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Level II Challenges (160)

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

The T52 Sturgeon Challenge — Part 10

[lasry-23] - 5 users already solved this challenge, 1 is working on it.
 
 
 

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 six "in-depth" ciphertexts built with T52ca. You are also provided with cribs for each message.
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Author: This email address is being protected from spambots. You need JavaScript enabled to view it.
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

Kurt Gebauer (Yokozuna) 1485 (282608) 2019-08-20 03:56:48
Michael Möller (michaelm) 1198 (253196) 2020-01-23 21:42:35
Snake (snk) 1181 (187783) 2020-03-23 16:25:18
Nicolas (nicosPavlov) 1159 (257791) 2020-07-24 11:17:51
#5 Scombes (jerva) 1143 (266541) 2020-12-30 16:22:54
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   +++    [09:42 - 03.08.2021] george4096 solved the Level II challenge 'SIGABA CSP-2900 — Part 1'    +++    [06:31 - 03.08.2021] george4096 solved the Level II challenge 'SIGABA CSP-2900 — Part 2'    +++    [21:27 - 02.08.2021] nugakmog solved the Level I challenge 'Number Sequence — Part 2'    +++    [21:14 - 02.08.2021] nugakmog solved the Level I challenge 'Original Caesar Cipher'    +++    [20:57 - 02.08.2021] nugakmog solved the Level I challenge 'Number Sequence'    +++