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National Cipher Challenge

Trev

For anyone interested in learning about writing or decoding secret messages this is quite interesting:

www.cipherchallenge.org/

The ciphers used are mostly those in use prior to the Second World War.

There are tutorials on the website.

The target audience is A Level students and the prizes are for those registered through their school, however anyone can register and have a go at the ciphers (but you won't be eligible for the prizes).

It starts on Oct 9th, as I've had a go at it before I haven't decided yet if I'll do it again this year.

Edit: I just thought I'd add that you should be able to complete quite a few of the challenges by just using pen, paper and some online tools (the later challenges will need some simple computer programming)

Parents

  • I managed to get the bigram and trigram frequency analysis coding finished today.

    Since getting my diagnosis three weeks ago this is the first time I've been well enough to do any hobby activities, so hopefully I'll soon be back to doing some bits on my van.

    Doing the National Cipher Challenge shouldn't wear me out too much since as far as I can remember quite a lot of the challenges could be finished on the afternoon of the day they came out (one challenge a week) with only the last few challenges taking a bit longer.

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  • I managed to get the bigram and trigram frequency analysis coding finished today.

    Since getting my diagnosis three weeks ago this is the first time I've been well enough to do any hobby activities, so hopefully I'll soon be back to doing some bits on my van.

    Doing the National Cipher Challenge shouldn't wear me out too much since as far as I can remember quite a lot of the challenges could be finished on the afternoon of the day they came out (one challenge a week) with only the last few challenges taking a bit longer.

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