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Level III Challenges (72)

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

The Heavy T52 Sturgeon Challenge — Part 7

[kopal-11] - 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 new heavier challenges with T52. In this challenge, you need to recover a plaintext from a T52AB ciphertext and a crib. The key is unknown.

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Published on: 2020-04-23 12:30
Maximum number of attempts for this challenge: 15

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Michael Möller (michaelm) 16645 (221817) 2020-05-10 20:53:41
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   +++    [21:51 - 03.06.2020] Vermentis solved the Level I challenge 'Number Sequence — Part 6'    +++    [15:17 - 03.06.2020] lakis solved the Level II challenge 'Letter to the Templars — Part 3'    +++    [15:11 - 03.06.2020] 3stones solved the Level II challenge 'Unusual encryption using a diophantine equation'    +++    [22:56 - 02.06.2020] nobody solved the Level II challenge 'The T52 Sturgeon Challenge — Part 1'    +++    [06:03 - 02.06.2020] lebolob158 solved the Level I challenge 'Original Caesar Cipher'    +++