MysteryTwister C3
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Level I Challenges (86)

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

Find the right route — Part 1

[veselovsky-17] - 20 users already solved this challenge, 1 is working on it.
 
 
 

This series deals with a grid — a basic tool cryptographers use to separate sequences of data into columns and rows. In this challenge you are given two grids where the first grid gives you hints to reveal the plaintext of the second grid. Are you able to find the right route?
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Author: This email address is being protected from spambots. You need JavaScript enabled to view it.
Published on: 2020-10-27 17:01
Maximum number of attempts for this challenge: 15

All successful users of this challenge

Rank User (#20) Achieved points (Global score) y-m-d - h:m:s

Dominik M. (Sgt. Pepper) 200 (126949) 2020-10-27 17:54:44
Armin Krauss (argh) 200 (206464) 2020-10-27 19:01:03
Kurt Gebauer (Yokozuna) 200 (272706) 2020-10-27 20:13:26
Snake (snk) 200 (187650) 2020-10-27 20:36:50
#5 H. Lautenschlager (helmi) 200 (53493) 2020-10-27 22:42:13
#6 Derek Hatton (alfred_noble) 200 (33998) 2020-10-28 01:45:26
#7 S (Zyphe) 200 (13011) 2020-10-28 08:56:33
#8 Ines (bufo01) 200 (5115) 2020-10-28 09:04:58
#9 Eugene (lim0n) 200 (167387) 2020-10-28 09:35:57
#10 sarah b (silva) 200 (43086) 2020-10-28 10:18:25
#11 Mike (RogueRamblers) 200 (63452) 2020-10-28 16:33:54
#12 Michael Möller (michaelm) 150 (253046) 2020-10-28 19:57:16
#13 Phil Taylor (philthy) 150 (650) 2020-10-29 11:47:09
#14 Lane Williams (planetlane) 125 (30040) 2020-10-30 22:52:59
#15 Ken Brooker (Ken Quixote) 117 (5882) 2020-11-01 18:47:08
#16 Alain Collignon (vexilla72) 113 (122384) 2020-11-03 20:09:33
#17 Steve (Samacian) 111 (23915) 2020-11-05 05:57:38
#18 Aliazer (Aliazer) 107 (12521) 2020-11-11 14:07:07
#19 Joerg G. (SnifferMaster) 105 (18376) 2020-11-16 18:04:14
#20 George (Theofanidis) 104 (119498) 2020-11-21 22:35:33
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Lightweight Introduction to Lattices — Part 2

[dimitrov-esslinger-02] - 18 users already solved this challenge, 2 are working on it.
 
 
 

Lattice-based cryptography schemes are relevant for current post-quantum cryptography research. This challenge series accompanies the basic theory from a chapter of the CrypTool Book called "LIGHTWEIGHT INTRODUCTION TO LATTICES". This part of the challenge series uses vectors to hide a famous quote in modern art. Can you reveal it?
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Authors: This email address is being protected from spambots. You need JavaScript enabled to view it.,This email address is being protected from spambots. You need JavaScript enabled to view it.
Published on: 2020-06-23 23:05
Maximum number of attempts for this challenge: 15

All successful users of this challenge

Rank User (#18) Achieved points (Global score) y-m-d - h:m:s

Kurt Gebauer (Yokozuna) 200 (272706) 2020-06-24 01:42:06
S (Zyphe) 200 (13011) 2020-06-24 09:52:41
Dominik M. (Sgt. Pepper) 200 (126949) 2020-06-24 09:55:36
Armin Krauss (argh) 200 (206464) 2020-06-24 10:00:32
#5 Snake (snk) 200 (187650) 2020-06-24 10:36:03
#6 H. Lautenschlager (helmi) 200 (53493) 2020-06-24 11:27:18
#7 Eugene (lim0n) 200 (167387) 2020-06-24 11:44:34
#8 Alain Collignon (vexilla72) 200 (122384) 2020-06-24 12:58:41
#9 Bernd (tryone144) 150 (6780) 2020-06-25 18:58:43
#10 Viktor (Veselovský) 120 (169244) 2020-06-28 11:13:28
#11 Nofre Tete (noffi) 104 (26357) 2020-07-20 21:59:39
#12 Derek Hatton (alfred_noble) 103 (33998) 2020-07-31 22:25:54
#13 Tristan1473 (Tristan1473) 102 (20432) 2020-08-22 12:31:09
#14 Polaris (Polaris) 102 (32963) 2020-08-26 01:24:11
#15 sarah b (silva) 102 (43086) 2020-08-28 09:38:17
#16 George (Theofanidis) 101 (119498) 2020-08-29 21:12:04
#17 Klaus (kumaus) 101 (22017) 2020-10-17 18:47:10
#18 Flo (sealth) 101 (25734) 2020-11-15 20:35:00
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Lightweight Introduction to Lattices — Part 1

[dimitrov-esslinger-01] - 23 users already solved this challenge, 3 are working on it.
 
 
 

Lattice-based cryptography schemes are relevant for current post-quantum cryptography research. This challenge series accompanies the basic theory from a chapter of the CrypTool Book called "LIGHTWEIGHT INTRODUCTION TO LATTICES". In this part of the challenge series we introduce systems of linear equations to find a hidden message in a picture.
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Authors: This email address is being protected from spambots. You need JavaScript enabled to view it.,This email address is being protected from spambots. You need JavaScript enabled to view it.
Published on: 2020-05-16 16:03
Maximum number of attempts for this challenge: 15

All successful users of this challenge

Rank User (#23) Achieved points (Global score) y-m-d - h:m:s

Dominik M. (Sgt. Pepper) 200 (126949) 2020-05-16 16:52:00
Snake (snk) 200 (187650) 2020-05-16 20:07:33
Armin Krauss (argh) 200 (206464) 2020-05-16 20:32:03
Eugene (lim0n) 200 (167387) 2020-05-17 12:10:48
#5 Viktor (Veselovský) 200 (169244) 2020-05-17 14:15:42
#6 Nofre Tete (noffi) 150 (26357) 2020-05-18 00:57:46
#7 Mike (RogueRamblers) 133 (63452) 2020-05-18 22:27:35
#8 sarah b (silva) 120 (43086) 2020-05-20 20:02:05
#9 George (Theofanidis) 117 (119498) 2020-05-21 22:11:07
#10 Paula Olsen (paol) 117 (942) 2020-05-22 11:18:41
#11 Alain Collignon (vexilla72) 108 (122384) 2020-05-28 13:30:13
#12 Kurt Gebauer (Yokozuna) 108 (272706) 2020-05-28 13:59:54
#13 H. Lautenschlager (helmi) 108 (53493) 2020-05-28 14:20:02
#14 Benjamin Bartl (arenas) 105 (6347) 2020-06-07 13:24:39
#15 Stephan (Stephje1978) 103 (27064) 2020-06-20 01:42:13
#16 Bernd (tryone144) 102 (6780) 2020-06-25 17:44:57
#17 Em Doulgerakis (Greko) 102 (133365) 2020-07-02 23:25:26
#18 Derek Hatton (alfred_noble) 101 (33998) 2020-07-29 18:43:10
#19 Random Dude (rnd) 101 (98754) 2020-07-30 22:27:43
#20 Tristan1473 (Tristan1473) 101 (20432) 2020-08-22 08:46:32
#21 Polaris (Polaris) 101 (32963) 2020-08-24 22:54:36
#22 Klaus (kumaus) 101 (22017) 2020-10-17 18:03:41
#23 Flo (sealth) 101 (25734) 2020-11-15 19:48:12
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Polyhomophonic Substitution — Part 1

[madness-01] - 25 users already solved this challenge, 1 is working on it.
 
 
 

This part of the challenge series is a warm-up with homophonic substitution. In a homophonic substitution cipher, there are more than one ciphertext symbol for each plaintext symbol. The key is a mapping.
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Author: This email address is being protected from spambots. You need JavaScript enabled to view it.
Published on: 2020-03-22 01:57
Maximum number of attempts for this challenge: 15

All successful users of this challenge

Rank User (#25) Achieved points (Global score) y-m-d - h:m:s

Viktor (Veselovský) 200 (169244) 2020-03-22 08:47:14
Eugene (lim0n) 200 (167387) 2020-03-22 10:06:44
Snake (snk) 200 (187650) 2020-03-22 10:09:36
Dominik M. (Sgt. Pepper) 200 (126949) 2020-03-22 12:48:30
#5 Kurt Gebauer (Yokozuna) 200 (272706) 2020-03-22 16:33:04
#6 Alain Collignon (vexilla72) 200 (122384) 2020-03-22 19:51:39
#7 Armin Krauss (argh) 200 (206464) 2020-03-22 20:28:19
#8 Michael Möller (michaelm) 200 (253046) 2020-03-22 20:48:55
#9 sarah b (silva) 150 (43086) 2020-03-23 15:05:33
#10 S (Zyphe) 150 (13011) 2020-03-23 17:35:58
#11 J-L Morel (Rossignol) 117 (37723) 2020-03-27 10:42:03
#12 Joerg G. (SnifferMaster) 117 (18376) 2020-03-27 14:06:09
#13 Thomas (Thomas4897) 113 (35941) 2020-03-29 17:27:02
#14 H. Lautenschlager (helmi) 110 (53493) 2020-03-31 13:37:04
#15 George (Theofanidis) 107 (119498) 2020-04-05 16:16:54
#16 Random Dude (rnd) 103 (98754) 2020-04-23 19:15:06
#17 D3d4lu5 (D3d4lu5) 102 (343788) 2020-05-06 18:13:51
#18 Mike (RogueRamblers) 102 (63452) 2020-05-14 01:28:22
#19 Norbert Biermann (Norbert) 102 (47687) 2020-05-24 18:25:37
#20 Em Doulgerakis (Greko) 101 (133365) 2020-07-04 13:03:54
#21 Nicolas (nicosPavlov) 101 (257791) 2020-09-06 10:24:26
#22 Polaris (Polaris) 101 (32963) 2020-09-21 00:29:57
#23 Klaus (kumaus) 100 (22017) 2020-10-16 19:24:43
#24 Lane Williams (planetlane) 100 (30040) 2020-10-31 22:57:15
#25 Derek Hatton (alfred_noble) 100 (33998) 2020-11-02 00:39:10
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Cryptanalysis Hacking Puzzles — Part 2

[martins-02] - 127 users already solved this challenge, 32 are working on it.
 
 
 

Solving this challenge is not as hard as finding the needle in a haystack, isn't it?
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Author: This email address is being protected from spambots. You need JavaScript enabled to view it.
Published on: 2019-01-09 14:10
Maximum number of attempts for this challenge: 15

All successful users of this challenge

Rank User (#127) Achieved points (Global score) y-m-d - h:m:s

Armin Krauss (argh) 200 (206464) 2019-01-09 15:41:27
Dominik M. (Sgt. Pepper) 200 (126949) 2019-01-09 16:25:16
sarah b (silva) 200 (43086) 2019-01-09 20:37:52
Alain Collignon (vexilla72) 200 (122384) 2019-01-10 08:00:54
#5 Random Dude (rnd) 200 (98754) 2019-01-10 13:53:12
#6 D3d4lu5 (D3d4lu5) 150 (343788) 2019-01-10 22:13:00
#7 S (Zyphe) 133 (13011) 2019-01-11 17:15:04
#8 George (Theofanidis) 133 (119498) 2019-01-11 18:10:41
#9 Michael Möller (michaelm) 125 (253046) 2019-01-12 22:07:19
#10 0e85dc6eaf (0e85dc6eaf) 125 (125) 2019-01-13 13:05:43
#11 j.h. (haegarq) 114 (15352) 2019-01-16 06:17:43
#12 E.T (Ertheb) 107 (81809) 2019-01-22 21:08:13
#13 Lane Williams (planetlane) 105 (30040) 2019-01-31 03:52:34
#14 Klein (rijman) 104 (417) 2019-02-04 19:38:43
#15 Oliver Spiess (AWK-Spiess) 103 (503) 2019-02-10 23:03:31
#16 Pierre Robier (tripleedged) 103 (5916) 2019-02-16 16:59:17
#17 yachoor (yachoor) 103 (103) 2019-02-18 12:09:49
#18 Oliver H (AlfheriH) 102 (804) 2019-02-23 13:20:02
#19 Luigy (Luigy) 102 (402) 2019-03-01 01:12:17
#20 Sergey (vkaser) 102 (902) 2019-03-05 14:17:35
#21 Ulrich Dorobeck (Papageno) 102 (3927) 2019-03-06 16:31:58
#22 Rainer Zufall (kiekuk) 102 (56786) 2019-03-07 09:54:57
#23 Viktor (Veselovský) 102 (169244) 2019-03-10 11:36:16
#24 Snake (snk) 102 (187650) 2019-03-10 13:49:10
#25 Somebody (Achidutzu) 102 (5527) 2019-03-11 15:41:55
#26 Michael (FoM) 102 (38953) 2019-03-14 15:40:07
#27 Thiago Araujo Pereira (thiagoap) 101 (701) 2019-03-21 14:22:15
#28 Joerg G. (SnifferMaster) 101 (18376) 2019-03-22 14:48:50
#29 Jennifer White (Dusty) 101 (501) 2019-03-24 20:38:43
#30 Sebastian Slupina (Grandwizard) 101 (10866) 2019-03-31 23:42:04
#31 Christian (Zettorino) 101 (502) 2019-04-04 10:17:30
#32 Kame Kaze (kamekazeman) 101 (301) 2019-04-17 23:43:59
#33 E41614048 (E41614048) 101 (4063) 2019-04-26 12:04:23
#34 Hughes (hughes) 101 (7925) 2019-04-29 10:49:10
#35 E41614001 (E41614001) 101 (4948) 2019-05-01 17:57:55
#36 E41614018 (E41614018) 101 (6243) 2019-05-02 14:34:13
#37 E41614031 (E41614031) 101 (7526) 2019-05-03 14:15:51
#38 E41614038 (SurgeWong) 101 (1989) 2019-05-04 09:24:17
#39 Pavel Kessler (pavel) 101 (5396) 2019-05-04 23:15:14
#40 Maggie K (Maggiek) 101 (101) 2019-05-06 20:40:00
#41 hi (hellothere) 101 (101) 2019-05-12 14:23:07
#42 Norbert Biermann (Norbert) 101 (47687) 2019-05-17 16:29:31
#43 Manfred (katatonius) 101 (2394) 2019-05-28 11:38:13
#44 Hans Joachim Girulat (joregi) 101 (36278) 2019-05-28 22:20:25
#45 Eugene (lim0n) 101 (167387) 2019-06-12 13:31:56
#46 Chaosdreamer (Chaosdreamer) 101 (101) 2019-06-15 01:28:20
#47 Jeff (Fountain) 101 (8788) 2019-06-15 22:39:45
#48 Vermillion (Vermillion) 101 (401) 2019-06-15 23:20:52
#49 Malte Spiegelberg (Caunthol) 101 (601) 2019-06-16 16:04:18
#50 Danny Higgins (hamster147) 101 (39638) 2019-06-19 13:17:53
#51 newbie (newbies) 101 (101) 2019-06-28 13:19:26
#52 david (sexton) 101 (2801) 2019-06-30 17:50:28
#53 T (Wagner) 101 (16988) 2019-06-30 20:35:00
#54 gerdw (gerdw) 101 (38113) 2019-07-06 22:08:23
#55 Andi (Penticton) 101 (101) 2019-07-10 16:06:53
#56 Egon Hamburger (Seehase) 101 (3746) 2019-07-15 09:42:14
#57 Bart den Hartog (Bart13) 101 (148936) 2019-07-16 00:48:18
#58 kokn3t (kokn3t) 101 (101) 2019-07-22 07:02:11
#59 Kurt Gebauer (Yokozuna) 100 (272706) 2019-07-29 22:37:44
#60 M Koch (Mako) 100 (200) 2019-07-31 17:48:37
#61 J-L Morel (Rossignol) 100 (37723) 2019-08-10 17:49:09
#62 Stephan (Stephje1978) 100 (27064) 2019-08-11 19:22:23
#63 H. Lautenschlager (helmi) 100 (53493) 2019-08-15 23:15:04
#64 Denilson (denilson) 100 (900) 2019-08-23 02:24:37
#65 Alexander Berezhnoy (bereal) 100 (200) 2019-08-24 10:49:40
#66 loseroido (loseroido) 100 (200) 2019-08-28 12:15:45
#67 Mike (RogueRamblers) 100 (63452) 2019-08-29 00:43:08
#68 João Souza (jahjoao) 100 (300) 2019-09-05 19:25:21
#69 Marco (Pacius95) 100 (100) 2019-09-09 18:18:03
#70 zxcnxc (zxcnxc) 100 (100) 2019-09-10 17:43:23
#71 Daniel Walder (ibex) 100 (14672) 2019-09-20 22:47:08
#72 Julian (Lemmynator) 100 (20822) 2019-10-10 11:20:01
#73 Em Doulgerakis (Greko) 100 (133365) 2019-10-19 15:54:34
#74 pcback (langkhach11112) 100 (4860) 2019-10-25 04:45:05
#75 Aris (ArisCrypto) 100 (400) 2019-10-25 16:59:41
#76 knittin (girl) 100 (100) 2019-11-03 07:08:08
#77 ROHIT (blacksnow123) 100 (100) 2019-11-08 13:06:51
#78 POORNAPRAGNA (fiery_wizard) 100 (100) 2019-11-08 13:13:13
#79 Timm Knape (itmm) 100 (5847) 2019-11-10 18:48:57
#80 Hans Peter (hanspeter) 100 (52356) 2019-11-17 14:47:27
#81 Terence (tec) 100 (8237) 2019-11-26 11:58:57
#82 Karl Schutt (günter) 100 (44273) 2019-12-20 15:51:55
#83 Ayushi Panth (Butterfly) 100 (100) 2019-12-30 12:44:33
#84 CHRIS (TWISM) 100 (500) 2020-01-03 21:45:24
#85 Pastor (Pastor) 100 (100) 2020-01-05 01:11:16
#86 Naomi (alittlebitbehind) 100 (100) 2020-01-18 18:28:21
#87 Jasmin (Miles) 100 (8987) 2020-01-19 23:29:19
#88 Dave (foldingChair) 100 (2085) 2020-01-29 12:37:39
#89 Xaav (xaav) 100 (1100) 2020-02-06 17:02:15
#90 clyto (clytorock) 100 (3595) 2020-02-08 01:00:09
#91 Dusan (xxdradus) 100 (40436) 2020-02-14 11:06:51
#92 Helium3 (He3) 100 (100) 2020-02-19 16:33:33
#93 madness (madness) 100 (50496) 2020-02-24 08:05:41
#94 Mir Dim (mir0soft) 100 (79760) 2020-02-29 10:58:16
#95 Kim (GlobalHeJiminy) 100 (300) 2020-03-05 22:04:03
#96 Thomas (Thomas4897) 100 (35941) 2020-03-07 07:54:08
#97 Kaspar (f.kaspar) 100 (200) 2020-03-09 14:08:00
#98 mglarragan (mglarragan) 100 (3474) 2020-03-17 18:45:27
#99 Anabel Roschmann (Beltiona Mousa) 100 (4217) 2020-03-18 04:27:11
#100 Pascal Cotret (Pa0x73cal) 100 (100) 2020-03-21 11:55:44
#101 cworstell (ace2) 100 (6270) 2020-03-21 23:37:16
#102 Gergely Simon (george314) 100 (17850) 2020-05-01 23:50:16
#103 Martin (Ehmpunkt) 100 (1100) 2020-06-06 14:20:04
#104 Will Bonasera (Vermentis) 100 (4789) 2020-06-19 20:41:26
#105 Georgius Stolte (HazmatsFear) 100 (16071) 2020-07-11 09:45:46
#106 DS (DS8279) 100 (28511) 2020-07-22 15:45:57
#107 Nofre Tete (noffi) 100 (26357) 2020-08-02 10:04:04
#108 Ryan (RyanCTF) 100 (100) 2020-08-07 17:54:36
#109 Sanfo David Agyo (Holmes555) 100 (700) 2020-08-07 17:55:43
#110 Kevin Shepherd (kshepherd) 100 (2391) 2020-08-25 12:31:06
#111 David Shepherd (dshepherd) 100 (2189) 2020-08-25 12:32:50
#112 Leonhard (leonharx) 100 (2972) 2020-09-10 18:03:10
#113 Bernd (tryone144) 100 (6780) 2020-09-11 22:26:01
#114 E41714060 (E41714060) 100 (3450) 2020-09-16 05:03:55
#115 E41714028 (E41714028) 100 (6018) 2020-09-16 05:09:07
#116 Polaris (Polaris) 100 (32963) 2020-09-19 14:53:25
#117 Ken Brooker (Ken Quixote) 100 (5882) 2020-10-12 18:37:28
#118 Klaus (kumaus) 100 (22017) 2020-10-16 22:32:52
#119 Ashish Agarwal (CRLannister) 100 (100) 2020-10-27 06:30:44
#120 E41714032 (E41714032) 100 (3450) 2020-10-29 06:51:35
#121 Ines (bufo01) 100 (5115) 2020-10-30 09:42:21
#122 Enigmatic (Enigmatic) 100 (7222) 2020-10-31 00:42:24
#123 Jeason Tom (E41714045) 100 (5235) 2020-10-31 14:40:57
#124 E41714007 (E41714007) 100 (7504) 2020-10-31 15:10:15
#125 mystery_to3 (mystery_to3) 100 (3350) 2020-11-01 09:55:38
#126 E41714008 (E41714008..) 100 (2367) 2020-11-03 12:55:46
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powered by the CrypTool project  CrypTool

 

   +++    [21:48 - 24.11.2020] tryone144 solved the Level I challenge 'Modular Sequences'    +++    [20:01 - 24.11.2020] tryone144 solved the Level I challenge 'Factorization Cipher — Part 1'    +++    [19:13 - 24.11.2020] tryone144 solved the Level I challenge 'One-Time Pad with Flaws'    +++    [18:19 - 24.11.2020] tryone144 solved the Level I challenge 'Number Sequence — Part 5'    +++    [18:03 - 24.11.2020] tryone144 solved the Level I challenge 'Modified Caesar Cipher'    +++