Re: [cryptography] [Cryptography] GCHQ puzzler for xmas

2015-12-14 Thread Endless
> Britain's most secretive organisation - GCHQ - has added a cryptic twist
> to Christmas card season by including a baffling brainteaser.

This reminds me very much of the depiction of the recruitment process
stipulated by "Alan Turing" in The Imitation Game, where a crossword
puzzle was distributed via newspaper for talented citizens to solve, and
subsequently be recruited for the war effort.

The publication of such a puzzle by Hannigan is likely somehow linked
with GCHQ's recruitment operations for their (less than desirable)
positions in mathematical or cryptographic fields, or perhaps the
monitoring of those with advanced mathematical ability.



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[cryptography] GCHQ puzzler for xmas

2015-12-14 Thread ianG

http://www.bbc.co.uk/news/uk-35058761

Britain's most secretive organisation - GCHQ - has added a cryptic twist 
to Christmas card season by including a baffling brainteaser.
This year spy agency director Robert Hannigan is sending out a complex 
grid-shading puzzle inside his traditional Christmas cards of the 
nativity scene.
Successful codebreakers will uncover an image in the grid that leads to 
a series of tougher challenges.

Those not on the card list can have a go here or on the GCHQ website.
Mr Hannigan is asking players who complete all the stages to submit 
their answer to GCHQ by the end of January.
Those who enjoyed the challenge are asked to make a donation to the 
National Society for the Prevention of Cruelty to Children.

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