加密在VBScript / ASP经典，解密PHP？ [英] Encrypt in VBScript/ASP Classic, Decrypt in PHP?

问题描述

我期待加密在VBScript中的字符串，而在PHP中对其进行解密。我有过的VBScript / ASP Classic环境的完全控制，但在我的PHP环境零控制。

I'm looking to encrypt a string in VBScript, and decrypt it in PHP. I have full control over the VBScript/ASP Classic environment, but zero control over my PHP environment.

鉴于此，可我用什么样的加密，这将是足够充分的，以确保一个字符串？道歉问题的模糊性，但我不知道从哪里开始。

Given this, what sort of encryption could I use that would be adequate enough to secure a string? Apologies for the vagueness of the question, but I do not know where to begin.

推荐答案

你应该尽量简单地用标准的加密/解密算法的第一件事。

The first thing you should try is simply using a standard encryption/decryption algorithm.

的问题是，这些是由在PHP mcrypt扩展处理，并且可能会或可能不会有那么可用。

The problem is that these are handled by the php mcrypt extension and you may or may not have then available.

您想 mdecrypt_generic 。但是，你可以测试它：

You want mdecrypt_generic. But you can test for it with:

<?php

if(function_exists('mdecrypt_generic')){
      echo "Fred says 'you are going to be OK!'";
}else{
      echo "Fred says 'it is a shame you cannot control your php environment'";
}

?>

如果它存在，你用相同的算法和参数上的VBScript / ASP加密解密应该对PHP就好然后纯文本。要ppared尝试不同的算法，如果你得到有趣的结果$ P $，有时一个参数才能真正惹你了...如果你没有那么mcrypt的检查OpenSSL的。 openssl_seal 可以做同样的工作适合你，但你需要乱用在这种情况下X509的键。 （我喜欢 CACert.org 简单X509外包...）

If it exists then plain text that you encrypt with the same algorithm and parameters on VBScript/ASP should decrypt on PHP just fine. Be prepared to try different algorithms if you get funny results, sometime a "parameter" can really mess with you... If you do not have mcrypt then check for openssl. openssl_seal can do the same work for you, but you need to mess with x509 keys in that case. (I like CACert.org for simple x509 outsourcing...)

其他的事情要考虑...你真的需要加密或者仅仅是混淆

The other thing to consider... do you really need encryption or merely obfuscation?

HTH，

-FT

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