static void Main(string[] args)
{
if (args.Length < 1)
{
Console.WriteLine("ShaleCo.Cryptography v1.0.0.0");
Console.WriteLine("Created by Shale Kuzmanovski 2014");
return;
}
switch (args[0])
{
case "-scenario":
if (args.Length < 3)
{
if (args.Length < 2)
{
Console.WriteLine("Please enter a message to encrypt.");
return;
}
RunBasicScenario(args[1]);
return;
}
if (args[2] == "-fileoutput")
{
if (args.Length < 4)
{
RunBasicScenario(args[1], true);
return;
}
else
{
RunBasicScenario(args[1], true, args[3]);
return;
}
}
Console.WriteLine("Unrecognised command. Try -help to see available commands.");
return;
case "-race":
if (args.Length < 2)
{
Console.WriteLine("Please provide a message. -race \"example\"");
return;
}
CompareSpeeds(args[1]);
break;
case "-deskey":
Console.WriteLine("DES Key. 64 Bit. 8 Bytes. 56 effiective bits.");
WriteByteArray(Symmetric.GenerateDESKey());
return;
case "-des3key":
Console.WriteLine("DES3 Key. 192 Bit. 24 Bytes. 168 effiective bits.");
WriteByteArray(Symmetric.Generate3DESKey());
return;
case "-des3encrypt":
if (args.Length != 3)
{
Console.WriteLine("Please provide a key in ASCII and a message.");
Console.WriteLine("-des3encrypt \"abcdefghijklmnopqrstuvwx\" \"Hello World.\"");
return;
}
var des3EncryptKey = args[1].GetBytes();
if (des3EncryptKey.Length != 24)
{
Console.WriteLine("Key was not the correct size: 192 bits.");
return;
}
Console.WriteLine("Your encrypted message:");
WriteByteArray(Symmetric.Encrypt3DES(des3EncryptKey, args[2].GetBytes()));
return;
case "-desencrypt":
if (args.Length != 3)
{
Console.WriteLine("Please provide a key in ASCII and a message.");
Console.WriteLine("-desencrypt \"abcdefgh\" \"Hello World.\"");
return;
}
var desEncryptKey = args[1].GetBytes();
if (desEncryptKey.Length != 8)
{
Console.WriteLine("Key was not the correct size: 64 bits.");
return;
}
Console.WriteLine("Your encrypted message:");
WriteByteArray(Symmetric.EncryptDES(desEncryptKey, args[2].GetBytes()));
return;
case "-des3decrypt":
if (args.Length != 3)
{
Console.WriteLine("Please provide a key in ASCII and a message.");
Console.WriteLine("-des3decrypt \"abcdefghijklmnopqrstuvwx\" \"Hello World.\"");
return;
}
var des3DecryptKey = args[1].GetBytes();
if (des3DecryptKey.Length != 24)
{
Console.WriteLine("Key was not the correct size: 192 bits.");
return;
}
var des3DecryptCipherText = args[2].GetBytes();
if (des3DecryptCipherText.Length % 8 != 0)
{
Console.WriteLine("ERROR: ciphertext is not the correct size. must be a multiple of 64 bits.");
return;
}
Console.WriteLine("Your decrypted message:");
WriteByteArray(Symmetric.Decrypt3DES(des3DecryptKey, des3DecryptCipherText));
return;
case "-desdecrypt":
if (args.Length != 3)
{
Console.WriteLine("Please provide a key in ASCII and a message.");
Console.WriteLine("-desdecrypt \"abcdefgh\" \"Hello World.\"");
return;
}
var desDecryptKey = args[1].GetBytes();
if (desDecryptKey.Length != 8)
{
Console.WriteLine("Key was not the correct size: 64 bits.");
return;
}
var desDecryptCipherText = args[2].GetBytes();
if (desDecryptCipherText.Length % 8 != 0)
{
Console.WriteLine("ERROR: ciphertext is not the correct size. must be a multiple of 64 bits.");
return;
}
Console.WriteLine("Your decrypted message:");
WriteByteArray(Symmetric.DecryptDES(desDecryptKey, desDecryptCipherText));
return;
case "-rsakey":
Console.WriteLine("RSA Key Pair");
Console.WriteLine(Asymmetric.GenerateRSAKeys());
return;
case "-rsaencrypt":
if (args.Length != 3)
{
Console.WriteLine("Please provide a key pair in decimal and a message in ASCCI.");
Console.WriteLine("-rsaencrypt 373757,198399184603 \"Hello World.\"");
return;
}
var keys = args[1].Split(',');
if (keys.Length != 2)
{
Console.WriteLine("Invalid key, please provide a key pair in decimal");
Console.WriteLine("-rsaencrypt 373757,198399184603 \"Hello World.\"");
return;
}
BigInteger key1;
BigInteger key2;
if (!BigInteger.TryParse(keys[0], out key1))
{
Console.WriteLine("Invalid key, please provide a key pair in decimal");
Console.WriteLine("-rsaencrypt 373757,198399184603 \"Hello World.\"");
return;
}
if (!BigInteger.TryParse(keys[1], out key2))
{
Console.WriteLine("Invalid key, please provide a key pair in decimal");
Console.WriteLine("-rsaencrypt 373757,198399184603 \"Hello World.\"");
return;
}
var message = args[2].GetBytes();
var cipherText = Asymmetric.EncryptRSA(new RSAKey(key1.ToByteArray(), key2.ToByteArray()), message);
Console.WriteLine("Your encrypted message");
WriteByteArray(cipherText);
return;
case "-rsadecrypt":
if (args.Length != 3)
{
Console.WriteLine("Please provide a key pair in decimal and a message in ASCCI.");
Console.WriteLine("-rsadecrypt 373757,198399184603 \"Hello World.\"");
return;
}
var decryptkeys = args[1].Split(',');
if (decryptkeys.Length != 2)
{
Console.WriteLine("Invalid key, please provide a key pair in decimal");
Console.WriteLine("-rsadecrypt 373757,198399184603 \"Hello World.\"");
return;
}
BigInteger decryptKey1;
BigInteger decryptKey2;
if (!BigInteger.TryParse(decryptkeys[0], out decryptKey1))
{
Console.WriteLine("Invalid key, please provide a key pair in decimal");
Console.WriteLine("-rsadecrypt 373757,198399184603 \"Hello World.\"");
return;
}
if (!BigInteger.TryParse(decryptkeys[1], out decryptKey2))
{
Console.WriteLine("Invalid key, please provide a key pair in decimal");
Console.WriteLine("-rsadecrypt 373757,198399184603 \"Hello World.\"");
return;
}
var decryptMessage = args[2].GetBytes();
var decryuptCipherText = Asymmetric.EncryptRSA(new RSAKey(decryptKey1.ToByteArray(), decryptKey2.ToByteArray()), decryptMessage);
Console.WriteLine("Your decrypted message");
WriteByteArray(decryuptCipherText);
return;
case "-hash":
if (args.Length != 2)
{
Console.WriteLine("Please enter a value in ASCII to hash");
return;
}
Console.WriteLine("Custom hash.");
WriteByteArray(args[1].GetHash(HashTypes.SHALE));
return;
#if DEBUG
case "-scenariodebug":
RunBasicScenarioDebug("Hello World. Foo Bar. !@#$%^&*");
return;
#endif
default:
WriteHelp();
return;
}
}