Gray Hat Hacking The Ethical Hacker's Handbook, Fifth Edition, 5th Edition /

by Regalado, Daniel, Harris, Shon, Harper, Allen, Eagle, Chris, Ness, Jonathan, Spasojevic, Branko, Linn, Ryan, Sims, Stephen
Published 2018

Introduction to modern cryptography /

by Katz, Jonathan, 1974-
Published 2015