MTH6115: Cryptography

News

17-iii-2010: Exercises 8 and Solutions 6 now available.
10-iii-2010: Exercises 7 now available.
8-iii-2010: Exercises 6, Solutions 4 and Solutions 5 now available.
22-ii-2010: The Cipher Challenge is now live.
17-ii-2010: Rules for Cipher Challenge Part 2 now available. This will not start just yet, but Friday 19th, at the earliest.
11-ii-2010: Slight error on Exercises 4, Question 4 corrected (of course it is 33 that has 7-bit representation 0100001, not 65).
10-ii-2010: Exercises 5 and Comments 1 now available on the web.
03-ii-2010: Exercises 4 and Solutions 1 and 2 now available on the web.
01-ii-2010: No exercise classes this week on either Wednesday 3rd February or Thursday 4th February. I shall be available during my office hours, and also Thursday (4th Feb) 2–3 pm in my office (Maths B54) to discuss the Cipher Challenge.
01-ii-2010: Your marked scripts to Exercises 1 will be available on Thursday 4th February at the earliest.

Lectures and Classes (Lent term, Winter/Spring 2010)

Lectures: Tuesday 1pm; Tuesday 3pm; Thursday 9am. All in Geography 126.
Classes: Wednesday 11am (surnames beginning A–M); Thursday 2pm (surnames beginning N–Z). Both in Queen’s EB 1.
Office Hours: Please see my main page. These will change from time to time.
Assignments: These should be handed in to the ORANGE box on the GROUND floor.

Classes will not occur every week: for instance there are no classes in Week 1, and nor will there be any throughout the Cipher Challenge.

Information

Course Information.
Learning Outcomes (Key Objectives).

Cipher Challenge

This will occur fairly early on in the term. The precise rules of its operation have not yet been finalised.

Rules for Part 1 (PDF).
Rules for Part 2. Please read very carefully. This is not likely to commence till Friday 19th Feb at the earliest.

Exercises

Exercises 1.
Exercises 2.
Exercises 3 (Cipher Challenge: Part 1).
Exercises 4 — corrected.
Exercises 5.
Exercises 6.
Exercises 7.
Exercises 8.

Solutions

Solutions 1. Some comments.
Solutions 2.
Solutions 4.
Solutions 5.
Solutions 6.

Notes and Supplementary Data

Please note that I will not necessarily place all the notes I make in lectures on the web, so you should make your own notes in lectures.

There are certain things that it will be impractical to copy in lectures. I will place that stuff here.

The material available so far is:

none yet.
temporary version of some of the material I put up ‘today’ [26th Jan]; better organised form on the way.

Old Notes

These are the notes from a couple of years ago. I present the material a bit differently to this.
Notes 1; Notes 2; Notes 3; Notes 4;
Notes 5; Notes 6; Notes 7; Notes 8;
Notes 9; Notes 10; Notes 11; Notes 12.

This page is maintained by Dr John N. Bray. The views and opinions expressed in these pages are mine. The contents of these pages have not been reviewed or approved by Queen Mary, University of London.

Last updated: 17th March 2010