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Level II Challenges (143)

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

The T52 Sturgeon Challenge — Part 2

[lasry-15] - 10 users already solved this challenge.
 
 
 

The Siemens and Halske T52 was a family of German teleprinter encryption devices used during WW2. This challenge is part of a series of challenges with T52. In this challenge, you need to recover the plaintext only from a T52c ciphertext. The key is partially known.
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Published on: 2019-07-22 23:15
Maximum number of attempts for this challenge: 15

All successful users of this challenge

Rank User (#10) Achieved points (Global score) y-m-d - h:m:s

Kurt Gebauer (Yokozuna) 2000 (254783) 2019-07-23 00:55:17
D3d4lu5 (D3d4lu5) 1824 (343788) 2019-07-24 06:18:14
Alain Collignon (vexilla72) 1256 (116602) 2019-10-01 11:47:41
Random Dude (rnd) 1238 (98653) 2019-10-20 20:34:27
#5 H. Lautenschlager (helmi) 1212 (38235) 2019-12-01 22:01:22
#6 Luigi Tomelli (archstanton) 1208 (113164) 2019-12-11 18:04:06
#7 Michael Möller (michaelm) 1193 (221817) 2020-01-19 18:06:17
#8 Snake (snk) 1178 (178106) 2020-03-18 22:23:05
#9 Dominik M. (Sgt. Pepper) 1175 (118936) 2020-03-30 23:52:11
#10 Nobody (nobody) 1164 (42945) 2020-06-04 12:23:23
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   +++    [00:15 - 07.06.2020] arenas solved the Level I challenge 'Letter from the Alleged Countess Julie von Ortenburg'    +++    [22:19 - 06.06.2020] Vermentis solved the Level I challenge 'Grille Cipher'    +++    [20:15 - 06.06.2020] Ehmpunkt solved the Level I challenge 'Factorization Cipher — Part 1'    +++    [16:02 - 06.06.2020] Snap solved the Level II challenge 'Fastest in the West'    +++    [14:53 - 06.06.2020] Ehmpunkt solved the Level I challenge 'Letter to the Templars — Part 1'    +++