On 15 Oct 2008 at 16:04, Ben Stones wrote:

> Can you explain to me the benefits of hashing/encrypting/md5'ing cookie
> values? I don't see how it'd stop hackers from changing cookie values?

Hi,

You would keep a copy of the hash on the server and check that against the 
submitted 
value.  If they are different then the cookie has been modified.

Regards

Ian
-- 

> 
> 2008/10/15 Stut <[EMAIL PROTECTED]>
> 
> >  On 15 Oct 2008, at 15:23, Ben Stones wrote:
> >
> >> I've read a few videos on cookie security and it makes sense that people
> >> can
> >> modify cookie values which is a problem I'm trying to figure out to *try*
> >> and prevent. What I'll first do is at the top of the page that validates
> >> if
> >> the cookie values is in the database, but what my next problem is they'd
> >> use
> >> usernames in the database as the vaues. Are there any preventable measures
> >> to prevent cookie forging or what not.
> >>
> >
> > You can encrypt or hash the cookies to prevent tampering...
> >
> >  http://stut.net/blog/2008/07/26/sessionless-sessions-2/
> >
> > -Stut
> >
> > --
> > http://stut.net/
> >
> 



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