MysteryTwister C3
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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).

Breaking a Filter Generator

[cli-03] - 13 users already solved this challenge.
 
 
 

You are given a part of a keystream, which was produced by a filter generator. Can you find the missing keystream bytes?
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Published on: 2018-09-25 14:22
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

Kurt Gebauer (Yokozuna) 1824 (175433) 2018-09-26 21:06:06
Viktor (Veselovský) 1725 (153262) 2018-09-27 22:20:26
roehm (roehm) 1725 (5399) 2018-09-28 00:56:29
D3d4lu5 (D3d4lu5) 1725 (295709) 2018-09-28 02:01:18
#5 Alain Collignon (vexilla72) 1660 (87833) 2018-09-28 16:19:20
#6 S Combes (jerva) 1660 (99132) 2018-09-29 13:49:15
#7 Nicolas (nicosPavlov) 1469 (151166) 2018-10-06 07:29:57
#8 E.T (Ertheb) 1385 (81809) 2018-10-15 13:04:25
#9 George Lasry (george4096) 1330 (299488) 2018-10-27 02:15:58
#10 Random Dude (rnd) 1318 (90929) 2018-10-30 18:04:00
#11 Kasia (kasia-tutej) 1232 (53366) 2018-12-31 19:29:06
#12 ykaridi (ykaridi) 1192 (7035) 2019-03-27 20:24:51
#13 Bart den Hartog (Bart13) 1164 (139176) 2019-08-06 16:56:35
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   +++    [19:38 - 24.08.2019] Stephje1978 solved the Level I challenge 'Letter from the Alleged Countess Julie von Ortenburg'    +++    [19:27 - 24.08.2019] Theofanidis solved the Level II challenge 'A Cloaked Substitution Cipher — Part 1'    +++    [17:35 - 24.08.2019] Veselovský solved the Level II challenge 'A Cloaked Substitution Cipher — Part 1'    +++    [15:36 - 24.08.2019] bereal solved the Level I challenge 'Autokey Cipher'    +++    [11:24 - 24.08.2019] Oph3lia solved the Level I challenge 'Number Sequence — Part 2'    +++