MysteryTwister C3
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Level II Challenges (133)

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

Sigaba Part 1

[stamp-07] - 12 users already solved this challenge, 1 is working on it.
 
 
 

The encryption with the Sigaba machine was the American counterpart to the German Enigma. But due to the much larger key space of the Sigaba, even today, it is only feasible to break the code if parts of the key are known. This is what this challenge is about.
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Author: This email address is being protected from spambots. You need JavaScript enabled to view it.
Published on: 2010-10-14 13:30
Maximum number of attempts for this challenge: 8

All successful users of this challenge

Rank User (#12) Achieved points (Global score) y-m-d - h:m:s

DirkS (Dustman) 1265 (8479) 2010-12-16 12:47:52
J. M. (jomandi) 1159 (113270) 2011-10-02 19:55:00
Luigi Tomelli (archstanton) 1117 (108345) 2013-08-26 12:14:11
Francisco Moraes (fmoraes) 1113 (90044) 2013-12-21 12:33:37
#5 Alain (Integral) 1112 (207924) 2014-02-27 22:00:07
#6 Kurt Gebauer (Yokozuna) 1109 (177433) 2014-05-27 00:23:06
#7 S Combes (jerva) 1103 (99132) 2015-04-10 11:18:30
#8 Armin Krauss (argh) 1100 (188214) 2015-10-14 13:58:05
#9 zahir mohsen moradi (ariobarzan) 1096 (99757) 2016-07-02 19:47:21
#10 Nicolas (nicosPavlov) 1094 (151166) 2016-12-18 01:40:06
#11 George Lasry (george4096) 1093 (302230) 2017-06-06 23:14:10
#12 D3d4lu5 (D3d4lu5) 1088 (297709) 2018-08-26 13:40:54
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   +++    [15:43 - 14.11.2019] Bart13 solved the Level III challenge 'Cipher ID'    +++    [15:17 - 14.11.2019] phihhim solved the Level I challenge 'Affine Codes / Modulo Arithmetic with N / Extended Euclid'    +++    [09:00 - 14.11.2019] SirAbacus solved the Level I challenge 'Number Sequence — Part 3'    +++    [06:47 - 14.11.2019] Miles solved the Level I challenge '¿No Hablas Español? No problemo!'    +++    [05:26 - 14.11.2019] Akuro solved the Level II challenge 'Letter to the Templars — Part 3'    +++