Question: 1. A. A larger key space makes a cipher __ secure against _ attack. more, any more, a brute-force less, any less, a side-channel B.

A larger key space makes a cipher ________ secure against _______ attack.

more, any

more, a brute-force

less, any

less, a side-channel

Modular arithmetic, used in cryptography, is part of number theory, which _________________ has been seen as a branch of mathematics ______________________ applications.

historically, without any

historically, with specific

recently, without any

recently, with unlimited

The security of a stream cipher depends on _________________________.

the random generation of keys

a changing initialization vector

all of these

the synchronization of the keystreams

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Question: 1. A. A larger key space makes a cipher ________ secure against _______ attack. more, any more, a brute-force less, any less, a side-channel B.

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Question: 1. A. A larger key space makes a cipher __ secure against _ attack. more, any more, a brute-force less, any less, a side-channel B.