uwloo

ECE 409Cryptography and System Security

Units
0.50
Faculty
Engineering
Subject
Electrical and Computer Engineering

When it runs

  1. F24
  2. W25
  3. S25
  4. F25
  5. W26
  6. S26
  7. F26
  8. W27
  9. S27

Ran in 2 of the last 7 terms. Winter 2027: not on the schedule. Spring 2027: schedule not out yet.

Introduction to cryptology and computer security, theory of secure communications, points of attack, conventional cryptographic systems, public key cryptographic systems, standards, firewalls, wireless system security, applications.

Prerequisites

  • Complete all of the following
    • Students must be in level 4A or higher
    • Complete 1 of the following

Antirequisites

  • Complete all of the following
    • Not completed nor concurrently enrolled in any of the following:
      • CO487 - Applied Cryptography (0.50)
    • Not completed any of the following:

Leads to

Reviewed on UW Flow

75% liked it0% easy50% useful

From 4 ratings and 1 comment on UW Flow. The most helpful comments, quoted as written, without names. Read them all on UW Flow.

  • This course is much different than other security courses such as CS 458. The one assignment is not difficult and the only programming is done on the project, which can be completed relatively quickly. However, the course goes into depth on the operation of many real-world protocols such as TLS, GSM, Kerberos, WEP, and IKE.

    Apr 2015 · liked it · 1 found this helpfulOn UW FlowRemove this

Discussed on r/uwaterloo

8 posts and comments in 8 threads mention ECE 409, December 2014 to December 2024. Quoted word for word, newest first; each reply sits under the post and the comment that started its branch. Search r/uwaterloo for newer posts.

Winter 2020

Fall 2018

Winter 2017

Is CE even worth it? 11 points, 48 comments

“Not asking what the differences between the two are but I know that CS is often less stress since you'd have a lighter schedule, freedom through electives, not really have any labs (which gives you …”

u/porfavoooor: “generally speaking CE is for when you have your mind dead set on sensors or robotics, otherwise, you should do CS, which overlaps from the OS up to most things systems with CE. …”

u/Tree_Boar: “For security, the CS course is the same as the ECE course. ECE also offers a course in crypto, which I do not find in the CS curriculum. For IT, can you clarify what you mean? If you mean IT/systems department at a company (i.e. …”

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i AM NOT a robot 11 points, 12 comments

“If i get asked one more time if I am a robot I will flip. Anyone know when this will be resolved?”

u/EternityCode: “Our ECE 409 prof. believes that Google obviously knows we are not robots based on our active authentication tokens/other contextual info. (But I recently filled out a test that said I was a robot? …”

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Fall 2016

Winter 2016

Has anyone taken ECE 409? 4 points, 7 comments

u/LittleEponine: “… I stumbled upon ECE 409. Has anyone taken it? How was it? I'm interested in crypto and have seen the syllabus but don't really know what any of the topics actually are... does the course teach you anything useful/relevant? …”

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Fall 2015

Fall 2014

uWaterloo CS minor - Worthwhile? 6 points, 22 comments

“I'm really interested in CS and the carreer benefits that a CS minor could provide me with. I've already completed CS 135 and I'm in the process of planning out what courses I want to take to …”

u/SpaceWarrior1: “… Courses with significant CS technical content include ECE 254, 351, 354, 406, 409, 417, 428, 429, 451, 452, 453, 457A, 457B, 458, 459, SYDE 322, 422, and MTE 241. Engineering students should take Engineering courses where possible. …”

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Check it elsewhere for Fall 2026

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