https://ece.uwaterloo.ca/~kvaniea/teaching/ece458/S2026/modules/cryptography/index.html Cryptography is the study of encryption approaches and is one of the most basic tools used in security. In this module we will cover some of the basic principles of cryptography and some of the most common cryptography aprroaches. Slides 2025 Slides 06 Cryptography Introduction Topics: Man in the Middle, substitution ciphers, one time pad, stream ciphers, block ciphers 06-Handout 07 Cryptography Topics: Playfair cipher, crypto errors, hash functions, hmac, sp-networks 07-Handout – (Answers) 08 Cryptography Recommended Reading Security in Computing - Chapter 2.1 and 2.2 Hugo en-us kami.vaniea@uwaterloo.ca (Kami Vaniea) kami.vaniea@uwaterloo.ca (Kami Vaniea)