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Level II Challenges (149)

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

The T52 Sturgeon Challenge — Part 11

[lasry-24] - 5 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 from a T52c ciphertext. The key is partially known. You are also provided with a crib.

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Published on: 2019-08-10 17:32
Maximum number of attempts for this challenge: 15

All successful users of this challenge

Rank User (#5) Achieved points (Global score) y-m-d - h:m:s

D3d4lu5 (D3d4lu5) 1660 (343788) 2019-08-14 17:05:47
Kurt Gebauer (Yokozuna) 1523 (266506) 2019-08-18 15:58:07
Michael Möller (michaelm) 1197 (238219) 2020-01-26 10:12:37
Snake (snk) 1181 (185894) 2020-03-22 20:17:10
#5 Nicolas (nicosPavlov) 1159 (241319) 2020-07-29 03:02:52
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   +++    [18:33 - 26.09.2020] wisch solved the Level I challenge 'Hill Cipher with Sudoku Key'    +++    [17:55 - 26.09.2020] Polaris solved the Level II challenge 'Enigma Part 2'    +++    [17:54 - 26.09.2020] arenas solved the Level I challenge 'Double Columnar Transposition'    +++    [16:57 - 26.09.2020] Lemmynator solved the Level I challenge 'Hill Cipher with Sudoku Key'    +++    [14:46 - 26.09.2020] loeppi74 solved the Level I challenge 'A hidden word — Part 2'    +++