[rc5] Re: One Time Pad

Bill Plein bill at diablo.net
Mon Oct 27 13:55:45 EST 1997


At 01:19 PM 10/27/97 -0600, you wrote:
>I guess that would be a workable situation.  I still believe that in such a
>case it would still be VERY possible for someone to steal the book, copy it
>down, and then have access to ALL correspondence for the next three years. 
>A RC5-128 bit key that was switched (with the new key sent using the old
>encryption) every week or so would still be much better, IMHO.  (I can't
>imagine a situation where personal security was BETTER than data security.)
>
>Mike "Silby" Silbersack
>silby at execpc.com

That is why OTP is seldom if ever used these days.

But think back to 1936, pre-war Europe, diplomatic bags, etc. When they
didn't have computers, personal security was equivalent to data security.


--
Bill Plein
bill at diablo.net 
PGP Key:
http://keys.pgp.com:11371/pks/lookup?op=get&exact=on&search=0x3860E5B9

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