Re: timestamp based protocol

From: "cicap" <cicap@xxxxxxxxxx>
Date: Tue, 31 Jan 2006 17:35:23 +0100

"stan" <stan@xxxxxxxxxx> ha scritto nel messaggio
news:2r3vt1drfcd3lohr2r3f8e3qtc5mlbg67b@xxxxxxxxxx
> On Tue, 31 Jan 2006 16:55:27 +0100, "cicap" <cicap@xxxxxxxxxx> wrote:
>

> Possibly they are using the timestamp tA in the generation of a nonce
> or IV, although this seems ill-advised.

hmmm...no I don't think this simply because nonce are intriduced in the next
chapter :)

>
> Or they are trying to avoid some type of replay attack.
>
>

If acceptance window is slightly greater then "skew"+"netword
delay"+"message processing delay" it is impossible a reply attach, isn't it?

.

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