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# Use the autokey cipher to encrypt the message THE DREAM OF ISBN: 9780073383095 37

## Solution for problem 49E Chapter 4.SE

Discrete Mathematics and Its Applications | 7th Edition

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Problem 49E

Use the autokey cipher to encrypt the message THE DREAM OF REASON (ignoring spaces) usinga) the keystream with seed X followed by letters of the plaintext.________________b) the keystream with seed X followed by letters of the ciphertext.

Step-by-Step Solution:

SolutionStep 1In this problem we have to find the encrypted message by using autokey cipher“THE DREAM OF REASON”1. Key with seed X followed by plain text.2. Key with seed X followed by cipher text.Step 2Auto key CipherIt is a cipher key where plain text acts as a key.a) First we convert the letters(A to Z ) into the number(1 to 26). A= 0, B= 1, C= 2, D= 3, E= 4, F= 5, G= 6, H= 7, I= 8, J= 9, K= 10, L= 11, M= 12, N= 13, O= 14, P= 15, Q=...

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##### ISBN: 9780073383095

Since the solution to 49E from 4.SE chapter was answered, more than 328 students have viewed the full step-by-step answer. The answer to “Use the autokey cipher to encrypt the message THE DREAM OF REASON (ignoring spaces) usinga) the keystream with seed X followed by letters of the plaintext.________________b) the keystream with seed X followed by letters of the ciphertext.” is broken down into a number of easy to follow steps, and 37 words. This textbook survival guide was created for the textbook: Discrete Mathematics and Its Applications, edition: 7. Discrete Mathematics and Its Applications was written by and is associated to the ISBN: 9780073383095. The full step-by-step solution to problem: 49E from chapter: 4.SE was answered by , our top Math solution expert on 06/21/17, 07:45AM. This full solution covers the following key subjects: letters, seed, keystream, followed, autokey. This expansive textbook survival guide covers 101 chapters, and 4221 solutions.

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