MysteryTwister C3
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Level I Challenges (75)

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

One-Time Pad with Flaws

[esslinger-06] - 235 users already solved this challenge, 14 are working on it.
 
 
 

The "Three Investigators" heard that it was possible to create truly unbreakable cipher texts if you linked a stream of true random numbers to the plaintext (one-time pad). However this random stream must be incalculable for outsiders. Do you think you can, nevertheless, decrypt an eavesdropped encrypted message from the "Three Investigators"?
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Author: This email address is being protected from spambots. You need JavaScript enabled to view it.
Published on: 2010-11-12 15:30
Maximum number of attempts for this challenge: 20

All successful users of this challenge

Rank User (#235) Achieved points (Global score) y-m-d - h:m:s

Ilya Ozerov (ilya) 200 (20556) 2010-11-12 22:20:45
Armin Krauss (argh) 200 (155287) 2010-11-12 23:20:47
Roadrunner (rr) 200 (12702) 2010-11-13 11:41:23
Hans Schuell (hschuell) 150 (2194) 2010-11-13 23:49:54
#5 Michael Möller (michaelm) 150 (118745) 2010-11-14 10:07:59
#6 Thomas Mattel (Tom) 133 (2462) 2010-11-14 17:28:22
#7 Benedikt Langer (belan) 133 (340) 2010-11-14 22:34:11
#8 mischa (mmisc) 125 (22426) 2010-11-15 18:06:22
#9 Nabb (Nabb) 117 (13803) 2010-11-18 05:24:01
#10 David (aki321) 114 (27482) 2010-11-18 23:04:19
#11 Ulrich Armbrüster (uarmbruester) 113 (7987) 2010-11-19 16:04:53
#12 Ronny Frey (nimbus) 109 (315) 2010-11-22 16:20:43
#13 Bernd Freise (Xanhem) 108 (1154) 2010-11-23 19:31:41
#14 Christian Inci (ch100) 104 (7761) 2010-12-05 09:44:36
#15 Thomas Gonda (TomG) 104 (33741) 2010-12-05 20:23:09
#16 Michail Pokryschkin (micpok) 104 (766) 2010-12-06 07:59:40
#17 Andreas Wolff (timberwolff) 103 (1340) 2010-12-16 14:36:04
#18 Vincent (Bwian) 102 (552) 2010-12-28 18:15:04
#19 Paula Olsen (paol) 102 (825) 2010-12-30 02:33:44
#20 Rene (HeavyHorst) 102 (409) 2011-01-02 20:46:09
#21 Wolfgang Weisser (wowmyst) 102 (33108) 2011-01-03 15:28:06
#22 ingo (ingo) 102 (712) 2011-01-04 21:22:39
#23 Lukas (Kahla) 102 (4719) 2011-01-07 00:08:56
#24 Hans Rudolf (mutabor) 101 (3015) 2011-01-24 23:29:32
#25 Gergely Simon (george314) 101 (16555) 2011-01-28 21:17:57
#26 Florian Rüchel (Javex) 101 (721) 2011-01-31 01:44:38
#27 Maximilian Engelhardt (theAngele) 101 (304) 2011-02-13 11:05:20
#28 Christine Welsch (krawallchrischtl) 101 (809) 2011-02-16 00:36:14
#29 Nobody (nobody) 101 (40618) 2011-02-17 21:13:52
#30 Fabian Bendun (benfa) 101 (8697) 2011-02-21 00:19:25
#31 Carsten Baum (crashti) 101 (1135) 2011-03-15 19:08:00
#32 Robert Kosten (Robert Kosten) 101 (2724) 2011-03-22 19:36:45
#33 Christof Kleber (Loki) 101 (5848) 2011-04-15 11:35:35
#34 Case (Case) 101 (505) 2011-04-17 12:01:28
#35 Sepp Maier (smai) 101 (1898) 2011-04-17 19:44:57
#36 Fabian Hemmer (llan) 101 (7842) 2011-04-18 19:51:08
#37 Andreas Schmitz (dexstar) 101 (1701) 2011-04-21 18:04:15
#38 Wombat (Wombat) 101 (5822) 2011-04-24 15:12:34
#39 Markus Krell (makrell) 101 (304) 2011-04-26 16:53:07
#40 Armin Lehmann (kuchen) 101 (101) 2011-04-27 22:55:23
#41 Egon Hamburger (Seehase) 101 (3445) 2011-05-08 14:01:48
#42 no such (agency) 101 (1916) 2011-05-12 15:15:13
#43 Daniel Fretwell (fretty) 100 (30107) 2011-06-21 11:16:24
#44 O.B. (Abaris) 100 (800) 2011-07-06 17:08:51
#45 Stefan Haas (stef_the_chef) 100 (4329) 2011-07-07 18:58:37
#46 Peter Mustermann (Gummiboot) 100 (60285) 2011-07-15 22:20:31
#47 Seth Kintigh (DarkFibre) 100 (79471) 2011-07-16 08:40:51
#48 Simon Jakob (simon.jakob) 100 (18714) 2011-07-23 16:17:30
#49 Robbt Neid (Das Tupel) 100 (9403) 2011-07-26 18:45:54
#50 Dano (Dano) 100 (14610) 2011-08-02 00:30:08
#51 dbuq (dbuq) 100 (22762) 2011-08-03 16:31:22
#52 Viktor (Veselovský) 100 (113116) 2011-08-08 03:10:34
#53 Nicolas Golubovic (qll) 100 (14919) 2011-08-16 02:49:55
#54 Horst Kevin (lordstege) 100 (1419) 2011-08-29 16:15:52
#55 Ph il (audioPhil) 100 (1935) 2011-09-02 03:09:37
#56 Dennis Walter (Lotus) 100 (6977) 2011-09-18 04:14:58
#57 J. M. (jomandi) 100 (113270) 2011-09-20 23:59:24
#58 Anton Wendel (MoD) 100 (5679) 2011-09-28 19:23:01
#59 marmotte (marmotte) 100 (1549) 2011-10-03 19:05:24
#60 j.h. (haegarq) 100 (11696) 2011-10-09 22:42:02
#61 The Killer (Killer) 100 (42393) 2011-10-20 21:50:29
#62 Bart den Hartog (Bart13) 100 (116412) 2011-11-01 22:51:35
#63 Martin L (Caesar) 100 (400) 2011-12-04 17:05:51
#64 Wade Burch (Braernoch) 100 (1308) 2011-12-11 02:18:12
#65 Nathan (Witten) 100 (25326) 2011-12-12 00:09:20
#66 John Willemse (Melting Brains) 100 (1316) 2011-12-14 12:07:38
#67 Flo Geht_dich gar_nichts_an (flo) 100 (6271) 2011-12-14 15:29:23
#68 Michael Gürtler (michaelg) 100 (4128) 2011-12-19 20:22:00
#69 Mayuresh Anand (effort2break) 100 (8728) 2012-01-01 21:10:05
#70 John (johnstosh) 100 (4448) 2012-01-18 04:33:29
#71 Matthias Schwarzkopf (MatzeAT) 100 (2967) 2012-01-28 10:08:00
#72 Lassu Eger (Hun) (slowmouse) 100 (1118) 2012-01-30 20:20:37
#73 George (Sw1mDC) 100 (601) 2012-02-10 17:58:32
#74 Hans Peter (hanspeter) 100 (48115) 2012-02-14 17:46:12
#75 aaa dummy (aaadummy) 100 (1903) 2012-02-17 17:37:21
#76 h3po (h3po) 100 (20433) 2012-02-19 13:33:32
#77 J Br (j.br) 100 (3242) 2012-02-20 16:27:10
#78 John (Tiger) 100 (1505) 2012-02-20 19:20:43
#79 Benjamin Walter (Xemrox) 100 (701) 2012-02-26 17:42:57
#80 Benne (post_ex0dus) 100 (601) 2012-03-03 00:31:03
#81 Kurt Gebauer (Yokozuna) 100 (120839) 2012-03-06 19:22:39
#82 Felix Mohr (winterwolf) 100 (2364) 2012-03-07 12:40:45
#83 Luigi Tomelli (archstanton) 100 (95549) 2012-03-10 11:00:00
#84 chris_3stones (3stones) 100 (34472) 2012-03-13 19:49:05
#85 George (Theofanidis) 100 (88988) 2012-03-13 19:50:07
#86 Clint G (balachthon) 100 (701) 2012-04-05 08:44:10
#87 Dusan (xxdradus) 100 (40134) 2012-04-05 10:36:29
#88 bubba gump (surrenderyourworld) 100 (925) 2012-04-09 01:57:10
#89 H. Lautenschlager (helmi) 100 (18162) 2012-04-11 16:04:52
#90 Christian von Mach (cvm) 100 (726) 2012-04-19 15:22:21
#91 Thomas Lambert (lambert) 100 (38594) 2012-04-20 12:52:56
#92 Uli Dulli (Uli Dulli) 100 (1408) 2012-05-06 16:47:17
#93 Ken (kmon123) 100 (200) 2012-05-27 06:07:18
#94 zuben c3 (zuben-c3) 100 (15014) 2012-06-11 10:48:06
#95 Daniel Richter (TheHiveMind) 100 (11147) 2012-06-12 21:27:08
#96 Steven Bi (chenhsi) 100 (1305) 2012-06-14 23:16:52
#97 Michel Van Caneghem (vancan) 100 (49719) 2012-06-16 23:28:57
#98 Ralf Stephan (rwst) 100 (22735) 2012-06-23 11:04:07
#99 mmm (mmm) 100 (200) 2012-07-14 09:29:23
#100 masam (jimboo) 100 (18486) 2012-07-14 14:04:04
#101 KW (qwer*) 100 (13753) 2012-07-15 19:35:52
#102 Em Doulgerakis (Greko) 100 (109970) 2012-07-21 11:32:56
#103 Stepan (m1sterx) 100 (19165) 2012-07-26 08:45:32
#104 Chakay (Chakay) 100 (900) 2012-07-29 20:37:43
#105 David (Neereus) 100 (1420) 2012-08-05 17:33:26
#106 RPH (derichard) 100 (27044) 2012-09-05 00:41:49
#107 Benny (Kingombo) 100 (3663) 2012-09-23 02:40:45
#108 Hannes (Hartmann) 100 (8680) 2012-09-23 20:48:18
#109 Martina (Nikita) 100 (3863) 2012-09-25 00:54:37
#110 Jan Knap (maddoxik) 100 (2358) 2012-09-30 22:14:41
#111 E.T (Ertheb) 100 (54872) 2012-10-01 22:21:02
#112 Paul Pantea (Soarele007) 100 (2695) 2012-10-28 23:49:31
#113 Lukas Juhrich (ljuhrich) 100 (5453) 2012-10-31 18:34:25
#114 Christian (md6) 100 (1404) 2012-11-04 19:22:20
#115 The Enigma (enigma) 100 (14336) 2012-11-07 23:10:23
#116 Andrew (Agromania) 100 (4508) 2012-11-15 18:57:55
#117 Urs Gysler (Sansibar) 100 (3164) 2012-12-02 09:52:02
#118 Alexander Pöllmann (alexanderla) 100 (601) 2012-12-24 13:47:27
#119 zahir mohsen moradi (ariobarzan) 100 (99757) 2013-01-26 16:16:10
#120 Thomas Hahn (4OsoCg31XYcO) 100 (1703) 2013-01-28 18:03:36
#121 Hans Joachim Girulat (joregi) 100 (28462) 2013-03-21 21:31:25
#122 Velko Nikolov (staafl) 100 (13467) 2013-04-09 00:51:23
#123 Gianluca Andriolo (Andriolo) 100 (3900) 2013-04-12 09:22:33
#124 Snake (snk) 100 (51689) 2013-04-15 18:08:00
#125 Ramon Rojas (superme) 100 (3409) 2013-04-16 22:57:24
#126 coldwaterq (coldwaterq) 100 (1705) 2013-04-18 20:23:54
#127 Stefan (sdn) 100 (5137) 2013-04-29 10:08:56
#128 Gabriel (mathgl24) 100 (2427) 2013-05-10 14:31:59
#129 HE (hendeng) 100 (1600) 2013-05-17 12:09:00
#130 mk (bilbobeutlin) 100 (12340) 2013-05-17 13:04:10
#131 Petra (humppapenguin) 100 (3872) 2013-05-23 01:05:40
#132 n a (jarofyarr) 100 (1901) 2013-05-23 16:02:04
#133 Felix (Flix) 100 (13712) 2013-05-24 18:59:37
#134 H. X. R. (herp) 100 (602) 2013-06-03 01:31:39
#135 Steve (Samacian) 100 (23704) 2013-06-05 05:42:03
#136 CryptY (Grompf) 100 (2880) 2013-06-12 15:12:04
#137 Almut (problelmo) 100 (45992) 2013-06-26 01:09:14
#138 Friedemann (friede) 100 (3599) 2013-06-28 00:09:01
#139 Vlatiha Romanova (Vlatiha) 100 (10223) 2013-07-16 12:15:18
#140 Philipp Hammer-Pohlau (phase2) 100 (17981) 2013-07-18 22:41:36
#141 oldak (oldak) 100 (1300) 2013-08-09 13:13:52
#142 george lasry (george4096) 100 (281491) 2013-09-04 00:19:11
#143 Sebastian Kluge (zappo) 100 (1801) 2013-09-10 22:10:16
#144 Alexander (cruachan) 100 (16051) 2013-09-13 19:10:23
#145 Bernhard Gruber (bgr) 100 (22631) 2013-10-10 15:48:52
#146 Boris (Kaasu) 100 (16566) 2013-10-17 23:13:10
#147 pablo (cooltrain) 100 (1500) 2013-11-28 13:00:49
#148 Jim Gillogly (Scryer) 100 (21260) 2013-12-02 18:58:14
#149 Francisco Moraes (fmoraes) 100 (90044) 2013-12-10 21:46:48
#150 Alain (Integral) 100 (198642) 2013-12-15 10:56:31
#151 Brad (braddrew) 100 (15878) 2013-12-15 11:11:45
#152 cworstell (ace2) 100 (4870) 2013-12-19 02:17:00
#153 Csaba Fitzl (csaby) 100 (6696) 2014-01-01 13:05:11
#154 Sebastian Liebl (Basti van Tasti) 100 (2548) 2014-01-05 20:31:03
#155 Joost (Joost) 100 (2653) 2014-01-10 00:48:22
#156 Pavel (haw) 100 (22728) 2014-01-12 10:24:54
#157 James Booth (jimbojetset35) 100 (2547) 2014-01-13 22:58:34
#158 Kim H. S. (tenchijin) 100 (22681) 2014-01-14 21:59:06
#159 Forrest Gump (Polyphem) 100 (38763) 2014-01-18 01:46:44
#160 Felix Eckardt (Felck) 100 (3464) 2014-01-18 20:43:34
#161 Marcel (bene1512) 100 (20896) 2014-02-02 14:17:46
#162 Nofre Tete (noffi) 100 (10522) 2014-02-12 18:57:24
#163 Ulf Nilsson (unilsson) 100 (1100) 2014-03-05 08:07:45
#164 mark (FivePrime) 100 (3345) 2014-03-10 17:34:19
#165 Karl Schutt (günter) 100 (34469) 2014-04-04 23:02:53
#166 Roland Schatz (flOvermind) 100 (3051) 2014-05-30 02:22:59
#167 Manfred Wurm (Tschabobo) 100 (7619) 2014-06-01 18:23:32
#168 Jian Wen (XxWappenxX) 100 (4048) 2014-06-23 12:40:56
#169 Julia Bernotat (El Greco ) 100 (81129) 2014-07-10 21:12:07
#170 julius gaius (julius) 100 (25581) 2014-07-19 21:45:40
#171 Hughes (hughes) 100 (4534) 2014-07-24 11:49:16
#172 Robert (rm) 100 (56012) 2014-07-31 22:11:08
#173 Isabella (Isa) 100 (4235) 2014-09-02 10:45:41
#174 Peter Lustig (arsen) 100 (2838) 2014-09-08 10:06:51
#175 Flo (sealth) 100 (13472) 2014-09-09 19:52:11
#176 Andreas Frerichs (Ossili) 100 (33026) 2014-09-11 16:27:51
#177 Javantea (Javantea) 100 (38889) 2014-11-10 10:33:38
#178 HolgerK (HolgerK) 100 (23648) 2014-11-22 14:06:38
#179 Michael Jeffrey (empjay) 100 (2904) 2014-12-04 02:17:23
#180 Claude Vaillancourt (Cl3v3r) 100 (38251) 2014-12-30 19:15:32
#181 Danny Higgins (hamster147) 100 (15597) 2015-01-04 23:38:17
#182 Kai Ludwig (TalentRaspel) 100 (15704) 2015-01-05 13:38:41
#183 Hank (hanky) 100 (22859) 2015-01-26 03:08:13
#184 Shoukat (e195633) 100 (10617) 2015-02-09 00:02:12
#185 Tim Fink (Magellan) 100 (4626) 2015-02-13 10:15:09
#186 mirth23 (mirth23) 100 (7050) 2015-02-17 19:32:47
#187 Rainer Zufall (kiekuk) 100 (42198) 2015-03-02 17:50:15
#188 Mark Milhet (xwordmark1) 100 (2322) 2015-03-16 15:50:17
#189 S Combes (jerva) 100 (77932) 2015-03-17 20:31:00
#190 Brian Kieslich (briank) 100 (6733) 2015-04-06 20:27:52
#191 S (Dingo_the_BB) 100 (6534) 2015-04-08 20:57:19
#192 Jogie (Jogie) 100 (2221) 2015-04-27 21:20:55
#193 Matthias Kotzerke (Esdeath) 100 (4004) 2015-05-13 00:28:43
#194 partamier (yann) 100 (5435) 2015-05-15 19:38:01
#195 Bentz (Wolfgang19) 100 (2583) 2015-05-25 18:49:01
#196 Michael Ammon (Ammonym) 100 (7719) 2015-05-25 20:58:43
#197 Georgius Stolte (HazmatsFear) 100 (14247) 2015-06-01 20:20:16
#198 Defekt75 (Defekt75) 100 (4325) 2015-06-24 13:20:21
#199 Mark van Heeswijk (markvh) 100 (2600) 2015-07-06 02:52:57
#200 Erik (Erox) 100 (20365) 2015-07-14 23:40:10
#201 Alain Collignon (vexilla72) 100 (51007) 2015-10-01 06:04:32
#202 J-L Morel (Rossignol) 100 (23146) 2015-10-04 14:37:26
#203 Joerg G. (SnifferMaster) 100 (17225) 2015-10-07 11:59:33
#204 S (Zyphe) 100 (8324) 2015-10-24 13:55:17
#205 Szabó Zoltán (szabo.z87) 100 (47990) 2015-11-06 07:45:34
#206 Rainer (Rainer74) 100 (8417) 2015-12-05 15:10:19
#207 Dominik M. (Sgt. Pepper) 100 (43997) 2015-12-16 11:09:36
#208 Lane Williams (planetlane) 100 (6348) 2015-12-27 04:48:00
#209 Wolfgang Kittenberger (kittekat) 100 (600) 2015-12-28 23:18:48
#210 Casaubon (cfreuden) 100 (8515) 2016-01-13 00:27:57
#211 D (devilchn) 100 (11142) 2016-02-09 20:14:58
#212 WF (f077) 100 (6874) 2016-02-16 19:28:27
#213 Peter (Garnet) 100 (14133) 2016-03-11 12:14:50
#214 Peter (TomBombadil) 100 (3417) 2016-04-02 17:01:59
#215 Joris Diesvelt (SylverFox) 100 (4019) 2016-06-30 23:47:04
#216 Norbert Biermann (Norbert) 100 (40024) 2016-07-07 19:54:44
#217 Benjamin Snavely (kaka) 100 (2708) 2016-08-07 15:58:39
#218 JoGo (JoGo) 100 (11285) 2016-08-31 11:08:21
#219 Nicolas (nicosPavlov) 100 (71054) 2016-09-29 12:57:14
#220 Daniel Walder (ibex) 100 (14372) 2016-10-20 15:06:17
#221 Julian (Lemmynator) 100 (5931) 2016-11-20 15:27:03
#222 Michael (FoM) 100 (13778) 2016-12-12 00:31:27
#223 Merricx (Merricx) 100 (9088) 2016-12-13 09:17:19
#224 Meine Registrierung (TryC3) 100 (6045) 2016-12-25 14:45:14
#225 Tristan1473 (Tristan1473) 100 (17553) 2017-02-05 12:48:21
#226 Christoph (capiaghi) 100 (1804) 2017-03-02 22:14:43
#227 Mir Dim (mir0soft) 100 (49971) 2017-03-12 17:51:34
#228 Mau_Kappel (Mau_Kappel) 100 (4395) 2017-03-19 16:02:35
#229 chris (c2) 100 (51973) 2017-03-25 07:14:00
#230 Mihail (plexor) 100 (10961) 2017-05-28 21:45:12
#231 Lin Lu (Lin) 100 (300) 2017-06-01 08:55:42
#232 D3d4lu5 (D3d4lu5) 100 (57702) 2017-06-13 00:34:07
#233 sarah b (silva) 100 (3502) 2017-06-27 10:26:47
#234 Moomin (Mushmom) 100 (7674) 2017-07-15 22:14:17
#235 Akonia (Akonia12) 100 (12153) 2017-07-18 18:22:46
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