Firewalls: Re: SDI etc. (3of3)

Firewalls
(December 1995)

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Subject:	Re: SDI etc. (3of3)
From:	Phil Howard <phil @ colt . milepost . com>
Date:	Sat, 2 Dec 1995 13:20:15 -0600 (CST)
To:	PADGETT @ hobbes . orl . mmc . com (A. Padgett Peterson, P.E. Information Security)
Cc:	firewalls @ GreatCircle . COM
In-reply-to:	<951202100937 . 20219446 @ hobbes . orl . mmc . com> from "A. Padgett Peterson, P.E. Information Security" at Dec 2, 95 10:09:37 am

> Am a bit confused here. How is this different from challenge/response except
> that instead of an unpredictable challenge, you are exchanging a very
> predictable (and spoofable) time hack that is used to develop the response ?
> 
> I mean "let's synchronize our watches" went out as soon as earpiece 
> communicators (like the SS wears) became available.

My question still remains, how do we make "syncronize our watches" itself
secure?

References:

re: SDI etc. (3of3)
From: "A. Padgett Peterson, P.E. Information Security" <PADGETT @ hobbes . orl . mmc . com>

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