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Almost. You're not storing the users' passwords on the server, but the "secret key".

Here's some actual (old) code:
my $secret_key = "BLAHBLAHBLAH"; my $session_cookie = $query->cookie('SessionID'); umask 0066; if($session_cookie) { my $mac; if(($sessionid, $mac) = split("-", $session_cookie)) { ###Ok, the user has returned a cookie, ###let's make sure it's not been tampered with +. if($mac ne md5_hex($sessionid . md5_hex($sessi +onid.$secret_key))) { destroy_cookie($sessionid, "MODIFIED") +; ###Ack. Nasty people return; } else { ###Other checks. }
This way you're not storing the password, you're just making sure the user doesn't modify the data. A reasonable golden rule is: "NEVER trust the data the user hands you".

In reply to Re: Re: Re: Encrypted Storage of sensible Data in a Cookie by davis
in thread Encrypted Storage of sensible Data in a Cookie by projekt21

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