The element content encryption method is invoked, which encrypts only the textual content of the CardNo element.
调用元素内容加密方法，它只对 CardNo 元素的文本内容加密。
This raises an important question: Why do you need to come up with content encryption when the same can be accomplished using element encryption?
这就提出了一个重要问题：使用元素加密就可以实现同样的内容加密，那为什么还要提出内容加密呢？
The implementation of XML encryption used in the sample code accompanying this article only recognizes the Triple-DES algorithm for content encryption.
本文所附示例代码中的xml加密实现对内容加密只能识别Triple - des算法。
The traditional P2P identification methods are not suitable to widely applied dynamic port and the content encryption.
传统的P2P识别方法对当前P2P动态端口以及内容加密无能为力。
Content encryption essentially means that only the child nodes of the element are encrypted and replaced with an EncryptedData element.
内容加密基本上意味着只加密元素的子节点，并用EncryptedData元素代替。
Content encryption essentially means that only the child nodes of the element are encrypted and replaced with an EncryptedData element.
内容加密基本上意味着只加密元素的子节点，并用EncryptedData元素代替。
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