Mono-alphabetic and Playfair cipher
Define: a) Mono-alphabetic cipher b) Playfair cipher c) Transposition cipher
Define:
a) Mono-alphabetic cipher
b) Playfair cipher
c) Transposition cipher
Expert
a) Mono-alphabetic cipher : A mono-alphabetic cipher maps the plain alphabet to the cipher alphabet. In this, the single cipher alphabet is used per message. b) Playfair cipher : The best-known multiple-letter encryption cipher refers to the playfair, that treats the diagrams within the plain text as single units and transforms these units into the cipher text diagrams. c) Transposition cipher : Transposition cipher refers to a cipher that is achieved by carrying out some sort of the permutation over the plaintext letters.
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