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A way to improve on the simple monoalphabetic technique is to use different monoalphabetic substitutions as one proceeds through the plaintext message. The general name for this approach is ___________ .
A. rail fence cipher
B. cryptanalysis
C. polyalphabetic substitution cipher
D. polyanalysis cipher

Respuesta :

Limosa

Answer:

Option C i.e., polyalphabetic substitution cipher.

Explanation:

Using that of the various mono-alphabetic replacements as a progresses through all the clear text messages is a method to enhance the basic mono-alphabetic strategy. For such a method the common term is a polyalphabetic substitution cipher.

So, that's why the following option is correct according to the scenario.

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