| Course Code | CSC109S2 |
| Course Title | Introduction to Computer Security and Cryptography |
| Academic Credits | 2 (30 hours of Lectures and Tutorials) |
| Prerequisite/s | None |
| Objectives: | Introduce Computer security principles and cryptography, and analyse the need of Public key infrastructure and its applications |
| ILOs: | - Describe the concepts of computer security and cryptography
- Describe different symmetric key and public key encryption algorithms
- Discuss the importance of Public key Infrastructure and its applications
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| Contents: | - Foundations of computer security: introduction to computer security and cryptography
- Concepts of risks, threats, vulnerabilities and types of attacks: computer security attacks, types, attacker goals, motivations (such as underground economy, digital espionage, cyberwarfare, insider threats, hacktivism, advanced persistent threats), examples of malware, organizational vulnerabilities and threats
- Key security properties: confidentiality, integrity and availability
- Concepts of authentication, authorization and access control: osi security architecture, security services and security mechanisms
- Classical encryption techniques: Symmetric key ciphers, substitution techniques, transposition techniques, other classical encryption tools, key management techniques
- Public-key cryptography and its applications: introduction to pki, hash functions, digital signatures and digital certificates, secure web browsing, e-commerce, secure authentication
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| Teaching Methods: | Lectures, Class discussion, Recitation oral questions, Lecture demonstration, Small group discussions, Use of slides, Textbook assignments. | |
| Evaluation Criteria: | - In-course Assessments ——————- 30%
- End-of-course Examination ————— 70%
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| Recommended Readings: | - W. Stallings, Cryptography and Network Security: Principles and Practice, 6th Ed., 2013.
- J. Katz and Y. Lindell. Introduction to Modern Cryptography, 2nd Ed., 2014.
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