Alice communicates some secret message to John. Attacker EVE exist in the network and capturing the communications, anyhow EVE gets to know that the security algorithm in use is playfair cipher and key is "CRYPTOGRAPHY". If captured ciphertext is "XFQBFQHELQBCFMDCABVFLVZBLD" then find out actual plaintext decrypted by EVE.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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Alice communicates some secret message to John. Attacker EVE exist in the network and capturing the communications, anyhow EVE gets to know that the security algorithm in use is playfair cipher and key is "CRYPTOGRAPHY". If captured ciphertext is "XFQBFQHELQBCFMDCABVFLVZBLD" then find out actual plaintext decrypted by EVE.

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