Explain Playfair cipher technique in detail. Find the cipher text for theplain text ‘GTUINSEXAM’ using ‘STUDY’ as a key.
Question
Solution 1
The Playfair cipher is a manual symmetric encryption technique and was the first literal digraph substitution cipher. The scheme was invented in 1854 by Charles Wheatstone but was named after Lord Playfair who promoted the use of the cipher.
The technique encrypts pairs of letters (digraphs), inste Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study prob
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