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Which of the following ciphers uses a polyalphabetic substitution process?

Which of the following ciphers uses a polyalphabetic substitution process?

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A.
Caesar cipher

B.
Simple substitution

C.
Vigenere

D.
ATBASH

Explanation:
Vigenere is a polyalphabetic substitution cipher created by Blaise de
Vigenere in the 16th century. Polyalphabetic substitution uses multiple alphabets
which makes the algorithm more immune to frequency analysis attacks.


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