public Boolean Process()
{
Boolean retVal = false;
try
{
_state = Common.NodeState.Processing;
DLoggerManager.Instance.Logger.Log(DFramework.Logging.Interfaces.LoggerMessageType.VerboseHigh | DFramework.Logging.Interfaces.LoggerMessageType.Information | DFramework.Logging.Interfaces.LoggerMessageType.Sensitive, "Processing AESDecryptNode.");
if (IV.Value == null)
{
//Split IV from the data
using (MemoryStream dataWithIV = new MemoryStream(EncryptedData.Value))
{
Byte[] iv = new Byte[16];
dataWithIV.Read(iv, 0, iv.Length);
Byte[] dataBlock = new Byte[dataWithIV.Length - iv.Length];
dataWithIV.Read(dataBlock, 0, dataBlock.Length);
IV.SetValue(iv);
EncryptedData.SetValue(dataBlock);
}
}
Byte[] inBlock = (Byte[])EncryptedData.Value;
DLoggerManager.Instance.Logger.Log(DFramework.Logging.Interfaces.LoggerMessageType.VerboseHigh | DFramework.Logging.Interfaces.LoggerMessageType.Information | DFramework.Logging.Interfaces.LoggerMessageType.Sensitive, "Creating AES decryptor.");
DLoggerManager.Instance.Logger.Log(DFramework.Logging.Interfaces.LoggerMessageType.VerboseHigh | DFramework.Logging.Interfaces.LoggerMessageType.Information | DFramework.Logging.Interfaces.LoggerMessageType.Sensitive, "Key = {0}.", ((Byte[])Key.Value).ToPrettyString());
DLoggerManager.Instance.Logger.Log(DFramework.Logging.Interfaces.LoggerMessageType.VerboseHigh | DFramework.Logging.Interfaces.LoggerMessageType.Information | DFramework.Logging.Interfaces.LoggerMessageType.Sensitive, "IV = {0}.", ((Byte[])IV.Value).ToPrettyString());
DLoggerManager.Instance.Logger.Log(DFramework.Logging.Interfaces.LoggerMessageType.VerboseHigh | DFramework.Logging.Interfaces.LoggerMessageType.Information | DFramework.Logging.Interfaces.LoggerMessageType.Sensitive, "Input = {0}.", inBlock.ToPrettyString());
Byte[] outBlock = AESUtility.DecryptBytes(inBlock, (Byte[])Key.Value, (Byte[])IV.Value);
_unencryptedData.SetValue(UnicodeEncoding.Unicode.GetString(outBlock));
retVal = true;
}
catch (Exception ex)
{
_state = Common.NodeState.Error;
DLoggerManager.Instance.Logger.Log(DFramework.Logging.Interfaces.LoggerMessageType.Fail | DFramework.Logging.Interfaces.LoggerMessageType.Exception | DFramework.Logging.Interfaces.LoggerMessageType.Sensitive, "Exception occurred in AESDecryptNode :: {0}", ex.ToString());
retVal = false;
}
finally
{
_state = Common.NodeState.Processed;
DLoggerManager.Instance.Logger.Log(DFramework.Logging.Interfaces.LoggerMessageType.VerboseHigh | DFramework.Logging.Interfaces.LoggerMessageType.Information | DFramework.Logging.Interfaces.LoggerMessageType.Sensitive, "Processed AESDecryptNode.");
if (retVal)
{
Processed?.Invoke(this, EventArgs.Empty);
}
}
if (retVal)
{
if (_next != null && _next.Length > 0)
{
return(_next[0].Process());
}
else
{
return(true);
}
}
else
{
return(false);
}
}
public Boolean Process()
{
Boolean retVal = false;
try
{
_state = Common.NodeState.Processing;
DLoggerManager.Instance.Logger.Log(DFramework.Logging.Interfaces.LoggerMessageType.VerboseHigh | DFramework.Logging.Interfaces.LoggerMessageType.Information | DFramework.Logging.Interfaces.LoggerMessageType.Sensitive, "Processing AESEncryptNode.");
Boolean randomIV = false;
if (IV.Value == null)
{
Byte[] iv = SimpleRandomGenerator.QuickGetRandomBytes(16);
IV.SetValue(iv);
randomIV = true;
}
Byte[] inBlock = UnicodeEncoding.Unicode.GetBytes((String)PlainText.Value);
DLoggerManager.Instance.Logger.Log(DFramework.Logging.Interfaces.LoggerMessageType.VerboseHigh | DFramework.Logging.Interfaces.LoggerMessageType.Information | DFramework.Logging.Interfaces.LoggerMessageType.Sensitive, "Creating AES encryptor.");
DLoggerManager.Instance.Logger.Log(DFramework.Logging.Interfaces.LoggerMessageType.VerboseHigh | DFramework.Logging.Interfaces.LoggerMessageType.Information | DFramework.Logging.Interfaces.LoggerMessageType.Sensitive, "Key = {0}.", ((Byte[])Key.Value).ToPrettyString());
DLoggerManager.Instance.Logger.Log(DFramework.Logging.Interfaces.LoggerMessageType.VerboseHigh | DFramework.Logging.Interfaces.LoggerMessageType.Information | DFramework.Logging.Interfaces.LoggerMessageType.Sensitive, "IV = {0}.", ((Byte[])IV.Value).ToPrettyString());
DLoggerManager.Instance.Logger.Log(DFramework.Logging.Interfaces.LoggerMessageType.VerboseHigh | DFramework.Logging.Interfaces.LoggerMessageType.Information | DFramework.Logging.Interfaces.LoggerMessageType.Sensitive, "Input = {0}.", inBlock.ToPrettyString());
Byte[] outBlock = AESUtility.EncryptBytes(inBlock, (Byte[])Key.Value, (Byte[])IV.Value);
if (randomIV)
{
using (MemoryStream dataWithIV = new MemoryStream())
{
dataWithIV.Write(IV.Value, 0, IV.Value.Length);
dataWithIV.Write(outBlock, 0, outBlock.Length);
dataWithIV.Flush();
_encryptedData.SetValue(dataWithIV.ToArray());
}
}
else
{
_encryptedData.SetValue(outBlock);
}
retVal = true;
}
finally
{
_state = Common.NodeState.Processed;
if (retVal)
{
Processed?.Invoke(this, EventArgs.Empty);
}
}
if (retVal)
{
if (_next != null && _next.Length > 0)
{
return(_next[0].Process());
}
else
{
return(true);
}
}
else
{
return(false);
}
}