Differential cryptanalysis: Difference between revisions

Revision as of 23:24, 9 April 2022

Revision as of 13:31, 8 September 2022

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For any particular cipher, the input difference must be carefully selected for the attack to be successful. An analysis of the algorithm's internals is undertaken; the standard method is to trace a path of highly probable differences through the various stages of encryption, termed a ''differential characteristic''.

Since differential cryptanalysis became public knowledge, it has become a basic concern of cipher designers. New designs are expected to be accompanied by evidence that the algorithm is resistant to this attack, and many, including the [[Advanced Encryption Standard]], have been [[Mathematical proof|proven]] secure against the attack.{{Citation needed|date=September 2015}}

==Attack in detail==