Question: Mark an incorrect statement regarding a block cipher: ( Mark one answer which fits best. ] It is a pair of algorithms: encryption and decryptionEncryption

Mark an incorrect statement regarding a block cipher:

(

Mark one answer which fits best.

]

It is a pair of algorithms: encryption and decryptionEncryption is a function with two inputs: a key and a plaintext blockThis function is a permutationRecommended key length is

56

bits or larger

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