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Cryptography Competition.
(edition 2015: #4).
The Tale of the



Chapter 1
Due: Mon 26 Jan, 4 pm
Countdown clock:
Chapter 2
Due: Mon 2 Feb, 4 pm
Chapter 3
Due: Mon 9 Feb, 4 pm
Chapter 4
Due: Mon 23 Feb, 4 pm
Chapter 5
Due: Mon 9 Mar, 4 pm
Chapter 6
Due: Mon 23 Mar, 4 pm
Due: Mon 6 Apr, 4 pm
Due: Mon 13 Apr, 4 pm

The Alan Turing

Cryptography Day


Want to come over to Manchester for a bit of live crypto stuff, the prize ceremony and an opportunity to meet the organisers?

Then sign up!

The Alan Turing Cryptography Day.

The next Alan Turing Cryptography Day will take place on

Wednesday 29th April 2015

and registration for that Day will open on Monday 26th January. More information about the Day will soon become available. For now, below you can read about the first edition of the Day, on 30th April 2014.

Following on from the success of the 2014 Alan Turing Cryptography Competition, the School of Mathematics held its first ever Alan Turing Cryptography Day on 30 April 2014.

Schoolchildren who had enjoyed taking part in the online competition were invited to spend an afternoon of code-breaking action in the Alan Turing Building. Nearly 200 children from 38 schools located as far away as Glasgow and Somerset enjoyed a wide range of activities including: interacting with Enigma machine apps running on iPads, a talk entitled `Enigma Variations: Alan Turing and the Enigma Machine', some maths busking, a Q&A session with the competition organisers, as well as a live cryptography challenge which involved schools having to crack three codes in a one-hour period.

Teachers were also encouraged to form teachers' teams and pit their wits against the students. Needless to say, there was plenty of feverish exertion (and the students beat the teachers hands-down!). The winners of the live challenge were Nottingham Girls' High School who managed to solve all three codes.

Jodrell Bank had featured heavily in the storyline (The Tale of the Lovell Legacy) for this year's competition and Professor Tim O’Brien, Associate Director of Jodrell Bank, gave a short presentation about Sir Bernard Lovell. We were also fortunate enough to have Bonamy Grimes at the event. A former graduate of this University, Bonamy then went on to establish the flight search company, Skyscanner, with another alumnus, Gareth Williams.

Bonamy and Tim awarded the prizes to the winning teams from the online competition and to the winners of the live challenge. Bonamy also gave a few words on how his interest in mathematics and his time spent in Manchester helped equip him for his career, providing an inspirational role model for all those present.

The School of Mathematics would like to thank Skyscanner for their sponsorship of the online Alan Turing Cryptography Competition for the last three years and continued support for next year. The School is also grateful for funding provided by the Institute of Mathematics and the London Mathematical Society for its support of the Alan Turing Cryptography Day.