DES Algorithm

Question

 

Comments

Inverse of Initial Permutation is nothing but saying the index of an element in array, this is the last step in DES while generating cipher text

now for IP= 45613702

Create a new array arr

arr[0]=>index of 0 in IP=>6

arr[1]=>index of 1 in IP=>3

similarly if we proceed  we get Option D.

 

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is DES IN THE SYLLABUS

Answer 1

i dont think so ..its in 2019 syllybus