我从github那里得到了这个代码，如果我没错，这在帐户注册过程中用作WhatsApp签名。
这是代码
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有人可以向我解释这段代码是如何生成的吗？如果我想生成我自己的代码，我该怎么办？问这个是因为想知道这个代码背后的真正含义......