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Level II Challenges (160)

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

Kaskade-S/T — Part 2

[esslinger-10] - 50 users already solved this challenge, 4 are working on it.
 
 
 

Your friend calls you again and wants you to “test” his cipher (see Kaskade-S/T Part 1) with a longer key. He sends you a plaintext and the corresponding ciphertext and asks, if you could discover the key used for encryption.
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Author: This email address is being protected from spambots. You need JavaScript enabled to view it.
Published on: 2011-03-04 00:00
Maximum number of attempts for this challenge: 20

All successful users of this challenge

Rank User (#50) Achieved points (Global score) y-m-d - h:m:s

mischa (mmisc) 1613 (22426) 2011-03-08 03:15:02
Armin Krauss (argh) 1613 (206965) 2011-03-08 18:26:50
Thomas Gonda (TomG) 1576 (36291) 2011-03-09 18:25:14
Christian Inci (ch100) 1398 (9253) 2011-03-21 16:38:35
#5 J. M. (jomandi) 1217 (113270) 2011-07-03 23:15:20
#6 Seth Kintigh (DarkFibre) 1207 (79471) 2011-07-24 09:27:14
#7 Dano (Dano) 1203 (14610) 2011-08-04 01:02:25
#8 Peter Mustermann (Gummiboot) 1196 (60285) 2011-08-22 14:17:04
#9 Nicolas Golubovic (qll) 1191 (14919) 2011-09-07 02:37:09
#10 Viktor (Veselovský) 1188 (169444) 2011-09-17 23:18:10
#11 Dennis Walter (Lotus) 1188 (6977) 2011-09-18 04:23:42
#12 Keith Randall (randall77) 1175 (31011) 2011-11-09 19:59:34
#13 The Killer (Killer) 1172 (42393) 2011-11-27 16:21:43
#14 Bart den Hartog (Bart13) 1169 (148936) 2011-12-14 16:38:50
#15 Kurt Gebauer (Yokozuna) 1156 (282608) 2012-03-15 19:48:59
#16 Hans Peter (hanspeter) 1147 (52356) 2012-06-07 19:25:00
#17 Michel Van Caneghem (vancan) 1147 (49719) 2012-06-07 21:15:36
#18 Christian (Etschupu) 1145 (31788) 2012-07-03 14:06:25
#19 Luigi Tomelli (archstanton) 1144 (127538) 2012-07-06 18:08:24
#20 Michael Möller (michaelm) 1141 (253196) 2012-08-18 15:02:02
#21 George (Theofanidis) 1141 (130187) 2012-08-24 19:51:03
#22 Em Doulgerakis (Greko) 1140 (193799) 2012-08-30 15:41:07
#23 chris_3stones (3stones) 1138 (38845) 2012-09-30 22:06:36
#24 E.T (Ertheb) 1124 (81809) 2013-07-03 13:14:40
#25 zahir mohsen moradi (ariobarzan) 1123 (99757) 2013-07-06 16:54:09
#26 George Lasry (george4096) 1122 (399565) 2013-08-23 22:15:57
#27 Boris (Kaasu) 1119 (16566) 2013-11-11 23:05:56
#28 Dusan (xxdradus) 1117 (40436) 2013-12-23 14:30:19
#29 Alain (Integral) 1117 (207924) 2013-12-29 18:46:19
#30 Forrest Gump (Polyphem) 1116 (38763) 2014-01-26 01:29:25
#31 Kim H. S. (tenchijin) 1116 (25468) 2014-02-08 08:08:06
#32 hellman (hellman) 1114 (14862) 2014-04-08 16:14:23
#33 Francisco Moraes (fmoraes) 1108 (90044) 2014-11-26 17:33:02
#34 Robert (rm) 1108 (56475) 2014-12-19 20:44:10
#35 Julia Bernotat (El Greco ) 1108 (81129) 2015-01-01 00:00:00
#36 Szabó Zoltán (szabo.z87) 1100 (55604) 2016-03-03 14:30:39
#37 Norbert Biermann (Norbert) 1097 (47790) 2016-09-23 14:02:50
#38 Nicolas (nicosPavlov) 1097 (257791) 2016-10-27 14:45:56
#39 Alain Collignon (vexilla72) 1097 (123666) 2016-11-07 10:11:44
#40 Dominik M. (Sgt. Pepper) 1095 (128575) 2017-03-21 16:59:48
#41 chris (c2) 1095 (51973) 2017-04-04 12:10:18
#42 Mir Dim (mir0soft) 1095 (79760) 2017-04-06 10:35:16
#43 D3d4lu5 (D3d4lu5) 1094 (363488) 2017-07-10 19:21:52
#44 J-L Morel (Rossignol) 1093 (42130) 2017-09-11 11:07:06
#45 Random Dude (rnd) 1089 (103645) 2018-09-08 15:14:30
#46 Mike (RogueRamblers) 1087 (81614) 2019-07-08 03:06:23
#47 Julian (Lemmynator) 1087 (20822) 2019-09-07 19:26:17
#48 Eugene (lim0n) 1086 (193160) 2019-09-10 12:25:35
#49 sarah b (silva) 1083 (49171) 2021-01-07 11:18:58
#50 Gerd Wilts (gerdw) 1083 (50634) 2021-02-22 14:55:15
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