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Level II Challenges (132)

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

Homophonic Encryption — Part 2

[kopal-02] - 18 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 2 of this series we consider a distribution of the homophones based on English language statistics. 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 21:30
Maximum number of attempts for this challenge: 15

All successful users of this challenge

Rank User (#18) Achieved points (Global score) y-m-d - h:m:s

George Lasry (george4096) 1725 (299488) 2019-05-10 22:02:30
Armin Krauss (argh) 1725 (185115) 2019-05-10 22:04:09
Snake (snk) 1725 (79889) 2019-05-10 22:29:03
Alain Collignon (vexilla72) 1725 (87833) 2019-05-10 23:47:11
#5 Viktor (Veselovský) 1725 (151602) 2019-05-11 00:58:36
#6 H. Lautenschlager (helmi) 1725 (32947) 2019-05-11 19:53:59
#7 Kurt Gebauer (Yokozuna) 1725 (175433) 2019-05-11 20:56:51
#8 E.T (Ertheb) 1613 (81809) 2019-05-13 19:28:56
#9 D3d4lu5 (D3d4lu5) 1576 (295709) 2019-05-14 06:05:32
#10 Eugene (lim0n) 1523 (47187) 2019-05-16 13:32:40
#11 sarah b (silva) 1485 (23218) 2019-05-18 19:57:39
#12 Random Dude (rnd) 1469 (90929) 2019-05-19 05:44:02
#13 George (Theofanidis) 1469 (109124) 2019-05-19 16:12:16
#14 Dominik M. (Sgt. Pepper) 1433 (97919) 2019-05-22 15:21:28
#15 Danny Higgins (hamster147) 1423 (34095) 2019-05-22 21:56:59
#16 Stephan (Stephje1978) 1254 (26362) 2019-07-20 18:47:10
#17 Bart den Hartog (Bart13) 1251 (139176) 2019-07-23 00:42:48
#18 gerdw (gerdw) 1246 (28316) 2019-07-27 23:58:09
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   +++    [00:59 - 24.08.2019] Bart13 solved the Level II challenge 'A Cloaked Substitution Cipher — Part 1'    +++    [22:06 - 23.08.2019] Stephje1978 solved the Level II challenge 'Hybrid Encryption I'    +++    [18:51 - 23.08.2019] Stephje1978 solved the Level II challenge 'Not-so-Secret Message from Malawi — Part I (RSA)'    +++    [18:24 - 23.08.2019] edulycan solved the Level I challenge 'Number Sequence — Part 8'    +++    [18:07 - 23.08.2019] edulycan solved the Level I challenge 'A hidden word'    +++