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katastrofa
Posts: 8772
Joined: August 16th, 2007, 5:36 am
Location: Alpha Centauri

GCHQ Christmas Challenge

February 5th, 2016, 11:46 am

GCHQ solutionsMy cat Noether's solutions:Puzzle 1 "Where"MARKETMENNADAPuzzle 2 "Sum"XIVPuzzle 3 "Algebraic"KRONecKeRPuzzle 4 "Manifold Agreement"ORIENTABLEPuzzle 5 "Looter"BilboPuzzle 6 "Message"HXRMSAEPY [since GCHQ signed the document with "happy Christmass" we assumed that it was a hint to exclude "merry"]Puzzle 7 "Graph Theory"a. ECHOb. SEPTEMBERc. URANUSd. EIGHTPuzzle 8 "Wordsearch"TREASUREPuzzle 9 "Registration"DUCKPuzzle 10 "Crossword"PALMPuzzle 11 "Cipher"OBFUSCATINGPuzzle 12 "GCCrest""Name the technique of hiding messages in images." steganography"Name the tecs in images." GCHQ (as also seen in the stereogram formed by superimposing the images)Most of her answers match the GCHQ solutions, in some cases she got an alternative but correct answer, some she suspected could be like in the GCHQ version but picked differently and some things she saw seem not to have existed :-)
Last edited by katastrofa on February 4th, 2016, 11:00 pm, edited 1 time in total.
 
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Traden4Alpha
Posts: 23951
Joined: September 20th, 2002, 8:30 pm

GCHQ Christmas Challenge

February 5th, 2016, 8:41 pm

QuoteOriginally posted by: outrunNext year we should solve this as a team,.. but not tell GCHQ about it!It won't work! They will correlate activity from their global wiretap on keyboard loggers to the activity on this site and deduce our conspiracy to beat the quiz via a distributed effort.
 
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katastrofa
Posts: 8772
Joined: August 16th, 2007, 5:36 am
Location: Alpha Centauri

GCHQ Christmas Challenge

February 6th, 2016, 9:04 am

Good idea. My cats are up for it :-)
Last edited by katastrofa on February 5th, 2016, 11:00 pm, edited 1 time in total.
 
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Traden4Alpha
Posts: 23951
Joined: September 20th, 2002, 8:30 pm

GCHQ Christmas Challenge

February 6th, 2016, 1:01 pm

I'd imagine the cats are quite good at these kinds of hairball problems.
 
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Traden4Alpha
Posts: 23951
Joined: September 20th, 2002, 8:30 pm

GCHQ Christmas Challenge

February 6th, 2016, 1:37 pm

Of course! I run such a stealth setup that even Google and Facebook are often off by 300 km on my location.
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