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WebApp Sec: Re: Quiz: Can you spot the flaw

Re: Quiz: Can you spot the flaw

From: Saqib Ali <docbook.xml_at_gmail.com>
Date: Tue, 5 Jul 2005 14:27:28 -0700

> It is listed as:
>
> [Key(client, TGS)]Key(client)
>
> The TGS shouldn't know the secret key of the client. In addition, the
> client already has Key(client, TGS), what it needs is
> Key(client,service) to communicate with the Service Server.
>
> So it should be:
>
> [Key(client, service)]Key(client, TGS)

yup you got it! :)

> Do I win a prize?
yup. Should I send it to your Eugene, Oregon address? 

-- 
In Peace,
Saqib Ali
http://www.xml-dev.com/
Received on Jul 05 2005
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