Welcome to  ECE 628 Computer Network Security Winter 2025! 

This course focuses on the  fundamental principles of   computer network security.   In this year, we will cover the topics including   practical  symmetric-key and public-key cryptographic schemes,     semantic security,   network and wireless security,   multicast security,   trusted platform,  tamper resistant hardware, detection of relay attacks,  decentralized system security, blockchain and cryptocurrency,    zero-knowledge proofs for blockchain privacy, privacy enhanced technologies, secure machine learning,   post-quantum cryptography and quantum key distribution.