MysteryTwister C3
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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).

Hybrid Encryption I

[kitrub-06] - 165 users already solved this challenge, 2 are working on it.
 
 
 

Hybrid encryption is widely used in practice. However, when using hybrid
encryption you should take care of certain details...
Read more...

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Click here to download the challenge.
Click here to download the additional file of the challenge.

Author: This email address is being protected from spambots. You need JavaScript enabled to view it.
Published on: 2010-11-02 00:00
Maximum number of attempts for this challenge: 15

All successful users of this challenge

Rank User (#165) Achieved points (Global score) y-m-d - h:m:s

Nobody (nobody) 2000 (42945) 2010-11-02 22:36:17
Juan (kation) 1824 (6113) 2010-11-03 06:48:02
kyprizel (kyprizel) 1824 (20795) 2010-11-03 11:26:00
Thomas Schmucker (dg) 1824 (26066) 2010-11-03 19:20:13
#5 Claude Laveaux (claude.laveaux) 1824 (14504) 2010-11-03 21:24:56
#6 Roadrunner (rr) 1725 (12702) 2010-11-04 18:55:07
#7 Dennis Walter (Lotus) 1725 (6977) 2010-11-04 20:23:08
#8 Nabb (Nabb) 1660 (13803) 2010-11-05 14:50:54
#9 Armin Krauss (argh) 1502 (206965) 2010-11-10 08:39:31
#10 Cezary Glowacz (cezaryglowacz) 1485 (9995) 2010-11-11 15:53:45
#11 Ilya Ozerov (ilya) 1456 (20556) 2010-11-13 18:18:45
#12 Christian Inci (ch100) 1324 (9253) 2010-12-05 10:40:44
#13 Markus H. (maxxh) 1254 (3728) 2011-01-13 19:11:29
#14 Erik Rusek (Rusk) 1249 (3717) 2011-01-18 15:17:24
#15 Wolfgang Weisser (wowmyst) 1247 (33108) 2011-01-20 13:52:15
#16 mischa (mmisc) 1243 (22426) 2011-01-25 00:10:50
#17 Thomas Gonda (TomG) 1242 (36291) 2011-01-26 13:10:06
#18 David (aki321) 1235 (27482) 2011-02-04 15:55:34
#19 Timothy Lee (TLee) 1210 (1210) 2011-03-18 10:10:41
#20 v n (focus) 1205 (3510) 2011-03-29 01:21:14
#21 J. M. (jomandi) 1183 (113270) 2011-06-07 18:23:03
#22 Seth Kintigh (DarkFibre) 1172 (79471) 2011-07-30 18:27:32
#23 Viktor (Veselovský) 1170 (169444) 2011-08-09 13:10:24
#24 Daniel Fretwell (fretty) 1170 (30107) 2011-08-09 14:58:08
#25 Dano (Dano) 1169 (14610) 2011-08-11 15:53:37
#26 Peter Mustermann (Gummiboot) 1169 (60285) 2011-08-13 01:11:09
#27 dbuq (dbuq) 1168 (22762) 2011-08-21 15:31:34
#28 Nicolas Golubovic (qll) 1168 (14919) 2011-08-22 00:26:36
#29 h3po (h3po) 1167 (20433) 2011-08-24 17:50:06
#30 The Killer (Killer) 1166 (42393) 2011-08-31 01:37:00
#31 Thomas Lambert (lambert) 1158 (38594) 2011-10-30 11:38:30
#32 Christian Matt (Luy) 1157 (9889) 2011-11-01 21:59:37
#33 Bart den Hartog (Bart13) 1154 (148936) 2011-11-28 00:38:06
#34 Michel Van Caneghem (vancan) 1146 (49719) 2012-02-13 22:09:21
#35 Luigi Tomelli (archstanton) 1144 (127538) 2012-03-15 09:44:08
#36 Kurt Gebauer (Yokozuna) 1142 (282608) 2012-04-04 01:17:55
#37 Hans Peter (hanspeter) 1142 (52356) 2012-04-12 11:22:06
#38 Keith Randall (randall77) 1141 (31011) 2012-04-13 04:23:55
#39 Daniel Demmler (dd23) 1140 (8942) 2012-04-28 22:02:41
#40 Dusan (xxdradus) 1138 (40436) 2012-05-31 14:43:11
#41 Daniel Richter (TheHiveMind) 1137 (11450) 2012-06-19 00:53:50
#42 zuben c3 (zuben-c3) 1136 (44417) 2012-06-29 13:47:37
#43 George (Theofanidis) 1136 (132517) 2012-06-29 19:10:06
#44 Em Doulgerakis (Greko) 1134 (193799) 2012-07-26 09:15:29
#45 Christian (Etschupu) 1134 (31788) 2012-07-27 13:43:47
#46 chris_3stones (3stones) 1134 (38845) 2012-08-03 21:04:30
#47 RPH (derichard) 1131 (27044) 2012-09-16 16:56:49
#48 Rex (T-) 1129 (1129) 2012-10-30 07:12:10
#49 hardikkumar (hardik) 1129 (1129) 2012-10-30 07:12:51
#50 E.T (Ertheb) 1129 (81809) 2012-10-30 20:00:47
#51 Ashwin (t_o_x_i_c) 1129 (1129) 2012-11-10 00:38:27
#52 The Enigma (enigma) 1129 (14336) 2012-11-12 19:52:30
#53 zahir mohsen moradi (ariobarzan) 1125 (99757) 2013-02-07 00:16:01
#54 Dhwanil (Ddk1989) 1123 (1723) 2013-03-22 18:01:06
#55 Shailesh Padave (shaileshpadave) 1123 (2261) 2013-03-22 20:44:24
#56 Anubhuti Chaudhary (anubhuti_148) 1123 (1123) 2013-03-23 16:32:28
#57 mk (bilbobeutlin) 1122 (12340) 2013-04-09 21:50:35
#58 Velko Nikolov (staafl) 1122 (13467) 2013-04-20 01:46:46
#59 Almut (problelmo) 1119 (45992) 2013-07-03 23:03:59
#60 Philipp Hammer-Pohlau (phase2) 1118 (17981) 2013-07-23 19:25:32
#61 Ralf Stephan (rwst) 1118 (25229) 2013-07-30 12:16:04
#62 masam (jimboo) 1117 (18687) 2013-08-22 01:51:55
#63 Steve (Samacian) 1117 (23915) 2013-09-10 07:32:04
#64 Gergely Simon (george314) 1116 (17850) 2013-09-27 22:46:32
#65 Alexander (cruachan) 1116 (16051) 2013-10-06 01:52:59
#66 Hank (hanky) 1116 (24373) 2013-10-06 15:47:47
#67 Snake (snk) 1116 (187783) 2013-10-10 19:42:27
#68 Forrest Gump (Polyphem) 1116 (38763) 2013-10-12 20:46:20
#69 Boris (Kaasu) 1116 (16566) 2013-10-20 20:47:20
#70 kevin (krs425) 1115 (1115) 2013-11-04 04:04:24
#71 Brad (braddrew) 1114 (15878) 2013-12-20 13:02:47
#72 jonathan (munz) 1114 (8954) 2013-12-30 22:32:28
#73 Alain (Integral) 1113 (207924) 2014-01-07 11:04:19
#74 Pavel (haw) 1113 (22728) 2014-01-13 12:37:19
#75 Kim H. S. (tenchijin) 1112 (25468) 2014-03-12 08:35:42
#76 hellman (hellman) 1112 (14862) 2014-03-12 16:50:36
#77 caesar ([caesar]) 1111 (10738) 2014-03-24 16:16:15
#78 Karl Schutt (günter) 1111 (44374) 2014-04-05 21:18:54
#79 Igor (idipaolo) 1110 (10639) 2014-05-25 17:03:37
#80 Peter (51dc30ddc) 1108 (10916) 2014-07-27 23:08:55
#81 julius gaius (julius) 1108 (25581) 2014-07-31 00:27:27
#82 Christof B. (beans90) 1108 (9488) 2014-08-16 22:55:53
#83 Robert (rm) 1107 (56475) 2014-09-19 01:21:03
#84 Francisco Moraes (fmoraes) 1106 (90044) 2014-11-05 14:55:56
#85 Javantea (Javantea) 1106 (40816) 2014-11-14 23:08:07
#86 Julia Bernotat (El Greco ) 1106 (81129) 2014-11-26 22:42:34
#87 Kai Ludwig (TalentRaspel) 1105 (15704) 2015-01-17 22:36:43
#88 Claude Vaillancourt (Cl3v3r) 1105 (44129) 2015-01-27 17:58:58
#89 Konstantin Golovan (SoulShaker) 1104 (14091) 2015-03-08 19:37:45
#90 Dennis (skysurfer720) 1104 (1104) 2015-03-20 06:10:25
#91 Rainer Zufall (kiekuk) 1103 (56786) 2015-04-07 16:01:39
#92 Erik (Erox) 1101 (26141) 2015-08-03 12:45:13
#93 Sean (Kavanaugh) 1101 (29143) 2015-08-10 21:05:38
#94 Scombes (jerva) 1100 (266541) 2015-10-29 17:52:18
#95 Szabó Zoltán (szabo.z87) 1100 (55604) 2015-11-18 16:03:01
#96 Alain Collignon (vexilla72) 1100 (123666) 2015-11-23 14:03:48
#97 Dominik M. (Sgt. Pepper) 1099 (128575) 2016-01-21 18:10:47
#98 Marco Manfredi (mkk9901) 1098 (17686) 2016-03-15 14:41:33
#99 Guruswamy Nellaivadivelu (guruvadivelu) 1098 (1098) 2016-03-16 20:56:35
#100 Praveen (praveen.subramaniyam) 1098 (1098) 2016-03-16 21:00:36
#101 Norbert Biermann (Norbert) 1096 (47790) 2016-08-01 15:19:05
#102 Flo (sealth) 1096 (25734) 2016-08-22 14:48:30
#103 Nicolas (nicosPavlov) 1096 (257791) 2016-10-02 09:25:20
#104 neko (neko) 1095 (7679) 2016-11-19 13:44:47
#105 ender (endered) 1095 (5478) 2016-11-19 14:44:12
#106 Simon Jakob (simon.jakob) 1095 (18714) 2016-11-21 11:23:44
#107 Marcel (bene1512) 1094 (20896) 2017-01-03 17:07:06
#108 digiter (digiter1) 1094 (2187) 2017-02-22 06:03:39
#109 Tristan1473 (Tristan1473) 1094 (20432) 2017-02-22 10:00:30
#110 Hans Joachim Girulat (joregi) 1094 (36278) 2017-03-02 18:15:09
#111 Venkatesh Ramanujam Rangarajan (venki1092) 1094 (1094) 2017-03-14 20:47:58
#112 chris (c2) 1094 (51973) 2017-03-17 16:21:57
#113 Mir Dim (mir0soft) 1094 (79760) 2017-03-18 07:45:42
#114 Kasia (kasia-tutej) 1093 (53366) 2017-05-30 14:25:39
#115 john doe (misio) 1093 (7371) 2017-05-30 18:25:03
#116 Mihail (plexor) 1093 (16827) 2017-06-08 22:26:14
#117 D3d4lu5 (D3d4lu5) 1093 (363488) 2017-06-16 02:23:24
#118 George Lasry (george4096) 1092 (422251) 2017-07-29 23:16:34
#119 Akonia (Akonia12) 1092 (12153) 2017-07-31 17:19:37
#120 Akhil (simply.akhil777@gmail.com) 1091 (1091) 2017-10-10 05:01:08
#121 Steve Vaillancourt (stvai2) 1089 (15041) 2018-05-13 15:59:32
#122 Eric (ExAstris) 1089 (56037) 2018-05-25 03:13:32
#123 Georgius Stolte (HazmatsFear) 1089 (16071) 2018-06-08 18:13:40
#124 Christophe BORELLY (cb34) 1089 (12358) 2018-06-15 09:18:25
#125 E41514006 (E41514006) 1089 (4957) 2018-07-10 13:57:39
#126 Julian (Lemmynator) 1089 (20822) 2018-08-02 14:51:42
#127 Random Dude (rnd) 1089 (103645) 2018-08-19 14:21:21
#128 Muthaiah Ramanathan (muthuram93) 1088 (1088) 2018-10-11 05:34:23
#129 Manfred Paul (manf) 1088 (14774) 2018-11-14 17:31:08
#130 Michael (FoM) 1087 (57794) 2019-01-29 02:46:37
#131 eschar (eschar) 1087 (3264) 2019-01-31 14:29:54
#132 LoneWolf219 (LoneWolf219) 1087 (12795) 2019-03-10 19:45:49
#133 Will (nitrow) 1087 (6807) 2019-03-21 17:22:29
#134 Klaus (kumaus) 1087 (22017) 2019-04-04 15:02:21
#135 E41614018 (E41614018) 1087 (6243) 2019-05-03 17:13:23
#136 Marco Cinelli (Snap) 1086 (37769) 2019-05-14 18:45:27
#137 Mike (RogueRamblers) 1086 (81614) 2019-06-10 23:06:00
#138 Eugene (lim0n) 1086 (195334) 2019-07-10 11:45:45
#139 yult (yult) 1086 (12185) 2019-07-14 14:35:05
#140 Stephan (Stephje1978) 1086 (27064) 2019-08-23 22:06:24
#141 Catalin (catalin.dum) 1085 (1085) 2019-12-05 12:40:48
#142 Lane Williams (planetlane) 1085 (34637) 2019-12-27 17:57:48
#143 Magata (fmagata) 1085 (11780) 2020-01-05 16:41:15
#144 Gerd Wilts (gerdw) 1084 (50634) 2020-02-16 22:01:14
#145 madness (madness) 1084 (71592) 2020-02-20 00:41:19
#146 Antares (Antares) 1084 (32880) 2020-02-22 13:06:37
#147 Artur Puzio (cytadela8) 1084 (14801) 2020-02-24 14:40:56
#148 DS (DS8279) 1083 (34191) 2020-07-22 13:01:11
#149 Polaris (Polaris) 1083 (32963) 2020-09-01 22:12:27
#150 wangcheng (wangcheng) 1083 (1083) 2020-10-10 04:29:07
#151 Costantino (Majakovskij) 1083 (9774) 2020-10-11 11:31:59
#152 E41714032 (E41714032) 1083 (3450) 2020-10-29 09:56:27
#153 E41714007 (E41714007) 1083 (7504) 2020-10-31 16:10:25
#154 Jeason Tom (E41714045) 1083 (5235) 2020-10-31 16:18:21
#155 amir (V5November) 1082 (13344) 2021-01-24 16:52:39
#156 E41614001 (E41614001) 1082 (6130) 2021-02-01 13:30:23
#157 Jean-Francois (Muskrat) 1082 (19013) 2021-02-03 19:00:40
#158 Kamil (Lim4K) 1082 (7681) 2021-02-20 11:32:32
#159 m (umsyt) 1082 (9300) 2021-03-12 03:14:44
#160 meta1900 (meta1900) 1081 (4325) 2021-06-24 09:05:07
#161 alice (bestwishes) 1081 (10270) 2021-06-24 09:29:32
#162 E01814167 (E01814167) 1081 (8578) 2021-06-24 09:41:14
#163 E01814058 (E01814058) 1081 (11351) 2021-06-24 09:55:31
#164 smf12 (smf12) 1081 (4836) 2021-06-24 09:57:01
#165 E01814263 (E01814263) 1081 (5814) 2021-06-24 09:57:09
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   +++    [11:38 - 16.09.2021] silva solved the Level II challenge 'Keyshanc — Part 2'    +++    [05:06 - 16.09.2021] gilotyna solved the Level I challenge 'Number Sequence — Part 2'    +++    [04:58 - 16.09.2021] gilotyna solved the Level I challenge 'Original Caesar Cipher'    +++    [04:49 - 16.09.2021] gilotyna solved the Level I challenge 'Number Sequence'    +++    [23:56 - 15.09.2021] theghost2 solved the Level I challenge 'Original Caesar Cipher'    +++