MysteryTwister C3
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Level I Challenges (88)

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

Find the right route — Part 3

[veselovsky-19] - 13 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 three grids where the first grid gives you hints to reveal the plaintext of the second grid. Are you able to find the right route?
Read more...

Click here to get to the corresponding forum topic to share your opinion.
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: 2020-12-26 18:24
Maximum number of attempts for this challenge: 15

All successful users of this challenge

Rank User (#13) Achieved points (Global score) y-m-d - h:m:s

Dominik M. (Sgt. Pepper) 200 (127349) 2020-12-26 19:53:41
Eugene (lim0n) 200 (172873) 2020-12-27 13:56:01
Armin Krauss (argh) 200 (206664) 2020-12-27 15:51:21
Kurt Gebauer (Yokozuna) 200 (276906) 2020-12-27 17:23:35
#5 S (Zyphe) 150 (13361) 2020-12-28 08:37:37
#6 Ines (bufo01) 150 (5676) 2020-12-28 15:15:43
#7 Michael (FoM) 125 (53292) 2020-12-30 02:32:24
#8 sarah b (silva) 108 (47744) 2021-01-08 15:35:18
#9 George (Theofanidis) 107 (119711) 2021-01-08 19:40:10
#10 Em Doulgerakis (Greko) 107 (145241) 2021-01-09 13:39:50
#11 D3d4lu5 (D3d4lu5) 103 (363488) 2021-01-24 21:22:26
#12 madness (madness) 102 (53275) 2021-02-18 02:35:33
#13 Hughes (hughes) 102 (8430) 2021-02-19 03:55:56
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Find the right route — Part 2

[veselovsky-18] - 12 users already solved this challenge.
 
 
 

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 four grids where the first grid gives you hints to reveal the plaintext of the second grid. Are you able to find the right route?
Read more...

Click here to get to the corresponding forum topic to share your opinion.
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: 2020-12-19 16:53
Maximum number of attempts for this challenge: 15

All successful users of this challenge

Rank User (#12) Achieved points (Global score) y-m-d - h:m:s

S (Zyphe) 200 (13361) 2020-12-19 20:13:14
Dominik M. (Sgt. Pepper) 200 (127349) 2020-12-19 20:13:43
Eugene (lim0n) 200 (172873) 2020-12-20 12:44:21
Em Doulgerakis (Greko) 111 (145241) 2020-12-27 19:25:00
#5 Ines (bufo01) 111 (5676) 2020-12-28 12:33:39
#6 Michael (FoM) 110 (53292) 2020-12-29 01:11:57
#7 sarah b (silva) 107 (47744) 2021-01-03 10:33:24
#8 George (Theofanidis) 106 (119711) 2021-01-03 20:42:31
#9 D3d4lu5 (D3d4lu5) 103 (363488) 2021-01-24 21:21:28
#10 Daniel Richter (TheHiveMind) 102 (11450) 2021-02-07 22:01:03
#11 madness (madness) 102 (53275) 2021-02-17 07:00:07
#12 Hughes (hughes) 102 (8430) 2021-02-18 01:34:05
You must be logged in to solve the challenge


Find the right route — Part 1

[veselovsky-17] - 33 users already solved this challenge, 2 are 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?
Read more...

Click here to get to the corresponding forum topic to share your opinion.
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: 2020-10-27 17:01
Maximum number of attempts for this challenge: 15

All successful users of this challenge

Rank User (#33) Achieved points (Global score) y-m-d - h:m:s

Dominik M. (Sgt. Pepper) 200 (127349) 2020-10-27 17:54:44
Armin Krauss (argh) 200 (206664) 2020-10-27 19:01:03
Kurt Gebauer (Yokozuna) 200 (276906) 2020-10-27 20:13:26
Snake (snk) 200 (187650) 2020-10-27 20:36:50
#5 H. Lautenschlager (helmi) 200 (56270) 2020-10-27 22:42:13
#6 Derek Hatton (alfred_noble) 200 (33998) 2020-10-28 01:45:26
#7 S (Zyphe) 200 (13361) 2020-10-28 08:56:33
#8 Ines (bufo01) 200 (5676) 2020-10-28 09:04:58
#9 Eugene (lim0n) 200 (172873) 2020-10-28 09:35:57
#10 sarah b (silva) 200 (47744) 2020-10-28 10:18:25
#11 Mike (RogueRamblers) 200 (67988) 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 Alain Collignon (vexilla72) 113 (123466) 2020-11-03 20:09:33
#16 Steve (Samacian) 111 (23915) 2020-11-05 05:57:38
#17 Aliazer (Aliazer) 107 (12521) 2020-11-11 14:07:07
#18 Joerg G. (SnifferMaster) 105 (18376) 2020-11-16 18:04:14
#19 George (Theofanidis) 104 (119711) 2020-11-21 22:35:33
#20 Michael (FoM) 103 (53292) 2020-12-05 00:25:56
#21 Fabian (XP-72) 102 (4009) 2020-12-11 01:29:22
#22 Random Dude (rnd) 102 (98856) 2020-12-16 19:30:34
#23 Anabel Roschmann (Beltiona Mousa) 102 (4919) 2020-12-17 04:48:08
#24 Em Doulgerakis (Greko) 102 (145241) 2020-12-27 12:57:19
#25 D3d4lu5 (D3d4lu5) 102 (363488) 2020-12-29 19:40:47
#26 Arno (TryC3) 101 (6847) 2021-01-03 16:35:13
#27 Jean-Francois (Muskrat) 101 (19013) 2021-01-04 21:01:14
#28 Karl Schutt (günter) 101 (44374) 2021-02-07 15:03:00
#29 Daniel Richter (TheHiveMind) 101 (11450) 2021-02-07 21:27:16
#30 madness (madness) 101 (53275) 2021-02-17 06:13:02
#31 Hughes (hughes) 101 (8430) 2021-02-17 17:52:43
#32 Somebody (Achidutzu) 101 (9482) 2021-02-18 14:15:26
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Lightweight Introduction to Lattices — Part 2

[dimitrov-esslinger-02] - 22 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?
Read more...

Click here to get to the corresponding forum topic to share your opinion.
Click here to download the challenge.

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 (#22) Achieved points (Global score) y-m-d - h:m:s

Kurt Gebauer (Yokozuna) 200 (276906) 2020-06-24 01:42:06
S (Zyphe) 200 (13361) 2020-06-24 09:52:41
Dominik M. (Sgt. Pepper) 200 (127349) 2020-06-24 09:55:36
Armin Krauss (argh) 200 (206664) 2020-06-24 10:00:32
#5 Snake (snk) 200 (187650) 2020-06-24 10:36:03
#6 H. Lautenschlager (helmi) 200 (56270) 2020-06-24 11:27:18
#7 Eugene (lim0n) 200 (172873) 2020-06-24 11:44:34
#8 Alain Collignon (vexilla72) 200 (123466) 2020-06-24 12:58:41
#9 Bernd (tryone144) 150 (7865) 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 (47744) 2020-08-28 09:38:17
#16 George (Theofanidis) 101 (119711) 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
#19 Arno (TryC3) 101 (6847) 2020-12-16 18:50:05
#20 Michael (FoM) 101 (53292) 2020-12-18 23:24:27
#21 D3d4lu5 (D3d4lu5) 101 (363488) 2020-12-29 19:43:55
#22 Gerd Wilts (gerdw) 100 (49451) 2021-02-07 22:23:58
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Lightweight Introduction to Lattices — Part 1

[dimitrov-esslinger-01] - 29 users already solved this challenge, 6 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.
Read more...

Click here to get to the corresponding forum topic to share your opinion.
Click here to download the challenge.

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 (#29) Achieved points (Global score) y-m-d - h:m:s

Dominik M. (Sgt. Pepper) 200 (127349) 2020-05-16 16:52:00
Snake (snk) 200 (187650) 2020-05-16 20:07:33
Armin Krauss (argh) 200 (206664) 2020-05-16 20:32:03
Eugene (lim0n) 200 (172873) 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 (67988) 2020-05-18 22:27:35
#8 sarah b (silva) 120 (47744) 2020-05-20 20:02:05
#9 George (Theofanidis) 117 (119711) 2020-05-21 22:11:07
#10 Paula Olsen (paol) 117 (942) 2020-05-22 11:18:41
#11 Alain Collignon (vexilla72) 108 (123466) 2020-05-28 13:30:13
#12 Kurt Gebauer (Yokozuna) 108 (276906) 2020-05-28 13:59:54
#13 H. Lautenschlager (helmi) 108 (56270) 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 (7865) 2020-06-25 17:44:57
#17 Em Doulgerakis (Greko) 102 (145241) 2020-07-02 23:25:26
#18 Derek Hatton (alfred_noble) 101 (33998) 2020-07-29 18:43:10
#19 Random Dude (rnd) 101 (98856) 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
#24 Michael (FoM) 101 (53292) 2020-12-02 00:24:15
#25 Arno (TryC3) 100 (6847) 2020-12-16 17:53:15
#26 D3d4lu5 (D3d4lu5) 100 (363488) 2020-12-29 19:42:36
#27 Gerd Wilts (gerdw) 100 (49451) 2021-02-07 20:07:50
#28 Daniel Richter (TheHiveMind) 100 (11450) 2021-02-07 23:35:50
#29 Hughes (hughes) 100 (8430) 2021-02-19 15:23:58
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   +++    [09:22 - 25.02.2021] Wokini solved the Level II challenge 'Not-so-Secret Message from Malawi — Part II (ECC)'    +++    [05:06 - 25.02.2021] kimtewksbury solved the Level I challenge 'Number Sequence — Part 2'    +++    [03:01 - 25.02.2021] madness solved the Level II challenge 'Spanish Strip Cipher — Part 1'    +++    [01:03 - 25.02.2021] kimtewksbury solved the Level I challenge 'Original Caesar Cipher'    +++    [18:31 - 24.02.2021] weerapat15 solved the Level I challenge 'Number Sequence — Part 2'    +++