public void CreateEncryptorInvalid()
{
using (SymmetricAlgorithm salsa20 = new Salsa20())
{
Assert.Throws <ArgumentNullException>(() => salsa20.CreateEncryptor(null, new byte[8]));
Assert.Throws <ArgumentNullException>(() => salsa20.CreateEncryptor(new byte[16], null));
Assert.Throws <CryptographicException>(() => salsa20.CreateEncryptor(new byte[15], new byte[8]));
Assert.Throws <CryptographicException>(() => salsa20.CreateEncryptor(new byte[16], new byte[7]));
}
}
public void CreateEncryptorInvalid()
{
using (SymmetricAlgorithm salsa20 = new Salsa20())
{
Assert.Throws<ArgumentNullException>(() => salsa20.CreateEncryptor(null, new byte[8]));
Assert.Throws<ArgumentNullException>(() => salsa20.CreateEncryptor(new byte[16], null));
Assert.Throws<CryptographicException>(() => salsa20.CreateEncryptor(new byte[15], new byte[8]));
Assert.Throws<CryptographicException>(() => salsa20.CreateEncryptor(new byte[16], new byte[7]));
}
}
public void Load(string filePath = null)
{
if (cryptPass == null && (Program.settings.EncryptAccounts || Program.settings.DecryptAccounts))
{
Forms.CryptPassForm form = new Forms.CryptPassForm();
form.ShowDialog();
cryptPass = form.Password;
}
if (filePath == null && this.filePath != null)
{
filePath = this.filePath;
}
if (!Program.settings.DecryptAccounts)
{
try
{
string text = File.ReadAllText(filePath);
accounts = JsonConvert.DeserializeObject <List <Account> >(text);
}
catch (FileNotFoundException e)
{
// silent
File.WriteAllText(e.FileName, "[]");
accounts.Clear();
}
}
else
{
try
{
byte[] textBytes = File.ReadAllBytes(filePath);
byte[] cryptBytes = new byte[textBytes.Length];
using (var decrypt = crypt.CreateDecryptor(cryptPass, salsaIV))
decrypt.TransformBlock(textBytes, 0, textBytes.Length, cryptBytes, 0);
string rawJson = Encoding.UTF8.GetString(cryptBytes);
if (!rawJson.StartsWith("SHIT"))
{
System.Windows.Forms.MessageBox.Show("Doesn't look like the inputted password is it bud.\n Restart launcher and try again.", "GW Launcher - Invalid Password");
}
accounts = JsonConvert.DeserializeObject <List <Account> >(rawJson.Substring(4));
}
catch (FileNotFoundException)
{
// silent
byte[] bytes = Encoding.UTF8.GetBytes("SHIT[]");
var cryptBytes = new byte[bytes.Length];
using (var encrypt = crypt.CreateEncryptor(cryptPass, salsaIV))
encrypt.TransformBlock(bytes, 0, bytes.Length, cryptBytes, 0);
File.WriteAllBytes(filePath, cryptBytes);
accounts.Clear();
}
}
}
public void EncryptDecrypt()
{
// generate data to encrypt
byte[] input;
using (MemoryStream stream = new MemoryStream())
using (BinaryWriter writer = new BinaryWriter(stream))
{
for (short value = -1024; value <= 1023; value++)
{
writer.Write(value);
}
writer.Flush();
input = stream.ToArray();
}
using (SymmetricAlgorithm salsa20 = new Salsa20())
{
byte[] encrypted = new byte[input.Length];
using (ICryptoTransform encrypt = salsa20.CreateEncryptor())
encrypt.TransformBlock(input, 0, input.Length, encrypted, 0);
byte[] decrypted = new byte[input.Length];
using (ICryptoTransform decrypt = salsa20.CreateDecryptor())
decrypt.TransformBlock(encrypted, 0, encrypted.Length, decrypted, 0);
CollectionAssert.AreEqual(input, decrypted);
}
}
private byte[] DoSalsa20(byte[] iv, byte[] key, byte[] data)
{
Salsa20 s = new Salsa20();
ICryptoTransform enc = s.CreateEncryptor(key, iv);
byte[] result = new byte[32];
enc.TransformBlock(data, 0, data.Length, result, 0);
return(result);
}
public void CryptoTransform()
{
using (SymmetricAlgorithm salsa20 = new Salsa20())
using (ICryptoTransform transform = salsa20.CreateEncryptor(new byte[16], new byte[8]))
{
Assert.AreEqual(salsa20.BlockSize / 8, transform.InputBlockSize);
Assert.AreEqual(salsa20.BlockSize / 8, transform.OutputBlockSize);
Assert.IsFalse(transform.CanReuseTransform);
Assert.IsTrue(transform.CanTransformMultipleBlocks);
}
}
public void GenerateRandom()
{
byte[] rng = new byte[Program.RNG_COUNT * Program.INT_SIZE];
using (SymmetricAlgorithm salsa20 = new Salsa20())
using (ICryptoTransform encrypt = salsa20.CreateEncryptor(Guid.NewGuid().ToByteArray(),
Guid.NewGuid().ToByteArray().Take(8).ToArray()))
using (MemoryStream streamInput = new MemoryStream(rng, false))
using (CryptoStream streamEncrypted = new CryptoStream(streamInput, encrypt, CryptoStreamMode.Read))
{
streamEncrypted.ReadAsync(rng).GetAwaiter().GetResult();
}
}
public void CryptoTransform()
{
using (SymmetricAlgorithm salsa20 = new Salsa20())
using (ICryptoTransform transform = salsa20.CreateEncryptor(new byte[16], new byte[8]))
{
Assert.AreEqual(salsa20.BlockSize / 8, transform.InputBlockSize);
Assert.AreEqual(salsa20.BlockSize / 8, transform.OutputBlockSize);
Assert.IsFalse(transform.CanReuseTransform);
Assert.IsTrue(transform.CanTransformMultipleBlocks);
}
}
public static void Crypt(CryptVerbs options)
{
if (!File.Exists(options.InputPath))
{
Console.WriteLine("[X] File to encrypt does not exist.");
return;
}
byte[] input = File.ReadAllBytes(options.InputPath);
if (!string.IsNullOrEmpty(options.Salsa20KeyEncrypt))
{
byte[] keyBytes = MiscUtils.StringToByteArray(options.Salsa20KeyEncrypt);
using SymmetricAlgorithm salsa20 = new Salsa20();
byte[] dataKey = new byte[8];
Console.WriteLine("[:] Encrypting..");
using var decrypt = salsa20.CreateDecryptor(keyBytes, dataKey);
decrypt.TransformBlock(input, 0, input.Length, input, 0);
}
else if (!string.IsNullOrEmpty(options.Salsa20KeyDecrypt))
{
byte[] keyBytes = MiscUtils.StringToByteArray(options.Salsa20KeyDecrypt);
using SymmetricAlgorithm salsa20 = new Salsa20();
byte[] dataKey = new byte[8];
Console.WriteLine("[:] Decrypting..");
using var encrypt = salsa20.CreateEncryptor(keyBytes, dataKey);
encrypt.TransformBlock(input, 0, input.Length, input, 0);
}
else
{
Keyset[] keysets = CheckKeys();
if (keysets is null)
{
return;
}
Keyset keys = keysets.Where(e => e.GameCode.Equals(options.GameCode, StringComparison.OrdinalIgnoreCase)).FirstOrDefault();
if (keys is null)
{
Console.WriteLine($"Keyset with GameCode '{options.GameCode}' does not exist in the keyset file.");
return;
}
Console.WriteLine("[!] Crypting..");
keys.CryptData(input, 0);
}
Console.WriteLine($"[:] Saving file as {options.OutputPath}..");
File.WriteAllBytes(options.OutputPath, input);
Console.WriteLine("[/] Done.");
}
static byte[] Encrypt(byte[] input, string key)
{
using (SymmetricAlgorithm salsa20 = new Salsa20())
{
var dataKey = new byte[8];
var keyBytes = Encoding.UTF8.GetBytes(key);
byte[] encrypted = new byte[input.Length];
using (var encrypt = salsa20.CreateEncryptor(keyBytes, dataKey))
encrypt.TransformBlock(input, 0, input.Length, encrypted, 0);
return(encrypted);
}
}
public void Dispose()
{
using (SymmetricAlgorithm salsa20 = new Salsa20())
using (ICryptoTransform transform = salsa20.CreateEncryptor(new byte[16], new byte[8]))
{
transform.Dispose();
transform.Dispose();
Assert.Throws<ObjectDisposedException>(() => transform.TransformBlock(new byte[1], 0, 1, new byte[1], 0));
Assert.Throws<ObjectDisposedException>(() => transform.TransformFinalBlock(new byte[1], 0, 1));
((IDisposable)salsa20).Dispose();
((IDisposable)salsa20).Dispose();
}
}
public void Dispose()
{
using (SymmetricAlgorithm salsa20 = new Salsa20())
using (ICryptoTransform transform = salsa20.CreateEncryptor(new byte[16], new byte[8]))
{
transform.Dispose();
transform.Dispose();
Assert.Throws <ObjectDisposedException>(() => transform.TransformBlock(new byte[1], 0, 1, new byte[1], 0));
Assert.Throws <ObjectDisposedException>(() => transform.TransformFinalBlock(new byte[1], 0, 1));
((IDisposable)salsa20).Dispose();
((IDisposable)salsa20).Dispose();
}
}
public void TransformFinalBlock()
{
using (SymmetricAlgorithm salsa20 = new Salsa20())
using (ICryptoTransform transform = salsa20.CreateEncryptor(new byte[16], new byte[8]))
{
byte[] aby0 = new byte[0];
byte[] aby1 = new byte[1];
Assert.Throws <ArgumentNullException>(() => transform.TransformFinalBlock(null, 0, 0));
Assert.Throws <ArgumentOutOfRangeException>(() => transform.TransformFinalBlock(aby0, -1, 0));
Assert.Throws <ArgumentOutOfRangeException>(() => transform.TransformFinalBlock(aby0, 1, 0));
Assert.Throws <ArgumentOutOfRangeException>(() => transform.TransformFinalBlock(aby1, 0, -1));
Assert.Throws <ArgumentOutOfRangeException>(() => transform.TransformFinalBlock(aby1, 0, 2));
Assert.Throws <ArgumentOutOfRangeException>(() => transform.TransformFinalBlock(aby1, 1, 1));
}
}
public void EcryptTestVector131072(string strComment, int rounds, string key, string iv, string strOutput0_63, string strOutput65472_65535, string strOutput65536_65599, string strOutput131008_131071)
{
byte[] output;
// use the Salsa20 transform directly
using (SymmetricAlgorithm salsa20 = new Salsa20()
{
Rounds = rounds
})
using (ICryptoTransform encrypt = salsa20.CreateEncryptor(ToBytes(key), ToBytes(iv)))
{
// input is all zeroes
byte[] input = new byte[131072];
output = encrypt.TransformFinalBlock(input, 0, input.Length);
}
CollectionAssert.AreEqual(ToBytes(strOutput0_63), output.Skip(0).Take(64).ToList());
CollectionAssert.AreEqual(ToBytes(strOutput65472_65535), output.Skip(65472).Take(64).ToList());
CollectionAssert.AreEqual(ToBytes(strOutput65536_65599), output.Skip(65536).Take(64).ToList());
CollectionAssert.AreEqual(ToBytes(strOutput131008_131071), output.Skip(131008).Take(64).ToList());
}
public void EcryptTestVector512(string strComment, int rounds, string key, string iv, string strOutput0_63, string strOutput192_255, string strOutput256_319, string strOutput448_511)
{
const int c_nSize = 512;
byte[] output = new byte[c_nSize];
// encrypt by using CryptoStream
using (SymmetricAlgorithm salsa20 = new Salsa20()
{
Rounds = rounds
})
using (ICryptoTransform encrypt = salsa20.CreateEncryptor(ToBytes(key), ToBytes(iv)))
using (MemoryStream streamInput = new MemoryStream(new byte[c_nSize], false))
using (CryptoStream streamEncrypted = new CryptoStream(streamInput, encrypt, CryptoStreamMode.Read))
{
streamEncrypted.Read(output, 0, output.Length);
}
CollectionAssert.AreEqual(ToBytes(strOutput0_63), output.Skip(0).Take(64).ToList());
CollectionAssert.AreEqual(ToBytes(strOutput192_255), output.Skip(192).Take(64).ToList());
CollectionAssert.AreEqual(ToBytes(strOutput256_319), output.Skip(256).Take(64).ToList());
CollectionAssert.AreEqual(ToBytes(strOutput448_511), output.Skip(448).Take(64).ToList());
}
public void EcryptTestVector131072(string strComment, int rounds, string key, string iv, string strOutput0_63, string strOutput65472_65535, string strOutput65536_65599, string strOutput131008_131071)
{
byte[] output;
// use the Salsa20 transform directly
using (SymmetricAlgorithm salsa20 = new Salsa20() { Rounds = rounds })
using (ICryptoTransform encrypt = salsa20.CreateEncryptor(ToBytes(key), ToBytes(iv)))
{
// input is all zeroes
byte[] input = new byte[131072];
output = encrypt.TransformFinalBlock(input, 0, input.Length);
}
CollectionAssert.AreEqual(ToBytes(strOutput0_63), output.Skip(0).Take(64).ToList());
CollectionAssert.AreEqual(ToBytes(strOutput65472_65535), output.Skip(65472).Take(64).ToList());
CollectionAssert.AreEqual(ToBytes(strOutput65536_65599), output.Skip(65536).Take(64).ToList());
CollectionAssert.AreEqual(ToBytes(strOutput131008_131071), output.Skip(131008).Take(64).ToList());
}
public void TransformFinalBlock()
{
using (SymmetricAlgorithm salsa20 = new Salsa20())
using (ICryptoTransform transform = salsa20.CreateEncryptor(new byte[16], new byte[8]))
{
byte[] aby0 = new byte[0];
byte[] aby1 = new byte[1];
Assert.Throws<ArgumentNullException>(() => transform.TransformFinalBlock(null, 0, 0));
Assert.Throws<ArgumentOutOfRangeException>(() => transform.TransformFinalBlock(aby0, -1, 0));
Assert.Throws<ArgumentOutOfRangeException>(() => transform.TransformFinalBlock(aby0, 1, 0));
Assert.Throws<ArgumentOutOfRangeException>(() => transform.TransformFinalBlock(aby1, 0, -1));
Assert.Throws<ArgumentOutOfRangeException>(() => transform.TransformFinalBlock(aby1, 0, 2));
Assert.Throws<ArgumentOutOfRangeException>(() => transform.TransformFinalBlock(aby1, 1, 1));
}
}
public void EncryptDecrypt()
{
// generate data to encrypt
byte[] input;
using (MemoryStream stream = new MemoryStream())
using (BinaryWriter writer = new BinaryWriter(stream))
{
for (short value = -1024; value <= 1023; value++)
writer.Write(value);
writer.Flush();
input = stream.ToArray();
}
using (SymmetricAlgorithm salsa20 = new Salsa20())
{
byte[] encrypted = new byte[input.Length];
using (ICryptoTransform encrypt = salsa20.CreateEncryptor())
encrypt.TransformBlock(input, 0, input.Length, encrypted, 0);
byte[] decrypted = new byte[input.Length];
using (ICryptoTransform decrypt = salsa20.CreateDecryptor())
decrypt.TransformBlock(encrypted, 0, encrypted.Length, decrypted, 0);
CollectionAssert.AreEqual(input, decrypted);
}
}
public void EcryptTestVector512(string strComment, int rounds, string key, string iv, string strOutput0_63, string strOutput192_255, string strOutput256_319, string strOutput448_511)
{
const int c_nSize = 512;
byte[] output = new byte[c_nSize];
// encrypt by using CryptoStream
using (SymmetricAlgorithm salsa20 = new Salsa20() { Rounds = rounds })
using (ICryptoTransform encrypt = salsa20.CreateEncryptor(ToBytes(key), ToBytes(iv)))
using (MemoryStream streamInput = new MemoryStream(new byte[c_nSize], false))
using (CryptoStream streamEncrypted = new CryptoStream(streamInput, encrypt, CryptoStreamMode.Read))
{
streamEncrypted.Read(output, 0, output.Length);
}
CollectionAssert.AreEqual(ToBytes(strOutput0_63), output.Skip(0).Take(64).ToList());
CollectionAssert.AreEqual(ToBytes(strOutput192_255), output.Skip(192).Take(64).ToList());
CollectionAssert.AreEqual(ToBytes(strOutput256_319), output.Skip(256).Take(64).ToList());
CollectionAssert.AreEqual(ToBytes(strOutput448_511), output.Skip(448).Take(64).ToList());
}