Applied algebra: codes ciphers and discrete algorithms

Codes and Ciphers : Julius Caesar, the Enigma, and the Internet.

History of Cryptography and Cryptanalysis Codes, Ciphers, and Their Algorithms

Cracking codes with Python : an introduction to building and breaking ciphers

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Cracking codes & cryptograms for dummies

Hands-on cryptography with Python : leverage the power of Python to encrypt and decrypt data

Practical cryptography in Python : learning correct cryptography by example

Security of block ciphers : from algorithm design to hardware implementation

Cryptography cracking codes

The Reader of Gentlemen’s Mail : Herbert O. Yardley and American Intelligence.

Selected Areas in Cryptography – SAC 2017 24th International Conference, Ottawa, ON, Canada, August 16-18, 2017, Revised Selected Papers