MODERN CRYPTOGRAPHY
MODERN CRYPTOGRAPHY
MODERN CRYPTOGRAPHY
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Key Search for DES<br />
56 bit key requires 2 56 tests<br />
2 56 = 7.2 x 10 16<br />
with 10 6 testing devices, at 10 6<br />
Complete test cycle in 7.2 x 10 4<br />
test/ seconds each:<br />
seconds = 20 hours<br />
A ‘hit’ might be expected in 10 hours<br />
IMA 2009<br />
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