Welcome guest.   Log in
The ALAN TURING
            Cryptography Competition.
                                           (edition 2014: #3).
The ALAN TURING
            Cryptography Competition.
                                           (edition 2014: #3).
You are reading the website of the 2014 edition of the competition, which ended on Wednesday 21st May at 11:59 pm. We are planning to run a new edition next year, to start in January 2015. The website for that new edition appears in December here. If you would like to receive a reminder around that time by email please look here. For any particular enquiries you can contact us on cryptography_competition@manchester.ac.uk.
About For
Home cryptography Register FAQ Rules teachers News Leaderboard Forum Map Archive
 The Tale of the
 The Tale of the
Lovell Legacy
Lovell Legacy
Due: is released!
Due: is released!
Due: is released!
Due: is released!
Due: is released!
Due: is released!
Due: is released!
Due: is released!
News.
News.
(new)
The Competition closes tomorrow, Friday 11th April, at midnight!
Posted by Kees on Friday 11th April at 12:06 am.
Dear all,

this is just a quick reminder that tomorrow Friday 11th April at midnight the Competition will close. That means after that time you will …
(new)
Final hint for chapter 6
Posted by Sebastian on Friday 4th April at 3:34 pm.
"The first three notes of the tune are A, D and F." said Barquith, "I happen to have perfect pitch you know."

"That's lucky", muttered Mike. …
(new)
Chapter 5 Prizes
Posted by Sebastian on Thursday 3rd April at 9:36 am.
Congratulations to team Hedgehog, who have won the prize for solving chapter 5 in the fastest time. Congratulations also to the spot-prize winners for chapter …
(new)
New Hint for Chapter 6
Posted by Sebastian on Tuesday 1st April at 5:21 pm.
"Frequency analysis doesn't help", mused Mike. "It must be a polyalphabetic cipher - a letter in the plaintext can be enciphered as different letters, …
(new)
Second Hint - Chapter 6
Posted by Sebastian on Monday 31st March at 4:46 pm.
Hi All,

A second hint will be posted to the site at approx 5pm tomorrow (Tuesday 1st April).

Congratulations to those that have solved the chapter and …
(new)
Hint for Chapter 6
Posted by Sebastian on Friday 28th March at 4:34 pm.
"That was weird! Was that the tune you heard your kidnapper whistling?", said Ellie.
"Yes", replied Barquith, "I think we've got most of the letters …
(new)
Chapter 6 Hint
Posted by Sebastian on Thursday 27th March at 9:57 am.
Hi All,

A hint for chapter 6 will be posted before the end of the week. Good luck to those still working on the problem and …
(new)
Reminder - Audio File
Posted by Sebastian on Monday 24th March at 2:41 pm.
Don't forget, today's chapter will include an audio file. Anyone with hearing difficulties that requires a transcript of the recording must request this by having …
(new)
Third Clue for Chapter 5
Posted by Sebastian on Monday 17th March at 4:54 pm.
"Hey Ellie", said Mike, "That light in the top left is on most the time. Should we concentrate on those patterns?"

"It's worth a try" …
(new)
Chapter 4 Prizes
Posted by Sebastian on Monday 17th March at 10:51 am.
Congratulations to team 'CodeLiners', who have won the prize for solving chapter four of the competition in the fastest time. The five teams chosen at …
(new)
Second hint for Chapter 5
Posted by Charles on Thursday 13th March at 6:11 pm.
"I think frequency analysis was a waste of time", harrumphed Mike. "There's more than 26 patterns". "Hmmm", said Ellie, "I'm not so sure. …
(new)
Hint for Chapter 5
Posted by Charles on Tuesday 11th March at 6:12 pm.
"It's lucky I had a pad of graph paper with me", said Ellie. "Hand it over then", said Mike. "I'll get on with the frequency …
(new)
Hint for Chapter 5
Posted by Sebastian on Tuesday 11th March at 4:10 pm.
Good luck to those teams that have successfully completed chapter 5 so far. For those still working on the problem, a hint will be posted …
(new)
Chapter 4 - Second Hint
Posted by Sebastian on Monday 3rd March at 4:27 pm.
"Phew, that's the frequency analysis done", pondered Mike, "but I'm still a little confused. I'll bet Ellie will have signed her name somewhere. …
(new)
Advanced Warning: The clues for chapters 5 and 6 will contain audio and video components.
Posted by Sebastian on Monday 3rd March at 4:23 pm.
Video: Please check that you can view animated gifs with your browser. We have attached an example to this message and you should be able …
(new)
Chapter 2 Prizes
Posted by Sebastian on Thursday 27th February at 2:35 pm.
Dear Cryptographers,

Our apologies for the delay but we can now announce the prize winners for chapter 2.

Congratulations to team Hedgehog for completing the chapter in …
(new)
Hint for Chapter 4
Posted by Sebastian on Wednesday 26th February at 4:31 pm.
"Why didn't I listen when Ellie was explaining this code?", thought Mike to himself. "I remember she said it wasn't too hard to crack, so …
(new)
Alan Turing Cryptography Day
Posted by Sebastian on Monday 17th February at 4:23 pm.
Dear All,

We have been contacted by a number of teachers, asking if we can confirm spaces for the cryptography day earlier than previously announced. This …
(new)
Second Hint for Chapter 3
Posted by Sebastian on Thursday 13th February at 4:30 pm.
"493", said Ellie, "that's the number of letters in the message".

"Does that help us?" moaned Mike. "I'm going to try to write the message …
(new)
Chapter 3 - Second Hint
Posted by Sebastian on Wednesday 12th February at 3:43 pm.
Dear All,

Congratulations to all the teams that have successfully completed chapter 3. For those still working on the problem, and who feel they could use …
(new)
Hint for Chapter 3
Posted by Sebastian on Tuesday 11th February at 4:30 pm.
Mike and Ellie stared at the sheet of paper. "I've done the frequency analysis", said Mike. "The most common letters are 'e' 't', 'a'
... …
(new)
Chapter 3 Hint
Posted by Sebastian on Tuesday 11th February at 2:21 pm.
Dear Cryptographers,

Congratulations to those of you that have successfully solved chapter 3. For those of you still working on this problem, a hint will be …
(new)
Chapter One Prizes
Posted by Sebastian on Thursday 6th February at 2:06 pm.
Congratulations to team Phronemophobia, who not only have a very cool team name but have won the prize for solving chapter one in the fastest …
(new)
Points Deductions for Rule Breaches
Posted by Sebastian on Wednesday 5th February at 4:04 pm.
It has come to our attention that a small number of competitors have been registering extra teams in order to have more chances at submitting …
(new)
Non-Competing Teams
Posted by Sebastian on Monday 3rd February at 12:31 pm.
Dear All,

Non-competing teams are able to submit answers to the website once the subsequent chapter has been released. Therefore, non-competing teams are able to submit …
(new)
Alan Turing Cryptography Day
Posted by Sebastian on Monday 3rd February at 10:55 am.
Dear All,

The registration form for the Alan Turing Cryptography Day is now available online. We hope to see lots of you there for a fun …
(new)
Inappropriate Team Names
Posted by Sebastian on Thursday 30th January at 11:48 am.
Dear All,

We have noticed a few inappropriate team names being registered for the 2014 competition.

Anyone using slang terms or inappropriate word-play to register rude or …
(new)
Multiple Registrations
Posted by Sebastian on Thursday 30th January at 11:29 am.
Dear All,

We have noted that a few competitors appear to be registering more than one account or team for the competition. This is clearly against …
(new)
Welcome!
Posted by Kees on Wednesday 22nd January at 11:35 pm.
Welcome on the now fully functional website of the third edition of the Alan Turing Cryptography Competition!

We are ready to go, the first chapter of …
This competition is organised by:and sponsored by: