Firewalls: Re: Brute-force cracking of encryption keys

Firewalls
(March 1994)

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Subject:	Re: Brute-force cracking of encryption keys
From:	ofer @ stat . Berkeley . EDU
Date:	Thu, 3 Mar 1994 11:43:28 +0800
To:	Firewalls @ GreatCircle . COM

My calculations show that if there are n keys, then the expected
number of keys I have to check is only (n+1)/2.

But I'm assuming that the quoted figures for PCs is worst case, right?

So I'm glad I can expect to have to buy only half the quoted
number of PCs 8-).

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