Cracking Codes with Python: An Introduction to Building and Breaking Ciphers - Softcover

Sweigart, Al

 
9781593278229: Cracking Codes with Python: An Introduction to Building and Breaking Ciphers
Softcover
ISBN 10: 1593278225 ISBN 13: 9781593278229
Verlag: No Starch Press, 2018

Inhaltsangabe

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!

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Über die Autorin bzw. den Autor

Al Sweigart is a professional software developer who teaches programming to kids and adults. He is the author of Automate the Boring Stuff with Python, Invent Your Own Computer Games with Python, and Scratch Programming Playground, also from No Starch Press. His programming tutorials can be found at inventwithpython.com.

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Verlag
No Starch Press
Erscheinungsdatum
2018
Sprache
Englisch
ISBN 10 
1593278225
ISBN 13 
9781593278229
Einband
Taschenbuch
Anzahl der Seiten
416
Kontakt zum Hersteller
preigu GmbH & Co. KG
mail@preigu.de

Lengericher Landstr. 19
Osnabrück
Niedersachsen
49078
Deutschland