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Cryptography20825 marksChallenge Response System

Define authentication system. Discuss about challenge response system.

Define authentication system. Discuss about challenge response system. [5]

An authentication system is a security measure put in place to secure data and systems by requiring additional input beyond username and password for users to access a system. An authentication system consists of five components required for the overall authentication process: Component Descripti...

Up nextDecrypt the ciphertext 'HI' using Hill Cipher where the key is. Ciphertext: HI, Key: