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Level II Challenges (135)

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] - 1 user 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 six "in-depth" ciphertexts built with T52ca. You are also provided with cribs for each message.
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Published on: 2019-08-10 17:32
Maximum number of attempts for this challenge: 15

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Rank User (#1) Achieved points (Global score) y-m-d - h:m:s

Kurt Gebauer (Yokozuna) 1485 (180593) 2019-08-20 03:56:48
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   +++    [17:45 - 05.12.2019] lim0n solved the Level II challenge 'Polyphonic Substitution Cipher — Part 1'    +++    [12:40 - 05.12.2019] catalin.dum solved the Level II challenge 'Hybrid Encryption I'    +++    [11:50 - 05.12.2019] Ausdemwald solved the Level II challenge 'Letter to the Templars — Part 3'    +++    [11:14 - 05.12.2019] Ausdemwald solved the Level I challenge 'Letter to the Templars — Part 2'    +++    [10:39 - 05.12.2019] Ausdemwald solved the Level I challenge 'Letter to the Templars — Part 1'    +++