将base64的SHA SHAhes转换为Hex哈希 [英] Convert base64'd SHA1 hashes to Hex hashes

问题描述

我有一个使用
$ b

I have a list of passwords in mySQL that are generated using

$hash = '{SHA}' . base64_encode(sha1('some string here', true));

我需要将它们转换成相当于

I need to convert these into what would be the equivalent of

$hash = sha1('some string here');

由于这些是我们的邮件系统使用的密码，我们想要转换为另一个邮件系统（但要求它是40字符的十六进制哈希：（

As these are password that our mail system uses, and we want to convert to another mail system (but requires that it be the 40 char hex hash :(

我如何从一种格式转换为另一种格式（我很确定我以前做过这个，但是另一种方式，虽然我找不到代码！）

How would I convert from one format to the other (I'm pretty sure I've done this before, but the other way, though I can't find the code!)

请注意，我提到数据是在mySQL中 - 这是无关紧要的 - 我知道如何得到的数据，只是不转换它。

As a note, I mentioned that the data is in mySQL - this is irrelevant - I know how to get the data, just not to convert it.

散列是相同的 - 我只是试图转换信息的方式打包（我认为这只是需要）

The hash is the same - I am only trying to convert the way the information is packed (I think this just needs to be converted from base64 to base16, but that's just a guess!)

推荐答案

$binary = base64_decode(substr($hash, 5));
$hex = bin2hex($binary);

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