understanding-cryptography-cover Understanding Cryptography, A Textbook for Students and Practitioners, by Christof Paar and Jan Pelzl
kryptografie-verstaendlich-cover Kryptografie verständlich: Ein Lehrbuch für Studierende und Anwender, by Christof Paar and Jan Pelzl
youtube Introduction to Cryptography by Christof Paar, YouTube channel with 24 lectures
ikv-skript Implementation of Cryptographic Schemes 1, Lecture notes for a course for 3rd year bachelor students which deals with efficient implementation and side-channel attacks.