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Level II Challenges (143)

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

Polyhomophonic Substitution — Part 2

[madness-02] - 13 users already solved this challenge.
 
 
 

This part of the challenge series is a warm-up with polyphonic substitution. In a polyphonic substitution cipher, more than one plaintext letter are encrypted to the same ciphertext symbol. The key is a mapping from the set of plaintext symbols to the set of ciphertext symbols.
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Published on: 2020-03-28 15:09
Maximum number of attempts for this challenge: 15

All successful users of this challenge

Rank User (#13) Achieved points (Global score) y-m-d - h:m:s

Snake (snk) 2000 (178106) 2020-03-28 17:30:14
Armin Krauss (argh) 2000 (196614) 2020-03-28 22:07:46
Kurt Gebauer (Yokozuna) 2000 (254783) 2020-03-28 22:26:59
Alain Collignon (vexilla72) 2000 (116602) 2020-03-28 23:11:11
#5 Dominik M. (Sgt. Pepper) 2000 (118936) 2020-03-29 03:46:39
#6 J-L Morel (Rossignol) 2000 (37723) 2020-03-29 12:00:46
#7 Viktor (Veselovský) 2000 (166027) 2020-03-29 12:49:46
#8 Eugene (lim0n) 2000 (113902) 2020-03-29 14:49:22
#9 Thomas (Thomas4897) 1824 (35941) 2020-03-29 17:36:58
#10 sarah b (silva) 1824 (36927) 2020-03-29 21:05:46
#11 D3d4lu5 (D3d4lu5) 1307 (343788) 2020-05-06 18:15:02
#12 George Lasry (george4096) 1290 (342650) 2020-05-14 23:02:08
#13 Norbert Biermann (Norbert) 1270 (47687) 2020-05-26 19:48:41
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   +++    [21:51 - 03.06.2020] Vermentis solved the Level I challenge 'Number Sequence — Part 6'    +++    [15:17 - 03.06.2020] lakis solved the Level II challenge 'Letter to the Templars — Part 3'    +++    [15:11 - 03.06.2020] 3stones solved the Level II challenge 'Unusual encryption using a diophantine equation'    +++    [22:56 - 02.06.2020] nobody solved the Level II challenge 'The T52 Sturgeon Challenge — Part 1'    +++    [06:03 - 02.06.2020] lebolob158 solved the Level I challenge 'Original Caesar Cipher'    +++