This is the resource list for Hack The North 2017's Security workshop.
The slides can be found here.
Applied Cryptography by Bruce Schneier
Security in Computing By Charles P. Pfleeger, Shari Lawrence Pfleeger, Jonathan Margulies
Codebreakers By David Kahn
https://en.wikipedia.org/wiki/Alice_and_Bob
http://people.csail.mit.edu/rivest/Rsapaper.pdf
O’Reilly Security Podcast
Cryptography I by Dan Boneh (www.coursera.com)
https://www.hackthissite.org/pages/index/index.php