Problem1 why does the round-key generator need a parity, Ask an Expert

Engineering

Problem

1. Why does the round-key generator need a parity drop permutation?

2. What is the difference between a weak key, a semi-weak key, and a possible weak key?

3. What is double DES? What kind of attack on double DES makes it useless?

4. What is triple DES? What is triple DES with two keys? What is triple DES with three keys?

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Computer Engineering, Engineering

Category:- Computer Engineering
Reference No.:- M92745757

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