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
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