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Authors:
William Stallings
Chapter:
Electronic Mail Security
Exercise:
Problems
Question:10 | ISBN:9781292158587 | Edition: 7

Question

Consider base64 conversion as a form of encryption. In this case, there is no key. But suppose that an opponent knew only that some form of substitution algorithm was  being used to encrypt English text and did not guess that it was base64. How effective would this algorithm be against cryptanalysis?

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