RE: [PHP] hash problem.
| From: | Bob McConnell | Date: | Thu, 29 Jul 2010 14:26:31 +0000 |
| Subject: | RE: [PHP] hash problem. | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-307212@lists.php.net to get a copy of this message | ||
From: João Cândido de Souza Neto
> I´ve got the setting in my /etc/login.defs file as bellow:
>
> # Use MD5 or DES to encrypt password? Red Hat use MD5 by default.
> MD5_CRYPT_ENAB no
>
> ENCRYPT_METHOD SHA512
>
> So, when I try to get this:
>
> echo hash("sha512", $_POST["password"]);
>
> It does not match the password the user´s got in /etc/shadow file.
>
> Anyone knows why?
I believe you forgot the salt. Traditionally, Unix adds an additional value to the password before
it is encrypted. I don't know where that comes from.
Bob McConnell