Overview
The fundamental aspects of cryptography that support computer security, and key technologies used to build secure software systems.
The aim of this paper is to provide students with an understanding of the modern theoretical bases of cryptography and how it relates to computer security. The paper also explores a number of widely used computer security technologies.
About this paper
| Paper title | Cryptography and Security |
|---|---|
| Subject | Computer Science |
| EFTS | 0.1500 |
| Points | 18 points |
| Teaching period | Semester 2 (On campus) |
| Domestic Tuition Fees ( NZD ) | $1,173.30 |
| International Tuition Fees | Tuition Fees for international students are elsewhere on this website. |
- Prerequisite
- COSC 201 and one of (COSC 202, COSC 203, COSC 204)
- Restriction
- COSC 412
- Recommended Preparation
- COMP 210, MATH 130
- Schedule C
- Arts and Music, Science
- Contact
- More information link
- Teaching staff
- Paper Structure
The paper covers two main topics, cryptography and security.
Part I (Cryptography) example topics:- Classical cryptosystems
- DES and AES
- The RSA algorithm
- Signatures and secret sharing
- Error correcting codes
- Quantum cryptography
Part II (Security) example topics:
- Kerberos and symmetric cryptography in practice
- TLS/SSL and asymmetric cryptography in practice
- Decentralised authorisation
- Homomorphic encryption and cloud computing
Assessment:
- Two assignments worth 10% each
- One internal assessment worth 20%
- Final exam worth 60%
- Teaching Arrangements
There is one 2-hour lecture per week.
There is one 2-hour lab per week.
There is one 1-hour tutorial available per week.
- Textbooks
Textbooks are not required for this paper.
- Course outline
- Graduate Attributes Emphasised
- Scholarship, Communication, Ethics, Information literacy, Research, Teamwork.
View more information about Otago's graduate attributes. - Learning Outcomes
This paper will enable students to:
- Understand the basic principles of cryptography and cryptanalysis
- Identify the theoretical basis for modern cryptosystems
- Understand the cryptosystems that are currently in widespread use
- Appreciate the importance of complexity in computational tasks
- Understand the advances on the "cutting edge" of modern cryptography and complexity