MysteryTwister C3
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Level II Challenges (95)

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

Brute-Force-Attack on Triple-DES with Reduced Key Space

[shoellhammer-01] - 120 users already solved this challenge, 2 are working on it.
 
 
 

In present-days knowledge Triple-DES is secure if a really random key is used. If the key is not random and a part of the key may be guessed, it is possible to get knowledge of the rest of the key with a feasible bruteforce attack.
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Published on: 2010-10-14 13:30
Maximum number of attempts for this challenge: 5

All successful users of this challenge

Rank User (#120) Achieved points (Global score) y-m-d - h:m:s

v n (focus) 2000 (3510) 2010-10-15 03:15:10
kyprizel (kyprizel) 1725 (20795) 2010-10-16 20:24:47
Nabb (Nabb) 1660 (13803) 2010-10-18 07:48:43
Benjamin Jemlich (pcgod) 1613 (1858) 2010-10-18 15:06:44
#5 Mathias Herrmann (mazze) 1613 (3302) 2010-10-19 11:35:23
#6 Simon Jakob (simon.jakob) 1613 (18714) 2010-10-19 13:28:52
#7 Roadrunner (rr) 1576 (12702) 2010-10-19 18:10:07
#8 Thomas Schmucker (dg) 1576 (26066) 2010-10-19 20:41:42
#9 Ralf Stephan (rwst) 1547 (22735) 2010-10-20 19:07:42
#10 Sebastian Steinmann (teodoc) 1547 (5594) 2010-10-20 20:36:24
#11 un known (unknown) 1547 (5466) 2010-10-20 23:57:52
#12 Nobody (nobody) 1523 (40618) 2010-10-21 20:08:23
#13 Thomas Lambert (lambert) 1502 (38594) 2010-10-23 11:47:19
#14 Dennis Walter (Lotus) 1423 (6977) 2010-10-29 10:18:27
#15 Armin Krauss (argh) 1378 (152721) 2010-11-03 18:07:04
#16 Thomas Gonda (TomG) 1278 (33741) 2010-12-07 22:34:54
#17 mischa (mmisc) 1229 (22426) 2011-01-24 20:28:03
#18 Wolfgang Weisser (wowmyst) 1228 (33108) 2011-01-26 01:32:34
#19 David (aki321) 1222 (27482) 2011-02-04 09:29:05
#20 Jay Bee (jaybee) 1218 (1926) 2011-02-11 18:17:43
#21 Alan Dixon (NickBourbaki) 1212 (7761) 2011-02-22 13:54:58
#22 Fabian Bendun (benfa) 1211 (8697) 2011-02-26 11:35:34
#23 Roland Jansen (roland) 1187 (17392) 2011-05-04 10:29:50
#24 Peter Mustermann (Gummiboot) 1171 (60285) 2011-07-16 18:46:36
#25 Christian Inci (ch100) 1170 (7761) 2011-07-20 04:50:30
#26 J. M. (jomandi) 1170 (113270) 2011-07-20 17:48:49
#27 Robbt Neid (Das Tupel) 1169 (9403) 2011-07-27 02:08:45
#28 asdf1 asdf1 (asdf1) 1169 (1270) 2011-07-27 22:44:48
#29 Seth Kintigh (DarkFibre) 1169 (79471) 2011-07-28 06:26:00
#30 dbuq (dbuq) 1166 (22762) 2011-08-13 17:52:59
#31 Dano (Dano) 1165 (14610) 2011-08-21 00:49:50
#32 Nicolas Golubovic (qll) 1164 (14919) 2011-08-22 15:40:28
#33 h3po (h3po) 1164 (20433) 2011-08-22 15:58:12
#34 Daniel Fretwell (fretty) 1164 (30107) 2011-08-25 00:50:52
#35 Viktor (Veselovský) 1162 (113116) 2011-09-09 18:07:56
#36 Flip (Flip) 1162 (31107) 2011-09-09 21:17:25
#37 The Killer (Killer) 1159 (42393) 2011-10-02 13:59:44
#38 TURINGBOMBE (TBREAKER) 1157 (10616) 2011-10-16 19:50:28
#39 DirkS (Dustman) 1156 (8378) 2011-10-24 14:01:15
#40 Christian Matt (Luy) 1156 (9889) 2011-10-25 00:42:18
#41 Bart den Hartog (Bart13) 1152 (116412) 2011-11-27 21:31:38
#42 Keith Randall (randall77) 1151 (31011) 2011-12-06 23:47:48
#43 Hans Peter (hanspeter) 1145 (48115) 2012-02-16 00:00:30
#44 Luigi Tomelli (archstanton) 1142 (95549) 2012-03-15 13:39:06
#45 Fabian Hemmer (llan) 1142 (7842) 2012-03-24 01:46:01
#46 Jared (everkite) 1141 (1141) 2012-04-05 05:48:36
#47 Kurt Gebauer (Yokozuna) 1140 (120839) 2012-04-13 21:12:40
#48 Michel Van Caneghem (vancan) 1140 (49719) 2012-04-14 08:49:27
#49 Daniel Demmler (dd23) 1139 (8942) 2012-04-29 15:12:16
#50 Dusan (xxdradus) 1137 (40134) 2012-05-28 15:11:21
#51 Daniel Richter (TheHiveMind) 1136 (11147) 2012-06-17 00:07:37
#52 Jens (Norge) 1135 (3579) 2012-07-05 17:33:28
#53 Em Doulgerakis (Greko) 1133 (109970) 2012-07-28 10:36:03
#54 George (Theofanidis) 1133 (88988) 2012-07-29 18:07:28
#55 H. Lautenschlager (helmi) 1133 (18162) 2012-08-01 00:20:59
#56 chris_3stones (3stones) 1133 (34472) 2012-08-03 21:03:35
#57 Christopher Thiele (Deep-Sea) 1132 (2776) 2012-08-14 13:45:05
#58 RPH (derichard) 1130 (27044) 2012-09-18 01:30:59
#59 Stepan (m1sterx) 1129 (19165) 2012-10-10 18:42:17
#60 The Enigma (enigma) 1128 (14336) 2012-11-12 15:46:04
#61 E.T (Ertheb) 1128 (54872) 2012-11-12 19:17:02
#62 Wendell Echaluse (wendell) 1128 (1128) 2012-11-14 06:52:13
#63 zahir mohsen moradi (ariobarzan) 1118 (99757) 2013-07-06 17:07:59
#64 Philipp Hammer-Pohlau (phase2) 1118 (17981) 2013-07-24 10:38:41
#65 Almut (problelmo) 1118 (45992) 2013-07-30 22:42:10
#66 Forrest Gump (Polyphem) 1117 (38763) 2013-08-26 19:21:37
#67 Steve (Samacian) 1116 (23704) 2013-09-09 02:17:03
#68 Hank (hanky) 1116 (22859) 2013-09-26 00:42:03
#69 Gergely Simon (george314) 1116 (16555) 2013-09-28 16:10:52
#70 Alexander (cruachan) 1115 (16051) 2013-10-05 03:44:34
#71 Boris (Kaasu) 1115 (16566) 2013-10-25 15:33:08
#72 Jim Gillogly (Scryer) 1114 (21260) 2013-12-05 00:56:53
#73 george lasry (george4096) 1114 (41247) 2013-12-10 03:47:46
#74 Francisco Moraes (fmoraes) 1114 (90044) 2013-12-10 18:41:40
#75 Nils (NiKo) 1113 (5055) 2013-12-19 14:46:39
#76 Brad (braddrew) 1113 (15878) 2013-12-24 08:33:05
#77 Alain (Integral) 1113 (198642) 2013-12-29 16:44:52
#78 Kim H. S. (tenchijin) 1112 (21386) 2014-01-30 08:34:10
#79 Pavel (haw) 1112 (22728) 2014-02-10 11:08:33
#80 Jacek (sawior) 1111 (3619) 2014-03-14 10:53:44
#81 masam (jimboo) 1111 (18486) 2014-03-29 21:57:34
#82 qaz (wsx) 1111 (1111) 2014-04-03 15:39:54
#83 caesar ([caesar]) 1111 (10738) 2014-04-03 15:40:48
#84 Karl Schutt (günter) 1110 (34469) 2014-04-28 00:30:35
#85 Snake (snk) 1109 (51689) 2014-05-27 08:36:39
#86 Javantea (Javantea) 1108 (38889) 2014-07-23 02:48:58
#87 julius gaius (julius) 1108 (25581) 2014-07-25 09:50:05
#88 Peter (51dc30ddc) 1108 (10916) 2014-07-26 21:35:12
#89 Robert (rm) 1108 (56012) 2014-07-31 23:11:43
#90 Tiloan (Tiloan) 1107 (3840) 2014-08-26 21:19:59
#91 Flo (sealth) 1107 (13472) 2014-09-06 15:15:48
#92 Jan (Keiken) 1106 (2717) 2014-10-10 01:12:37
#93 Julia Bernotat (El Greco ) 1105 (81129) 2014-12-17 19:31:02
#94 Kai Ludwig (TalentRaspel) 1105 (15704) 2015-01-15 18:13:20
#95 HolgerK (HolgerK) 1104 (23648) 2015-01-24 14:19:31
#96 Claude Vaillancourt (Cl3v3r) 1104 (38251) 2015-01-27 01:19:42
#97 S Combes (jerva) 1104 (77932) 2015-02-28 13:40:27
#98 Konstantin Golovan (SoulShaker) 1104 (14091) 2015-03-08 12:29:26
#99 Jie Chen (vmd) 1104 (3336) 2015-03-13 05:30:12
#100 lihao (gelihao609) 1103 (3335) 2015-03-17 23:39:55
#101 Rainer Zufall (kiekuk) 1103 (42198) 2015-04-07 22:18:11
#102 Erik (Erox) 1101 (20365) 2015-08-02 21:54:04
#103 J-L Morel (Rossignol) 1100 (23146) 2015-10-07 15:59:46
#104 Rainer (Rainer74) 1099 (8417) 2015-12-22 19:59:06
#105 Dominik M. (Sgt. Pepper) 1098 (43997) 2016-03-09 15:44:46
#106 Marco Manfredi (mkk9901) 1098 (17686) 2016-03-20 15:06:40
#107 Norbert Biermann (Norbert) 1096 (40024) 2016-08-01 20:50:45
#108 neko (neko) 1095 (7679) 2016-09-24 03:41:10
#109 ender (endered) 1095 (5478) 2016-09-27 03:37:10
#110 Nicolas (nicosPavlov) 1095 (70954) 2016-10-08 06:18:42
#111 Alain Collignon (vexilla72) 1095 (49713) 2016-10-08 13:14:46
#112 Martin (martinbucher) 1095 (22726) 2016-11-13 16:49:33
#113 Andreas Frerichs (Ossili) 1094 (33026) 2017-01-10 16:52:41
#114 Georgius Stolte (HazmatsFear) 1094 (14247) 2017-01-13 20:31:57
#115 Marcel (bene1512) 1094 (20896) 2017-01-15 21:43:20
#116 Tristan1473 (Tristan1473) 1094 (17553) 2017-02-19 09:20:58
#117 Jochen Girulat (pyjoregi) 1094 (1094) 2017-03-06 22:34:23
#118 Hans Joachim Girulat (joregi) 1093 (28462) 2017-03-08 13:59:07
#119 Mir Dim (mir0soft) 1093 (46662) 2017-03-14 19:47:05
#120 chris (c2) 1093 (51973) 2017-03-26 17:48:17
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