MysteryTwister C3
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Level X Challenges (12)

Page 1 of the challenges in Level X, ordered by date posted (the most recent appear first).

Ku Klux Klan

[schmeh-06] - 34 users already solved this challenge.
 
 
 

In 1923, a member of the Ku Klux Klan sent an encrypted telegram to one of his colleagues. This telegram could be preserved.

More than 60 years later, the US mathematician Cipher Deavours examined the telegram and was able to decipher it. In 1989, he published some of the details about the solution in the magazine Cryptologia („A Ku Klux Klan Cipher“, edition 3/1989). However, he didn‘t tell the complete solution – the last part was left to the reader as an exercise.
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Published on: 2010-10-14 13:30
Maximum number of attempts for this challenge: 0

All successful users of this challenge

Rank User (#34) Achieved points (Global score) y-m-d - h:m:s

Seth Kintigh (DarkFibre) 2000 (79471) 2011-06-14 08:39:00
Viktor (Veselovský) 1000 (113516) 2011-11-08 13:52:00
The Killer (Killer) 1000 (42393) 2011-11-13 15:30:00
J. M. (jomandi) 1000 (113270) 2011-11-13 19:02:00
#5 Bart den Hartog (Bart13) 1000 (118984) 2012-02-10 18:45:00
#6 Dusan (xxdradus) 1000 (40134) 2012-06-22 17:38:00
#7 j.h. (haegarq) 1000 (11696) 2012-06-30 17:29:00
#8 Armin Krauss (argh) 1000 (155637) 2012-08-28 00:35:00
#9 Hans Peter (hanspeter) 1000 (48115) 2013-01-11 12:45:00
#10 Snake (snk) 1000 (51939) 2013-02-02 20:57:00
#11 swarmspider (swarmspider) 1000 (4425) 2013-04-23 14:37:00
#12 Almut (problelmo) 1000 (45992) 2013-06-16 13:44:00
#13 george lasry (george4096) 1000 (281491) 2013-08-30 16:53:00
#14 Alain (Integral) 1000 (198642) 2013-12-29 14:50:00
#15 George (Theofanidis) 1050 (88988) 2014-01-21 03:05:00
#16 E.T (Ertheb) 1000 (54992) 2014-03-10 08:57:33
#17 Bertold (bk) 1000 (8972) 2014-05-10 22:58:00
#18 Hughes (hughes) 1000 (4534) 2014-07-24 20:23:31
#19 julius gaius (julius) 1000 (25581) 2014-08-06 14:45:17
#20 Bernhard Gruber (bgr) 1000 (22889) 2014-09-29 19:10:43
#21 Julia Bernotat (El Greco ) 1000 (81129) 2015-02-06 18:50:51
#22 Kurt Gebauer (Yokozuna) 1000 (121239) 2015-02-09 19:15:39
#23 Joerg G. (SnifferMaster) 1000 (17225) 2015-10-06 19:10:00
#24 Szabó Zoltán (szabo.z87) 1000 (47990) 2015-12-13 13:27:00
#25 S (Zyphe) 1000 (8457) 2016-01-12 21:24:00
#26 Dominik M. (Sgt. Pepper) 1000 (46526) 2016-01-12 21:24:00
#27 Em Doulgerakis (Greko) 1000 (110211) 2016-05-03 17:05:00
#28 Martin (martinbucher) 1000 (24117) 2016-05-15 15:40:02
#29 zahir mohsen moradi (ariobarzan) 1000 (99757) 2016-05-26 23:53:00
#30 Rainer Zufall (kiekuk) 1000 (42438) 2016-09-09 13:40:00
#31 Norbert Biermann (Norbert) 1000 (40024) 2016-09-10 23:08:41
#32 Andreas Frerichs (Ossili) 1000 (33266) 2016-09-20 20:00:00
#33 D3d4lu5 (D3d4lu5) 1000 (65954) 2017-09-04 13:09:24
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   +++    [20:58 - 14.12.2017] teetrinker solved the Level I challenge 'Caesar Encryption'    +++    [20:14 - 14.12.2017] teetrinker solved the Level I challenge 'Number Sequence — Part 2'    +++    [20:11 - 14.12.2017] teetrinker solved the Level I challenge 'Original Caesar Cipher'    +++    [19:58 - 14.12.2017] teetrinker solved the Level I challenge 'Number Sequence'    +++    [19:02 - 14.12.2017] Bart13 solved the Level I challenge 'Advent-Challenge — Part 1'    +++