是的，有可能。假设你有任何编译到你的应用程序的东西，它可以[并将]被某人发现。即使今天不可能，您也会创建此类信息的冻结记录，这些信息很容易受到未知或未知的任何攻击。

Yes, it is possible. Assume that if you have anything compiled into your app, it can [and will] be discovered by someone somewhere. Even if it isn't possible today, you are creating a frozen record of such information that will be vulnerable to any future attacks, known or unknown.

您真的需要用户执行一些验证它们的任务。有一百万种方法可以做到这一点，对于每一种方法，有一百万种方法可以做错。 ：）

You really need the user to perform some task that authenticates them. There are a million and one ways to do that, and for every one of those, a million and two ways to do it wrong. :)

在不了解更多有关您的具体要求的情况下，除了保持简单并且不存储或发送任何明确的内容之外，不可能真正说出更多内容。文字。

Without knowing more about your specific requirements, it is impossible to really say much more outside of "keep it simple and don't store or send anything in clear-text".