MysteryTwister C3
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Level II Challenges (158)

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

Extended Handycipher — Part 2

[kallick-05] - 3 users already solved this challenge.
 
 
 

Extended Handycipher is an enhancement of the newly designed cipher Handycipher, which permits pen-and-paper encrypting and decrypting, while providing a significantly high level of security. From the 905-character plaintext 229 characters somewhere in it are known.
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Published on: 2015-03-27 15:27
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) 1185 (253196) 2015-10-23 09:07:20
George Lasry (george4096) 1126 (399565) 2017-05-31 10:18:56
D3d4lu5 (D3d4lu5) 1109 (363488) 2018-11-13 20:07:14
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