MysteryTwister C3

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Level II Challenges (133)

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

Spirale — Part 2

[allard-02] - 3 users already solved this challenge.

Spirale is a OTP cipher designed to be simply performed by hand.
Part 2 is a ciphertext-only challenge with a 659-letter ciphertext.
This part uses the same four keys for encryption as part 1 does.

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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 19:05
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

S Combes (jerva) 1378 (99132) 2015-09-12 21:15:06
J-L Morel (Rossignol) 1143 (29425) 2017-01-19 15:23:12
George Lasry (george4096) 1129 (302230) 2017-08-21 21:06:46
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   +++    [18:58 - 13.10.2019] Sph1003 solved the Level I challenge 'Number Sequence'    +++    [11:22 - 13.10.2019] Lemmynator solved the Level I challenge 'Post-Quantum Cryptography: Unbalanced Oil and Vinegar System — Part 1'    +++    [10:29 - 13.10.2019] gerdw solved the Level II challenge 'Lunchtime Attack on the Fully Homomorphic Encryption Scheme'    +++    [08:31 - 13.10.2019] SirAbacus solved the Level I challenge 'Number Sequence — Part 2'    +++    [23:14 - 12.10.2019] Tom solved the Level I challenge 'A hidden word'    +++