[CST-2] Security: 2000 P9 Q6

[Max Kolombos]

> OK, I can see how this can be drawn out into a 6-mark answer...
>
> But then comes the second part, where the change to the protocol
> has addressed neither the "problem" nor the attack.  What can be
> written for 12 marks?
>
> Help!
>
> A

our supervisor said that this was a mistake by the question setter. the
marking scheme i think gives you 12 marks for simply pointing out that the
attack is exactly the same as the bit before. thats it...

max k.