I. Explain how in a substitution cipher you substitute one value for another. II. Describe a type

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I. Explain how in a substitution cipher you substitute one value for another.
II. Describe a type of substitution based on a monoalphabetic substitution and how it only uses one alphabet whereas a polyalphabetic substitution uses at least two alphabets and are more advanced in nature.
III. An advanced type of substitution cipher that uses a simple polyalphabetic code is the Vigenère cipher. Ongoing information security activities provide the appropriate support to the goals aligned with the agency mission.

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Principles Of Information Security

ISBN: 9780357506431

7th Edition

Authors: Michael E. Whitman, Herbert J. Mattord

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