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Level I Challenges (82)

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

Monoalphabetic substitution with camouflage — Part 4

[veselovsky-12] - 42 users already solved this challenge, 5 are working on it.
 
 
 

Alice and Bob use the cipher as it had been described in part 3 of this challenge. Due to an error one message has been encrypted and sent twice. Does this help you to find out the shared key and enables you to decrypt a third message easily?
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Author: This email address is being protected from spambots. You need JavaScript enabled to view it.
Published on: 2011-12-21 13:50
Maximum number of attempts for this challenge: 15

All successful users of this challenge

Rank User (#42) Achieved points (Global score) y-m-d - h:m:s

Armin Krauss (argh) 200 (190214) 2011-12-21 23:01:38
Nathan (Witten) 200 (25326) 2011-12-22 11:32:59
Bart den Hartog (Bart13) 200 (148936) 2011-12-22 13:18:58
J. M. (jomandi) 150 (113270) 2011-12-22 18:04:13
#5 Wombat (Wombat) 106 (5822) 2012-01-08 13:06:15
#6 Martin Härterich (HaeM) 102 (15149) 2012-01-31 15:34:34
#7 Seth Kintigh (DarkFibre) 101 (79471) 2012-02-28 20:32:45
#8 Michael Möller (michaelm) 101 (175129) 2012-04-22 09:46:42
#9 Michel Van Caneghem (vancan) 101 (49719) 2012-06-16 19:15:24
#10 Kurt Gebauer (Yokozuna) 101 (180593) 2012-07-01 00:45:38
#11 Stepan (m1sterx) 100 (19165) 2012-08-01 22:31:58
#12 Keith Randall (randall77) 100 (31011) 2012-10-09 17:08:31
#13 Hans Peter (hanspeter) 100 (52356) 2012-11-09 18:25:03
#14 Almut (problelmo) 100 (45992) 2013-05-19 08:35:56
#15 Em Doulgerakis (Greko) 100 (131437) 2013-08-13 15:19:27
#16 zahir mohsen moradi (ariobarzan) 100 (99757) 2013-09-16 15:19:18
#17 chris_3stones (3stones) 100 (37759) 2013-12-29 19:40:12
#18 George (Theofanidis) 100 (113380) 2013-12-29 19:41:51
#19 Alain (Integral) 100 (207924) 2014-01-04 12:15:04
#20 Dusan (xxdradus) 100 (40236) 2014-02-17 08:19:36
#21 Lena Meier (aurelie) 100 (624) 2014-07-15 13:50:27
#22 Snake (snk) 100 (90574) 2014-07-16 12:27:56
#23 Francisco Moraes (fmoraes) 100 (90044) 2014-11-13 15:49:35
#24 HolgerK (HolgerK) 100 (25776) 2015-05-14 00:13:21
#25 Andreas Frerichs (Ossili) 100 (33266) 2015-07-12 20:53:08
#26 Robert (rm) 100 (56475) 2015-07-24 15:59:19
#27 E.T (Ertheb) 100 (81809) 2015-09-11 16:29:09
#28 Szabó Zoltán (szabo.z87) 100 (55604) 2015-12-24 19:02:32
#29 Rainer Zufall (kiekuk) 100 (56786) 2016-01-19 11:49:40
#30 Peter (Garnet) 100 (14234) 2016-07-11 16:42:53
#31 Bernhard Gruber (bgr) 100 (22889) 2016-08-24 14:07:30
#32 Norbert Biermann (Norbert) 100 (45031) 2016-09-06 10:48:43
#33 Nicolas (nicosPavlov) 100 (151166) 2016-11-21 12:53:04
#34 Alain Collignon (vexilla72) 100 (96903) 2016-11-22 20:25:37
#35 Dominik M. (Sgt. Pepper) 100 (97919) 2017-04-04 13:29:47
#36 D3d4lu5 (D3d4lu5) 100 (302572) 2017-07-15 18:22:47
#37 George Lasry (george4096) 100 (305615) 2017-07-30 19:23:28
#38 Random Dude (rnd) 100 (97213) 2018-09-24 20:39:57
#39 clyto (clytorock) 100 (3195) 2018-11-04 14:59:28
#40 Michael (FoM) 100 (38953) 2019-02-03 13:36:30
#41 gerdw (gerdw) 100 (30489) 2019-07-29 21:23:25
#42 Eugene (lim0n) 100 (74108) 2019-10-21 13:41:58
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   +++    [23:21 - 08.12.2019] okurka51 solved the Level I challenge 'Number Sequence — Part 4'    +++    [21:13 - 08.12.2019] Ausdemwald solved the Level I challenge 'Snow White and the seven dwarfs'    +++    [16:27 - 08.12.2019] lim0n solved the Level II challenge 'Pigpen with a twist — Part 2'    +++    [02:12 - 08.12.2019] XP-72 solved the Level I challenge 'Number Sequence — Part 10'    +++    [13:35 - 07.12.2019] Ausdemwald solved the Level I challenge 'Number Sequence — Part 2'    +++