MysteryTwister C3
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Level I Challenges (88)

Page 7 of the challenges in Level I, ordered by date posted (the most recent appear first).

Enigma Messages with Repeated Letters — Part 3

[lasry-03] - 73 users already solved this challenge, 3 are working on it.
 
 
 

In this part of this series of Enigma challenges, a plaintext message consisting of two letters which are repeated several times has been encrypted by the Enigma I. What was the setting of the Enigma rotors?
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: 2014-03-05 16:02
Maximum number of attempts for this challenge: 15

All successful users of this challenge

Rank User (#73) Achieved points (Global score) y-m-d - h:m:s

Armin Krauss (argh) 200 (206765) 2014-03-05 17:28:32
J. M. (jomandi) 200 (113270) 2014-03-05 19:28:13
E.T (Ertheb) 200 (81809) 2014-03-05 21:21:28
Viktor (Veselovský) 200 (169244) 2014-03-05 22:02:36
#5 Kurt Gebauer (Yokozuna) 200 (278213) 2014-03-06 00:12:53
#6 Snake (snk) 200 (187650) 2014-03-06 10:31:50
#7 Em Doulgerakis (Greko) 200 (148908) 2014-03-06 11:58:31
#8 H. Lautenschlager (helmi) 150 (56270) 2014-03-06 16:05:29
#9 Michael Möller (michaelm) 150 (253046) 2014-03-06 16:14:31
#10 Bart den Hartog (Bart13) 133 (148936) 2014-03-08 00:26:43
#11 George (Theofanidis) 133 (120805) 2014-03-08 10:06:21
#12 Thomas Lambert (lambert) 133 (38594) 2014-03-08 13:58:52
#13 KW (qwer*) 133 (13963) 2014-03-08 15:11:37
#14 David (aki321) 120 (27482) 2014-03-10 01:46:53
#15 Alain (Integral) 114 (207924) 2014-03-12 12:08:05
#16 Sebastian Slupina (Grandwizard) 114 (10866) 2014-03-12 13:39:26
#17 Luigi Tomelli (archstanton) 111 (113164) 2014-03-13 17:03:19
#18 RPH (derichard) 105 (27044) 2014-03-24 19:11:35
#19 Karl Schutt (günter) 102 (44374) 2014-05-02 17:07:48
#20 TURINGBOMBE (TBREAKER) 101 (10616) 2014-05-16 15:36:35
#21 Michel Van Caneghem (vancan) 101 (49719) 2014-06-14 16:42:46
#22 Francisco Moraes (fmoraes) 101 (90044) 2014-06-21 03:18:54
#23 Dusan (xxdradus) 101 (40436) 2014-06-30 11:22:56
#24 Bernhard Gruber (bgr) 101 (22889) 2014-07-28 21:59:49
#25 Pavel Kessler (pavel) 101 (5496) 2014-07-30 22:09:02
#26 Robert (rm) 101 (56475) 2014-07-31 22:54:35
#27 Markus (Wasser) 101 (702) 2014-08-11 14:08:49
#28 julius gaius (julius) 101 (25581) 2014-08-14 09:09:37
#29 Raul Morales Viquez (Sonnik) 100 (300) 2014-10-28 05:07:35
#30 jej (stationz) 100 (4939) 2014-11-09 09:55:42
#31 Julia Bernotat (El Greco ) 100 (81129) 2014-11-12 17:57:52
#32 S Combes (jerva) 100 (218893) 2015-01-25 20:39:13
#33 Rainer Zufall (kiekuk) 100 (56786) 2015-02-19 23:16:40
#34 Hans Joachim Girulat (joregi) 100 (36278) 2015-04-03 16:20:34
#35 Vlatiha Romanova (Vlatiha) 100 (10323) 2015-04-16 13:10:11
#36 Steve (Samacian) 100 (23915) 2015-05-19 02:54:16
#37 Andreas Frerichs (Ossili) 100 (33266) 2015-05-28 19:13:27
#38 zahir mohsen moradi (ariobarzan) 100 (99757) 2015-06-04 19:46:46
#39 Michael Ammon (Ammonym) 100 (8219) 2015-06-08 20:02:20
#40 Forrest Gump (Polyphem) 100 (38763) 2015-06-10 00:43:06
#41 Peter (TomBombadil) 100 (3417) 2015-09-06 18:52:00
#42 Claude Vaillancourt (Cl3v3r) 100 (42910) 2015-09-13 15:37:19
#43 J-L Morel (Rossignol) 100 (42130) 2015-10-22 11:15:13
#44 Martin (martinbucher) 100 (33626) 2015-12-13 10:15:23
#45 Szabó Zoltán (szabo.z87) 100 (55604) 2016-01-11 15:55:04
#46 Alain Collignon (vexilla72) 100 (123466) 2016-01-12 19:51:18
#47 Nofre Tete (noffi) 100 (26357) 2016-01-23 23:10:35
#48 Ines (bufo01) 100 (5676) 2016-03-01 23:46:17
#49 Marc (rcll0891) 100 (24004) 2016-03-14 21:45:28
#50 Erik (Erox) 100 (26141) 2016-04-17 17:51:25
#51 Norbert Biermann (Norbert) 100 (47687) 2016-08-22 15:19:09
#52 Nicolas (nicosPavlov) 100 (257791) 2016-10-16 15:08:28
#53 zuben c3 (zuben-c3) 100 (27154) 2016-12-03 16:12:27
#54 Javantea (Javantea) 100 (40816) 2016-12-15 23:35:32
#55 Marcel (bene1512) 100 (20896) 2016-12-30 19:54:11
#56 Rene (ion) 100 (5617) 2017-02-02 20:54:44
#57 Dominik M. (Sgt. Pepper) 100 (127349) 2017-03-23 02:12:58
#58 chris (c2) 100 (51973) 2017-03-24 11:56:58
#59 Daniel Walder (ibex) 100 (14672) 2017-05-03 00:57:33
#60 Mir Dim (mir0soft) 100 (79760) 2017-05-07 13:34:05
#61 D3d4lu5 (D3d4lu5) 100 (363488) 2017-06-21 12:35:00
#62 Lane Williams (planetlane) 100 (34527) 2018-01-15 01:21:20
#63 Eric (ExAstris) 100 (27090) 2018-06-07 01:33:05
#64 Random Dude (rnd) 100 (102352) 2018-08-22 00:09:18
#65 sarah b (silva) 100 (47744) 2018-11-17 19:52:11
#66 Michael (FoM) 100 (54376) 2019-01-02 00:06:13
#67 Mike (RogueRamblers) 100 (69070) 2019-04-26 17:40:13
#68 Eugene (lim0n) 100 (175225) 2019-09-17 11:19:07
#69 Alain Terieur (Alain) 100 (6510) 2019-11-09 01:19:22
#70 Derek Hatton (alfred_noble) 100 (33998) 2019-11-23 17:48:50
#71 Jasmin (Miles) 100 (8987) 2020-01-02 01:52:06
#72 madness (madness) 100 (62061) 2020-02-11 00:23:22
#73 Polaris (Polaris) 100 (32963) 2020-09-27 01:25:33
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Enigma Messages with Repeated Letters — Part 2

[lasry-02] - 72 users already solved this challenge, 17 are working on it.
 
 
 

In this part of this series of Enigma challenges, a plaintext message consisting of one letter which is repeated several times has been encrypted by the Enigma I. What was the setting of the Enigma rotors?
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: 2013-10-28 20:53
Maximum number of attempts for this challenge: 15

All successful users of this challenge

Rank User (#72) Achieved points (Global score) y-m-d - h:m:s

Armin Krauss (argh) 200 (206765) 2013-10-28 23:12:20
Viktor (Veselovský) 200 (169244) 2013-10-29 01:39:38
Em Doulgerakis (Greko) 200 (148908) 2013-10-29 11:32:52
Kurt Gebauer (Yokozuna) 200 (278213) 2013-10-29 16:44:09
#5 Alexander (cruachan) 150 (16051) 2013-10-30 17:04:21
#6 Michael Möller (michaelm) 133 (253046) 2013-10-31 16:18:50
#7 Forrest Gump (Polyphem) 125 (38763) 2013-11-01 17:00:49
#8 J. M. (jomandi) 120 (113270) 2013-11-02 01:33:05
#9 Seth Kintigh (DarkFibre) 120 (79471) 2013-11-02 04:20:21
#10 Timo (Amarth) 120 (831) 2013-11-02 11:43:14
#11 E.T (Ertheb) 114 (81809) 2013-11-04 18:07:14
#12 Luigi Tomelli (archstanton) 111 (113164) 2013-11-06 14:01:55
#13 H. Lautenschlager (helmi) 111 (56270) 2013-11-06 20:11:39
#14 George (Theofanidis) 108 (120805) 2013-11-09 23:09:03
#15 Bart den Hartog (Bart13) 107 (148936) 2013-11-11 22:48:14
#16 Francisco Moraes (fmoraes) 106 (90044) 2013-11-13 23:30:01
#17 Jim Gillogly (Scryer) 103 (21260) 2013-12-05 21:32:06
#18 Dusan (xxdradus) 102 (40436) 2013-12-09 17:29:23
#19 TURINGBOMBE (TBREAKER) 102 (10616) 2013-12-22 14:35:59
#20 Alain (Integral) 101 (207924) 2014-01-14 08:22:19
#21 Thomas Lambert (lambert) 101 (38594) 2014-03-09 12:26:46
#22 David (aki321) 101 (27482) 2014-03-10 01:46:01
#23 Sebastian Slupina (Grandwizard) 101 (10866) 2014-03-12 14:06:11
#24 RPH (derichard) 101 (27044) 2014-03-24 19:02:16
#25 Karl Schutt (günter) 101 (44374) 2014-05-02 16:49:50
#26 Snake (snk) 100 (187650) 2014-06-06 16:17:55
#27 Michel Van Caneghem (vancan) 100 (49719) 2014-06-14 16:30:04
#28 Bernhard Gruber (bgr) 100 (22889) 2014-07-28 23:12:30
#29 Pavel Kessler (pavel) 100 (5496) 2014-07-30 22:41:57
#30 Robert (rm) 100 (56475) 2014-07-31 22:53:21
#31 Markus (Wasser) 100 (702) 2014-08-11 13:08:16
#32 julius gaius (julius) 100 (25581) 2014-08-14 08:44:09
#33 Julia Bernotat (El Greco ) 100 (81129) 2014-11-12 01:23:53
#34 S Combes (jerva) 100 (218893) 2015-01-25 20:34:39
#35 Rainer Zufall (kiekuk) 100 (56786) 2015-02-19 23:20:21
#36 Hans Joachim Girulat (joregi) 100 (36278) 2015-04-02 22:45:53
#37 Vlatiha Romanova (Vlatiha) 100 (10323) 2015-04-16 12:18:34
#38 Steve (Samacian) 100 (23915) 2015-05-19 02:12:10
#39 Andreas Frerichs (Ossili) 100 (33266) 2015-05-27 23:09:43
#40 zahir mohsen moradi (ariobarzan) 100 (99757) 2015-06-04 19:22:45
#41 Michael Ammon (Ammonym) 100 (8219) 2015-06-08 18:58:46
#42 KW (qwer*) 100 (13963) 2015-06-16 18:06:45
#43 Peter (TomBombadil) 100 (3417) 2015-09-06 18:40:58
#44 Claude Vaillancourt (Cl3v3r) 100 (42910) 2015-09-13 14:26:22
#45 J-L Morel (Rossignol) 100 (42130) 2015-10-22 10:43:32
#46 Szabó Zoltán (szabo.z87) 100 (55604) 2016-01-11 15:49:32
#47 Alain Collignon (vexilla72) 100 (123466) 2016-01-15 17:59:11
#48 Nofre Tete (noffi) 100 (26357) 2016-02-03 16:53:15
#49 Marc (rcll0891) 100 (24004) 2016-03-16 19:25:05
#50 Erik (Erox) 100 (26141) 2016-04-17 17:58:32
#51 Norbert Biermann (Norbert) 100 (47687) 2016-08-22 14:14:08
#52 Nicolas (nicosPavlov) 100 (257791) 2016-10-16 14:58:47
#53 zuben c3 (zuben-c3) 100 (27154) 2016-12-03 16:05:19
#54 Javantea (Javantea) 100 (40816) 2016-12-15 23:06:58
#55 Marcel (bene1512) 100 (20896) 2016-12-30 20:10:06
#56 Rene (ion) 100 (5617) 2017-02-02 20:44:28
#57 Dominik M. (Sgt. Pepper) 100 (127349) 2017-03-22 19:39:06
#58 chris (c2) 100 (51973) 2017-03-24 10:51:08
#59 Daniel Walder (ibex) 100 (14672) 2017-05-03 00:49:57
#60 Mir Dim (mir0soft) 100 (79760) 2017-05-07 12:10:44
#61 D3d4lu5 (D3d4lu5) 100 (363488) 2017-06-21 12:34:10
#62 Lane Williams (planetlane) 100 (34527) 2017-06-21 20:58:14
#63 Random Dude (rnd) 100 (102352) 2018-08-23 00:43:27
#64 sarah b (silva) 100 (47744) 2018-11-26 19:56:42
#65 Michael (FoM) 100 (54376) 2018-12-31 11:34:35
#66 Mike (RogueRamblers) 100 (69070) 2019-05-10 20:18:30
#67 Eugene (lim0n) 100 (175225) 2019-09-17 09:44:11
#68 Alain Terieur (Alain) 100 (6510) 2019-11-09 01:07:55
#69 Derek Hatton (alfred_noble) 100 (33998) 2019-11-23 02:45:25
#70 Jasmin (Miles) 100 (8987) 2020-01-02 01:45:28
#71 madness (madness) 100 (62061) 2020-02-11 00:09:33
#72 Polaris (Polaris) 100 (32963) 2020-09-27 01:24:17
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Trifid Cipher

[gysler-02] - 114 users already solved this challenge, 6 are working on it.
 
 
 

Two scatterbrained professors exchange messages that have been encrypted with the Trifid cipher. Unfortunately, one of them lost the second of three layers. Will he nevertheless be able to decrypt the message he received from his colleague?
Read more...

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

Author: This email address is being protected from spambots. You need JavaScript enabled to view it.
Published on: 2013-10-28 20:49
Maximum number of attempts for this challenge: 15

All successful users of this challenge

Rank User (#114) Achieved points (Global score) y-m-d - h:m:s

Armin Krauss (argh) 200 (206765) 2013-10-29 00:11:55
Kurt Gebauer (Yokozuna) 200 (278213) 2013-10-29 01:01:21
Viktor (Veselovský) 200 (169244) 2013-10-29 01:09:57
Snake (snk) 200 (187650) 2013-10-29 11:28:48
#5 H. Lautenschlager (helmi) 200 (56270) 2013-10-29 12:02:52
#6 Hans Peter (hanspeter) 200 (52356) 2013-10-29 13:43:41
#7 zahir mohsen moradi (ariobarzan) 200 (99757) 2013-10-29 14:26:29
#8 Michael Möller (michaelm) 200 (253046) 2013-10-29 17:20:19
#9 E.T (Ertheb) 200 (81809) 2013-10-29 17:44:41
#10 J. M. (jomandi) 150 (113270) 2013-10-30 10:00:11
#11 Hannes Nötzli (Faust) 150 (4781) 2013-10-30 16:54:48
#12 Alexander (cruachan) 150 (16051) 2013-10-30 18:04:02
#13 Bart den Hartog (Bart13) 150 (148936) 2013-10-30 19:22:24
#14 Forrest Gump (Polyphem) 133 (38763) 2013-10-31 00:45:09
#15 Steve (Samacian) 133 (23915) 2013-10-31 12:47:01
#16 Bernhard Gruber (bgr) 125 (22889) 2013-10-31 21:24:25
#17 KW (qwer*) 125 (13963) 2013-11-01 20:21:19
#18 George (Theofanidis) 120 (120805) 2013-11-01 23:38:52
#19 Sebastian Slupina (Grandwizard) 120 (10866) 2013-11-02 15:41:22
#20 Luigi Tomelli (archstanton) 111 (113164) 2013-11-06 10:19:08
#21 Holti (Holti) 108 (6035) 2013-11-09 18:06:25
#22 Shimi (elyimmy) 107 (207) 2013-11-11 19:41:34
#23 j.h. (haegarq) 106 (15352) 2013-11-14 13:54:06
#24 Joost (Joost) 103 (2653) 2013-11-26 00:24:15
#25 Dusan (xxdradus) 103 (40436) 2013-11-26 14:56:21
#26 A. S. (er1709) 103 (1608) 2013-12-02 22:19:53
#27 Em Doulgerakis (Greko) 101 (148908) 2014-01-06 15:49:01
#28 Alain (Integral) 101 (207924) 2014-01-12 17:28:03
#29 Steffen (Mandelbaum) 101 (101) 2014-01-15 17:49:49
#30 Kim H. S. (tenchijin) 101 (25468) 2014-01-22 13:23:09
#31 Nascha (Nascha) 101 (101) 2014-02-08 13:25:03
#32 Moritz Stocker (Trismegistos) 101 (2471) 2014-02-10 13:08:15
#33 Sascha (The Hoddich) 101 (4350) 2014-03-03 10:08:31
#34 Silvija H. (Hafner) 101 (401) 2014-03-15 22:45:59
#35 Laura (Weltenwandlerin) 101 (1004) 2014-03-18 17:10:04
#36 Felix (codeflx) 101 (1915) 2014-03-22 16:26:54
#37 masam (jimboo) 101 (18687) 2014-03-24 19:29:16
#38 Bertold (bk) 101 (9673) 2014-04-03 21:09:12
#39 Karl Schutt (günter) 101 (44374) 2014-04-04 21:03:11
#40 edventscher (edventscher) 101 (101) 2014-04-10 10:17:36
#41 Siggi Kraus (Kruxi) 101 (2891) 2014-04-26 13:50:58
#42 Luca (jellyluke) 101 (2140) 2014-04-30 19:40:37
#43 Michael S (Scherbius) 101 (403) 2014-05-04 22:41:46
#44 Aivaras (TaiAivaras) 100 (500) 2014-05-20 17:37:42
#45 Michel Van Caneghem (vancan) 100 (49719) 2014-05-24 08:46:20
#46 Tina (BTina) 100 (1500) 2014-05-30 05:48:37
#47 Francisco Moraes (fmoraes) 100 (90044) 2014-06-28 16:56:00
#48 Jay Kay (Merty) 100 (3726) 2014-07-06 16:00:18
#49 Robert (rm) 100 (56475) 2014-07-31 23:06:07
#50 Julia Bernotat (El Greco ) 100 (81129) 2014-07-31 23:33:04
#51 Michael (miklzbr) 100 (100) 2014-08-19 22:16:20
#52 Andreas Frerichs (Ossili) 100 (33266) 2014-09-02 21:12:59
#53 Darío Lafuente (darolaf) 100 (100) 2014-09-23 21:34:15
#54 Lane Williams (planetlane) 100 (34527) 2014-11-24 20:40:18
#55 Heather Williams (planetheather) 100 (1927) 2014-11-24 21:08:07
#56 Julia Werdelmann (jw) 100 (10407) 2014-12-05 00:09:47
#57 Pavel (haw) 100 (22728) 2014-12-06 21:33:06
#58 ab (ababab) 100 (200) 2014-12-14 20:34:50
#59 Max Mustermann (MustermM) 100 (6661) 2014-12-16 16:54:47
#60 HolgerK (HolgerK) 100 (25776) 2014-12-22 23:55:19
#61 S Combes (jerva) 100 (218893) 2015-01-21 20:23:25
#62 Vlatiha Romanova (Vlatiha) 100 (10323) 2015-02-10 13:51:06
#63 Claude Vaillancourt (Cl3v3r) 100 (42910) 2015-02-12 18:12:03
#64 Elena (Lifeindeath) 100 (2798) 2015-02-19 23:37:59
#65 micaman (micaman) 100 (4634) 2015-02-21 00:03:31
#66 Muendo (muendo) 100 (3501) 2015-02-24 09:47:11
#67 Tim Fink (Magellan) 100 (4876) 2015-03-11 03:20:32
#68 Patrick Renz (tarantulla) 100 (2027) 2015-03-31 13:37:56
#69 Rainer Zufall (kiekuk) 100 (56786) 2015-04-07 15:06:19
#70 Thomas Gonda (TomG) 100 (36291) 2015-04-14 21:29:41
#71 Hans Joachim Girulat (joregi) 100 (36278) 2015-04-21 09:26:49
#72 Michael Ammon (Ammonym) 100 (8219) 2015-06-20 22:48:44
#73 Mikaela Bergstedt (Millie82) 100 (200) 2015-07-07 11:56:47
#74 Alain Collignon (vexilla72) 100 (123466) 2015-10-07 11:50:30
#75 S (Zyphe) 100 (13361) 2015-10-24 20:23:34
#76 Szabó Zoltán (szabo.z87) 100 (55604) 2015-11-01 05:22:58
#77 Dominik M. (Sgt. Pepper) 100 (127349) 2015-12-16 10:04:10
#78 Ines (bufo01) 100 (5676) 2016-02-22 23:18:13
#79 Peter (Garnet) 100 (14234) 2016-03-13 23:26:06
#80 Stephan (stegi) 100 (801) 2016-07-09 20:51:47
#81 J-L Morel (Rossignol) 100 (42130) 2016-07-10 17:33:57
#82 Norbert Biermann (Norbert) 100 (47687) 2016-07-31 22:47:59
#83 Nicolas (nicosPavlov) 100 (257791) 2016-10-07 12:37:59
#84 Hajoe (Tintin-Muc) 100 (6923) 2016-10-24 23:01:50
#85 Yass (Yass) 100 (300) 2016-11-04 21:15:39
#86 Michael (FoM) 100 (54376) 2016-11-29 23:48:37
#87 Marcel (bene1512) 100 (20896) 2016-12-29 18:07:38
#88 Nofre Tete (noffi) 100 (26357) 2016-12-29 18:09:10
#89 Anggia (Vuleedazula) 100 (1608) 2017-03-07 12:39:46
#90 Mir Dim (mir0soft) 100 (79760) 2017-03-21 07:20:36
#91 chris (c2) 100 (51973) 2017-03-28 19:50:48
#92 Daniel Walder (ibex) 100 (14672) 2017-05-11 23:33:18
#93 D3d4lu5 (D3d4lu5) 100 (363488) 2017-06-18 03:41:37
#94 Jimmy Gauvin (amateur) 100 (200) 2017-09-13 23:26:25
#95 Michael Jeffrey (empjay) 100 (3104) 2017-12-26 20:02:43
#96 Richard Bean (detrevni) 100 (100) 2018-03-24 05:34:35
#97 Benjamin (200611736) 100 (10186) 2018-04-13 23:40:59
#98 Samuel (Samusicus) 100 (2203) 2018-04-23 21:52:01
#99 Eric (ExAstris) 100 (27090) 2018-05-29 17:55:23
#100 Random Dude (rnd) 100 (102352) 2018-07-06 02:09:53
#101 sarah b (silva) 100 (47744) 2018-07-31 14:15:08
#102 Julian (Lemmynator) 100 (20822) 2018-07-31 16:51:53
#103 Stephan (Stephje1978) 100 (27064) 2019-06-09 13:09:05
#104 Jeff (Fountain) 100 (8788) 2019-06-17 15:30:14
#105 Mike (RogueRamblers) 100 (69070) 2019-06-28 17:32:21
#106 Dr. Peter Uelkes (RandyWaterhouse) 100 (9990) 2019-08-02 08:05:30
#107 Eugene (lim0n) 100 (175225) 2019-09-15 15:51:20
#108 Danny Higgins (hamster147) 100 (39638) 2019-10-06 10:30:57
#109 Roman Seefeld (Antares) 100 (15543) 2020-02-21 13:32:34
#110 madness (madness) 100 (62061) 2020-03-10 15:46:04
#111 Will Bonasera (Vermentis) 100 (4789) 2020-08-03 23:25:32
#112 Polaris (Polaris) 100 (32963) 2020-08-05 22:39:38
#113 Kevin Shepherd (kshepherd) 100 (2391) 2020-08-18 13:57:00
#114 David Shepherd (dshepherd) 100 (2189) 2020-08-18 14:01:40
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Enigma Messages with Repeated Letters — Part 1

[lasry-01] - 160 users already solved this challenge, 25 are working on it.
 
 
 

In this part of this series of Enigma challenges, a plaintext message consisting of one letter which is repeated several times has been encrypted by the Enigma I. What is the letter we are looking for?
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: 2013-09-26 15:05
Maximum number of attempts for this challenge: 3

All successful users of this challenge

Rank User (#160) Achieved points (Global score) y-m-d - h:m:s

Armin Krauss (argh) 200 (206765) 2013-09-26 15:14:57
H. Lautenschlager (helmi) 200 (56270) 2013-09-26 15:43:29
J. M. (jomandi) 200 (113270) 2013-09-26 15:57:21
Alexander (cruachan) 200 (16051) 2013-09-26 16:49:25
#5 Em Doulgerakis (Greko) 200 (148908) 2013-09-26 18:21:52
#6 Kurt Gebauer (Yokozuna) 200 (278213) 2013-09-26 19:48:57
#7 George (Theofanidis) 200 (120805) 2013-09-26 20:04:18
#8 KW (qwer*) 200 (13963) 2013-09-26 21:25:26
#9 Michael Möller (michaelm) 200 (253046) 2013-09-26 21:53:56
#10 Aliazer (Aliazer) 200 (12521) 2013-09-26 21:56:47
#11 Viktor (Veselovský) 200 (169244) 2013-09-26 21:57:26
#12 E.T (Ertheb) 200 (81809) 2013-09-26 22:25:54
#13 zahir mohsen moradi (ariobarzan) 200 (99757) 2013-09-26 23:15:41
#14 Forrest Gump (Polyphem) 200 (38763) 2013-09-26 23:59:30
#15 Bernhard Gruber (bgr) 150 (22889) 2013-09-27 16:25:22
#16 David (aki321) 150 (27482) 2013-09-27 18:38:10
#17 Paul (pgilbert) 150 (657) 2013-09-28 04:56:40
#18 Luigi Tomelli (archstanton) 150 (113164) 2013-09-28 11:40:58
#19 Bart den Hartog (Bart13) 133 (148936) 2013-09-29 02:39:38
#20 Roland Jansen (roland) 133 (17607) 2013-09-29 12:31:27
#21 Sebastian Slupina (Grandwizard) 125 (10866) 2013-09-29 18:53:32
#22 Hans Peter (hanspeter) 117 (52356) 2013-10-02 11:01:17
#23 Ethlaron (Ethlaron) 113 (1253) 2013-10-04 09:43:19
#24 Snake (snk) 109 (187650) 2013-10-07 10:21:00
#25 Georg Dietze (Poramyco) 108 (211) 2013-10-07 20:25:53
#26 DirkS (Dustman) 107 (8479) 2013-10-10 14:41:25
#27 Timo (Amarth) 106 (831) 2013-10-12 15:04:29
#28 trypsonite (trypsonite) 105 (305) 2013-10-14 19:18:42
#29 Steve (Samacian) 105 (23915) 2013-10-15 01:03:43
#30 Hank (hanky) 105 (24373) 2013-10-15 10:26:32
#31 Keller (ThomasK) 105 (2327) 2013-10-15 21:10:33
#32 Stuart Barton (knerve) 105 (207) 2013-10-16 17:36:29
#33 Ashish Kumar Srivastava (lifeinashish) 103 (103) 2013-10-24 18:02:40
#34 Manfred Wurm (Tschabobo) 103 (8935) 2013-10-30 16:49:05
#35 Seth Kintigh (DarkFibre) 103 (79471) 2013-11-02 03:50:22
#36 Francisco Moraes (fmoraes) 102 (90044) 2013-11-13 05:21:36
#37 Boris (Kaasu) 102 (16566) 2013-11-14 16:38:01
#38 Jim Gillogly (Scryer) 101 (21260) 2013-12-02 08:15:20
#39 A. S. (er1709) 101 (1608) 2013-12-02 22:42:37
#40 Dusan (xxdradus) 101 (40436) 2013-12-03 10:13:19
#41 Sebastian Kluge (zappo) 101 (1801) 2013-12-04 21:38:16
#42 bla (bla) 101 (2750) 2013-12-19 02:55:32
#43 TURINGBOMBE (TBREAKER) 101 (10616) 2013-12-22 14:10:31
#44 Alain (Integral) 101 (207924) 2014-01-13 15:12:24
#45 Paul Wagner (Sequence1) 101 (602) 2014-01-23 16:17:53
#46 Flo (0knowledge) 101 (902) 2014-02-02 12:27:36
#47 Klaus Mohrmann (sub) 101 (301) 2014-02-05 11:22:02
#48 Moritz Stocker (Trismegistos) 101 (2471) 2014-02-11 22:22:34
#49 Nofre Tete (noffi) 101 (26357) 2014-02-12 00:19:35
#50 Sascha (The Hoddich) 101 (4350) 2014-02-25 13:47:12
#51 Jürgen Walkowski (checker_vom_neckar) 101 (101) 2014-02-28 01:07:33
#52 Thomas Lambert (lambert) 101 (38594) 2014-03-08 18:12:48
#53 mark (FivePrime) 101 (3345) 2014-03-24 13:57:40
#54 RPH (derichard) 101 (27044) 2014-03-24 18:38:43
#55 Karl Schutt (günter) 100 (44374) 2014-04-21 11:03:35
#56 Joe (IlmJoe) 100 (2938) 2014-05-07 11:57:05
#57 Michel Van Caneghem (vancan) 100 (49719) 2014-06-12 11:27:41
#58 Pavel Kessler (pavel) 100 (5496) 2014-07-22 17:46:36
#59 Javantea (Javantea) 100 (40816) 2014-07-22 23:04:26
#60 Robert (rm) 100 (56475) 2014-07-31 22:40:26
#61 Julia Bernotat (El Greco ) 100 (81129) 2014-08-09 21:31:55
#62 julius gaius (julius) 100 (25581) 2014-08-10 09:43:37
#63 Markus (Wasser) 100 (702) 2014-08-11 11:40:35
#64 Thomas Gonda (TomG) 100 (36291) 2014-08-29 22:36:26
#65 Lane Williams (planetlane) 100 (34527) 2014-10-29 01:34:54
#66 Andreas Frerichs (Ossili) 100 (33266) 2014-11-07 15:35:11
#67 jej (stationz) 100 (4939) 2014-11-09 05:25:52
#68 Pavel (haw) 100 (22728) 2014-12-06 14:20:34
#69 Lazar Vlad (drywater) 100 (300) 2014-12-28 01:45:41
#70 Jeetsagar (jeetsagar) 100 (2429) 2015-01-14 18:09:23
#71 Stefan Will (Kingkojak) 100 (300) 2015-01-14 22:18:14
#72 S Combes (jerva) 100 (218893) 2015-01-17 22:22:35
#73 Kerstin (herzchen412) 100 (3937) 2015-01-28 14:30:48
#74 Joerg Schaeffler (DrAcula) 100 (2948) 2015-01-28 17:08:32
#75 Claude Vaillancourt (Cl3v3r) 100 (42910) 2015-01-29 01:06:13
#76 Elena (Lifeindeath) 100 (2798) 2015-02-19 17:40:57
#77 Rainer Zufall (kiekuk) 100 (56786) 2015-02-19 18:21:37
#78 Tom Tox (tox) 100 (17708) 2015-02-19 21:30:51
#79 Georgius Stolte (HazmatsFear) 100 (16071) 2015-02-20 20:31:48
#80 FB (fb) 100 (100) 2015-02-26 18:19:32
#81 Mike H (Hunter234) 100 (800) 2015-03-02 11:55:33
#82 Johannes Leupold (TraderJoe) 100 (403) 2015-03-05 13:44:18
#83 Hans Joachim Girulat (joregi) 100 (36278) 2015-03-30 20:17:51
#84 Patrick Renz (tarantulla) 100 (2027) 2015-04-07 11:29:02
#85 Vlatiha Romanova (Vlatiha) 100 (10323) 2015-04-10 08:28:47
#86 Noah (Pakashi) 100 (100) 2015-04-19 16:43:46
#87 Ulrich Dorobeck (Papageno) 100 (3927) 2015-05-14 16:46:34
#88 M (m3000) 100 (300) 2015-05-23 17:52:28
#89 Michael Ammon (Ammonym) 100 (8219) 2015-06-08 14:27:54
#90 Dave (compsec) 100 (3631) 2015-06-10 00:07:57
#91 sam (sam) 100 (800) 2015-06-12 05:32:55
#92 Erik (Erox) 100 (26141) 2015-08-03 18:55:38
#93 Peter (TomBombadil) 100 (3417) 2015-09-06 10:44:08
#94 Joseph (MO_JOE) 100 (100) 2015-09-12 21:00:03
#95 Martin (martinbucher) 100 (33626) 2015-10-10 16:37:13
#96 J-L Morel (Rossignol) 100 (42130) 2015-10-22 10:00:12
#97 nori (nori) 100 (400) 2015-12-17 17:35:44
#98 Alain Collignon (vexilla72) 100 (123466) 2016-01-09 14:24:02
#99 Szabó Zoltán (szabo.z87) 100 (55604) 2016-01-11 10:19:19
#100 j.h. (haegarq) 100 (15352) 2016-01-27 17:47:09
#101 D (devilchn) 100 (11142) 2016-02-04 13:17:48
#102 Ines (bufo01) 100 (5676) 2016-03-01 21:15:59
#103 Peter (Garnet) 100 (14234) 2016-03-11 13:31:06
#104 Marc (rcll0891) 100 (24004) 2016-03-14 21:23:30
#105 Dominik M. (Sgt. Pepper) 100 (127349) 2016-03-20 14:47:28
#106 Lennart (Penthesilea) 100 (4110) 2016-04-16 17:28:47
#107 Gugu (Willyz) 100 (1810) 2016-04-19 16:55:21
#108 Stephan (stegi) 100 (801) 2016-06-13 21:05:10
#109 Anna (Maran) 100 (501) 2016-06-24 20:56:38
#110 Hajoe (Tintin-Muc) 100 (6923) 2016-08-15 22:58:22
#111 Norbert Biermann (Norbert) 100 (47687) 2016-08-22 08:51:54
#112 Advin (AdvinRoz) 100 (200) 2016-08-29 11:45:42
#113 Boy Gorissen (Boy) 100 (200) 2016-08-29 11:47:49
#114 sjaakbanaan (sjaakbanaan) 100 (200) 2016-08-29 14:27:54
#115 Mike (Mike77) 100 (300) 2016-08-29 14:30:30
#116 Anthony (Anthony) 100 (300) 2016-08-29 14:30:46
#117 HeinzelMann (Ohm) 100 (5295) 2016-09-27 12:49:53
#118 Mirko Rendey (Biork) 100 (6595) 2016-09-27 14:19:12
#119 Nicolas (nicosPavlov) 100 (257791) 2016-10-07 11:57:16
#120 zuben c3 (zuben-c3) 100 (27154) 2016-11-29 21:55:45
#121 JoGo (JoGo) 100 (11686) 2016-12-04 11:40:28
#122 Michael (FoM) 100 (54376) 2016-12-17 02:41:28
#123 Marcel (bene1512) 100 (20896) 2016-12-30 20:11:22
#124 Arno (TryC3) 100 (6847) 2016-12-31 00:47:57
#125 S (Zyphe) 100 (13361) 2017-01-15 01:18:42
#126 Rene (ion) 100 (5617) 2017-02-15 22:25:20
#127 chris (c2) 100 (51973) 2017-03-01 21:36:04
#128 Mir Dim (mir0soft) 100 (79760) 2017-03-14 14:17:38
#129 vsp (vsp) 100 (700) 2017-03-24 15:15:55
#130 Daniel Walder (ibex) 100 (14672) 2017-05-01 22:31:36
#131 D3d4lu5 (D3d4lu5) 100 (363488) 2017-06-20 15:57:23
#132 Tim Fink (Magellan) 100 (4876) 2017-06-21 13:06:07
#133 velo (veli) 100 (500) 2017-12-27 12:33:58
#134 Danny Higgins (hamster147) 100 (39638) 2018-03-02 23:01:53
#135 Steve Vaillancourt (stvai2) 100 (15041) 2018-05-14 16:29:20
#136 Eric (ExAstris) 100 (27090) 2018-06-07 22:51:02
#137 Random Dude (rnd) 100 (102352) 2018-07-02 04:23:29
#138 David (Youcube) 100 (100) 2018-07-05 22:53:54
#139 Julian (Lemmynator) 100 (20822) 2018-07-26 11:33:34
#140 sarah b (silva) 100 (47744) 2018-08-23 11:29:48
#141 mglarragan (mglarragan) 100 (3474) 2018-11-11 11:27:42
#142 clyto (clytorock) 100 (3595) 2018-11-12 23:01:32
#143 Pierre Robier (tripleedged) 100 (5916) 2019-02-17 20:21:17
#144 LoneWolf219 (LoneWolf219) 100 (12795) 2019-03-10 01:40:29
#145 Mike (RogueRamblers) 100 (69070) 2019-03-21 00:55:04
#146 Benjamin (200611736) 100 (10186) 2019-03-24 19:41:50
#147 Jeff (Fountain) 100 (8788) 2019-06-02 00:51:05
#148 Egon Hamburger (Seehase) 100 (3746) 2019-07-01 10:25:36
#149 yult (yult) 100 (12185) 2019-07-14 11:04:33
#150 Magnus Ekhall (mekhall) 100 (1287) 2019-07-19 23:43:08
#151 ajg (ludimus) 100 (12114) 2019-07-29 11:56:58
#152 Malte (maltecaesar) 100 (1492) 2019-08-13 14:45:27
#153 Eugene (lim0n) 100 (175225) 2019-09-15 08:11:15
#154 Alain Terieur (Alain) 100 (6510) 2019-11-08 20:59:36
#155 Derek Hatton (alfred_noble) 100 (33998) 2019-11-23 00:52:41
#156 Jasmin (Miles) 100 (8987) 2019-12-31 17:31:41
#157 madness (madness) 100 (62061) 2020-02-10 23:42:06
#158 DS (DS8279) 100 (29732) 2020-07-17 10:14:05
#159 Polaris (Polaris) 100 (32963) 2020-09-02 23:54:08
#160 Aijun (geaijun) 100 (3479) 2020-12-31 15:00:23
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Hill Cipher with Sudoku Key

[doulgerakis-01] - 82 users already solved this challenge, 2 are working on it.
 
 
 

You find a note with strange characters and an unsolved Sudoku on your brother's desk. You are curious and would like to find out what your brother is working on. Can you decrypt the note using the Sudoku?
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Author: This email address is being protected from spambots. You need JavaScript enabled to view it.
Published on: 2013-09-04 16:27
Maximum number of attempts for this challenge: 15

All successful users of this challenge

Rank User (#82) Achieved points (Global score) y-m-d - h:m:s

Armin Krauss (argh) 200 (206765) 2013-09-04 16:45:32
George (Theofanidis) 200 (120805) 2013-09-04 18:43:31
masam (jimboo) 200 (18687) 2013-09-05 00:18:55
E.T (Ertheb) 200 (81809) 2013-09-05 12:53:10
#5 Andreas Wolff (timberwolff) 133 (1340) 2013-09-06 18:49:50
#6 Alexander (cruachan) 133 (16051) 2013-09-07 03:30:17
#7 zahir mohsen moradi (ariobarzan) 133 (99757) 2013-09-07 12:07:33
#8 H. Lautenschlager (helmi) 125 (56270) 2013-09-08 15:06:32
#9 Kurt Gebauer (Yokozuna) 125 (278213) 2013-09-08 15:12:34
#10 Luigi Tomelli (archstanton) 125 (113164) 2013-09-08 16:04:53
#11 Viktor (Veselovský) 120 (169244) 2013-09-08 21:59:22
#12 Forrest Gump (Polyphem) 117 (38763) 2013-09-10 01:32:01
#13 Michael Möller (michaelm) 114 (253046) 2013-09-10 16:36:11
#14 J. M. (jomandi) 113 (113270) 2013-09-12 15:45:57
#15 Bart den Hartog (Bart13) 111 (148936) 2013-09-12 23:07:47
#16 Benedikt M. (bm91) 110 (4112) 2013-09-14 15:36:05
#17 Erich (ErichSt) 104 (4862) 2013-09-27 12:31:53
#18 Gergely Simon (george314) 103 (17850) 2013-10-03 01:03:30
#19 Ethlaron (Ethlaron) 103 (1253) 2013-10-07 18:49:20
#20 Paul (pgilbert) 103 (657) 2013-10-13 06:01:02
#21 Timo (Amarth) 102 (831) 2013-10-15 19:12:24
#22 chris_3stones (3stones) 102 (38845) 2013-10-31 19:25:33
#23 KW (qwer*) 101 (13963) 2013-12-15 21:19:19
#24 Alain (Integral) 101 (207924) 2013-12-25 22:16:37
#25 Joost (Joost) 101 (2653) 2014-01-02 15:08:22
#26 Pavel (haw) 101 (22728) 2014-01-07 16:21:32
#27 Moritz Stocker (Trismegistos) 101 (2471) 2014-02-10 14:23:40
#28 Marcel (bene1512) 101 (20896) 2014-02-16 13:28:12
#29 Kim H. S. (tenchijin) 101 (25468) 2014-03-12 11:37:24
#30 Felix (codeflx) 101 (1915) 2014-03-23 11:31:06
#31 RPH (derichard) 100 (27044) 2014-03-26 09:41:11
#32 Karl Schutt (günter) 100 (44374) 2014-05-01 18:20:13
#33 Michel Van Caneghem (vancan) 100 (49719) 2014-05-25 11:48:49
#34 Francisco Moraes (fmoraes) 100 (90044) 2014-06-21 04:19:44
#35 Manfred Wurm (Tschabobo) 100 (8935) 2014-07-06 13:08:29
#36 Robert (rm) 100 (56475) 2014-07-31 22:58:12
#37 julius gaius (julius) 100 (25581) 2014-08-20 00:30:08
#38 Julia Bernotat (El Greco ) 100 (81129) 2014-08-23 23:09:16
#39 Tim Fink (Magellan) 100 (4876) 2014-10-31 00:56:41
#40 Claude Vaillancourt (Cl3v3r) 100 (42910) 2015-01-08 17:01:05
#41 HolgerK (HolgerK) 100 (25776) 2015-01-14 22:04:58
#42 Steve (Samacian) 100 (23915) 2015-03-04 00:47:00
#43 Andreas Frerichs (Ossili) 100 (33266) 2015-03-21 20:10:05
#44 Rainer Zufall (kiekuk) 100 (56786) 2015-04-13 22:55:30
#45 Hans Joachim Girulat (joregi) 100 (36278) 2015-07-08 16:50:04
#46 Szabó Zoltán (szabo.z87) 100 (55604) 2015-11-24 09:21:39
#47 Lane Williams (planetlane) 100 (34527) 2016-01-25 00:53:56
#48 Alain Collignon (vexilla72) 100 (123466) 2016-03-08 11:48:28
#49 Felix (Flix) 100 (13812) 2016-04-02 19:11:04
#50 Nicolas (nicosPavlov) 100 (257791) 2016-10-24 11:59:21
#51 Peter (Garnet) 100 (14234) 2016-10-31 15:21:52
#52 Nofre Tete (noffi) 100 (26357) 2016-12-23 19:57:38
#53 S (Zyphe) 100 (13361) 2017-01-08 20:23:18
#54 zuben c3 (zuben-c3) 100 (27154) 2017-01-09 12:08:06
#55 Dominik M. (Sgt. Pepper) 100 (127349) 2017-02-21 00:55:21
#56 Simon Hemmerich (simhem) 100 (3779) 2017-03-13 22:40:09
#57 chris (c2) 100 (51973) 2017-04-02 13:52:42
#58 Geovano (Bitelo) 100 (100) 2017-04-23 06:05:53
#59 Luciano Ignaczak (CryptoClass2017) 100 (3798) 2017-05-01 07:21:22
#60 D3d4lu5 (D3d4lu5) 100 (363488) 2017-06-17 16:00:54
#61 T (Wagner) 100 (16988) 2017-07-25 17:19:17
#62 Martin (martinbucher) 100 (33626) 2017-10-12 16:42:32
#63 Random Dude (rnd) 100 (102352) 2018-07-05 00:59:09
#64 Michael (FoM) 100 (54376) 2018-12-29 22:11:47
#65 sarah b (silva) 100 (47744) 2019-01-30 18:38:09
#66 Klaus (kumaus) 100 (22017) 2019-03-19 15:36:08
#67 Joerg G. (SnifferMaster) 100 (18376) 2019-03-22 16:56:13
#68 Beamofoldlight (Beamofoldlight) 100 (3745) 2019-05-06 19:24:22
#69 Eugene (lim0n) 100 (175225) 2019-05-08 12:50:38
#70 madness (madness) 100 (62061) 2019-05-12 18:05:57
#71 Mike (RogueRamblers) 100 (69070) 2019-08-02 23:17:22
#72 Michael Durso (MikeDurso) 100 (1990) 2020-02-10 19:02:48
#73 Courtney (cmc2427) 100 (600) 2020-02-10 23:22:51
#74 Alex M (mahlly) 100 (300) 2020-02-11 01:27:21
#75 Gyula Juhasz (gyuszi32) 100 (1489) 2020-04-13 21:06:06
#76 cworstell (ace2) 100 (6270) 2020-04-19 02:43:15
#77 Polaris (Polaris) 100 (32963) 2020-08-10 23:37:57
#78 Patrick McNamara (pamcnamara17) 100 (200) 2020-09-11 21:39:30
#79 Julian (Lemmynator) 100 (20822) 2020-09-26 16:57:03
#80 Wieland (wisch) 100 (8019) 2020-09-26 18:33:25
#81 Derek Hatton (alfred_noble) 100 (33998) 2020-11-05 14:24:56
#82 Calista (CalistaPhippen) 100 (400) 2021-03-17 01:07:38
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