Keep in mind that SSL will also involve at least one authentication of the server to whom a message is being sent, thus some redundancy is occurring.
请谨记,SSL将至少包括对消息要发送到的服务器的一项验证,因而就会产生一些冗余。
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Claude Shannon the genius mathematician and engineer for Bell LABS who founded information theory showed how redundancy-repeating the message — compensates for noise.