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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 7

[kopal-20] - 6 users already solved this challenge.

The Lorenz SZ42, codenamed Tunny, was a German teleprinter encryption device used during WW2. This is the seventh challenge in a series of 13 level-2 challenges with the SZ42. In this "setting" challenge you are provided with only one ciphertext; the patterns for all the wheels are known as well as the starting positions for the CHI and MU wheels. Can you find the starting positions for the PSI wheels and decrypt the ciphertext?

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Published on: 2020-10-27 16:54
Maximum number of attempts for this challenge: 15

All successful users of this challenge

Rank User (#6) Achieved points (Global score) y-m-d - h:m:s

Kurt Gebauer (Yokozuna) 2000 (286256) 2020-10-27 19:33:17
Eugene (lim0n) 2000 (199334) 2020-10-28 06:31:49
George Lasry (george4096) 1353 (422251) 2020-11-21 17:18:37
H. Lautenschlager (helmi) 1333 (57600) 2020-11-26 19:24:05
#5 George (Theofanidis) 1173 (137118) 2021-07-18 15:54:49
#6 zuben c3 (zuben-c3) 1172 (44417) 2021-07-23 19:05:20
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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'    +++