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Level II Challenges (139)

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

Homophonic Encryption — Part 4
[kopal-04] - 17 users already solved this challenge.
 
 
 
Homophonic encryption is a modified version of the monoalphabetic substitution: One plaintext symbol can be substituted by more than one ciphertext symbol. In part 4 of this series we consider a distribution of the homophones based on English language statistics like in part 2, but the alphabet doesn't contain the blank. This is a ciphertext-only challenge. Try to crack the ciphertext and extract a specific word from the plaintext.
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Published on: 2019-05-08 21:31
Maximum number of attempts for this challenge: 15

All successful users of this challenge

Rank User (#17) Achieved points (Global score) y-m-d - h:m:s
Viktor (Veselovský) 2000 (159163) 2019-05-09 00:56:19
Snake (snk) 2000 (95659) 2019-05-09 14:10:58
Armin Krauss (argh) 2000 (192214) 2019-05-09 17:58:49
George Lasry (george4096) 2000 (307439) 2019-05-09 20:48:39
#5 D3d4lu5 (D3d4lu5) 1824 (302572) 2019-05-10 18:25:33
#6 E.T (Ertheb) 1613 (81809) 2019-05-13 19:52:53
#7 Random Dude (rnd) 1456 (98550) 2019-05-20 13:42:29
#8 Dominik M. (Sgt. Pepper) 1444 (103375) 2019-05-21 18:51:04
#9 sarah b (silva) 1321 (31135) 2019-06-12 14:03:49
#10 Stephan (Stephje1978) 1254 (26961) 2019-07-20 19:51:56
#11 Bart den Hartog (Bart13) 1251 (148936) 2019-07-23 02:41:07
#12 gerdw (gerdw) 1246 (34825) 2019-07-27 22:50:35
#13 Danny Higgins (hamster147) 1207 (39638) 2019-09-28 23:53:20
#14 Em Doulgerakis (Greko) 1198 (131437) 2019-10-21 19:24:28
#15 George (Theofanidis) 1196 (114632) 2019-10-27 20:00:15
#16 Alain Collignon (vexilla72) 1180 (114294) 2019-12-22 12:16:59
#17 madness (madness) 1170 (35447) 2020-02-10 11:37:44
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   +++    [07:51 - 25.02.2020] mir0soft solved the Level II challenge 'The LoRa Cipher: Logic Randomness — Part 1'    +++    [00:03 - 25.02.2020] madness solved the Level II challenge 'A Cloaked Substitution Cipher — Part 2'    +++    [23:45 - 24.02.2020] madness solved the Level II challenge 'Typex — Part 2'    +++    [21:34 - 24.02.2020] mir0soft solved the Level II challenge 'Double Column Transposition — Part 3'    +++    [21:12 - 24.02.2020] mir0soft solved the Level II challenge 'Double Column Transposition — Part 1'    +++