Fun stuff. The Fahrenheit211 Cryptanalysis competition. Win a counterjihad t-shirt

crypto prize pic012

Win an anti jihad t-shirt based loosely on the style of a vintage ‘cola’ advertisement, as pictured above (but better quality than the low resolution scan shown). All you need to do is to de-crypt the cipher text below and email your entry to this blog.

1666 / 1698 / 131210 / 158202 / 16028 / 1812.4 / 1811.2 /1142.2 /11413.1 /11425.8 / 13851 / 131822 / 12638 / 16028 / 1812.4 / 1811.2 /1142.2 /11413.1 /11425.8 / 126413 / 131822 / 13813.6 / 13831.1 / 1391.1 / 14071.2 / 13813.6 / 14211.4 / 14213.2 / 15617.2 15614.2 / 18221.5/ 18522.3 / 18527.1 / 198138 / 16211.6 / 16216.1 / 16311.2 / 16341.1 / 19521.1 / 19524.2 / 111513.2 / 260186 / 26317 / 118811.1 / 11891.4 / 118918.3 / 21217.6 / 21312.1 / 21316.3 / 21743.1 / 217110.4 / 21728.1 / 21711.1 / 23311.2 / 23312.1 / 24912.4 / 25025 / 1222205 / 1223155 / 121831 12181910 / 1220103 / 121916 / 111515.5 / 111421.2 / 111513.6 / 23312.1 / 22971 / 23013.1 / 23119.1 / 113811 / 1812.4 / 1811.2 /1142.2 /11413.1 /11425.8 / 219813 / 220632.3 / 220632.2 / 220713.5 / 220812.3 / 220813.1 / 113811 / 1812.4 / 1811.2 /1142.2 /11413.1 /11425.8 / 11811.1 / 11891.4 / 118918.3 / 21217.6 / 21312.1 / 21316.3 / 21315.3 / 114193 / 114611.1 / 114614.3 / 114614.1 / 114616.2 / 117415.1 / 118318.7 / 12611.1/ 13014.5 / 25025 / 1287134 / 1223155 / 220812.3 / 118811.1 / 220632.2 / 11014.1 / 117415.1 / 13014.5 / 113215.1 / 11321.3 / 111212.2 / 11815.1 / 21217.6 / 21312.1 / 23312.1 / 23312.1 / 21316.3 / 220713.5 / 113811 / 1812.4 / 1811.2 /1142.2 /11413.1 /11425.8 / 131822 / 14354

12910 / 1731.1 / 1734.3 / 1734.4 / 18112.2 / 21711.1 / 11.415.1 18522.3 / 110412.1 / 1105110.4 / 15617.2 / 15614.2 / 18221.5 / 19521.1 / 18522.3 / 23311.2 / 23311.2 / 1142.2 / 21315.3 / 114614.1 / 111421.2 / 23311.2

Good luck! When the competition is over I will release the key(s) and print the answer in plain text. To give you a very big clue to get you started. This is dual source book code encryption with additions, which is way, way weaker than Enigma. Someone like Alan Turing could probably break it in 5 minutes with a pen and paper.

Rules

Closing date for the competition will be August 15th 2013

All entries (in plain text) have to be sent in via email to editor@fahrenheit211.net

The Editor’s decision is final.

To class as a winner and go through to a draw all entries must be at least 90% (based on the number of words in the original piece) correct after decryption

The draw will be made by a person not connected with the running or organisation of the Fahrenheit211 blog

The draw will be witnessed

Employees and relatives of employees of the Government Communications Headquarters in Cheltenham are barred from entry on the grounds that their computers and decryption knowledge would give them an unfair advantage over the normal person,

Nobody associated with the running of the Fahrenheit211 blog is allowed to enter

The draw will be made one week after the closing date of the competition

The draw will be made as follows: All winning entries will be numbered and the numbers will then be placed in a box to be drawn by someone not connected with the Fahrenheit211 blog.

The prize is as advertised and no alternative prize can be offered or given

There will be one prize and one prize only.

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