console.Write("input: ");
foreach (var b in input)
{
Console.Write(b.ToString("X2") + " ");
}
Stopwatch stopwatch = new Stopwatch();
stopwatch.Start();
aes.Encrypt(input);
stopwatch.Stop();
;
Console.WriteLine();
Console.ForegroundColor = ConsoleColor.White;
Console.Write("output: ");
foreach (var b in input)
{
Console.Write(b.ToString("X2") + " ");
}
Console.WriteLine();
Console.ForegroundColor = ConsoleColor.Green;
Console.WriteLine($"Time it took {stopwatch.ElapsedMilliseconds}ms or {stopwatch.ElapsedTicks} ticks");
Console.ResetColor();
}
static void Main(string[] args)
{
//Initializing AES with key
AesCipher aes = new AesCipher(new byte[] { 0x2b, 0x7e, 0x15, 0x16, 0x28, 0xae, 0xd2, 0xa6, 0xab, 0xf7, 0x15, 0x88, 0x09, 0xcf, 0x4f, 0x3c });
//I used this test to test different layers during development
//Test(aes);
//This is my test vector from https://nvlpubs.nist.gov/nistpubs/fips/nist.fips.197.pdf, Appendix B
byte[] input = new byte[]
{ 0x32, 0x43, 0xf6, 0xa8, 0x88, 0x5a, 0x30, 0x8d, 0x31, 0x31, 0x98, 0xa2, 0xe0, 0x37, 0x07, 0x34 };
//This is the method that tests the input
EncryptTest(aes, input);
}
private static void Test(AesCipher aes)
{
//Testing MixColumns
byte[] bytes = new byte[] { 219, 19, 83, 69, 242, 10, 34, 92, 1, 1, 1, 1, 198, 198, 198, 198 };
aes.MixColumn(bytes);
foreach (var b in bytes)
{
Console.WriteLine(b);
}
//Key expansion test
Console.WriteLine("Keys test");
foreach (var aesKey in aes.Keys)
{
Console.WriteLine();
foreach (var b in aesKey.GetBytes())
{
Console.Write(b.ToString("X") + " ");
}
}
}