使用PHP进行最简单的双向加密 [英] Simplest two-way encryption using PHP

问题描述

在常见的PHP安装中，最简单的方法是进行双向加密？

What is the simplest way of doing two way encryption in common PHP installs?

我需要使用字符串键加密数据，并使用相同的方法关键是在另一端解密。

I need to be able to encrypt data with a string key, and use the same key to decrypt on the other end.

安全性并不像代码的可移植性那么大，所以我想保持事情尽可能简单。目前，我正在使用一个RC4实现，但是如果我能找到一些本地支持的东西，我可以保存很多不必要的代码。

The security isn't as big of a concern as the portability of the code, so I'd like to be able to keep things as simple as possible. Currently, I am using an RC4 implementation, but if I can find something natively supported I figure I can save a lot of unnecessary code.

推荐答案

已编辑

您应该真正使用 openssl_encrypt（）& openssl_decrypt（）

You should really be using openssl_encrypt() & openssl_decrypt()

As Scott 表示，Mcrypt不是一个好主意，因为它自2007年以来还没有更新。

As Scott says, Mcrypt is not a good idea as it has not been updated since 2007.

甚至有一个RFC从PHP中删除Mcrypt - https：//wiki.php .net / rfc / mcrypt-viking-funeral

There is even an RFC to remove Mcrypt from PHP - https://wiki.php.net/rfc/mcrypt-viking-funeral

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