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Level II Challenges (137)

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

The T52 Sturgeon Challenge — Part 1

[lasry-14] - 8 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 T52ab ciphertext. The key is partially known.
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Published on: 2019-07-13 23:11
Maximum number of attempts for this challenge: 15

All successful users of this challenge

Rank User (#8) Achieved points (Global score) y-m-d - h:m:s

Kurt Gebauer (Yokozuna) 1725 (184116) 2019-07-16 04:47:40
D3d4lu5 (D3d4lu5) 1725 (302572) 2019-07-16 17:31:02
Bart den Hartog (Bart13) 1444 (148936) 2019-07-26 16:40:28
Alain Collignon (vexilla72) 1247 (111210) 2019-10-01 11:45:38
#5 Random Dude (rnd) 1232 (98550) 2019-10-19 17:45:53
#6 H. Lautenschlager (helmi) 1211 (36573) 2019-11-25 18:14:29
#7 Luigi Tomelli (archstanton) 1204 (113164) 2019-12-10 14:42:26
#8 Michael Möller (michaelm) 1202 (178741) 2019-12-17 21:35:46
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   +++    [20:26 - 17.01.2020] HansW solved the Level I challenge 'Letter to the Templars — Part 1'    +++    [19:28 - 17.01.2020] HansW solved the Level I challenge 'Original Caesar Cipher'    +++    [19:14 - 17.01.2020] HansW solved the Level I challenge 'Number Sequence — Part 2'    +++    [19:10 - 17.01.2020] HansW solved the Level I challenge 'Number Sequence'    +++    [15:22 - 17.01.2020] Kruxi solved the Level II challenge 'Letter to the Templars — Part 3'    +++