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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).

Spirale — Part 3
[allard-03] - 4 users already solved this challenge.
 
 
 
Spirale is a OTP cipher designed to be simply performed by hand.
Part 3 is a ciphertext-only challenge with a 949-letter ciphertext.
In this part, two of the four keys are equal to the keys of the first two parts.
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Author: This email address is being protected from spambots. You need JavaScript enabled to view it.
Published on: 2015-08-23 19:08
Maximum number of attempts for this challenge: 15

All successful users of this challenge

Rank User (#4) Achieved points (Global score) y-m-d - h:m:s
Scombes (jerva) 1378 (266541) 2015-09-13 15:43:29
J-L Morel (Rossignol) 1143 (42130) 2017-01-19 15:27:30
George Lasry (george4096) 1129 (399565) 2017-08-21 21:46:21
D3d4lu5 (D3d4lu5) 1098 (363488) 2021-01-19 19:45:17
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   +++    [01:47 - 02.08.2021] jerva solved the Level II challenge 'SIGABA CSP-2900 — Part 1'    +++    [00:40 - 02.08.2021] mochiorochi solved the Level I challenge 'Beaver Code'    +++    [22:51 - 01.08.2021] mochiorochi solved the Level I challenge 'A hidden word'    +++    [22:46 - 01.08.2021] mochiorochi solved the Level II challenge 'Letter to the Templars — Part 3'    +++    [22:05 - 01.08.2021] mochiorochi solved the Level I challenge 'Letter to the Templars — Part 2'    +++