public void Serialize <T>(Stream output, ISendContext <T> context)
where T : class
{
try
{
using (var clearStream = new MemoryStream())
{
_wrappedSerializer.Serialize(clearStream, context);
using (var readStream = new MemoryStream(clearStream.ToArray(), false))
{
using (ICryptographyService cryptographyService = new RijndaelCryptographyService(_key))
{
EncryptedStream encryptedStream = cryptographyService.Encrypt(readStream);
var encryptedMessage = new EncryptedMessageEnvelope
{
CipheredMessage = Convert.ToBase64String(encryptedStream.GetBytes()),
Iv = Convert.ToBase64String(encryptedStream.Iv),
};
// Encrypt message and set context
var encryptedContext = new SendContext <EncryptedMessageEnvelope>(encryptedMessage);
encryptedContext.SetUsing(context);
encryptedContext.SetMessageType(typeof(EncryptedMessageEnvelope));
// Serialize secure message to output
_wrappedSerializer.Serialize(output, encryptedContext);
// Set the encrypted context back into the send context
encryptedContext.SetContentType(ContentTypeHeaderValue);
context.SetUsing(encryptedContext);
}
}
}
}
catch (SerializationException)
{
throw;
}
catch (Exception ex)
{
throw new SerializationException("Failed to serialize message", ex);
}
}