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Autokey cipher is closely related to ___________(a) Vigenere cipher(b) Hill cipher(c) Play fair cipher(d) Rotor cipherThis question was addressed to me in unit test.This intriguing question comes from Cryptography in portion Cryptography of Data Structures & Algorithms II

Answer»

Correct OPTION is (a) Vigenere CIPHER

The best explanation: AUTOKEY cipher like vigenere cipher uses vigenere table in order to encrypt the plain text. The difference in these cipher is the USAGE of the keyword.



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