Al Sweigart

(Author)

Cracking Codes with Python: An Introduction to Building and Breaking CiphersPaperback, 23 January 2018

Cracking Codes with Python: An Introduction to Building and Breaking Ciphers
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Reading Age
Ages: 12
Grade Levels
7
Print Length
416 pages
Language
English
Publisher
No Starch Press
Date Published
23 Jan 2018
ISBN-10
1593278225
ISBN-13
9781593278229

Description

Learn how to program in Python while making and breaking ciphers--algorithms used to create and send secret messages!

After a crash course in Python programming basics, you'll learn to make, test, and hack programs that encrypt text with classical ciphers like the transposition cipher and Vigenère cipher. You'll begin with simple programs for the reverse and Caesar ciphers and then work your way up to public key cryptography, the type of encryption used to secure today's online transactions, including digital signatures, email, and Bitcoin.

Each program includes the full code and a line-by-line explanation of how things work. By the end of the book, you'll have learned how to code in Python and you'll have the clever programs to prove it!

You'll also learn how to:

- Combine loops, variables, and flow control statements into real working programs

  • Use dictionary files to instantly detect whether decrypted messages are valid English or gibberish
  • Create test programs to make sure that your code encrypts and decrypts correctly
  • Code (and hack!) a working example of the affine cipher, which uses modular arithmetic to encrypt a message
  • Break ciphers with techniques such as brute-force and frequency analysis

There's no better way to learn to code than to play with real programs. Cracking Codes with Python makes the learning fun!

Product Details

Audience:
Ages: 12
Author:
Al Sweigart
Book Format:
Paperback
Country of Origin:
US
Date Published:
23 January 2018
Dimensions:
23.11 x 17.78 x 2.29 cm
Educational Level:
Grade Levels: 7
ISBN-10:
1593278225
ISBN-13:
9781593278229
Language:
English
Pages:
416
Publisher:
Weight:
793.79 gm

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