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Cracking Codes with Python
book

Cracking Codes with Python

by Al Sweigart
January 2018
Intermediate to advanced content levelIntermediate to advanced
416 pages
10h 40m
English
No Starch Press
Content preview from Cracking Codes with Python

19FREQUENCY ANALYSIS

“The ineffable talent for finding patterns in chaos cannot do its thing unless he immerses himself in the chaos first. If they do contain patterns, he does not see them just now, in any rational way. But there may be some subrational part of his mind that can go to work . . .”—Neal Stephenson, Cryptonomicon

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In this chapter, you’ll learn how to determine the frequency of each English letter in a particular text. You’ll then compare these frequencies to the letter frequencies of your ciphertext to get information about the original plaintext, which will help you break the encryption. This process of determining how frequently ...

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Publisher Resources

ISBN: 9781492067498