Why is Double DES never used?

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NIKA_R2021-07-29 21:49:50

Cryptography

NIKA_R, 2021-07-29 21:49:50

Why doesn't Double DES increase encryption strength as the key increases.
But at the same time Triple DES is more resistant.
DES

Rhetorical question ) .

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2 answer(s)

O

Ocelot, 2021-07-30
@Ocelot

Double DES is broken by a meeting in the middle.

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Denis Zagaevsky, 2021-07-29
@zagayevskiy

Googling stupidly. crypto.pp.ua/2010/12/algorithm-double-des