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Level II Challenges (143)

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

The T52 Sturgeon Challenge — Part 6

[lasry-19] - 3 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 ten "in-depth" ciphertexts built with T52c. The key is partially known.

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Published on: 2019-08-10 17:30
Maximum number of attempts for this challenge: 15

All successful users of this challenge

Rank User (#3) Achieved points (Global score) y-m-d - h:m:s

D3d4lu5 (D3d4lu5) 1725 (343788) 2019-08-13 00:21:56
Kurt Gebauer (Yokozuna) 1613 (254783) 2019-08-15 14:53:37
Snake (snk) 1181 (178106) 2020-03-22 22:48:36
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