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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] - 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 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

All successful users of this challenge

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

Michael Möller (michaelm) 16645 (253046) 2020-05-10 20:53:41
Nicolas (nicosPavlov) 14822 (257791) 2020-09-15 14:25:59
S Combes (jerva) 14427 (204567) 2021-01-10 14:34:22
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