public static void Main(string[] args)
{
CommandLineParser cmd = CommandLineParser.Parse(args);
Log.CreateInstance(true);
string keyText = null;
if (cmd["key"] != null)
{
keyText = cmd["key"].Value;
}
else
{
keyText = PasswordPrompt.Get("Please enter the encryption key");
string keyText2 = PasswordPrompt.Get("Please confirm the encryption key");
if (keyText != keyText2)
{
Log.Instance.Write(Log_Severity.Fatal, "Keys did not match");
}
}
if (cmd["to"] == null || cmd["from"] == null)
{
Log.Instance.Write(Log_Severity.Fatal, "Need arguments 'to' and 'from'");
}
ulong sender = ulong.Parse(cmd["from"].Value);
ulong recipient = ulong.Parse(cmd["to"].Value);
var mt = new MersenneTwister((uint)Guid.NewGuid().GetHashCode());
var key = Encoding.UTF8.GetBytes(keyText);
if (sender == 0)
{
sender = mt.NextULong();
}
if (recipient == 0)
{
recipient = mt.NextULong();
}
var iv = mt.NextBytes(BLOCK_SIZE);
var data = BitShifter.ToByte(sender).Concat(BitShifter.ToByte(recipient)).ToArray();
BufferedBlockCipher cipher = new CtsBlockCipher(new CbcBlockCipher(new AesEngine()));
ICipherParameters keyParam = new ParametersWithIV(new KeyParameter(key), iv);
cipher.Init(true, keyParam);
Log.Instance.Write(iv.Concat(cipher.DoFinal(data, 0, data.Length)).ToArray().ToHex());
}
public static void Main(string[] args)
{
CommandLineParser cmd = CommandLineParser.Parse(args);
Log.CreateInstance(true);
if (cmd["random"] != null)
{
int count = 0;
if (!int.TryParse(cmd["random"].Value, out count))
{
count = 10;
}
for (int i = 0; i < count; i++)
{
string text = StringHelper.GenerateRandomString(32);
string key = StringHelper.GenerateRandomString(32);
byte[] b64 = Convert.FromBase64String(text.Encrypt(key));
byte[] result = Reduce(Reduce(SHA256.Create().ComputeHash(b64)));
Log.Instance.Write(Log_Severity.None, $"Random {i}: {result.ToHex()}");
}
return;
}
string pw = null;
if (cmd["password"] != null)
{
pw = cmd["password"].Value;
}
else
{
pw = PasswordPrompt.Get();
string pw2 = PasswordPrompt.Get("Please confirm your password");
if (pw != pw2)
{
Log.Instance.Write(Log_Severity.Fatal, "Passwords did not match");
}
}
if (cmd["encrypt"] != null)
{
string text = cmd["encrypt"].Value;
if (File.Exists(text))
{
text = File.ReadAllText(text);
}
try {
Log.Instance.Write(Log_Severity.None, text.Encrypt(pw));
} catch {
Log.Instance.Write(Log_Severity.Fatal, "Encryption failed");
}
}
if (cmd["decrypt"] != null)
{
string text = cmd["decrypt"].Value;
if (File.Exists(text))
{
text = File.ReadAllText(text);
}
try {
Log.Instance.Write(Log_Severity.None, text.Decrypt(pw));
} catch {
Log.Instance.Write(Log_Severity.Fatal, "Decryption failed");
}
}
}