MODERN CRYPTOGRAPHY
MODERN CRYPTOGRAPHY
MODERN CRYPTOGRAPHY
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DES : Exhaustive Key Search<br />
The following claims were published :<br />
Key Search Machine Cost Expected Search<br />
Time<br />
Diffie & Hellman $20m 20 hours<br />
(1977)<br />
Wiener (1993) $10.5m 21 minutes<br />
$ 1.5m 3.5 hours<br />
$600,000 35 hours<br />
NB : Development cost of Wiener’s machine is of the order of $500,000.<br />
IMA 2009<br />
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