public override Task <PlainTextData> Decrypt(EncryptedData request, ServerCallContext context)
{
return(Task.FromResult(new PlainTextData
{
UserName = encryptionService.Decrypt(request.UserName, keyToken, ivToken),
Password = encryptionService.Decrypt(request.Password, keyToken, ivToken)
}));
}
public static async ReusableTask <PeerMessage> ReceiveMessageAsync(IConnection connection, IEncryption decryptor, IRateLimiter rateLimiter, ConnectionMonitor peerMonitor, ConnectionMonitor managerMonitor, ITorrentData torrentData, ByteBuffer buffer)
{
await MainLoop.SwitchToThreadpool();
int messageHeaderLength = 4;
int messageBodyLength;
ByteBuffer messageHeaderBuffer = buffer;
ByteBuffer messageBuffer = buffer;
ByteBufferPool.Releaser messageBufferReleaser = default;
using (var headerReleaser = buffer == null ? NetworkIO.BufferPool.Rent(messageHeaderLength, out messageHeaderBuffer) : default) {
await NetworkIO.ReceiveAsync(connection, messageHeaderBuffer, 0, messageHeaderLength, rateLimiter, peerMonitor?.ProtocolDown, managerMonitor?.ProtocolDown).ConfigureAwait(false);
decryptor.Decrypt(messageHeaderBuffer.Data, 0, messageHeaderLength);
messageBodyLength = IPAddress.HostToNetworkOrder(BitConverter.ToInt32(messageHeaderBuffer.Data, 0));
if (messageBodyLength < 0 || messageBodyLength > MaxMessageLength)
{
connection.Dispose();
throw new ProtocolException($"Invalid message length received. Value was '{messageBodyLength}'");
}
if (messageBodyLength == 0)
{
return(new KeepAliveMessage());
}
if (buffer == null || buffer.Data.Length < messageBodyLength + messageHeaderLength)
{
messageBufferReleaser = NetworkIO.BufferPool.Rent(messageBodyLength + messageHeaderLength, out messageBuffer);
Buffer.BlockCopy(messageHeaderBuffer.Data, 0, messageBuffer.Data, 0, messageHeaderLength);
}
}
using (messageBufferReleaser) {
// Always assume protocol first, then convert to data when we what message it is!
await NetworkIO.ReceiveAsync(connection, messageBuffer, messageHeaderLength, messageBodyLength, rateLimiter, peerMonitor?.ProtocolDown, managerMonitor?.ProtocolDown).ConfigureAwait(false);
decryptor.Decrypt(messageBuffer.Data, messageHeaderLength, messageBodyLength);
// FIXME: manager should never be null, except some of the unit tests do that.
var data = PeerMessage.DecodeMessage(messageBuffer.Data, 0, messageHeaderLength + messageBodyLength, torrentData);
if (data is PieceMessage msg)
{
peerMonitor?.ProtocolDown.AddDelta(-msg.RequestLength);
managerMonitor?.ProtocolDown.AddDelta(-msg.RequestLength);
peerMonitor?.DataDown.AddDelta(msg.RequestLength);
managerMonitor?.DataDown.AddDelta(msg.RequestLength);
}
return(data);
}
}
public ResourceEntry ToResourceEntry(IEncryption encryption, MamChannelFactory channelFactory, MamChannelSubscriptionFactory subscriptionFactory)
{
var decryptedChannel = encryption.Decrypt(this.Channel);
var decryptedSubscription = encryption.Decrypt(this.Subscription);
return(new ResourceEntry
{
ResourceRoots = this.Roots.Split(';').ToList(),
Channel = string.IsNullOrEmpty(decryptedChannel) ? null : channelFactory.CreateFromJson(decryptedChannel),
Subscription = subscriptionFactory.CreateFromJson(decryptedSubscription)
});
}
public void Should_Encrypt_Data()
{
//Arrange
string Id = "2";
//Act
var result = Encryption.Encypt(Id);
//Assert
Assert.NotNull(result);
Assert.AreEqual(Id, Encryption.Decrypt(result));
}
public void SetEncryptedName(string nm)
{
if (_encrypted_path_name)
{
_dname = Cryptography.Decrypt(nm, Settings.DefaultPassword);
}
else
{
_dname = nm;
}
_name = nm;
}
public static async ReusableTask <PeerMessage> ReceiveMessageAsync(IConnection2 connection, IEncryption decryptor, IRateLimiter rateLimiter, ConnectionMonitor peerMonitor, ConnectionMonitor managerMonitor, ITorrentData torrentData)
{
byte[] messageLengthBuffer = null;
byte[] messageBuffer = null;
int messageLength = 4;
int messageBody;
try {
messageLengthBuffer = ClientEngine.BufferPool.Rent(messageLength);
await NetworkIO.ReceiveAsync(connection, messageLengthBuffer, 0, messageLength, rateLimiter, peerMonitor?.ProtocolDown, managerMonitor?.ProtocolDown).ConfigureAwait(false);
decryptor.Decrypt(messageLengthBuffer, 0, messageLength);
messageBody = IPAddress.HostToNetworkOrder(BitConverter.ToInt32(messageLengthBuffer, 0));
if (messageBody < 0 || messageBody > MaxMessageLength)
{
connection.Dispose();
throw new ProtocolException($"Invalid message length received. Value was '{messageBody}'");
}
if (messageBody == 0)
{
return(new KeepAliveMessage());
}
messageBuffer = ClientEngine.BufferPool.Rent(messageBody + messageLength);
Buffer.BlockCopy(messageLengthBuffer, 0, messageBuffer, 0, messageLength);
} finally {
ClientEngine.BufferPool.Return(messageLengthBuffer);
}
try {
// Always assume protocol first, then convert to data when we what message it is!
await NetworkIO.ReceiveAsync(connection, messageBuffer, messageLength, messageBody, rateLimiter, peerMonitor?.ProtocolDown, managerMonitor?.ProtocolDown).ConfigureAwait(false);
decryptor.Decrypt(messageBuffer, messageLength, messageBody);
// FIXME: manager should never be null, except some of the unit tests do that.
var data = PeerMessage.DecodeMessage(messageBuffer, 0, messageLength + messageBody, torrentData);
if (data is PieceMessage msg)
{
peerMonitor?.ProtocolDown.AddDelta(-msg.RequestLength);
managerMonitor?.ProtocolDown.AddDelta(-msg.RequestLength);
peerMonitor?.DataDown.AddDelta(msg.RequestLength);
managerMonitor?.DataDown.AddDelta(msg.RequestLength);
}
return(data);
} finally {
ClientEngine.BufferPool.Return(messageBuffer);
}
}
public TokenData DecodeAccessToken(string token)
{
if (string.IsNullOrWhiteSpace(token))
{
throw new ArgumentNullException("token");
}
var encryptedBytes = token.FromBase65();
var decryptedBytes = _encryptor.Decrypt(encryptedBytes);
return(GetAccessTokenFromBytes(decryptedBytes));
}
public static async Task <PeerMessage> ReceiveMessageAsync(IConnection connection, IEncryption decryptor, IRateLimiter rateLimiter, ConnectionMonitor monitor, TorrentManager manager)
{
byte[] messageLengthBuffer = null;
byte[] messageBuffer = null;
int messageLength = 4;
int messageBody;
try {
messageLengthBuffer = ClientEngine.BufferManager.GetBuffer(messageLength);
await NetworkIO.ReceiveAsync(connection, messageLengthBuffer, 0, messageLength, rateLimiter, monitor?.ProtocolDown, manager?.Monitor.ProtocolDown).ConfigureAwait(false);
decryptor.Decrypt(messageLengthBuffer, 0, messageLength);
messageBody = IPAddress.HostToNetworkOrder(BitConverter.ToInt32(messageLengthBuffer, 0));;
if (messageBody < 0 || messageBody > MaxMessageLength)
{
throw new Exception($"Invalid message length received. Value was '{messageBody}'");
}
if (messageBody == 0)
{
return(new KeepAliveMessage());
}
messageBuffer = ClientEngine.BufferManager.GetBuffer(messageBody + messageLength);
Buffer.BlockCopy(messageLengthBuffer, 0, messageBuffer, 0, messageLength);
} finally {
ClientEngine.BufferManager.FreeBuffer(messageLengthBuffer);
}
try {
// Always assume protocol first, then convert to data when we what message it is!
await NetworkIO.ReceiveAsync(connection, messageBuffer, messageLength, messageBody, rateLimiter, monitor?.ProtocolDown, manager?.Monitor.ProtocolDown).ConfigureAwait(false);
decryptor.Decrypt(messageBuffer, messageLength, messageBody);
var data = PeerMessage.DecodeMessage(messageBuffer, 0, messageLength + messageBody, manager);
if (data is PieceMessage msg)
{
monitor?.ProtocolDown.AddDelta(-msg.RequestLength);
manager?.Monitor.ProtocolDown.AddDelta(-msg.RequestLength);
monitor?.DataDown.AddDelta(msg.RequestLength);
manager?.Monitor.DataDown.AddDelta(msg.RequestLength);
}
return(data);
} finally {
ClientEngine.BufferManager.FreeBuffer(messageBuffer);
}
}
public byte[] Get(string bucket, string key, string encriptionKey = null)
{
var path = GetPath(bucket, key);
if (!File.Exists(path))
{
throw new KeyNotFoundException(key);
}
byte[] byteData = File.ReadAllBytes(path);
if (!string.IsNullOrEmpty(encriptionKey))
{
byteData = _encryption.Decrypt(byteData, encriptionKey);
}
return(byteData);
}
public void ExecuteRetrieveFile(object args)
{
try
{
var deHideOption = this.GetDeHideOptionFromView((Window)args);
if (deHideOption == null)
{
return;
}
var ciphertext = HideLSB.DeHide(this._hiddenImageBitmapCache);
IEncryption encryptor = EncryptionFactory.CreateEncryption(deHideOption.EncryptionAlg);
var plaintext = encryptor.Decrypt(ciphertext, this.StrPassword2UintArr(deHideOption.Password));
var deZipdata = Zip.Decompress(plaintext);
if (File.Exists(deHideOption.FilePath))
{
File.Delete(deHideOption.FilePath);
}
FileTransform.ByteArray2File(deHideOption.FilePath, deZipdata);
this.ShowMessageBoxResource("RetrieveDone", "Hint", MessageBoxButton.OK, MessageBoxImage.Information);
}
catch (PasswordWrongException)
{
this.ShowMessageBoxResource("PasswordWrong", "Error");
}
catch (Exception)
{
this.ShowMessageBoxResource("PasswordWrong", "Error");
}
}
public static async ReusableTask <(PeerMessage message, PeerMessage.Releaser releaser)> ReceiveMessageAsync(IPeerConnection connection, IEncryption decryptor, IRateLimiter?rateLimiter, ConnectionMonitor?peerMonitor, ConnectionMonitor?managerMonitor, ITorrentManagerInfo?torrentData, Memory <byte> buffer)
{
await MainLoop.SwitchToThreadpool();
int messageHeaderLength = 4;
int messageBodyLength;
Memory <byte> messageHeaderBuffer = buffer;
Memory <byte> messageBuffer = buffer;
ByteBufferPool.Releaser messageHeaderReleaser = default;
ByteBufferPool.Releaser messageBufferReleaser = default;
if (messageHeaderBuffer.IsEmpty)
{
messageHeaderReleaser = NetworkIO.BufferPool.Rent(messageHeaderLength, out messageHeaderBuffer);
}
using (messageHeaderReleaser) {
await NetworkIO.ReceiveAsync(connection, messageHeaderBuffer.Slice(0, messageHeaderLength), rateLimiter, peerMonitor?.ProtocolDown, managerMonitor?.ProtocolDown).ConfigureAwait(false);
decryptor.Decrypt(messageHeaderBuffer.Span.Slice(0, messageHeaderLength));
messageBodyLength = Message.ReadInt(messageHeaderBuffer.Span);
if (messageBodyLength < 0 || messageBodyLength > MaxMessageLength)
{
connection.Dispose();
throw new ProtocolException($"Invalid message length received. Value was '{messageBodyLength}'");
}
if (messageBodyLength == 0)
{
return(KeepAliveMessage.Instance, default);
public static PeerMessage ReceiveMessage(CustomConnection connection, IEncryption decryptor, TorrentManager manager)
{
byte[] buffer = new byte[4];
Receive(connection, buffer, 0, buffer.Length);
decryptor.Decrypt(buffer);
int count = IPAddress.HostToNetworkOrder(BitConverter.ToInt32(buffer, 0));
byte[] message = new byte[count + 4];
Buffer.BlockCopy(buffer, 0, message, 0, 4);
Receive(connection, message, 4, count);
decryptor.Decrypt(message, 4, count);
return(PeerMessage.DecodeMessage(message, 0, message.Length, manager));
}
public void CanEncryptAndDecrypt()
{
var text = "adam";
var encrypted = _sut.Encrypt(text);
var decrypted = _sut.Decrypt(encrypted);
Assert.Equal(text, decrypted);
}
public HttpResponseMessage GetActiveStudent(string guid)
{
var accountId = _encryption.Decrypt(HttpContext.Current.Server.UrlDecode(guid));
var student = _studentsServices.ActivateUser(accountId);
var response = Request.CreateResponse(HttpStatusCode.Moved);
response.Headers.Location = new Uri("http://fiasps.unitec.edu:8096");
return(response);
}
private UserData MaterializeUserData(IDataRecord row)
{
return(new UserData
{
UserName = row.Get <string>("username_value"),
URL = row.Get <string>("action_url"),
Password = _encryption.Decrypt(row.Get <byte[]>("password_value"))
});
}
private AppTokenModel DecryptToken(OAuthClient client, string token)
{
var trimtoken = token.Substring(20, token.Length - 20);
_logger.Debug($"DecryptToken id {trimtoken}");
var data = _encryption.Decrypt(trimtoken, client.EncryptionKey);
var model = Newtonsoft.Json.JsonConvert.DeserializeObject <AppTokenModel>(data);
return(model);
}
public string Get(string key)
{
var dataPath = Path.Combine(Path.GetTempPath(), key + ".tmp");
var keyPath = Path.Combine(Path.GetTempPath(), key + ".key");
var encryptedAesKeyIvPair = File.ReadAllBytes(keyPath);
var data = File.ReadAllBytes(dataPath);
return(_encryption.Decrypt(new EncryptedItem(encryptedAesKeyIvPair, data), WindowsKeystoreId));
}
public string Read(string path, bool decryptFile)
{
string text = Read(path);
if (!decryptFile)
{
return(text);
}
return(encryption.Decrypt(text));
}
public override XmlNode Decrypt(XmlNode encryptedNode)
{
string decryptedData = encryption.Decrypt(encryptedNode.InnerText);
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.PreserveWhitespace = true;
xmlDoc.LoadXml(decryptedData);
return(xmlDoc.DocumentElement);
}
/// <summary>
/// Decrypts a value if it begins with the "enc:" prefix; otherwise returns the value.
/// </summary>
public string Decrypt(string encryptedValue)
{
if (string.IsNullOrEmpty(encryptedValue) || !encryptedValue.StartsWith(ValuePrefix) || encryptedValue == ValuePrefix)
{
return(encryptedValue);
}
encryptedValue = encryptedValue.Substring(ValuePrefix.Length);
return(_encryption.Decrypt(encryptedValue));
}
private void btnDecrypt_Click(object sender, EventArgs e)
{
try
{
tbTarget.Text = encryption.Decrypt(tbSource.Text.Trim());
}
catch (System.Exception ex)
{
MessageBox.Show(ex.Message);
}
}
/// <summary>
/// Override read page decrypting data from disk
/// </summary>
public override byte[] ReadPage(uint pageID)
{
var buffer = base.ReadPage(pageID);
if (pageID == 0)
{
return(buffer);
}
return(_crypto.Decrypt(buffer));
}
public static async ReusableTask <HandshakeMessage> ReceiveHandshakeAsync(IPeerConnection connection, IEncryption decryptor)
{
await MainLoop.SwitchToThreadpool();
using (NetworkIO.BufferPool.Rent(HandshakeMessage.HandshakeLength, out Memory <byte> buffer)) {
await NetworkIO.ReceiveAsync(connection, buffer, null, null, null).ConfigureAwait(false);
decryptor.Decrypt(buffer.Span);
return(new HandshakeMessage(buffer.Span));
}
}
public async Task <IPayload> GetPayload(IMessage message)
{
var data = encryption.Decrypt(message.Data);
data = compression.Decompress(data);
var @event = eventHolder.GetEvent(message.EventId);
var dataType = @event.GetInterfaces()[0].GetGenericArguments()[0];
var @object = serializer.Deserialize(data, dataType);
return(await Task.FromResult((IPayload) new Payload { Event = @event, Data = @object }).ConfigureAwait(false));
}
public string Decrypt(string key, string encryptedText)
{
if (key != null)
{
//logger.Debug(($"SecurityManager Decrypt({encryptedText}, {key})"));
return(encryptor.Decrypt(encryptedText, key, encryptionPassword));
}
else
{
logger.Error(($"SecurityManager Decrypt({encryptedText}, key==null)"));
return(encryptedText);
}
}
public void VerifyProfessor(VerifiedProfessorModel model)
{
var professor = _professorRepository.GetByAccountId(_encryption.Decrypt(model.AccountId));
if (professor == null)
{
throw new NotFoundException("No se encontro el professor");
}
professor.Password = _encryption.Encrypt(model.Password);
professor.Status = Status.Active;
_professorRepository.Update(professor);
_professorRepository.Save();
}
public void TestHandshake(byte[] buffer, CustomConnection connection)
{
// 1) Send local handshake
SendMessage(new HandshakeMessage(rig.Manager.Torrent.infoHash, new string('g', 20), VersionInfo.ProtocolStringV100, true, false), connection);
// 2) Receive remote handshake
if (buffer == null || buffer.Length == 0)
{
buffer = new byte[68];
Receive(connection, buffer, 0, 68);
decryptor.Decrypt(buffer);
}
HandshakeMessage handshake = new HandshakeMessage();
handshake.Decode(buffer, 0, buffer.Length);
Assert.AreEqual(rig.Engine.PeerId, handshake.PeerId, "#2");
Assert.AreEqual(VersionInfo.ProtocolStringV100, handshake.ProtocolString, "#3");
Assert.AreEqual(ClientEngine.SupportsFastPeer, handshake.SupportsFastPeer, "#4");
Assert.AreEqual(ClientEngine.SupportsExtended, handshake.SupportsExtendedMessaging, "#5");
// 2) Send local bitfield
SendMessage(new BitfieldMessage(rig.Manager.Bitfield), connection);
// 3) Receive remote bitfield - have none
PeerMessage message = ReceiveMessage(connection);
Assert.IsTrue(message is HaveNoneMessage || message is BitfieldMessage, "HaveNone");
// 4) Send a few allowed fast
SendMessage(new AllowedFastMessage(1), connection);
SendMessage(new AllowedFastMessage(2), connection);
SendMessage(new AllowedFastMessage(3), connection);
SendMessage(new AllowedFastMessage(0), connection);
// 5) Receive a few allowed fast
ReceiveMessage(connection);
ReceiveMessage(connection);
ReceiveMessage(connection);
ReceiveMessage(connection);
ReceiveMessage(connection);
ReceiveMessage(connection);
ReceiveMessage(connection);
ReceiveMessage(connection);
ReceiveMessage(connection);
ReceiveMessage(connection);
// 6) Receive interested
message = ReceiveMessage(connection);
Assert.IsTrue(message is InterestedMessage, "Interested");
}
protected void EncryptDecryptTest(IEncryption crypto)
{
string plainText = GenerateRandomText(1000);
string key = GenerateRandomText(5);
Trace.WriteLine(string.Format("keyUsed={0}", key));
Trace.WriteLine(string.Format("plainText={0}", plainText));
string encryptedText = crypto.Encrypt(plainText, key);
Trace.WriteLine(string.Format("encryptedText={0}", encryptedText));
string unEncryptedText = crypto.Decrypt(encryptedText, key);
Assert.AreEqual(plainText, unEncryptedText);
}
public static async ReusableTask <HandshakeMessage> ReceiveHandshakeAsync(IConnection connection, IEncryption decryptor)
{
await MainLoop.SwitchToThreadpool();
using (NetworkIO.BufferPool.Rent(HandshakeMessage.HandshakeLength, out ByteBuffer buffer)) {
await NetworkIO.ReceiveAsync(connection, buffer, 0, HandshakeMessage.HandshakeLength, null, null, null).ConfigureAwait(false);
decryptor.Decrypt(buffer.Data, 0, HandshakeMessage.HandshakeLength);
var message = new HandshakeMessage();
message.Decode(buffer.Data, 0, HandshakeMessage.HandshakeLength);
return(message);
}
}
public static PeerMessage ReceiveMessage(CustomConnection connection, IEncryption decryptor, TorrentManager manager)
{
byte[] buffer = new byte[4];
Receive (connection, buffer, 0, buffer.Length);
decryptor.Decrypt(buffer);
int count = IPAddress.HostToNetworkOrder(BitConverter.ToInt32(buffer, 0));
byte[] message = new byte[count + 4];
Buffer.BlockCopy(buffer, 0, message, 0, 4);
Receive (connection, message, 4, count);
decryptor.Decrypt(message, 4, count);
return PeerMessage.DecodeMessage(message, 0, message.Length, manager);
}
public static async ReusableTask <HandshakeMessage> ReceiveHandshakeAsync(IConnection2 connection, IEncryption decryptor)
{
byte[] buffer = ClientEngine.BufferPool.Rent(HandshakeMessage.HandshakeLength);
try {
await NetworkIO.ReceiveAsync(connection, buffer, 0, HandshakeMessage.HandshakeLength, null, null, null).ConfigureAwait(false);
decryptor.Decrypt(buffer, 0, HandshakeMessage.HandshakeLength);
var message = new HandshakeMessage();
message.Decode(buffer, 0, HandshakeMessage.HandshakeLength);
return(message);
} finally {
ClientEngine.BufferPool.Return(buffer);
}
}
