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Level II Challenges (162)

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

The SZ42 Challenge — Part 1

[kopal-14] - 11 users already solved this challenge, 1 is working on it.
 
 
 

The Lorenz SZ42, codenamed Tunny, was a German teleprinter encryption device used during WW2. This is the first challenge in a series of 13 Level-2 challenges with the SZ42. Here, you are provided with 8 in-depth ciphertexts. Can you recover the plaintexts?
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Published on: 2020-07-22 23:20
Maximum number of attempts for this challenge: 15

All successful users of this challenge

Rank User (#11) Achieved points (Global score) y-m-d - h:m:s

Eugene (lim0n) 2000 (199334) 2020-07-23 16:28:56
Armin Krauss (argh) 2000 (206965) 2020-07-23 19:34:09
Dominik M. (Sgt. Pepper) 1613 (128575) 2020-07-27 14:04:16
Nicolas (nicosPavlov) 1576 (257791) 2020-07-28 11:57:43
#5 George Lasry (george4096) 1547 (422251) 2020-07-29 10:48:53
#6 Kurt Gebauer (Yokozuna) 1523 (286256) 2020-07-30 17:36:35
#7 H. Lautenschlager (helmi) 1373 (57600) 2020-08-13 20:47:47
#8 Scombes (jerva) 1270 (269337) 2020-09-20 10:56:05
#9 Random Dude (rnd) 1175 (103645) 2021-04-03 03:07:34
#10 zuben c3 (zuben-c3) 1158 (44417) 2021-07-13 16:40:12
#11 George (Theofanidis) 1152 (137118) 2021-09-05 17:54:08
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   +++    [21:27 - 24.10.2021] mikinsget solved the Level I challenge 'One-Time Pad with Flaws'    +++    [15:29 - 24.10.2021] Jericho solved the Level I challenge 'Nils away on travel'    +++    [10:32 - 24.10.2021] jerva solved the Level II challenge 'The SZ42 Challenge — Part 13'    +++    [02:01 - 24.10.2021] Jet Sam solved the Level I challenge 'Caesar Encryption'    +++    [00:30 - 24.10.2021] Jet Sam solved the Level I challenge 'Number Sequence — Part 2'    +++