CS 465 Computer Security

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Welcome to CS465 Computer Security (Fall 2013)!


For more information about labs, be sure to join the course's Google Group.


Attention please, the passoff schedule sheet is ready for signing up!

passoff schedule sheet

Please add your name into any blank time slot to setup appointment with TAs for a coming passoff.

Instructor

Kent Seamons
Office: 2248 TMCB
Office Hours: by appointment
Email: seamons@cs.byu.edu

TAs

Please check our hours for any changes before coming in.

Lucas (Yuanzheng) Song
Email: cs465ta@cs.byu.edu
Location: 2236 TMCB
Hours:

  • MW 1pm - 5pm
  • TTh 1pm - 3pm
  • Fr 9am - 5pm


Sean Beck
Email: cs465ta@cs.byu.edu
Location: 2236 TMCB (ISRL)
Hours:

  • MWF 10am - 1pm, NO HOURS on the 6th
  • TTh 9am - 12pm

Lecture

Section 001: TTh 3:00 ~ 4:15 pm, F201 HFAC

Description

This course will cover fundamental principles of computer security. The course consists of two parts:

  • Part 1: Applied Cryptography - We will study and experiment with basic cryptographic primitives (symmetric encryption, asymmetric encryption, MAC, and cryptographic hash functions). We will learn how these primitives are used to achieve certain security properties. We will then study real-world protocols like HTTPS and secure email to see how these primitives are used in real systems.
  • Part 2: Software Security - We will learn about some of the most common errors that software developers make that attackers then exploit. We will learn how to avoid or prevent these mistakes.


Prerequisites

CS 360 (concurrent) or Instructor Consent


Classroom Procedures

Student learning activities consist of exams, homework, and hands-on programming projects.


Projects:

Each week that a project is assigned, it is due at 5 PM on Friday. Students are encouraged to meet project deadlines. I want to see all students complete every lab by the end of the semester. As an incentive to help you stay current, late days and early days (maximum of 5) for each project will be recorded (weekends and university holidays excluded). A total of five (5) free early days for the semester will be given. At the end of the semester, you will receive a penalty if your late day balance exceeds your early day balance. Your overall project points may be penalized up to 2% for each late day on your final balance. If all projects are completed, the penalty for late days will be capped at 20% so that your grade is reduced by a maximum of one letter grade.


Project Pass-off Policies

  • Projects may be written in the language of your choice unless instructed otherwise.
  • Projects must be passed off by the TA in person, unless instructed otherwise.
  • You may pass off a project after the deadline for full credit, and without using late days, provided you email a SHA-1 checksum of all files associated with your project to the TA before the deadline. You can generate the checksum again at passoff to convince the TA that your assignment was completed on time. You can generate a checksum on linux using openssl (e.g., >openssl dgst -sha1 <filename> ). Search online for how to do this on other systems.


Homework:

Homework is due on Tuesday at the beginning of class. Usually we will have you submit it online in LearningSuite before it is due.
Grading: Each homework is worth 25 points

Late Homework Policy:

  • Submitted by the following class period after it is due: max 15 pts
  • Submitted by the next exam: max 10 pts


Study Habits

Successful students attend class regularly and complete assignments on time. Students are encouraged to work together in groups to discuss topics and assignments. A good rule of thumb is that only your hands should be in on the keyboard when you are entering your solution. Do not share your work with any other students.


Learning Outcomes

Build a system

Implement a cryptographic algorithm from a standards specification.

Break and fix a system

Demonstrate how attackers compromise real-world systems, and then show how to prevent these attacks.


Grading Scale

A 93-100 B- 80-82 D+ 67-69
A- 90-92 C+ 77-79 D 63-66
B+ 87-89 C 73-76 D- 60-62
B 83-86 C- 70-72 E 59 and lower
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