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Problem

Alice and Bob have decided to ignore Kirchhoff's principle and hide the type of the cipher they are using

a. How can Eve decide whether a substitution or a transposition cipher was used?

b. If Eve knows that the cipher is a substitution cipher, how can she decide whether it was an additive, multiplicative, or affine cipher?

c. If live knows that the cipher is a transposition. how can she find the size 01 the section (m)?

Computer Engineering, Engineering

  • Category:- Computer Engineering
  • Reference No.:- M92745790

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