另一方面，本文后面提供的例子使用原始的二进制格式在客户端和服务之间交换数据，这进一步强调了表示格式的随意性。
On the other hand, the example provided later on in this article uses raw binary format to exchange data between the client and the service to stress the fact that this format is arbitrary.
捕获原始数据包，使您能够了解哪些主机正在与给定的主机进行通信、正在交换什么信息，以及正在使用哪些信息。
Capturing raw packets enables you to see which hosts are communicating with a given host, what information is being exchanged, and which are being used.
通常消息交换程序并不真正使用用户的私钥签署原始消息本身。
Usually the messaging program doesn't actually sign the original message itself with the user's private key.
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