MysteryTwister C3
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Level III Challenges (58)

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

Extended Handycipher — Part 5

[kallick-16] - 2 users already solved this challenge.
 
 
 

Extended Handycipher is an enhancement of Handycipher. Part 5 is the same as Part 2, but uses an improved version of the cipher. You are given two encryptions of the plaintext generated with the same key, and 229 characters occuring at an unknown location in the plaintext.
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Published on: 2016-06-28 20:04
Maximum number of attempts for this challenge: 15

All successful users of this challenge

Rank User (#2) Achieved points (Global score) y-m-d - h:m:s

Michael Möller (michaelm) 14510 (117401) 2017-02-13 22:37:52
george lasry (george4096) 14276 (213462) 2017-05-29 00:37:15
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   +++    [14:09 - 23.06.2017] D3d4lu5 solved the Level II challenge 'Brute-Force-Attack on Triple-DES with Reduced Key Space'    +++    [07:55 - 23.06.2017] TheLion solved the Level I challenge 'Number Sequence — Part 2'    +++    [07:43 - 23.06.2017] TheLion solved the Level I challenge 'Original Caesar Cipher'    +++    [06:34 - 23.06.2017] TheLion solved the Level I challenge 'Number Sequence'    +++    [23:03 - 22.06.2017] george4096 solved the Level II challenge 'CMEA 1'    +++