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Level II Challenges (158)

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

The SZ42 Challenge — Part 11

[kopal-24] - 3 users already solved this challenge, 1 is working on it.
 
 
 

The Lorenz SZ42, codenamed Tunny, was a German teleprinter encryption device used during WW2. This is the eleventh challenge in a series of 13 level-2 challenges with the SZ42. In this "key breaking" challenge you are provided with one ciphertext and the corresponding plaintext. Can you find the wheel patterns?
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Published on: 2021-01-30 15:48
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

George Lasry (george4096) 1385 (399565) 2021-02-19 14:58:08
Kurt Gebauer (Yokozuna) 1307 (282608) 2021-03-11 11:39:16
Eugene (lim0n) 1269 (178540) 2021-04-01 08:15:04
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   +++    [11:11 - 24.06.2021] bestwishes solved the Level I challenge 'Number Sequence — Part 6'    +++    [11:01 - 24.06.2021] E01814058 solved the Level II challenge 'Alice's Birthday Party (Part 1)'    +++    [10:57 - 24.06.2021] E01814058 solved the Level II challenge 'Heartbleed — Part 3'    +++    [10:56 - 24.06.2021] bestwishes solved the Level I challenge 'Find the right route — Part 1'    +++    [10:54 - 24.06.2021] smf12 solved the Level I challenge 'Find the right route — Part 1'    +++