• Cryptography • Authentication techniques • PKI

• Cryptography • Authentication techniques • PKI, CA, cert

• Definitions • Passwords – Unix Passwords – One time passwords • Challenge-response techniques – Basic protocol constructions – Also “one-time” • Authentication Involving TTP – Needham-Schroeder – Kerberos

• Definitions • Passwords – Unix Passwords – One time passwords • Challenge-response techniques

• What is “Information Security” • A brief history of Info sec • Threats、Attacks and Defenses

• Symmetric Cryptography • Asymmetric Cryptography

 Overview of Network Security  Cryptographic hash functions  User authentication  SSL  IPSec & IKE  Distributed Denial of Service (DDoS)  Firewall  Reading List

• Principles of Public-Key Cryptosystems • The RSA Algorithm

复旦大学：《信息安全》教学课件_03 Modern Block Ciphers

《电子商务支付与安全》课程教学资源（参考资料）加密技术简介——文献资料