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Level II Challenges (160)

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

Polyhomophonic Substitution — Part 3
[madness-03] - 14 users already solved this challenge.
 
 
 
This part of the challenge series introduces polyhomophonic substitution. In a polyhomophonic substitution cipher, each ciphertext symbol can represent one of several plaintext symbols, and each plaintext letter can be encrypted as one of several ciphertext letters. The key is a mapping from the set of plaintext symbols to the set of ciphertext symbols.
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Published on: 2020-04-06 20:44
Maximum number of attempts for this challenge: 15

All successful users of this challenge

Rank User (#14) Achieved points (Global score) y-m-d - h:m:s
Armin Krauss (argh) 2000 (206965) 2020-04-06 22:29:12
Snake (snk) 2000 (187783) 2020-04-07 08:54:32
Thomas (Thomas4897) 2000 (36141) 2020-04-07 14:25:54
Dominik M. (Sgt. Pepper) 2000 (128575) 2020-04-07 14:59:45
#5 Kurt Gebauer (Yokozuna) 2000 (282608) 2020-04-07 15:25:09
#6 Viktor (Veselovský) 2000 (169444) 2020-04-07 15:49:37
#7 J-L Morel (Rossignol) 1433 (42130) 2020-04-20 11:01:25
#8 D3d4lu5 (D3d4lu5) 1337 (363488) 2020-05-06 18:16:08
#9 George Lasry (george4096) 1310 (422251) 2020-05-14 23:52:33
#10 Norbert Biermann (Norbert) 1284 (47790) 2020-05-27 15:29:25
#11 Alain Collignon (vexilla72) 1199 (123666) 2020-09-16 08:49:49
#12 Michael (FoM) 1174 (57794) 2020-12-18 02:33:31
#13 Luigi Tomelli (archstanton) 1154 (127538) 2021-05-01 18:20:58
#14 Eric (ExAstris) 1151 (56037) 2021-05-29 19:54:05
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