public static void ValidatePaddingMode_ISO10126(int expectedPaddingSize, string plainTextStr)
{
byte[] key = "1ed2f625c187b993256a8b3ccf9dcbfa5b44b4795c731012f70e4e64732efd5d".HexToByteArray();
byte[] iv = "47d1e060ba3c8643f9f8b65feeda4b30".HexToByteArray();
byte[] plainText = plainTextStr.HexToByteArray();
using (Aes a = Aes.Create())
{
a.Key = key;
a.IV = iv;
a.Mode = CipherMode.CBC;
a.Padding = PaddingMode.ISO10126;
// for ISO10126 we are going to encrypt it twice and assert that the ciphers produced are going to be different
byte[] cipher = a.Encrypt(plainText);
byte[] secondCipher = a.Encrypt(plainText);
// decrypt it with PaddingMode.None so that we can inspect the padding manually
a.Padding = PaddingMode.None;
byte[] decrypted = a.Decrypt(cipher);
if (expectedPaddingSize >= 5)
{
byte[] secondDecrypted = a.Decrypt(secondCipher);
// after we decrypted, the two ciphers are going to be different
Assert.NotEqual(decrypted.ByteArrayToHex(), secondDecrypted.ByteArrayToHex());
}
ValidatePadding(decrypted, PaddingMode.ISO10126, expectedPaddingSize);
}
}
private void DecryptMessage(XmlNode doc, ref byte[] iv)
{
foreach (XmlNode childNode in doc.ChildNodes[0].ChildNodes)
{
childNode.InnerXml = _aes.Decrypt(childNode.InnerXml);
}
}
private static void ValidatePaddingMode(byte[] plainText, byte[] expectedCipher, PaddingMode paddingMode, int expectedPaddingSize)
{
byte[] key = "1ed2f625c187b993256a8b3ccf9dcbfa5b44b4795c731012f70e4e64732efd5d".HexToByteArray();
byte[] iv = "47d1e060ba3c8643f9f8b65feeda4b30".HexToByteArray();
using (Aes a = Aes.Create())
{
a.Key = key;
a.IV = iv;
a.Mode = CipherMode.CBC;
a.Padding = paddingMode;
byte[] cipher = a.Encrypt(plainText);
// we cannot validate the cipher in this padding mode as it consists of random data
if (paddingMode != PaddingMode.ISO10126)
{
Assert.Equal <byte>(expectedCipher, cipher);
}
// decrypt it with PaddingMode.None so that we can inspect the padding manually
a.Padding = PaddingMode.None;
byte[] decrypted = a.Decrypt(cipher);
ValidatePadding(decrypted, paddingMode, expectedPaddingSize);
}
}
public void DecryptThrowsInvalidOperationExceptionIfDataToDecryptIsOfSizeZero()
{
IAes aes = new Aes();
var data = new byte[0];
aes.Decrypt(data, null, null, 1000);
}
public void AesTest()
{
Aes aes = new Aes();
aes.Key = Encoding.UTF8.GetBytes("1234567890abcdef1234567890abcdef");
aes.IV = Encoding.UTF8.GetBytes("1234567890abcdef");
string sd = "Hello World! ppppppppppppppppppppppppppppp" +
"pppppppppppppppppppppppppppppppppppppppppp" +
"pppppppppppppppppppppppppppppppppppppppppp" +
"pppppppppppppppppppppppppppppppppppppppppp" +
"pppppppppppppppppppppppppppppppppppppppppp" +
"pppppppppppppppppppppppppppppppppppppppppp" +
"pppppppppppppppppppppppppppppppppppppppppp" +
"pppppppppppppppppppppppppppppppppppppppppp" +
"pppppppppppppppppppppppppppppppppppppppppp" +
"pppppppppppppppppppppppppppppppppppppppppp" +
"pppppppppppppppppppppppppppppppppppppppppp" +
"pppppppppppppppppppppp";
byte[] data = Encoding.UTF8.GetBytes(sd);
aes.Init();
byte[] e = aes.Encrypt(data);
Assert.True(Encoding.UTF8.GetString(aes.Decrypt(e)) == sd);
}
public static void ValidatePaddingMode_NonISO10126(PaddingMode paddingMode, int expectedPaddingSize, string plainTextStr, string expectedCipherStr)
{
Assert.True(paddingMode != PaddingMode.ISO10126, "This tests only non-ISO10126 padding");
byte[] key = "1ed2f625c187b993256a8b3ccf9dcbfa5b44b4795c731012f70e4e64732efd5d".HexToByteArray();
byte[] iv = "47d1e060ba3c8643f9f8b65feeda4b30".HexToByteArray();
byte[] plainText = plainTextStr.HexToByteArray();
byte[] expectedCipher = expectedCipherStr == null?Array.Empty <byte>() : expectedCipherStr.HexToByteArray();
using (Aes a = Aes.Create())
{
a.Key = key;
a.IV = iv;
a.Mode = CipherMode.CBC;
a.Padding = paddingMode;
byte[] cipher = a.Encrypt(plainText);
Assert.Equal(expectedCipherStr, cipher.ByteArrayToHex());
// decrypt it with PaddingMode.None so that we can inspect the padding manually
a.Padding = PaddingMode.None;
byte[] decrypted = a.Decrypt(cipher);
ValidatePadding(decrypted, paddingMode, expectedPaddingSize);
}
}
public async Task LoadAccessTokensAsync(string clientId, string secretKey)
{
if (!await ApplicationData.Current.LocalFolder.ExistsAsync(TokenFilename))
{
return;
}
try
{
var file = await ApplicationData.Current.LocalFolder.GetFileAsync(TokenFilename);
var content = await file.ReadBytesAsync();
if (content.Length < 16)
{
return;
}
var passphrase = (SystemInfo.HardwareIdentifier + clientId + secretKey).ToSecureString();
var json = Encoding.UTF8.GetString(Aes.Decrypt(passphrase, 10000, content));
this.tokenInfos = JsonConvert.DeserializeObject <List <TokenKey> >(json);
}
catch (Exception)
{
// no need... this just means something is wrong with the cache and should be thrown away
}
}
private void PackageReceivedEventArgs(object sender, PackageReceivedEventArgs <IPEndPoint> e)
{
var data = e.Payload;
var count = e.Count;
PeerInfo peerInfo;
if (_peerList.TryGet(e.Proto, out peerInfo) && peerInfo.EncryptionKey != null)
{
data = Aes.Decrypt(data, 0, count, peerInfo.EncryptionKey);
}
var botHeader = BotHeader.Decode(data);
if (!IsValidHeader(botHeader))
{
Logger.Warn("Invalid message received by bot {0} from {1}", botHeader.BotId, e.Proto);
_peerList.Punish(botHeader.BotId);
return;
}
botHeader.EndPoint = e.Proto;
_peerList.UpdatePeer(botHeader.BotId);
var args = new PackageReceivedEventArgs <BotHeader>(botHeader, data, count);
Events.Raise(BotPackageReceivedEventArgs, this, args);
}
public string GetPassword(string answer)
{
PasswordQuestion question = PasswordQuestionsByUserId.FirstOrDefault();
string result = string.Empty;
if (question == null)
{
Log.AddEntry("Unable to retrieve password for {0}, password question not set", UserName);
}
if (question.Answer.Equals(answer))
{
Password password = PasswordsByUserId.FirstOrDefault();
if (password == null)
{
Log.AddEntry("Unable to retrieve password for {0}, password not set", UserName);
}
result = Aes.Decrypt(password.Value);
}
else
{
Log.AddEntry("Unable to retrieve password for {0}, invalid password ", UserName);
}
return(result);
}
public bool ChangePasswordQuestionAndAnswer(string password, string newPasswordQuestion, string newPasswordAnswer)
{
Password pass = PasswordsByUserId.FirstOrDefault();
bool result = false;
if (pass == null)
{
Log.AddEntry("Unable to change password question and answer, user password was not set");
}
else
{
string decrypted = Aes.Decrypt(pass.Value);
if (decrypted.Equals(password))
{
PasswordQuestion question = PasswordQuestionsByUserId.FirstOrDefault();
if (question == null)
{
question = PasswordQuestionsByUserId.AddNew();
}
question.Value = newPasswordQuestion;
question.Answer = newPasswordAnswer;
question.Save();
result = true;
}
}
return(result);
}
public static object LoadFromFile(
string pathToFile,
SecureString password)
{
var passwordHash = SessionPasswordHelper.GetSessionPasswordBytes(password, hashIterationsCount: 5);
var encryptedBytes = File.ReadAllBytes(pathToFile);
var decryptedBytes = Aes.Decrypt(
encryptedBytes: encryptedBytes,
keyBytes: passwordHash);
var json = Encoding.UTF8.GetString(decryptedBytes);
var storage = JsonConvert.DeserializeObject <JObject>(json);
var encryptedSeed = storage["Keys"]["1729"]["EncryptedSeed"].ToString();
var seedPasswordHash = SessionPasswordHelper.GetSessionPasswordBytes(password);
var seed = Aes.Decrypt(
encryptedBytes: Hex.FromString(encryptedSeed),
keyBytes: seedPasswordHash);
storage["Seed"] = seed.ToHexString();
return(storage);
}
protected Vector128 <byte> DecryptAes(Vector128 <byte> data)
{
if (DecryptionKey == null)
{
DecryptionKey = GenerateWorkingKey(Key, false);
}
data = Sse2.Xor(data, DecryptionKey[Rounds]);
// unrolled for performance
if (Rounds > 12)
{
data = Aes.Decrypt(data, DecryptionKey[13]);
data = Aes.Decrypt(data, DecryptionKey[12]);
}
if (Rounds > 10)
{
data = Aes.Decrypt(data, DecryptionKey[11]);
data = Aes.Decrypt(data, DecryptionKey[10]);
}
data = Aes.Decrypt(data, DecryptionKey[9]);
data = Aes.Decrypt(data, DecryptionKey[8]);
data = Aes.Decrypt(data, DecryptionKey[7]);
data = Aes.Decrypt(data, DecryptionKey[6]);
data = Aes.Decrypt(data, DecryptionKey[5]);
data = Aes.Decrypt(data, DecryptionKey[4]);
data = Aes.Decrypt(data, DecryptionKey[3]);
data = Aes.Decrypt(data, DecryptionKey[2]);
data = Aes.Decrypt(data, DecryptionKey[1]);
return(Aes.DecryptLast(data, DecryptionKey[0]));
}
private static DataSettingsSmtpSettingsProvider LoadSmtpSettings()
{
FileInfo smtpSettingsFile = new FileInfo(Path.Combine(Paths.Local, SmtpSettingsFileName));
Console.WriteLine("Trying to load smtp settings from file: {0}", smtpSettingsFile.FullName);
if (smtpSettingsFile.Exists)
{
try
{
SmtpSettings smtpSettings = smtpSettingsFile.FromJsonFile <SmtpSettings>();
smtpSettings.Password = Aes.Decrypt(smtpSettings.Password);
DefaultSender = smtpSettings.From;
return(new DataSettingsSmtpSettingsProvider(smtpSettings));
}
catch (Exception ex)
{
Log.Warn("Failed to load smtp settings file {0}: {1}", smtpSettingsFile.FullName, ex.Message);
Console.WriteLine("failed to load smtp settings: {0}", ex.Message);
}
}
else
{
Log.Warn("The system smtp settings file was not present, notifications may not send correctly: {0}", smtpSettingsFile.FullName);
Console.WriteLine("failed to load smtp settings, settings file not present: {0}", smtpSettingsFile.FullName);
}
return(new DataSettingsSmtpSettingsProvider());
}
public override unsafe void Decrypt(ReadOnlySpan <byte> source, Span <byte> destination)
{
base.Decrypt(source, destination);
Vector128 <byte> t;
fixed(byte *s = source)
{
t = Sse2.LoadVector128(s);
}
t = Sse2.Xor(t, _k14);
t = Aes.Decrypt(t, _k15);
t = Aes.Decrypt(t, _k16);
t = Aes.Decrypt(t, _k17);
t = Aes.Decrypt(t, _k18);
t = Aes.Decrypt(t, _k19);
t = Aes.Decrypt(t, _k20);
t = Aes.Decrypt(t, _k21);
t = Aes.Decrypt(t, _k22);
t = Aes.Decrypt(t, _k23);
t = Aes.Decrypt(t, _k24);
t = Aes.Decrypt(t, _k25);
t = Aes.Decrypt(t, _k26);
t = Aes.Decrypt(t, _k27);
t = Aes.DecryptLast(t, _k0);
fixed(byte *d = destination)
{
Sse2.Store(d, t);
}
}
private void generateButton_Click(object sender, EventArgs e)
{
MyFile myFile = new MyFile();
WalletDotDat walletDotDat = new WalletDotDat();
string text = myFile.ReadFile(path);
string[] splitted = text.Split(' ');
string seed;
int i;
if (splitted.Length != 12)
{
Aes aes = new Aes();
walletDotDat.FromString(aes.Decrypt(text, password));
seed = walletDotDat.mnemonics;
i = walletDotDat.bitcoinSecrets.Count;
}
else
{
walletDotDat.FromString(myFile.ReadFile(path));
seed = walletDotDat.mnemonics;
i = walletDotDat.bitcoinSecrets.Count;
}
ExtKey extKey = Wallet.generateMasterAdress(seed);
bitcoinSecret = Wallet.generateDerivedAdress(extKey, walletDotDat.bitcoinSecrets.Count());
inputReceiving.Text = bitcoinSecret.PubKey.GetAddress(Network.TestNet).ToString(); //
generateQRCode();
}
public string DecryptData(EncryptedData encryptedData, byte[] masterKey)
{
var dataKey = _pbkdf2.Compute(masterKey, encryptedData.Salt, encryptedData.Iterations);
var message = _aes.Decrypt(encryptedData.Ciphertext, dataKey, encryptedData.InitializationVector);
return(message);
}
private void saveButton_Click(object sender, EventArgs e)
{
if (inputReceiving.Text != "")
{
MyFile myFile = new MyFile();
string text = myFile.ReadFile(path);
string[] splitted = text.Split(' ');
if (splitted.Length != 12)
{
Aes aes = new Aes();
WalletDotDat walletDotDat = new WalletDotDat();
//aes.Decrypt(f.ReadFile(ucChooseYourWallet.FilePath), ucChooseYourWallet.Password)
walletDotDat.FromString(aes.Decrypt(text, password));
walletDotDat.addPrivateKey(bitcoinSecret);
MessageBox.Show(walletDotDat.ToString());
myFile.SaveEncryptedFile(walletDotDat.ToString(), password, path);
}
else
{
WalletDotDat walletDotDat = new WalletDotDat();
walletDotDat.FromString(myFile.ReadFile(path));
walletDotDat.addPrivateKey(bitcoinSecret);
myFile.SaveUnecryptedFile(walletDotDat.ToString(), path);
}
}
else
{
MessageBox.Show("Generate adress and input needed info!");
}
}
public void DecryptThrowsArgumentNullExceptionIfPasswordIsNullOrEmpty()
{
IAes aes = new Aes();
var data = new byte[2];
aes.Decrypt(data, null, null, 1000);
}
public static string Decrypt(this string cipherText, string key)
{
using (Aes aes = Aes.Create())
{
return(aes.Decrypt(key, new byte[16], Convert.FromBase64String(cipherText)));
}
}
public void RunStructFldScenario(AesBinaryOpTest__DecryptByte testClass)
{
var result = Aes.Decrypt(_fld1, _fld2);
Unsafe.Write(testClass._dataTable.outArrayPtr, result);
testClass.ValidateResult(testClass._dataTable.outArrayPtr);
}
private static bool LicenceIsValid()
{
return(RegistryOperator.IsKeyExist("ActivationKey") &&
RegistryOperator.IsKeyExist("SerialNumber") &&
Aes.Decrypt(RegistryOperator.GetKey("ActivationKey"),
HardwareInfo.GetHddSerialNo(), 256)
.Equals(RegistryOperator.GetKey("SerialNumber")));
}
public void Aes128_decrypt()
{
var(data, expected) = TestVectors["AES-128 Decryption"];
var plaintext = Aes128.Decrypt(data);
CustomAssert.MatchArrays(plaintext, expected);
}
public static MemoryStream DownloadStage(Uri url, int sleep = 1, int retries = 10)
{
return(Retry.Do(() =>
{
var key = GetSharedKey(url);
var stage = Aes.Decrypt(key, Http.Get(url));
return new MemoryStream(stage);
}, TimeSpan.FromSeconds(sleep), retries));
}
public void AES_Encrypt_Decrypt_Test()
{
var password = CryptoUtils.BrewPassword(10).ToSecureString();
var testData = "Test Test Hello";
var encrypted = Aes.Encrypt(password, testData);
var decrypted = Encoding.UTF8.GetString(Aes.Decrypt(password, encrypted));
Assert.AreEqual(testData, decrypted);
}
public void RunClassFldScenario()
{
TestLibrary.TestFramework.BeginScenario(nameof(RunClassFldScenario));
var result = Aes.Decrypt(_fld1, _fld2);
Unsafe.Write(_dataTable.outArrayPtr, result);
ValidateResult(_dataTable.outArrayPtr);
}
public void Decrypt(byte[] input, byte[] output)
{
int position = 0;
int left = input.Length;
var key0 = Unsafe.ReadUnaligned <Vector128 <byte> >(ref dec[0 * BlockSize]);
var key1 = Unsafe.ReadUnaligned <Vector128 <byte> >(ref dec[1 * BlockSize]);
var key2 = Unsafe.ReadUnaligned <Vector128 <byte> >(ref dec[2 * BlockSize]);
var key3 = Unsafe.ReadUnaligned <Vector128 <byte> >(ref dec[3 * BlockSize]);
var key4 = Unsafe.ReadUnaligned <Vector128 <byte> >(ref dec[4 * BlockSize]);
var key5 = Unsafe.ReadUnaligned <Vector128 <byte> >(ref dec[5 * BlockSize]);
var key6 = Unsafe.ReadUnaligned <Vector128 <byte> >(ref dec[6 * BlockSize]);
var key7 = Unsafe.ReadUnaligned <Vector128 <byte> >(ref dec[7 * BlockSize]);
var key8 = Unsafe.ReadUnaligned <Vector128 <byte> >(ref dec[8 * BlockSize]);
var key9 = Unsafe.ReadUnaligned <Vector128 <byte> >(ref dec[9 * BlockSize]);
var key10 = Unsafe.ReadUnaligned <Vector128 <byte> >(ref dec[10 * BlockSize]);
while (left >= BlockSize)
{
var block = Unsafe.ReadUnaligned <Vector128 <byte> >(ref input[position]);
block = Aes.Decrypt(block, key0);
block = Aes.InverseMixColumns(block);
block = Aes.Decrypt(block, key1);
block = Aes.InverseMixColumns(block);
block = Aes.Decrypt(block, key2);
block = Aes.InverseMixColumns(block);
block = Aes.Decrypt(block, key3);
block = Aes.InverseMixColumns(block);
block = Aes.Decrypt(block, key4);
block = Aes.InverseMixColumns(block);
block = Aes.Decrypt(block, key5);
block = Aes.InverseMixColumns(block);
block = Aes.Decrypt(block, key6);
block = Aes.InverseMixColumns(block);
block = Aes.Decrypt(block, key7);
block = Aes.InverseMixColumns(block);
block = Aes.Decrypt(block, key8);
block = Aes.InverseMixColumns(block);
block = Aes.Decrypt(block, key9);
block = Simd.Xor(block, key10);
Unsafe.WriteUnaligned(ref output[position], block);
position += BlockSize;
left -= BlockSize;
}
}
public void DecryptDataThatHasBeenEncrypted()
{
IAes aes = new Aes();
var originalData = new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 };
var encryptedData = aes.Encrypt(originalData, "password", Encoding.ASCII.GetBytes("eryryn78ynr78yn"), 1000);
var decryptedData = aes.Decrypt(encryptedData, "password", Encoding.ASCII.GetBytes("eryryn78ynr78yn"), 1000);
Assert.IsFalse(ByteArrayCompare(originalData, decryptedData));
}
private static void MEOW_SHUFFLE(ref Vector128 <byte> r1, ref Vector128 <byte> r2, Vector128 <byte> r3, ref Vector128 <byte> r4, ref Vector128 <byte> r5, Vector128 <byte> r6)
{
r1 = Aes.Decrypt(r1, r4);
r2 = AddQ(r2, r5);
r4 = Sse2.Xor(r4, r6);
r4 = Aes.Decrypt(r4, r2);
r5 = AddQ(r5, r6);
r2 = Sse2.Xor(r2, r3);
}
public void RunStructLclFldScenario()
{
TestLibrary.TestFramework.BeginScenario(nameof(RunStructLclFldScenario));
var test = TestStruct.Create();
var result = Aes.Decrypt(test._fld1, test._fld2);
Unsafe.Write(_dataTable.outArrayPtr, result);
ValidateResult(_dataTable.outArrayPtr);
}
public void RunClassLclFldScenario()
{
TestLibrary.TestFramework.BeginScenario(nameof(RunClassLclFldScenario));
var test = new AesBinaryOpTest__DecryptByte();
var result = Aes.Decrypt(test._fld1, test._fld2);
Unsafe.Write(_dataTable.outArrayPtr, result);
ValidateResult(_dataTable.outArrayPtr);
}
public void TestEncryptString()
{
var encryptor = new Aes();
string raw = "Đây là Unicode string", key = "password", salt = "this_is_salt";
byte[] encrypted; byte[] decrypted;
// without salt
encrypted = encryptor.Encrypt(raw, key);
Assert.NotNull(encrypted);
decrypted = encryptor.Decrypt(encrypted, key);
Assert.NotNull(decrypted);
Assert.Equal(raw, decrypted.GetString());
// with salt
encrypted = encryptor.Encrypt(raw, key, salt);
Assert.NotNull(encrypted);
decrypted = encryptor.Decrypt(encrypted, key);
Assert.NotNull(decrypted);
Assert.Equal(raw, decrypted.GetString());
}