Challenges Hall of Fame

Elliptic Boogaloo – Part 1
Name (Username)DatePoints
Luigi Tomelli (archstanton)Dec. 5, 2023, 3:19 p.m.1502
A disguised code
Name (Username)DatePoints
Alain Collignon (vexilla72)Oct. 31, 2023, 10:09 a.m.200
madnessOct. 31, 2023, 11:40 a.m.200
Viktor (Veselovský)Oct. 31, 2023, 3:40 p.m.200
#4J-L Morel (Rossignol)Oct. 31, 2023, 4:17 p.m.200
#5xiaozhuanOct. 31, 2023, 5:21 p.m.200
#6Armin Krauss (argh)Nov. 1, 2023, 5:44 p.m.150
#7Ryan (trybal5)Nov. 2, 2023, 6:51 a.m.150
#8Abdullah Ijaz (pkr895)Nov. 10, 2023, 4:59 p.m.109
#9Mike (RogueRamblers)Nov. 18, 2023, 5:39 p.m.105
#10BertoloNov. 19, 2023, 1:33 p.m.105
The Hutton Cipher – Part 4
Name (Username)DatePoints
madnessSept. 6, 2023, 3:40 p.m.2000
J-L Morel (Rossignol)Sept. 7, 2023, 7:18 p.m.1824
Armin Krauss (argh)Sept. 10, 2023, 11:07 p.m.1613
#4George Lasry (george4096)Sept. 25, 2023, 4:59 p.m.1385
The Hutton Cipher – Part 3
Name (Username)DatePoints
madnessJuly 22, 2023, 6:56 p.m.1824
Armin Krauss (argh)July 23, 2023, 11:31 p.m.1725
J-L Morel (Rossignol)July 25, 2023, 12:50 p.m.1613
#4George Lasry (george4096)Aug. 22, 2023, 10:37 a.m.1330
The Hutton Cipher – Part 2
Name (Username)DatePoints
madnessJune 5, 2023, 3:59 p.m.2000
Alain (Integral)June 5, 2023, 6:29 p.m.2000
Kurt Gebauer (Yokozuna)June 5, 2023, 9:03 p.m.2000
#4Michael Möller (michaelm)June 5, 2023, 9:28 p.m.2000
#5J-L Morel (Rossignol)June 6, 2023, 3:17 a.m.2000
#6Dr. Peter Uelkes (RandyWaterhouse)June 6, 2023, 6:14 a.m.2000
#7Dominik M. (Sgt. Pepper)June 6, 2023, 6:12 p.m.1824
#8PolarisJune 6, 2023, 7 p.m.1824
#9George (Theofanidis)June 6, 2023, 9:56 p.m.1824
#10Eric (ExAstris)June 13, 2023, 12:17 a.m.1523
The Hutton Cipher – Part 1
Name (Username)DatePoints
Dominik M. (Sgt. Pepper)May 2, 2023, 7:26 p.m.2000
madnessMay 2, 2023, 7:28 p.m.2000
Dr. Peter Uelkes (RandyWaterhouse)May 3, 2023, 6:41 a.m.2000
#4Michael (FoM)May 3, 2023, 11:31 a.m.2000
#5Alain (Integral)May 3, 2023, 3:16 p.m.2000
#6Kurt Gebauer (Yokozuna)May 4, 2023, 11:08 a.m.1824
#7Klaus (&thenselonlevent)May 6, 2023, 3:30 a.m.1660
#8J-L Morel (Rossignol)May 6, 2023, 7:29 a.m.1660
#9George (Theofanidis)May 6, 2023, 8:58 a.m.1660
#10xiaozhuanMay 6, 2023, 2:20 p.m.1660
The Josse Challenge – Part 3
Name (Username)DatePoints
Michael (FoM)March 27, 2023, 11:33 a.m.2000
Kurt Gebauer (Yokozuna)March 27, 2023, 11:46 a.m.2000
madnessMarch 27, 2023, 1:34 p.m.2000
#4Dr. Peter Uelkes (RandyWaterhouse)March 29, 2023, 6:54 a.m.1824
#5George (Theofanidis)March 29, 2023, 6:08 p.m.1725
#6Alain (Integral)March 30, 2023, 9:27 a.m.1725
#7Luigi Tomelli (archstanton)March 30, 2023, 6 p.m.1660
#8George Lasry (george4096)March 31, 2023, 6:21 p.m.1613
#9J-L Morel (Rossignol)May 24, 2023, 1:54 p.m.1272
#10Armin Krauss (argh)July 18, 2023, 8:25 a.m.1222
The Josse Challenge – Part 2
Name (Username)DatePoints
Michael (FoM)Feb. 25, 2023, 1:50 a.m.2000
Dr. Peter Uelkes (RandyWaterhouse)Feb. 25, 2023, 9:19 a.m.2000
Kurt Gebauer (Yokozuna)Feb. 25, 2023, 11:08 a.m.2000
#4J-L Morel (Rossignol)Feb. 25, 2023, 11:19 a.m.2000
#5madnessFeb. 25, 2023, 3:32 p.m.2000
#6George (Theofanidis)Feb. 26, 2023, 7:42 p.m.1824
#7Alain (Integral)Feb. 27, 2023, 9:39 a.m.1725
#8Alain Collignon (vexilla72)Feb. 27, 2023, 9:47 a.m.1725
#9Luigi Tomelli (archstanton)Feb. 28, 2023, 11:12 a.m.1660
#10Thomas (vonk)March 29, 2023, 5:57 p.m.1327
The Josse Challenge – Part 1
Name (Username)DatePoints
J-L Morel (Rossignol)Feb. 10, 2023, 8:21 p.m.2000
Kurt Gebauer (Yokozuna)Feb. 11, 2023, 12:20 a.m.2000
Dr. Peter Uelkes (RandyWaterhouse)Feb. 11, 2023, 4:37 p.m.1824
#4Luigi Tomelli (archstanton)Feb. 16, 2023, 3:14 p.m.1547
#5madnessFeb. 17, 2023, 3:42 a.m.1547
#6xiaozhuanFeb. 17, 2023, 11:39 p.m.1523
#7Michael (FoM)Feb. 20, 2023, 5:57 p.m.1469
#8Alain Collignon (vexilla72)Feb. 21, 2023, 8:15 a.m.1469
#9George (Theofanidis)Feb. 22, 2023, 8:07 p.m.1444
#10Alain (Integral)Feb. 26, 2023, 2:48 p.m.1406
The Syllabary Cipher – Part 5
Name (Username)DatePoints
madnessNov. 4, 2022, 1:59 a.m.1547
J-L Morel (Rossignol)Nov. 4, 2022, 10:35 a.m.1547
Claude Vaillancourt (Cl3v3r)Nov. 12, 2022, 11:58 p.m.1414
#4sarah b (silva)Nov. 19, 2022, 2:31 p.m.1367
#5Michael (FoM)Nov. 28, 2022, 3:37 a.m.1333
#6George (Theofanidis)Nov. 29, 2022, 9:36 p.m.1327
#7Dr. Peter Uelkes (RandyWaterhouse)Dec. 1, 2022, 7:56 a.m.1324
#8Alain Collignon (vexilla72)Dec. 2, 2022, 7:58 p.m.1318
#9Brian Oberg (BOBTMSJ)Jan. 7, 2023, 10:19 a.m.1256
#10xiaozhuanJan. 10, 2023, 4:21 p.m.1252
The Syllabary Cipher – Part 4
Name (Username)DatePoints
madnessNov. 1, 2022, 4:56 p.m.1613
J-L Morel (Rossignol)Nov. 12, 2022, 5:04 p.m.1414
Claude Vaillancourt (Cl3v3r)Nov. 12, 2022, 6:45 p.m.1414
#4Michael (FoM)Nov. 14, 2022, 2:40 p.m.1398
#5Dr. Peter Uelkes (RandyWaterhouse)Nov. 30, 2022, 8:21 a.m.1327
#6George (Theofanidis)Nov. 30, 2022, 7:56 p.m.1324
#7Alain Collignon (vexilla72)Dec. 2, 2022, 10:42 p.m.1318
#8sarah b (silva)Dec. 10, 2022, 11:30 a.m.1300
#9Brian Oberg (BOBTMSJ)Jan. 7, 2023, 8:17 a.m.1256
#10xiaozhuanJan. 10, 2023, 4:21 p.m.1252
The Syllabary Cipher – Part 3
Name (Username)DatePoints
Viktor (Veselovský)Oct. 28, 2022, 5:57 p.m.2000
Hans Peter (hanspeter)Oct. 29, 2022, 1:37 p.m.1824
Dominik M. (Sgt. Pepper)Oct. 30, 2022, 9:57 p.m.1725
#4J-L Morel (Rossignol)Nov. 1, 2022, 12:18 p.m.1660
#5madnessNov. 2, 2022, 4:40 p.m.1576
#6Michael (FoM)Nov. 8, 2022, 11:17 p.m.1456
#7Alain (Integral)Nov. 9, 2022, 4:19 p.m.1444
#8Claude Vaillancourt (Cl3v3r)Nov. 12, 2022, 5:05 p.m.1414
#9sarah b (silva)Nov. 18, 2022, 8:34 p.m.1373
#10Klaus (&thenselonlevent)Nov. 21, 2022, 9:21 p.m.1357
The Syllabary Cipher – Part 2
Name (Username)DatePoints
Viktor (Veselovský)Oct. 28, 2022, 5:35 p.m.2000
J-L Morel (Rossignol)Oct. 31, 2022, 5:41 p.m.1660
madnessNov. 1, 2022, 11:15 a.m.1660
#4Michael (FoM)Nov. 1, 2022, 3:58 p.m.1613
#5Hans Peter (hanspeter)Nov. 2, 2022, 7:07 p.m.1576
#6Alain Collignon (vexilla72)Nov. 4, 2022, 9:38 a.m.1547
#7Alain (Integral)Nov. 4, 2022, 3:04 p.m.1523
#8George (Theofanidis)Nov. 5, 2022, 3:52 a.m.1523
#9xiaozhuanNov. 5, 2022, 3:15 p.m.1502
#10Armin Krauss (argh)Nov. 5, 2022, 9:02 p.m.1502
The Syllabary Cipher – Part 1
Name (Username)DatePoints
H. Lautenschlager (helmi)Oct. 28, 2022, 2:20 p.m.200
Kurt Gebauer (Yokozuna)Oct. 28, 2022, 2:25 p.m.200
George (Theofanidis)Oct. 28, 2022, 2:34 p.m.200
#4Alain Collignon (vexilla72)Oct. 28, 2022, 2:44 p.m.200
#5Armin Krauss (argh)Oct. 28, 2022, 3:59 p.m.200
#6Eric (ExAstris)Oct. 28, 2022, 4:06 p.m.200
#7Hans Peter (hanspeter)Oct. 28, 2022, 4:41 p.m.200
#8Fabian (XP-72)Oct. 28, 2022, 5:08 p.m.200
#9Viktor (Veselovský)Oct. 28, 2022, 5:31 p.m.200
#10Dominik M. (Sgt. Pepper)Oct. 28, 2022, 7:05 p.m.200
Merkle-Hellman Knapsack Challenge — Part 2
Name (Username)DatePoints
Viktor (Veselovský)Oct. 15, 2022, 12:39 a.m.2000
Armin Krauss (argh)Oct. 15, 2022, 2:34 p.m.2000
Dominik M. (Sgt. Pepper)Oct. 16, 2022, 7:19 p.m.1725
#4PolarisOct. 18, 2022, 4:37 p.m.1660
#5madnessOct. 19, 2022, 10:31 p.m.1576
#6Kurt Gebauer (Yokozuna)Oct. 21, 2022, 2:51 p.m.1547
#7Eric (ExAstris)Oct. 24, 2022, 11:24 p.m.1469
#8Michael (FoM)Oct. 26, 2022, 12:17 p.m.1456
#9Alain (Integral)Oct. 26, 2022, 12:42 p.m.1456
#10George (Theofanidis)Nov. 8, 2022, 5:34 p.m.1353
Merkle-Hellman Knapsack Challenge - Part 1
Name (Username)DatePoints
PolarisOct. 14, 2022, 8:11 p.m.200
Viktor (Veselovský)Oct. 14, 2022, 8:49 p.m.200
Kurt Gebauer (Yokozuna)Oct. 15, 2022, 2:20 a.m.200
#4Silvia Kortmann (mikinsget)Oct. 15, 2022, 4:31 a.m.200
#5Armin Krauss (argh)Oct. 15, 2022, 11:51 a.m.200
#6George (Theofanidis)Oct. 15, 2022, 9:21 p.m.150
#7Miguel Angel Urbina Solis (Siphedrion)Oct. 15, 2022, 9:26 p.m.150
#8H. Lautenschlager (helmi)Oct. 16, 2022, 12:48 p.m.150
#9Dominik M. (Sgt. Pepper)Oct. 16, 2022, 5:14 p.m.150
#10Alain Collignon (vexilla72)Oct. 18, 2022, 9:19 a.m.125
Hill Cipher
Name (Username)DatePoints
Dominik M. (Sgt. Pepper)Sept. 11, 2022, 2:50 p.m.1523
PolarisSept. 11, 2022, 11:50 p.m.1523
Kurt Gebauer (Yokozuna)Sept. 16, 2022, 12:15 a.m.1456
#4Michael (FoM)Sept. 20, 2022, 10:24 p.m.1406
#5madnessOct. 23, 2022, 7:20 p.m.1286
#6Viktor (Veselovský)Oct. 26, 2022, 8:50 p.m.1281
#7Alain (Integral)Oct. 31, 2022, 9:30 a.m.1273
#8J-L Morel (Rossignol)Nov. 9, 2022, 9:15 p.m.1261
#9George (Theofanidis)Dec. 7, 2022, 9:24 p.m.1235
#10Luigi Tomelli (archstanton)Jan. 18, 2023, 3:44 p.m.1210
Alberti Challenge — Part 2
Name (Username)DatePoints
George Lasry (george4096)May 27, 2022, 10:27 p.m.1433
Eugene (lim0n)May 29, 2022, 2:38 p.m.1414
George (Theofanidis)June 2, 2022, 7:43 p.m.1385
#4Michael (FoM)July 16, 2022, 12:16 a.m.1266
#5madnessAug. 13, 2022, 11:44 p.m.1237
#6PolarisAug. 23, 2022, 5:02 p.m.1229
#7Alain (Integral)Oct. 28, 2022, 10:49 a.m.1198
#8J-L Morel (Rossignol)Nov. 18, 2022, 5:28 p.m.1191
#9Somebody (Achidutzu)June 11, 2023, 6:02 a.m.1154
Alberti Challenge — Part 1
Name (Username)DatePoints
Viktor (Veselovský)March 26, 2022, 10:01 p.m.200
Kurt Gebauer (Yokozuna)March 26, 2022, 11:45 p.m.200
George (Theofanidis)March 27, 2022, 12:24 a.m.200
#4H. Lautenschlager (helmi)March 27, 2022, 1:02 p.m.200
#5Armin Krauss (argh)March 27, 2022, 1:25 p.m.200
#6Eugene (lim0n)March 27, 2022, 2:19 p.m.200
#7Silvia Kortmann (mikinsget)March 27, 2022, 2:59 p.m.200
#8Michael Möller (michaelm)March 27, 2022, 6:18 p.m.200
#9Nofre Tete (noffi)March 27, 2022, 11:41 p.m.150
#10Alain Collignon (vexilla72)March 28, 2022, 9:09 a.m.150
Modified Vigenère Cipher
Name (Username)DatePoints
Alain Collignon (vexilla72)Jan. 28, 2022, 9:04 p.m.1613
Michael (FoM)Feb. 9, 2022, 12:57 p.m.1406
sarah b (silva)Feb. 19, 2022, 10:05 p.m.1349
#4George (Theofanidis)Feb. 20, 2022, 1:08 a.m.1349
#5Dominik M. (Sgt. Pepper)April 19, 2022, 4:49 p.m.1242
#6George Lasry (george4096)May 7, 2022, 4:30 p.m.1228
#7Dr. Peter Uelkes (RandyWaterhouse)May 17, 2022, 1:09 p.m.1222
#8PolarisAug. 27, 2022, 2:14 p.m.1183
#9madnessAug. 29, 2022, 10:02 p.m.1183
#10J-L Morel (Rossignol)Jan. 14, 2023, 6:30 p.m.1158
The SZ42 Challenge — Part 13
Name (Username)DatePoints
Eugene (lim0n)Oct. 7, 2021, 8:44 a.m.2000
Kurt Gebauer (Yokozuna)Oct. 7, 2021, 11:44 p.m.1824
George (Theofanidis)Oct. 8, 2021, 11:29 p.m.1725
#4Scombes (jerva)Oct. 24, 2021, 10:32 a.m.1398
#5Luigi Tomelli (archstanton)March 11, 2022, 4:01 p.m.1202
#6Dr. Peter Uelkes (RandyWaterhouse)April 19, 2022, 8:02 a.m.1189
#7Mike (RogueRamblers)May 24, 2022, 7:05 p.m.1180
#8George Lasry (george4096)June 3, 2022, 8:30 p.m.1178
The SZ42 Challenge — Part 12
Name (Username)DatePoints
Eugene (lim0n)Oct. 7, 2021, 7:12 a.m.2000
Kurt Gebauer (Yokozuna)Oct. 7, 2021, 10:19 p.m.1824
George (Theofanidis)Oct. 8, 2021, 8:26 p.m.1725
#4Scombes (jerva)Oct. 23, 2021, 1:48 p.m.1398
#5George Lasry (george4096)Jan. 5, 2022, 12:01 a.m.1238
#6Luigi Tomelli (archstanton)March 10, 2022, 4:49 p.m.1202
#7Dr. Peter Uelkes (RandyWaterhouse)April 19, 2022, 2:35 p.m.1189
#8Mike (RogueRamblers)May 24, 2022, 10:13 p.m.1180
#9J-L Morel (Rossignol)Jan. 22, 2023, 4:59 p.m.1146
SIGABA CSP-2900 — Part 3
Name (Username)DatePoints
Scombes (jerva)Aug. 1, 2021, 9:36 a.m.20000
George Lasry (george4096)Aug. 2, 2021, 1:04 p.m.19236
SIGABA CSP-2900 — Part 2
Name (Username)DatePoints
Scombes (jerva)Aug. 1, 2021, 3:13 p.m.2000
George Lasry (george4096)Aug. 3, 2021, 6:31 a.m.1725
SIGABA CSP-2900 — Part 1
Name (Username)DatePoints
Scombes (jerva)Aug. 2, 2021, 1:47 a.m.1824
George Lasry (george4096)Aug. 3, 2021, 9:42 a.m.1725
SIGABA CSP-889 — Part 3
Name (Username)DatePoints
George Lasry (george4096)June 1, 2021, 9:12 p.m.20000
Scombes (jerva)June 2, 2021, 12:03 p.m.20000
SIGABA CSP-889 — Part 2
Name (Username)DatePoints
Scombes (jerva)June 3, 2021, 6:45 a.m.1824
George Lasry (george4096)June 5, 2021, 2:08 p.m.1613
SIGABA CSP-889 — Part 1
Name (Username)DatePoints
Scombes (jerva)June 2, 2021, 10:40 a.m.2000
George Lasry (george4096)June 3, 2021, 10:50 p.m.1725
Wheatstone Cryptograph — Part 2
Name (Username)DatePoints
Eugene (lim0n)May 21, 2021, 7:56 p.m.2000
Kurt Gebauer (Yokozuna)May 22, 2021, 1:51 a.m.2000
George Lasry (george4096)May 27, 2021, 9:18 p.m.1547
#4sarah b (silva)June 23, 2021, 3:32 p.m.1324
#5Bart den Hartog (Bart13)Oct. 21, 2021, 2:17 p.m.1203
#6J-L Morel (Rossignol)Nov. 2, 2021, 3:52 p.m.1198
#7George (Theofanidis)Dec. 29, 2021, 1:54 p.m.1182
#8Gerd Wilts (gerdw)Jan. 13, 2022, 2:12 p.m.1178
#9Mike (RogueRamblers)April 30, 2022, 1:13 a.m.1160
#10Dr. Peter Uelkes (RandyWaterhouse)May 30, 2022, 2:53 p.m.1156
Wheatstone Cryptograph — Part 1
Name (Username)DatePoints
Em Doulgerakis (Greko)April 21, 2021, 11:31 p.m.200
Armin Krauss (argh)April 21, 2021, 11:36 p.m.200
Kurt Gebauer (Yokozuna)April 22, 2021, 2:19 a.m.200
#4Viktor (Veselovský)April 22, 2021, 2:20 a.m.200
#5Eric (ExAstris)April 22, 2021, 6:01 a.m.200
#6Eugene (lim0n)April 22, 2021, 12:34 p.m.200
#7gordon (sir5)April 22, 2021, 12:55 p.m.200
#8H. Lautenschlager (helmi)April 22, 2021, 2:01 p.m.200
#9Alain Collignon (vexilla72)April 22, 2021, 3:14 p.m.200
#10Michael Möller (michaelm)April 22, 2021, 7:50 p.m.150
The SZ42 Challenge — Part 11
Name (Username)DatePoints
George Lasry (george4096)Feb. 19, 2021, 2:58 p.m.1385
Kurt Gebauer (Yokozuna)March 11, 2021, 11:39 a.m.1307
Eugene (lim0n)April 1, 2021, 8:15 a.m.1269
#4Luigi Tomelli (archstanton)March 18, 2022, 5:06 p.m.1152
The SZ42 Challenge — Part 10
Name (Username)DatePoints
Eugene (lim0n)Jan. 30, 2021, 5:18 p.m.2000
Kurt Gebauer (Yokozuna)Jan. 30, 2021, 5:40 p.m.2000
George Lasry (george4096)Feb. 2, 2021, 7:40 p.m.1660
#4Luigi Tomelli (archstanton)March 9, 2022, 5:13 p.m.1153
#5PolarisOct. 13, 2022, 9:08 p.m.1135
Find the right route — Part 3
Name (Username)DatePoints
Dominik M. (Sgt. Pepper)Dec. 26, 2020, 7:53 p.m.200
Eugene (lim0n)Dec. 27, 2020, 1:56 p.m.200
Armin Krauss (argh)Dec. 27, 2020, 3:51 p.m.200
#4Kurt Gebauer (Yokozuna)Dec. 27, 2020, 5:23 p.m.200
#5S (Zyphe)Dec. 28, 2020, 8:37 a.m.150
#6Ines (bufo01)Dec. 28, 2020, 3:15 p.m.150
#7Michael (FoM)Dec. 30, 2020, 2:32 a.m.125
#8sarah b (silva)Jan. 8, 2021, 3:35 p.m.108
#9George (Theofanidis)Jan. 8, 2021, 7:40 p.m.107
#10Em Doulgerakis (Greko)Jan. 9, 2021, 1:39 p.m.107
Find the right route — Part 2
Name (Username)DatePoints
S (Zyphe)Dec. 19, 2020, 8:13 p.m.200
Dominik M. (Sgt. Pepper)Dec. 19, 2020, 8:13 p.m.200
Eugene (lim0n)Dec. 20, 2020, 12:44 p.m.200
#4Em Doulgerakis (Greko)Dec. 27, 2020, 7:25 p.m.111
#5Ines (bufo01)Dec. 28, 2020, 12:33 p.m.111
#6Michael (FoM)Dec. 29, 2020, 1:11 a.m.110
#7sarah b (silva)Jan. 3, 2021, 10:33 a.m.107
#8George (Theofanidis)Jan. 3, 2021, 8:42 p.m.106
#9D3d4lu5Jan. 24, 2021, 9:21 p.m.103
#10Daniel Richter (TheHiveMind)Feb. 7, 2021, 10:01 p.m.102
The SZ42 Challenge — Part 9
Name (Username)DatePoints
Kurt Gebauer (Yokozuna)Dec. 19, 2020, 6:28 p.m.2000
Eugene (lim0n)Dec. 20, 2020, 11:05 a.m.2000
H. Lautenschlager (helmi)Jan. 1, 2021, 11:23 a.m.1444
#4George Lasry (george4096)May 27, 2021, 9:20 p.m.1200
#5zuben c3 (zuben-c3)July 25, 2021, 1:03 p.m.1183
#6George (Theofanidis)Aug. 16, 2021, 2:18 a.m.1178
#7Luigi Tomelli (archstanton)Feb. 26, 2022, 4:32 p.m.1150
#8J-L Morel (Rossignol)March 18, 2022, 6:03 p.m.1148
#9Dr. Peter Uelkes (RandyWaterhouse)April 8, 2022, 7:04 a.m.1146
#10Mike (RogueRamblers)May 19, 2022, 5:37 p.m.1142
The SZ42 Challenge — Part 8
Name (Username)DatePoints
Eugene (lim0n)Oct. 31, 2020, 8:54 p.m.2000
Kurt Gebauer (Yokozuna)Oct. 31, 2020, 9:34 p.m.2000
H. Lautenschlager (helmi)Nov. 1, 2020, 12:38 a.m.2000
#4Snake (snk)Nov. 11, 2020, 9:46 p.m.1456
#5George Lasry (george4096)Nov. 21, 2020, 5:53 p.m.1373
#6George (Theofanidis)July 15, 2021, 5:11 a.m.1174
#7zuben c3 (zuben-c3)July 24, 2021, 6:20 p.m.1172
#8J-L Morel (Rossignol)Feb. 24, 2022, 11:38 a.m.1145
#9Luigi Tomelli (archstanton)Feb. 25, 2022, 2:24 p.m.1145
#10Dr. Peter Uelkes (RandyWaterhouse)March 16, 2022, 8:02 a.m.1144
Find the right route — Part 1
Name (Username)DatePoints
Dominik M. (Sgt. Pepper)Oct. 27, 2020, 5:54 p.m.200
Armin Krauss (argh)Oct. 27, 2020, 7:01 p.m.200
Kurt Gebauer (Yokozuna)Oct. 27, 2020, 8:13 p.m.200
#4Snake (snk)Oct. 27, 2020, 8:36 p.m.200
#5H. Lautenschlager (helmi)Oct. 27, 2020, 10:42 p.m.200
#6Derek Hatton (alfred_noble)Oct. 28, 2020, 1:45 a.m.200
#7S (Zyphe)Oct. 28, 2020, 8:56 a.m.200
#8Ines (bufo01)Oct. 28, 2020, 9:04 a.m.200
#9Eugene (lim0n)Oct. 28, 2020, 9:35 a.m.200
#10sarah b (silva)Oct. 28, 2020, 10:18 a.m.200
The SZ42 Challenge — Part 7
Name (Username)DatePoints
Kurt Gebauer (Yokozuna)Oct. 27, 2020, 7:33 p.m.2000
Eugene (lim0n)Oct. 28, 2020, 6:31 a.m.2000
George Lasry (george4096)Nov. 21, 2020, 5:18 p.m.1353
#4H. Lautenschlager (helmi)Nov. 26, 2020, 7:24 p.m.1333
#5George (Theofanidis)July 18, 2021, 3:54 p.m.1173
#6zuben c3 (zuben-c3)July 23, 2021, 7:05 p.m.1172
#7J-L Morel (Rossignol)Feb. 24, 2022, 11:08 a.m.1145
#8Luigi Tomelli (archstanton)Feb. 25, 2022, 2:05 p.m.1145
#9Dr. Peter Uelkes (RandyWaterhouse)March 17, 2022, 8:33 a.m.1143
#10Mike (RogueRamblers)May 19, 2022, 12:51 a.m.1139
The SZ42 Challenge — Part 6
Name (Username)DatePoints
Kurt Gebauer (Yokozuna)Oct. 2, 2020, 9:03 p.m.2000
Eugene (lim0n)Oct. 3, 2020, 2:07 p.m.2000
Nicolas (nicosPavlov)Oct. 3, 2020, 4:38 p.m.2000
#4H. Lautenschlager (helmi)Oct. 3, 2020, 5 p.m.2000
#5George Lasry (george4096)Nov. 21, 2020, 5:07 p.m.1286
#6zuben c3 (zuben-c3)July 17, 2021, 11:08 p.m.1168
#7George (Theofanidis)July 28, 2021, 9:08 p.m.1167
#8J-L Morel (Rossignol)Feb. 23, 2022, 5:27 p.m.1143
#9Luigi Tomelli (archstanton)Feb. 24, 2022, 2:02 p.m.1143
#10Dr. Peter Uelkes (RandyWaterhouse)April 9, 2022, 1:41 p.m.1140
The SZ42 Challenge — Part 5
Name (Username)DatePoints
George Lasry (george4096)Sept. 3, 2020, 4:19 p.m.2000
H. Lautenschlager (helmi)Sept. 3, 2020, 6:21 p.m.2000
Eugene (lim0n)Sept. 3, 2020, 8:26 p.m.2000
#4Nicolas (nicosPavlov)Sept. 4, 2020, 10:44 a.m.2000
#5Kurt Gebauer (Yokozuna)Sept. 4, 2020, 11:33 a.m.2000
#6Snake (snk)Sept. 4, 2020, 6:20 p.m.1824
#7zuben c3 (zuben-c3)July 16, 2021, 9:53 p.m.1164
#8George (Theofanidis)July 17, 2021, 12:04 a.m.1164
#9Luigi Tomelli (archstanton)Feb. 22, 2022, 5:02 p.m.1141
#10J-L Morel (Rossignol)Feb. 22, 2022, 6:04 p.m.1141
The SZ42 Challenge — Part 4
Name (Username)DatePoints
Kurt Gebauer (Yokozuna)Aug. 30, 2020, 12:14 a.m.2000
Eugene (lim0n)Aug. 30, 2020, 12:42 p.m.2000
H. Lautenschlager (helmi)Aug. 30, 2020, 12:53 p.m.2000
#4George Lasry (george4096)Aug. 30, 2020, 5:19 p.m.2000
#5Armin Krauss (argh)Sept. 1, 2020, 9:57 p.m.1725
#6Nicolas (nicosPavlov)Sept. 3, 2020, 5:10 a.m.1613
#7Snake (snk)Sept. 4, 2020, 6:19 p.m.1576
#8George (Theofanidis)July 16, 2021, 10:52 a.m.1163
#9zuben c3 (zuben-c3)July 16, 2021, 9:23 p.m.1163
#10Luigi Tomelli (archstanton)Feb. 22, 2022, 4:49 p.m.1140
The SZ42 Challenge — Part 3
Name (Username)DatePoints
Kurt Gebauer (Yokozuna)Aug. 15, 2020, 11:28 p.m.2000
Nicolas (nicosPavlov)Aug. 16, 2020, 7:01 a.m.2000
H. Lautenschlager (helmi)Aug. 16, 2020, 11:31 a.m.2000
#4Eugene (lim0n)Aug. 16, 2020, 12:35 p.m.2000
#5Dominik M. (Sgt. Pepper)Aug. 16, 2020, 7:10 p.m.2000
#6Armin Krauss (argh)Aug. 17, 2020, 9:42 p.m.1725
#7George Lasry (george4096)Aug. 21, 2020, 9:02 p.m.1576
#8zuben c3 (zuben-c3)July 14, 2021, 1:29 p.m.1162
#9J-L Morel (Rossignol)Feb. 15, 2022, 9:19 a.m.1140
#10Luigi Tomelli (archstanton)Feb. 16, 2022, 7:29 p.m.1140
The SZ42 Challenge — Part 2
Name (Username)DatePoints
George Lasry (george4096)Aug. 5, 2020, 5:05 p.m.2000
Armin Krauss (argh)Aug. 5, 2020, 8:46 p.m.2000
Eugene (lim0n)Aug. 5, 2020, 9:28 p.m.2000
#4Dominik M. (Sgt. Pepper)Aug. 5, 2020, 11:18 p.m.2000
#5Kurt Gebauer (Yokozuna)Aug. 5, 2020, 11:56 p.m.2000
#6H. Lautenschlager (helmi)Aug. 15, 2020, 12:53 p.m.1485
#7Nicolas (nicosPavlov)Aug. 15, 2020, 3:15 p.m.1485
#8Scombes (jerva)Sept. 20, 2020, 8:55 p.m.1292
#9Random Dude (rnd)April 3, 2021, 3:40 p.m.1178
#10zuben c3 (zuben-c3)July 14, 2021, 12:02 p.m.1160
The SZ42 Challenge — Part 1
Name (Username)DatePoints
Eugene (lim0n)July 23, 2020, 4:28 p.m.2000
Armin Krauss (argh)July 23, 2020, 7:34 p.m.2000
Dominik M. (Sgt. Pepper)July 27, 2020, 2:04 p.m.1613
#4Nicolas (nicosPavlov)July 28, 2020, 11:57 a.m.1576
#5George Lasry (george4096)July 29, 2020, 10:48 a.m.1547
#6Kurt Gebauer (Yokozuna)July 30, 2020, 5:36 p.m.1523
#7H. Lautenschlager (helmi)Aug. 13, 2020, 8:47 p.m.1373
#8Scombes (jerva)Sept. 20, 2020, 10:56 a.m.1270
#9Random Dude (rnd)April 3, 2021, 3:07 a.m.1175
#10zuben c3 (zuben-c3)July 13, 2021, 4:40 p.m.1158
Lightweight Introduction to Lattices — Part 3
Name (Username)DatePoints
Dominik M. (Sgt. Pepper)July 16, 2020, 1:39 p.m.2000
S (Zyphe)July 16, 2020, 2:13 p.m.2000
Kurt Gebauer (Yokozuna)July 16, 2020, 2:34 p.m.2000
#4H. Lautenschlager (helmi)July 16, 2020, 2:42 p.m.2000
#5Snake (snk)July 16, 2020, 3:07 p.m.2000
#6Viktor (Veselovský)July 16, 2020, 10 p.m.2000
#7Eugene (lim0n)July 16, 2020, 10:58 p.m.2000
#8Armin Krauss (argh)July 17, 2020, 12:56 p.m.2000
#9Alain Collignon (vexilla72)July 17, 2020, 6:39 p.m.1824
#10George (Theofanidis)July 17, 2020, 7:54 p.m.1824
Lightweight Introduction to Lattices — Part 2
Name (Username)DatePoints
Kurt Gebauer (Yokozuna)June 24, 2020, 1:42 a.m.200
S (Zyphe)June 24, 2020, 9:52 a.m.200
Dominik M. (Sgt. Pepper)June 24, 2020, 9:55 a.m.200
#4Armin Krauss (argh)June 24, 2020, 10 a.m.200
#5Snake (snk)June 24, 2020, 10:36 a.m.200
#6H. Lautenschlager (helmi)June 24, 2020, 11:27 a.m.200
#7Eugene (lim0n)June 24, 2020, 11:44 a.m.200
#8Alain Collignon (vexilla72)June 24, 2020, 12:58 p.m.200
#9Bernd (tryone144)June 25, 2020, 6:58 p.m.150
#10Viktor (Veselovský)June 28, 2020, 11:13 a.m.120
Lightweight Introduction to Lattices — Part 1
Name (Username)DatePoints
Dominik M. (Sgt. Pepper)May 16, 2020, 4:52 p.m.200
Snake (snk)May 16, 2020, 8:07 p.m.200
Armin Krauss (argh)May 16, 2020, 8:32 p.m.200
#4Eugene (lim0n)May 17, 2020, 12:10 p.m.200
#5Viktor (Veselovský)May 17, 2020, 2:15 p.m.200
#6Nofre Tete (noffi)May 18, 2020, 12:57 a.m.150
#7Mike (RogueRamblers)May 18, 2020, 10:27 p.m.133
#8sarah b (silva)May 20, 2020, 8:02 p.m.120
#9George (Theofanidis)May 21, 2020, 10:11 p.m.117
#10Paula Olsen (paol)May 22, 2020, 11:18 a.m.117
The Heavy T52 Sturgeon Challenge — Part 9
Name (Username)DatePoints
Michael Möller (michaelm)July 22, 2020, 7:22 a.m.15245
George Lasry (george4096)Nov. 1, 2021, 9:53 a.m.13987
madnessSept. 24, 2023, 3:06 p.m.13564
The Heavy T52 Sturgeon Challenge — Part 7
Name (Username)DatePoints
Michael Möller (michaelm)May 10, 2020, 8:53 p.m.16645
Nicolas (nicosPavlov)Sept. 15, 2020, 2:25 p.m.14822
Scombes (jerva)Jan. 10, 2021, 2:34 p.m.14427
#4George Lasry (george4096)Oct. 31, 2021, 12:29 p.m.13980
#5George (Theofanidis)Sept. 6, 2022, 1:45 a.m.13745
#6Kurt Gebauer (Yokozuna)May 10, 2023, 1:15 a.m.13619
#7madnessSept. 10, 2023, 3:45 p.m.13567
The Heavy T52 Sturgeon Challenge — Part 6
Name (Username)DatePoints
Michael Möller (michaelm)Oct. 19, 2020, 9:11 a.m.14677
George Lasry (george4096)Oct. 31, 2021, 12:23 p.m.13980
Scombes (jerva)March 26, 2023, 10:31 p.m.13638
#4Kurt Gebauer (Yokozuna)May 22, 2023, 2:58 p.m.13613
#5madnessSept. 19, 2023, 3:10 a.m.13564
The Heavy T52 Sturgeon Challenge — Part 5
Name (Username)DatePoints
Kurt Gebauer (Yokozuna)April 23, 2020, 11:55 p.m.18745
Nicolas (nicosPavlov)Sept. 12, 2020, 2:33 p.m.14827
George Lasry (george4096)Oct. 31, 2021, 12:17 p.m.13978
#4George (Theofanidis)Nov. 28, 2022, 12:01 a.m.13697
#5Scombes (jerva)May 7, 2023, 10:05 a.m.13619
#6madnessSept. 3, 2023, 5:38 p.m.13569
The Heavy T52 Sturgeon Challenge — Part 4
Name (Username)DatePoints
Michael Möller (michaelm)April 20, 2020, 4:19 p.m.17893
Kurt Gebauer (Yokozuna)April 20, 2020, 9:51 p.m.17893
George Lasry (george4096)May 2, 2020, 11:16 a.m.16705
#4Nicolas (nicosPavlov)Aug. 19, 2020, 6:43 a.m.14928
#5Scombes (jerva)May 14, 2023, 11:09 a.m.13613
#6madnessSept. 6, 2023, 9:41 p.m.13566
Polyhomophonic Substitution — Part 3
Name (Username)DatePoints
Armin Krauss (argh)April 6, 2020, 10:29 p.m.2000
Snake (snk)April 7, 2020, 8:54 a.m.2000
Thomas (Thomas4897)April 7, 2020, 2:25 p.m.2000
#4Dominik M. (Sgt. Pepper)April 7, 2020, 2:59 p.m.2000
#5Kurt Gebauer (Yokozuna)April 7, 2020, 3:25 p.m.2000
#6Viktor (Veselovský)April 7, 2020, 3:49 p.m.2000
#7J-L Morel (Rossignol)April 20, 2020, 11:01 a.m.1433
#8D3d4lu5May 6, 2020, 6:16 p.m.1337
#9George Lasry (george4096)May 14, 2020, 11:52 p.m.1310
#10Norbert Biermann (Norbert)May 27, 2020, 3:29 p.m.1284
The SIGABA Challenge — Part 6
Name (Username)DatePoints
Scombes (jerva)Feb. 7, 2021, 9:35 p.m.14326
Polyhomophonic Substitution — Part 2
Name (Username)DatePoints
Snake (snk)March 28, 2020, 5:30 p.m.2000
Armin Krauss (argh)March 28, 2020, 10:07 p.m.2000
Kurt Gebauer (Yokozuna)March 28, 2020, 10:26 p.m.2000
#4Alain Collignon (vexilla72)March 28, 2020, 11:11 p.m.2000
#5Dominik M. (Sgt. Pepper)March 29, 2020, 3:46 a.m.2000
#6J-L Morel (Rossignol)March 29, 2020, noon2000
#7Viktor (Veselovský)March 29, 2020, 12:49 p.m.2000
#8Eugene (lim0n)March 29, 2020, 2:49 p.m.2000
#9Thomas (Thomas4897)March 29, 2020, 5:36 p.m.1824
#10sarah b (silva)March 29, 2020, 9:05 p.m.1824
The SIGABA Challenge — Part 5
Name (Username)DatePoints
Scombes (jerva)March 26, 2020, 1:34 p.m.20000
Snake (snk)March 26, 2020, 9:39 p.m.20000
Polyhomophonic Substitution — Part 1
Name (Username)DatePoints
Viktor (Veselovský)March 22, 2020, 8:47 a.m.200
Eugene (lim0n)March 22, 2020, 10:06 a.m.200
Snake (snk)March 22, 2020, 10:09 a.m.200
#4Dominik M. (Sgt. Pepper)March 22, 2020, 12:48 p.m.200
#5Kurt Gebauer (Yokozuna)March 22, 2020, 4:33 p.m.200
#6Alain Collignon (vexilla72)March 22, 2020, 7:51 p.m.200
#7Armin Krauss (argh)March 22, 2020, 8:28 p.m.200
#8Michael Möller (michaelm)March 22, 2020, 8:48 p.m.200
#9sarah b (silva)March 23, 2020, 3:05 p.m.150
#10S (Zyphe)March 23, 2020, 5:35 p.m.150
The SIGABA Challenge — Part 4
Name (Username)DatePoints
Scombes (jerva)March 17, 2020, 8:56 p.m.20000
Snake (snk)March 21, 2020, 5:08 p.m.18390
D3d4lu5April 8, 2020, 6:24 p.m.16438
#4Nicolas (nicosPavlov)Nov. 17, 2020, 9:28 a.m.14472
#5Em Doulgerakis (Greko)May 10, 2021, 11:47 a.m.14143
The SIGABA Challenge — Part 3
Name (Username)DatePoints
Scombes (jerva)March 11, 2020, 10:43 p.m.20000
Kurt Gebauer (Yokozuna)March 15, 2020, 7:50 a.m.18390
Snake (snk)March 21, 2020, 7:19 p.m.17290
#4D3d4lu5March 26, 2020, 5:58 p.m.16839
#5Nicolas (nicosPavlov)Aug. 24, 2020, 4:19 a.m.14732
#6Em Doulgerakis (Greko)April 18, 2021, 10:38 p.m.14164
The SIGABA Challenge — Part 2
Name (Username)DatePoints
Scombes (jerva)March 5, 2020, 11:35 p.m.2000
Kurt Gebauer (Yokozuna)March 11, 2020, 11:19 a.m.1576
Dominik M. (Sgt. Pepper)March 21, 2020, 7:54 p.m.1406
#4Snake (snk)March 21, 2020, 9:49 p.m.1406
#5D3d4lu5March 26, 2020, 5:57 p.m.1378
#6Nicolas (nicosPavlov)Aug. 16, 2020, 5:07 a.m.1199
#7Eugene (lim0n)Sept. 10, 2020, 10:24 p.m.1190
#8Em Doulgerakis (Greko)April 17, 2021, 4:43 p.m.1152
#9Michael (FoM)Feb. 4, 2023, 3:12 a.m.1116
The SIGABA Challenge — Part 1
Name (Username)DatePoints
Scombes (jerva)Feb. 29, 2020, 5:14 p.m.2000
Dominik M. (Sgt. Pepper)March 6, 2020, 2:41 a.m.1576
Kurt Gebauer (Yokozuna)March 8, 2020, 5:38 a.m.1523
#4Snake (snk)March 21, 2020, 2:15 p.m.1373
#5D3d4lu5March 26, 2020, 5:55 p.m.1349
#6Nicolas (nicosPavlov)Aug. 13, 2020, 1:47 p.m.1198
#7Eugene (lim0n)Sept. 6, 2020, 6:11 p.m.1190
#8Em Doulgerakis (Greko)April 6, 2021, 9:39 a.m.1153
#9Michael Möller (michaelm)Aug. 31, 2021, 9:40 p.m.1140
#10Michael (FoM)Jan. 19, 2023, 1:39 a.m.1116
The LoRa Cipher: Logic Randomness — Part 1
Name (Username)DatePoints
Viktor (Veselovský)Feb. 19, 2020, 10:35 p.m.2000
Kurt Gebauer (Yokozuna)Feb. 20, 2020, 2:32 a.m.2000
Dominik M. (Sgt. Pepper)Feb. 20, 2020, 4:28 a.m.2000
#4Eugene (lim0n)Feb. 20, 2020, 8:26 a.m.2000
#5Alain Collignon (vexilla72)Feb. 20, 2020, 8:50 a.m.2000
#6madnessFeb. 20, 2020, 4:41 p.m.2000
#7Snake (snk)Feb. 20, 2020, 5:26 p.m.2000
#8Armin Krauss (argh)Feb. 20, 2020, 8:27 p.m.2000
#9Derek Hatton (alfred_noble)Feb. 24, 2020, 5:03 p.m.1613
#10Mir Dim (mir0soft)Feb. 25, 2020, 7:51 a.m.1576
Differential Cryptanalysis — Part 2
Name (Username)DatePoints
Eugene (lim0n)Jan. 29, 2020, 5:52 a.m.2000
Dominik M. (Sgt. Pepper)Jan. 29, 2020, 11:13 a.m.2000
Kurt Gebauer (Yokozuna)Jan. 30, 2020, 12:15 a.m.1824
#4Christian Schürch (hulk)March 18, 2023, 10:07 a.m.1114
Polyphonic Substitution Cipher — Part 2
Name (Username)DatePoints
Kurt Gebauer (Yokozuna)Jan. 14, 2020, 8:46 p.m.2000
Snake (snk)Jan. 14, 2020, 9:48 p.m.2000
Eugene (lim0n)Jan. 15, 2020, 11:18 a.m.2000
#4George Lasry (george4096)Jan. 16, 2020, 12:47 a.m.1824
#5sarah b (silva)Jan. 22, 2020, 11:31 a.m.1523
#6George (Theofanidis)March 4, 2020, 9:43 p.m.1284
#7madnessMarch 7, 2020, 1:38 p.m.1281
#8Thomas (Thomas4897)March 11, 2020, 6:43 p.m.1273
#9Dominik M. (Sgt. Pepper)March 24, 2020, 6:22 p.m.1256
#10Viktor (Veselovský)March 29, 2020, 6:09 p.m.1251
Christmas Challenge 2019: Differential Cryptanalysis — Part 1
Name (Username)DatePoints
Eugene (lim0n)Dec. 26, 2019, 4:31 p.m.1660
Kurt Gebauer (Yokozuna)Dec. 30, 2019, 3:08 a.m.1523
Dominik M. (Sgt. Pepper)Jan. 3, 2020, 6:30 p.m.1456
#4Christian Schürch (hulk)March 18, 2023, 9:48 a.m.1113
Polyphonic Substitution Cipher — Part 1
Name (Username)DatePoints
sarah b (silva)Nov. 22, 2019, 10:56 a.m.2000
Bart den Hartog (Bart13)Nov. 23, 2019, 3:02 p.m.1725
George Lasry (george4096)Nov. 23, 2019, 5:29 p.m.1725
#4Snake (snk)Nov. 23, 2019, 9:47 p.m.1725
#5D3d4lu5Nov. 23, 2019, 10:47 p.m.1725
#6Kurt Gebauer (Yokozuna)Nov. 28, 2019, 2:28 a.m.1547
#7Eugene (lim0n)Dec. 5, 2019, 5:45 p.m.1423
#8Danny Higgins (hamster147)Dec. 18, 2019, 12:49 a.m.1349
#9Random Dude (rnd)Dec. 20, 2019, 6:42 p.m.1337
#10George (Theofanidis)March 1, 2020, 8:01 p.m.1229
Cipher ID — Part 1
Name (Username)DatePoints
Bart den Hartog (Bart13)Nov. 19, 2019, 1:05 p.m.2000
Viktor (Veselovský)Nov. 19, 2019, 2:41 p.m.2000
D3d4lu5Nov. 20, 2019, 12:40 a.m.2000
#4Armin Krauss (argh)Nov. 20, 2019, 10:40 a.m.2000
#5Eugene (lim0n)Nov. 21, 2019, 5:34 p.m.1725
#6George Lasry (george4096)Nov. 22, 2019, 11:30 p.m.1660
#7Kurt Gebauer (Yokozuna)Nov. 23, 2019, 10:20 p.m.1613
#8Snake (snk)Dec. 2, 2019, 11:48 a.m.1444
#9George (Theofanidis)Feb. 2, 2020, 8:21 a.m.1252
#10sarah b (silva)Feb. 6, 2020, 10:29 a.m.1248
The Heavy T52 Sturgeon Challenge — Part 3
Name (Username)DatePoints
Scombes (jerva)Dec. 29, 2020, 6:50 p.m.14126
George Lasry (george4096)Dec. 31, 2020, 12:43 p.m.14125
madnessDec. 6, 2023, 4:04 a.m.13474
The Heavy T52 Sturgeon Challenge — Part 2
Name (Username)DatePoints
George Lasry (george4096)Dec. 20, 2021, 2:14 a.m.13784
Scombes (jerva)Jan. 16, 2022, 3:12 p.m.13766
madnessDec. 3, 2023, 1:39 a.m.13470
The Heavy T52 Sturgeon Challenge — Part 1
Name (Username)DatePoints
George Lasry (george4096)April 25, 2020, 7:03 p.m.14576
madnessAug. 31, 2023, 6:33 a.m.13497
A Cloaked Substitution Cipher — Part 2
Name (Username)DatePoints
D3d4lu5Aug. 26, 2019, 12:10 a.m.2000
Viktor (Veselovský)Aug. 26, 2019, 1:43 a.m.2000
Snake (snk)Aug. 26, 2019, 1:58 a.m.2000
#4Eugene (lim0n)Aug. 26, 2019, 12:30 p.m.2000
#5Kurt Gebauer (Yokozuna)Aug. 26, 2019, 3:17 p.m.2000
#6George (Theofanidis)Aug. 31, 2019, 12:32 a.m.1576
#7Alain Collignon (vexilla72)Sept. 2, 2019, 11:16 a.m.1523
#8sarah b (silva)Sept. 2, 2019, 1:12 p.m.1523
#9Armin Krauss (argh)Sept. 2, 2019, 6:56 p.m.1523
#10Bart den Hartog (Bart13)Sept. 3, 2019, 8:22 a.m.1502
A Cloaked Substitution Cipher — Part 1
Name (Username)DatePoints
Snake (snk)Aug. 21, 2019, 7:03 p.m.2000
D3d4lu5Aug. 21, 2019, 7:03 p.m.2000
Michael Möller (michaelm)Aug. 21, 2019, 11:36 p.m.2000
#4Eugene (lim0n)Aug. 22, 2019, 12:59 p.m.1824
#5Kurt Gebauer (Yokozuna)Aug. 23, 2019, 9:06 a.m.1824
#6Bart den Hartog (Bart13)Aug. 24, 2019, 12:59 a.m.1725
#7Viktor (Veselovský)Aug. 24, 2019, 5:35 p.m.1660
#8George (Theofanidis)Aug. 24, 2019, 7:27 p.m.1660
#9Armin Krauss (argh)Aug. 26, 2019, 4:24 p.m.1576
#10sarah b (silva)Aug. 28, 2019, 12:59 p.m.1523
The T52 Sturgeon Challenge — Part 12
Name (Username)DatePoints
D3d4lu5Aug. 14, 2019, 4:54 p.m.1660
Kurt Gebauer (Yokozuna)Aug. 18, 2019, 3:58 p.m.1523
Michael Möller (michaelm)Jan. 27, 2020, 10:15 p.m.1196
#4Snake (snk)March 23, 2020, 11:23 p.m.1181
#5Nicolas (nicosPavlov)July 28, 2020, 4:06 p.m.1159
#6Scombes (jerva)Dec. 30, 2020, 11:21 p.m.1143
#7Mike (RogueRamblers)June 21, 2021, 1:26 a.m.1132
#8George (Theofanidis)Aug. 22, 2022, 6:35 p.m.1115
#9madnessAug. 25, 2023, 7:40 p.m.1106
The T52 Sturgeon Challenge — Part 11
Name (Username)DatePoints
D3d4lu5Aug. 14, 2019, 5:05 p.m.1660
Kurt Gebauer (Yokozuna)Aug. 18, 2019, 3:58 p.m.1523
Michael Möller (michaelm)Jan. 26, 2020, 10:12 a.m.1197
#4Snake (snk)March 22, 2020, 8:17 p.m.1181
#5Nicolas (nicosPavlov)July 29, 2020, 3:02 a.m.1159
#6Scombes (jerva)Dec. 30, 2020, 4:24 p.m.1143
#7Mike (RogueRamblers)June 21, 2021, 1:20 a.m.1132
#8George (Theofanidis)May 12, 2022, 11:20 p.m.1118
#9madnessAug. 27, 2023, 3:18 a.m.1106
The T52 Sturgeon Challenge — Part 10
Name (Username)DatePoints
Kurt Gebauer (Yokozuna)Aug. 20, 2019, 3:56 a.m.1485
Michael Möller (michaelm)Jan. 23, 2020, 9:42 p.m.1198
Snake (snk)March 23, 2020, 4:25 p.m.1181
#4Nicolas (nicosPavlov)July 24, 2020, 11:17 a.m.1159
#5Scombes (jerva)Dec. 30, 2020, 4:22 p.m.1143
#6Mike (RogueRamblers)July 2, 2022, 3:53 p.m.1116
#7George (Theofanidis)Aug. 31, 2022, 7:26 p.m.1115
#8madnessAug. 26, 2023, 6:22 p.m.1106
The T52 Sturgeon Challenge — Part 9
Name (Username)DatePoints
Kurt Gebauer (Yokozuna)Aug. 21, 2019, 10:34 p.m.1456
Michael Möller (michaelm)Dec. 27, 2019, 10:38 a.m.1209
Snake (snk)March 20, 2020, 5:08 p.m.1181
#4Nicolas (nicosPavlov)July 23, 2020, 10:42 a.m.1160
#5Scombes (jerva)Jan. 10, 2021, 3:04 p.m.1142
#6Mike (RogueRamblers)July 18, 2021, 2:40 a.m.1130
#7George (Theofanidis)June 28, 2022, 5:41 p.m.1116
#8madnessAug. 25, 2023, 6:13 a.m.1106
The T52 Sturgeon Challenge — Part 8
Name (Username)DatePoints
D3d4lu5Aug. 14, 2019, 6:40 a.m.1660
Kurt Gebauer (Yokozuna)Aug. 18, 2019, 4:55 p.m.1523
Michael Möller (michaelm)Jan. 22, 2020, 9:11 p.m.1198
#4Snake (snk)March 22, 2020, 1:03 p.m.1181
#5Nicolas (nicosPavlov)July 22, 2020, 12:05 p.m.1160
#6Scombes (jerva)Dec. 30, 2020, 8:06 a.m.1143
#7Mike (RogueRamblers)June 21, 2021, 1:44 a.m.1132
#8H. Lautenschlager (helmi)July 26, 2021, 12:32 p.m.1130
#9George (Theofanidis)March 2, 2022, 11:08 p.m.1120
#10madnessAug. 21, 2023, 7:08 p.m.1106
The T52 Sturgeon Challenge — Part 7
Name (Username)DatePoints
D3d4lu5Aug. 13, 2019, 4:29 p.m.1725
Kurt Gebauer (Yokozuna)Aug. 15, 2019, 3:30 a.m.1613
Snake (snk)March 23, 2020, 9:59 a.m.1181
#4Nicolas (nicosPavlov)Aug. 2, 2020, 4:21 a.m.1158
#5Michael Möller (michaelm)Aug. 7, 2020, 8:58 p.m.1157
#6Mike (RogueRamblers)July 4, 2021, 11:26 p.m.1131
#7madnessAug. 20, 2023, 7:19 p.m.1106
The T52 Sturgeon Challenge — Part 6
Name (Username)DatePoints
D3d4lu5Aug. 13, 2019, 12:21 a.m.1725
Kurt Gebauer (Yokozuna)Aug. 15, 2019, 2:53 p.m.1613
Snake (snk)March 22, 2020, 10:48 p.m.1181
#4Nicolas (nicosPavlov)Aug. 1, 2020, 4:24 p.m.1158
#5Mike (RogueRamblers)July 2, 2021, 2:45 a.m.1131
#6Michael Möller (michaelm)Aug. 23, 2021, 8:16 p.m.1128
#7madnessAug. 20, 2023, 6:42 a.m.1106
The T52 Sturgeon Challenge — Part 5
Name (Username)DatePoints
D3d4lu5Aug. 12, 2019, 4:35 p.m.1824
Kurt Gebauer (Yokozuna)Aug. 13, 2019, 11:24 p.m.1660
Snake (snk)March 20, 2020, 5:07 p.m.1181
#4Nicolas (nicosPavlov)Aug. 5, 2020, 2:47 p.m.1158
#5Mike (RogueRamblers)July 9, 2021, 2:40 a.m.1131
#6Michael Möller (michaelm)Aug. 5, 2021, 8:35 p.m.1129
#7madnessAug. 24, 2023, 6:49 p.m.1106
The T52 Sturgeon Challenge — Part 4
Name (Username)DatePoints
Kurt Gebauer (Yokozuna)July 25, 2019, 6:49 p.m.1725
D3d4lu5Aug. 11, 2019, 8:05 p.m.1385
Alain Collignon (vexilla72)Oct. 1, 2019, 6:59 p.m.1256
#4Luigi Tomelli (archstanton)Dec. 22, 2019, 1:48 p.m.1203
#5Michael Möller (michaelm)Dec. 28, 2019, 11:47 a.m.1201
#6Snake (snk)March 19, 2020, 10:22 p.m.1177
#7Dominik M. (Sgt. Pepper)March 27, 2020, 3:39 p.m.1176
#8Nicolas (nicosPavlov)July 21, 2020, 11:44 a.m.1157
#9Scombes (jerva)Sept. 8, 2020, 5:05 p.m.1152
#10Mike (RogueRamblers)July 7, 2021, 3:17 a.m.1130
The T52 Sturgeon Challenge — Part 3
Name (Username)DatePoints
Kurt Gebauer (Yokozuna)July 23, 2019, 7:38 a.m.2000
D3d4lu5July 24, 2019, 6:19 a.m.1824
Alain Collignon (vexilla72)Oct. 1, 2019, 2:41 p.m.1256
#4Random Dude (rnd)Oct. 21, 2019, 9:48 p.m.1238
#5Luigi Tomelli (archstanton)Dec. 19, 2019, 1:52 p.m.1204
#6H. Lautenschlager (helmi)Dec. 22, 2019, 8:03 p.m.1203
#7Michael Möller (michaelm)March 8, 2020, 3:55 p.m.1180
#8Snake (snk)March 18, 2020, 10:24 p.m.1178
#9Nicolas (nicosPavlov)July 19, 2020, 4:58 a.m.1158
#10Scombes (jerva)Sept. 13, 2020, 8:41 p.m.1151
The T52 Sturgeon Challenge — Part 2
Name (Username)DatePoints
Kurt Gebauer (Yokozuna)July 23, 2019, 12:55 a.m.2000
D3d4lu5July 24, 2019, 6:18 a.m.1824
Alain Collignon (vexilla72)Oct. 1, 2019, 11:47 a.m.1256
#4Random Dude (rnd)Oct. 20, 2019, 8:34 p.m.1238
#5H. Lautenschlager (helmi)Dec. 1, 2019, 10:01 p.m.1212
#6Luigi Tomelli (archstanton)Dec. 11, 2019, 6:04 p.m.1208
#7Michael Möller (michaelm)Jan. 19, 2020, 6:06 p.m.1193
#8Snake (snk)March 18, 2020, 10:23 p.m.1178
#9Dominik M. (Sgt. Pepper)March 30, 2020, 11:52 p.m.1175
#10Nobody (nobody)June 4, 2020, 12:23 p.m.1164
The T52 Sturgeon Challenge — Part 1
Name (Username)DatePoints
Kurt Gebauer (Yokozuna)July 16, 2019, 4:47 a.m.1725
D3d4lu5July 16, 2019, 5:31 p.m.1725
Bart den Hartog (Bart13)July 26, 2019, 4:40 p.m.1444
#4Alain Collignon (vexilla72)Oct. 1, 2019, 11:45 a.m.1247
#5Random Dude (rnd)Oct. 19, 2019, 5:45 p.m.1232
#6H. Lautenschlager (helmi)Nov. 25, 2019, 6:14 p.m.1211
#7Luigi Tomelli (archstanton)Dec. 10, 2019, 2:42 p.m.1204
#8Michael Möller (michaelm)Dec. 17, 2019, 9:35 p.m.1202
#9Snake (snk)March 18, 2020, 8:53 p.m.1176
#10Dominik M. (Sgt. Pepper)March 27, 2020, 2:26 p.m.1174
The Vatican Challenge — Part 4
Name (Username)DatePoints
Thomas (Thomas4897)Aug. 23, 2019, 12:58 a.m.10000
Handycipher — Part 10
Name (Username)DatePoints
D3d4lu5June 26, 2019, 12:28 p.m.2000
Handycipher made in love — Part 2
Name (Username)DatePoints
Armin Krauss (argh)May 21, 2019, 7:53 p.m.2000
D3d4lu5May 21, 2019, 10:37 p.m.2000
Viktor (Veselovský)May 21, 2019, 11:37 p.m.2000
#4Kurt Gebauer (Yokozuna)May 22, 2019, 4:17 a.m.2000
#5Alain Collignon (vexilla72)May 22, 2019, 11:15 a.m.2000
#6Michael Möller (michaelm)May 22, 2019, 12:28 p.m.2000
#7Danny Higgins (hamster147)May 22, 2019, 12:46 p.m.2000
#8Dominik M. (Sgt. Pepper)May 22, 2019, 3:03 p.m.2000
#9Eugene (lim0n)May 23, 2019, 1:37 p.m.1824
#10George (Theofanidis)May 23, 2019, 11 p.m.1725
Homophonic Encryption — Part 4
Name (Username)DatePoints
Viktor (Veselovský)May 9, 2019, 12:56 a.m.2000
Snake (snk)May 9, 2019, 2:10 p.m.2000
Armin Krauss (argh)May 9, 2019, 5:58 p.m.2000
#4George Lasry (george4096)May 9, 2019, 8:48 p.m.2000
#5D3d4lu5May 10, 2019, 6:25 p.m.1824
#6E.T (Ertheb)May 13, 2019, 7:52 p.m.1613
#7Random Dude (rnd)May 20, 2019, 1:42 p.m.1456
#8Dominik M. (Sgt. Pepper)May 21, 2019, 6:51 p.m.1444
#9sarah b (silva)June 12, 2019, 2:03 p.m.1321
#10Stephan (Stephje1978)July 20, 2019, 7:51 p.m.1254
Homophonic Encryption — Part 3
Name (Username)DatePoints
Viktor (Veselovský)May 9, 2019, 12:41 a.m.2000
Alain Collignon (vexilla72)May 9, 2019, 10:44 a.m.2000
Dominik M. (Sgt. Pepper)May 9, 2019, 1:01 p.m.2000
#4Snake (snk)May 9, 2019, 1:48 p.m.2000
#5D3d4lu5May 9, 2019, 5:16 p.m.2000
#6Armin Krauss (argh)May 9, 2019, 5:34 p.m.2000
#7George Lasry (george4096)May 9, 2019, 8:51 p.m.2000
#8Kurt Gebauer (Yokozuna)May 12, 2019, 9:56 a.m.1660
#9E.T (Ertheb)May 13, 2019, 7:39 p.m.1613
#10Random Dude (rnd)May 19, 2019, 6:21 a.m.1469
Homophonic Encryption — Part 2
Name (Username)DatePoints
George Lasry (george4096)May 10, 2019, 10:02 p.m.1725
Armin Krauss (argh)May 10, 2019, 10:04 p.m.1725
Snake (snk)May 10, 2019, 10:29 p.m.1725
#4Alain Collignon (vexilla72)May 10, 2019, 11:47 p.m.1725
#5Viktor (Veselovský)May 11, 2019, 12:58 a.m.1725
#6H. Lautenschlager (helmi)May 11, 2019, 7:53 p.m.1725
#7Kurt Gebauer (Yokozuna)May 11, 2019, 8:56 p.m.1725
#8E.T (Ertheb)May 13, 2019, 7:28 p.m.1613
#9D3d4lu5May 14, 2019, 6:05 a.m.1576
#10Eugene (lim0n)May 16, 2019, 1:32 p.m.1523
Homophonic Encryption — Part 1
Name (Username)DatePoints
Snake (snk)May 4, 2019, 8:15 p.m.2000
Armin Krauss (argh)May 4, 2019, 11:35 p.m.2000
D3d4lu5May 5, 2019, 4:23 a.m.2000
#4Kurt Gebauer (Yokozuna)May 5, 2019, 1:33 p.m.2000
#5H. Lautenschlager (helmi)May 5, 2019, 1:50 p.m.2000
#6Dominik M. (Sgt. Pepper)May 5, 2019, 3:17 p.m.2000
#7George (Theofanidis)May 5, 2019, 7:47 p.m.1824
#8Marc (rcll0891)May 5, 2019, 10:43 p.m.1824
#9Alain Collignon (vexilla72)May 6, 2019, 11:43 a.m.1824
#10E.T (Ertheb)May 6, 2019, 2:05 p.m.1824
Handycipher made in love — Part 1
Name (Username)DatePoints
Armin Krauss (argh)Feb. 16, 2019, 2:52 p.m.2000
D3d4lu5Feb. 16, 2019, 4:30 p.m.2000
Michael Möller (michaelm)Feb. 16, 2019, 6:53 p.m.2000
#4George Lasry (george4096)Feb. 16, 2019, 9:36 p.m.2000
#5Alain Collignon (vexilla72)Feb. 16, 2019, 10:05 p.m.2000
#6Viktor (Veselovský)Feb. 16, 2019, 11:50 p.m.2000
#7Kurt Gebauer (Yokozuna)Feb. 17, 2019, 5:12 a.m.2000
#8Dominik M. (Sgt. Pepper)Feb. 17, 2019, 4:28 p.m.1824
#9Snake (snk)Feb. 17, 2019, 7:03 p.m.1824
#10Rainer Zufall (kiekuk)March 4, 2019, 2:32 p.m.1406
Monoalphabetic Substitution with Nostradamus Flavor
Name (Username)DatePoints
Armin Krauss (argh)Feb. 16, 2019, 1:26 p.m.2000
D3d4lu5Feb. 16, 2019, 3:57 p.m.2000
Dominik M. (Sgt. Pepper)Feb. 16, 2019, 7:22 p.m.2000
#4George Lasry (george4096)Feb. 16, 2019, 9:43 p.m.2000
#5Viktor (Veselovský)Feb. 16, 2019, 11:02 p.m.2000
#6Alain Collignon (vexilla72)Feb. 16, 2019, 11:07 p.m.2000
#7Kurt Gebauer (Yokozuna)Feb. 17, 2019, 6:54 a.m.2000
#8Snake (snk)Feb. 17, 2019, 5:11 p.m.1824
#9Luigi Tomelli (archstanton)Feb. 19, 2019, 1:04 p.m.1660
#10Lane Williams (planetlane)Feb. 19, 2019, 4:02 p.m.1660
Cryptanalysis Hacking Puzzles — Part 2
Name (Username)DatePoints
Armin Krauss (argh)Jan. 9, 2019, 3:41 p.m.200
Dominik M. (Sgt. Pepper)Jan. 9, 2019, 4:25 p.m.200
sarah b (silva)Jan. 9, 2019, 8:37 p.m.200
#4Alain Collignon (vexilla72)Jan. 10, 2019, 8 a.m.200
#5Random Dude (rnd)Jan. 10, 2019, 1:53 p.m.200
#6D3d4lu5Jan. 10, 2019, 10:13 p.m.150
#7S (Zyphe)Jan. 11, 2019, 5:15 p.m.133
#8George (Theofanidis)Jan. 11, 2019, 6:10 p.m.133
#9Michael Möller (michaelm)Jan. 12, 2019, 10:07 p.m.125
#100e85dc6eafJan. 13, 2019, 1:05 p.m.125
"The Road" — Part 2
Name (Username)DatePoints
Brian Oberg (BOBTMSJ)June 24, 2022, 4:46 a.m.1110
Eric (ExAstris)July 8, 2023, 10:04 p.m.1102
"The Road" — Part 1
Name (Username)DatePoints
Armin Krauss (argh)Dec. 10, 2018, 3:47 p.m.1824
Viktor (Veselovský)Dec. 13, 2018, 3:15 p.m.1613
D3d4lu5Jan. 14, 2019, 8:37 a.m.1315
#4Eugene (lim0n)Oct. 30, 2019, 12:18 p.m.1163
#5Snake (snk)Nov. 14, 2019, 9:04 p.m.1160
#6Michael (FoM)Feb. 17, 2022, 2:11 a.m.1113
#7Brian Oberg (BOBTMSJ)June 17, 2022, 11:15 p.m.1110
#8Eric (ExAstris)June 29, 2023, 3:08 a.m.1103
Catherine of Aragon's Letter to King Ferdinand, her Father (1509)
Name (Username)DatePoints
Thomas (Thomas4897)Dec. 11, 2018, 3:50 p.m.2000
Viktor (Veselovský)Dec. 11, 2018, 3:52 p.m.2000
Cryptanalysis Hacking Puzzles — Part 1
Name (Username)DatePoints
Viktor (Veselovský)Oct. 26, 2018, 10:47 p.m.200
D3d4lu5Oct. 27, 2018, 8:18 a.m.200
Dominik M. (Sgt. Pepper)Oct. 27, 2018, 2:30 p.m.200
#4Random Dude (rnd)Oct. 28, 2018, 1:43 a.m.150
#5Snake (snk)Oct. 28, 2018, 5:45 p.m.150
#6E.T (Ertheb)Oct. 28, 2018, 6:58 p.m.150
#7Armin Krauss (argh)Nov. 1, 2018, 7:25 p.m.117
#8Rainer Zufall (kiekuk)Nov. 3, 2018, 12:57 p.m.113
#9Kurt Gebauer (Yokozuna)Nov. 3, 2018, 3:32 p.m.113
#10H. Lautenschlager (helmi)Nov. 3, 2018, 5:33 p.m.113
Breaking a Filter Generator
Name (Username)DatePoints
Kurt Gebauer (Yokozuna)Sept. 26, 2018, 9:06 p.m.1824
Viktor (Veselovský)Sept. 27, 2018, 10:20 p.m.1725
roehmSept. 28, 2018, 12:56 a.m.1725
#4D3d4lu5Sept. 28, 2018, 2:01 a.m.1725
#5Alain Collignon (vexilla72)Sept. 28, 2018, 4:19 p.m.1660
#6Scombes (jerva)Sept. 29, 2018, 1:49 p.m.1660
#7Nicolas (nicosPavlov)Oct. 6, 2018, 7:29 a.m.1469
#8E.T (Ertheb)Oct. 15, 2018, 1:04 p.m.1385
#9George Lasry (george4096)Oct. 27, 2018, 2:15 a.m.1330
#10Random Dude (rnd)Oct. 30, 2018, 6:04 p.m.1318
Autokey Cipher
Name (Username)DatePoints
Snake (snk)Sept. 25, 2018, 4:08 p.m.200
Viktor (Veselovský)Sept. 25, 2018, 10:11 p.m.200
Michael Möller (michaelm)Sept. 25, 2018, 10:32 p.m.200
#4Kurt Gebauer (Yokozuna)Sept. 26, 2018, 2:53 a.m.200
#5Armin Krauss (argh)Sept. 26, 2018, 9:50 a.m.200
#6H. Lautenschlager (helmi)Sept. 26, 2018, 7:27 p.m.150
#7Random Dude (rnd)Sept. 26, 2018, 8:28 p.m.150
#8Em Doulgerakis (Greko)Sept. 26, 2018, 8:50 p.m.150
#9Alain Collignon (vexilla72)Sept. 27, 2018, 11:05 a.m.150
#10Dominik M. (Sgt. Pepper)Sept. 27, 2018, 11:50 a.m.150
Modular Sequences
Name (Username)DatePoints
Em Doulgerakis (Greko)Sept. 25, 2018, 3:30 p.m.200
Snake (snk)Sept. 25, 2018, 5:05 p.m.200
Viktor (Veselovský)Sept. 25, 2018, 9:39 p.m.200
#4Kurt Gebauer (Yokozuna)Sept. 26, 2018, 2:12 a.m.200
#5Armin Krauss (argh)Sept. 26, 2018, 9:53 a.m.200
#6H. Lautenschlager (helmi)Sept. 26, 2018, 5:43 p.m.150
#7Random Dude (rnd)Sept. 26, 2018, 8:55 p.m.150
#8Dominik M. (Sgt. Pepper)Sept. 27, 2018, 11:43 a.m.150
#9Alain Collignon (vexilla72)Sept. 27, 2018, 12:26 p.m.150
#10D3d4lu5Sept. 28, 2018, 6:52 a.m.133
Trendy Messenger
Name (Username)DatePoints
D3d4lu5June 13, 2018, 1:04 a.m.2000
Kurt Gebauer (Yokozuna)June 13, 2018, 11:25 a.m.2000
Dominik M. (Sgt. Pepper)June 13, 2018, 2:33 p.m.1824
#4Viktor (Veselovský)June 14, 2018, 7:05 p.m.1725
#5Alain Collignon (vexilla72)June 19, 2018, 7:44 a.m.1547
#6George (Theofanidis)June 19, 2018, 7:26 p.m.1523
#7Vlad (Vlad94)June 19, 2018, 8:50 p.m.1523
#8Teodoru catalin Andrei (teodoru)June 20, 2018, 4:01 p.m.1502
#9Eric (ExAstris)June 22, 2018, 4:47 p.m.1469
#10E.T (Ertheb)June 23, 2018, 2:51 p.m.1456
Fastest in the West
Name (Username)DatePoints
Kurt Gebauer (Yokozuna)June 13, 2018, 3:24 a.m.2000
D3d4lu5June 13, 2018, 7:45 a.m.2000
Alain Collignon (vexilla72)June 13, 2018, 10:36 a.m.2000
#4Dominik M. (Sgt. Pepper)June 14, 2018, 1:22 p.m.1824
#5Viktor (Veselovský)June 14, 2018, 4:21 p.m.1725
#6George (Theofanidis)June 15, 2018, 8:11 p.m.1660
#7E.T (Ertheb)June 17, 2018, 10:53 p.m.1576
#8Diaconu Bogdan (bogdan_walle)June 19, 2018, 4:36 p.m.1523
#9Teodoru catalin Andrei (teodoru)June 20, 2018, 3:58 p.m.1502
#10Eric (ExAstris)June 21, 2018, 6:56 p.m.1485
Summer Job
Name (Username)DatePoints
Kurt Gebauer (Yokozuna)June 12, 2018, 9:37 p.m.2000
E.T (Ertheb)June 12, 2018, 9:48 p.m.2000
Viktor (Veselovský)June 12, 2018, 11:34 p.m.2000
#4D3d4lu5June 13, 2018, 6:19 a.m.2000
#5Alain Collignon (vexilla72)June 13, 2018, 3:53 p.m.1824
#6Dominik M. (Sgt. Pepper)June 14, 2018, 10:17 p.m.1725
#7George (Theofanidis)June 17, 2018, 11:54 a.m.1613
#8John Smith (Froyo10)June 18, 2018, 8:24 p.m.1547
#9Teodoru catalin Andrei (teodoru)June 20, 2018, 3:57 p.m.1502
#10Eric (ExAstris)June 22, 2018, 4:38 a.m.1485
Weakened ElsieFour — Part 2
Name (Username)DatePoints
George Lasry (george4096)Jan. 3, 2022, 2:39 p.m.1109
Weakened ElsieFour — Part 1
Name (Username)DatePoints
George (Theofanidis)Oct. 6, 2018, 8:53 p.m.1200
Michael Möller (michaelm)Jan. 2, 2019, 9:55 a.m.1176
D3d4lu5Nov. 28, 2019, 7:27 p.m.1138
#4Eugene (lim0n)May 10, 2021, 7:34 p.m.1115
#5George Lasry (george4096)Jan. 3, 2022, 12:24 p.m.1109
#6Dr. Peter Uelkes (RandyWaterhouse)June 24, 2022, 2:45 p.m.1105
Number Sequence — Part 10
Name (Username)DatePoints
Armin Krauss (argh)April 18, 2018, 6:25 p.m.200
Kurt Gebauer (Yokozuna)April 18, 2018, 8:22 p.m.200
H. Lautenschlager (helmi)April 18, 2018, 8:29 p.m.200
#4Viktor (Veselovský)April 18, 2018, 8:31 p.m.200
#5Nofre Tete (noffi)April 18, 2018, 10:28 p.m.200
#6Snake (snk)April 19, 2018, 10:02 a.m.200
#7Lucio (lcalderonc)April 19, 2018, 7:24 p.m.150
#8Dominik M. (Sgt. Pepper)April 19, 2018, 10:11 p.m.150
#9S (Zyphe)April 19, 2018, 11:07 p.m.150
#10D3d4lu5April 20, 2018, 6:28 p.m.133
The Vatican Challenge — Part 2
Name (Username)DatePoints
Norbert Biermann (Norbert)March 20, 2018, 3:45 p.m.2000
Thomas (Thomas4897)April 16, 2018, 4:42 p.m.1000
Tomokiyo (cryptiana)June 1, 2018, 2:59 p.m.1000
The Vatican Challenge — Part 1
Name (Username)DatePoints
Thomas (Thomas4897)March 12, 2018, 3 p.m.2000
Norbert Biermann (Norbert)March 20, 2018, 2:59 p.m.1000
Tomokiyo (cryptiana)Aug. 13, 2018, 3:02 p.m.0
The Einstein Enigma
Name (Username)DatePoints
H. Lautenschlager (helmi)Feb. 8, 2018, 6:35 p.m.2000
Kurt Gebauer (Yokozuna)Feb. 8, 2018, 8:23 p.m.2000
Snake (snk)Feb. 8, 2018, 9:10 p.m.2000
#4Alain Collignon (vexilla72)Feb. 9, 2018, 7:29 a.m.1824
#5Mir Dim (mir0soft)Feb. 9, 2018, 9:40 a.m.1824
#6Dominik M. (Sgt. Pepper)Feb. 9, 2018, 12:33 p.m.1824
#7Mihail (plexor)Feb. 10, 2018, 1:44 p.m.1725
#8Lane Williams (planetlane)Feb. 11, 2018, 4:56 a.m.1660
#9E.T (Ertheb)Feb. 11, 2018, 5:34 p.m.1660
#10Armin Krauss (argh)Feb. 12, 2018, 12:55 a.m.1613
Advent Challenge — Part 3
Name (Username)DatePoints
Viktor (Veselovský)Dec. 22, 2017, 7:30 p.m.2000
Dominik M. (Sgt. Pepper)Dec. 22, 2017, 7:31 p.m.2000
Alain Collignon (vexilla72)Dec. 22, 2017, 7:34 p.m.2000
#4Kurt Gebauer (Yokozuna)Dec. 22, 2017, 7:43 p.m.2000
#5D3d4lu5Dec. 22, 2017, 7:44 p.m.2000
#6H. Lautenschlager (helmi)Dec. 22, 2017, 9:36 p.m.2000
#7Snake (snk)Dec. 22, 2017, 9:41 p.m.2000
#8Mir Dim (mir0soft)Dec. 23, 2017, 8:43 a.m.2000
#9Scombes (jerva)Dec. 23, 2017, 10:37 a.m.2000
#10Armin Krauss (argh)Dec. 23, 2017, 9:23 p.m.1824
Advent Challenge — Part 4
Name (Username)DatePoints
Viktor (Veselovský)Dec. 21, 2017, 6:47 p.m.2000
Michael Möller (michaelm)Dec. 21, 2017, 7:14 p.m.2000
Kurt Gebauer (Yokozuna)Dec. 21, 2017, 7:56 p.m.2000
#4Scombes (jerva)Dec. 21, 2017, 10:27 p.m.2000
#5H. Lautenschlager (helmi)Dec. 21, 2017, 11:30 p.m.2000
#6Dominik M. (Sgt. Pepper)Dec. 22, 2017, 1:43 a.m.2000
#7Alain Collignon (vexilla72)Dec. 22, 2017, 8:16 a.m.2000
#8D3d4lu5Dec. 22, 2017, 8:43 p.m.1824
#9RonjaDec. 22, 2017, 10:59 p.m.1824
#10J-L Morel (Rossignol)Dec. 23, 2017, 9:15 a.m.1824
AES ECB Wrong Encoding
Name (Username)DatePoints
Viktor (Veselovský)Dec. 17, 2017, 6:10 p.m.2000
Snake (snk)Dec. 17, 2017, 9:48 p.m.1824
Armin Krauss (argh)Dec. 17, 2017, 11:34 p.m.1824
#4Kurt Gebauer (Yokozuna)Dec. 18, 2017, 1:16 p.m.1824
#5Kasia (kasia-tutej)Dec. 21, 2017, 4:40 p.m.1613
#6D3d4lu5Dec. 24, 2017, 4:30 a.m.1523
#7Dominik M. (Sgt. Pepper)Dec. 24, 2017, 5:46 p.m.1523
#8H. Lautenschlager (helmi)Dec. 31, 2017, 6:15 p.m.1423
#9a (agigi)June 18, 2018, 2:46 p.m.1192
#10Oprea Bogdan (bogdan.oprea)June 18, 2018, 2:48 p.m.1192
Advent-Challenge — Part 2
Name (Username)DatePoints
Kurt Gebauer (Yokozuna)Dec. 17, 2017, 12:20 a.m.2000
Dominik M. (Sgt. Pepper)Dec. 17, 2017, 6:30 a.m.2000
Alain Collignon (vexilla72)Dec. 17, 2017, 11:20 a.m.2000
#4Viktor (Veselovský)Dec. 17, 2017, 12:30 p.m.2000
#5Snake (snk)Dec. 17, 2017, 1:08 p.m.2000
#6HolgerKDec. 17, 2017, 9:40 p.m.1824
#7Armin Krauss (argh)Dec. 17, 2017, 11:35 p.m.1824
#8H. Lautenschlager (helmi)Dec. 18, 2017, 4:07 p.m.1824
#9Em Doulgerakis (Greko)Dec. 18, 2017, 4:55 p.m.1824
#10Rainer Zufall (kiekuk)Dec. 19, 2017, 6:36 p.m.1725
Advent-Challenge — Part 1
Name (Username)DatePoints
Kurt Gebauer (Yokozuna)Dec. 8, 2017, 8:26 p.m.200
Michael Möller (michaelm)Dec. 8, 2017, 8:27 p.m.200
HolgerKDec. 8, 2017, 8:51 p.m.200
#4H. Lautenschlager (helmi)Dec. 8, 2017, 9:06 p.m.200
#5QiuDec. 8, 2017, 10:08 p.m.200
#6Viktor (Veselovský)Dec. 8, 2017, 10:36 p.m.200
#7Robert (rm)Dec. 9, 2017, 12:52 a.m.200
#8D3d4lu5Dec. 9, 2017, 3:01 a.m.200
#9QinncadeDec. 9, 2017, 11:15 p.m.150
#10Tim Fink (Magellan)Dec. 10, 2017, 7:27 a.m.150
Number Sequence — Part 9
Name (Username)DatePoints
nimroth (nimroth cynthor)Nov. 16, 2017, 7:39 p.m.200
H. Lautenschlager (helmi)Nov. 16, 2017, 10:27 p.m.200
Kurt Gebauer (Yokozuna)Nov. 16, 2017, 11:03 p.m.200
#4Armin Krauss (argh)Nov. 17, 2017, 12:08 a.m.200
#5Dominik M. (Sgt. Pepper)Nov. 17, 2017, 12:20 p.m.200
#6Viktor (Veselovský)Nov. 17, 2017, 2:41 p.m.200
#7D3d4lu5Nov. 18, 2017, 7:33 a.m.150
#8Robert (rm)Nov. 18, 2017, 4:55 p.m.150
#9S (Zyphe)Nov. 19, 2017, 5:22 p.m.133
#10Bernhard Gruber (bgr)Nov. 20, 2017, 5:27 p.m.125
Hilly — Part 2
Name (Username)DatePoints
Em Doulgerakis (Greko)Oct. 29, 2018, 9:19 p.m.1156
Weakened ElsieFour — Part 3
Name (Username)DatePoints
Nicolas (nicosPavlov)Jan. 18, 2018, 1:49 a.m.1226
Michael Möller (michaelm)April 24, 2018, 7:26 a.m.1186
D3d4lu5Dec. 29, 2020, 7:34 p.m.1113
#4Eugene (lim0n)July 18, 2021, 2:28 p.m.1108
ElsieFour — Part 1
Name (Username)DatePoints
Scombes (jerva)June 18, 2018, 10:14 p.m.14436
Michael Möller (michaelm)Oct. 29, 2018, 1:09 p.m.14182
D3d4lu5Jan. 4, 2021, 7:14 p.m.13586
#4Eugene (lim0n)July 20, 2021, 12:27 p.m.13512
Kaskade-S/T — Part 6 (RansomKaskade Part 1)
Name (Username)DatePoints
Armin Krauss (argh)July 14, 2017, 2 p.m.1444
Michael Möller (michaelm)July 29, 2017, 12:39 p.m.1344
Kurt Gebauer (Yokozuna)Jan. 22, 2018, 6:16 p.m.1186
#4George Lasry (george4096)July 8, 2018, 10:27 p.m.1156
#5Alain Collignon (vexilla72)Dec. 2, 2018, 8 p.m.1142
#6D3d4lu5May 19, 2019, 12:39 p.m.1131
Holographic Encryption — Part 2
Name (Username)DatePoints
Viktor (Veselovský)April 12, 2017, 6:46 p.m.1613
Armin Krauss (argh)April 20, 2017, 5:54 p.m.1444
Eugene (lim0n)Nov. 16, 2019, 1:49 p.m.1120
Holographic Encryption — Part 1
Name (Username)DatePoints
Viktor (Veselovský)April 11, 2017, 9:41 a.m.1660
Armin Krauss (argh)April 19, 2017, 5:59 p.m.1456
Bart den Hartog (Bart13)Sept. 20, 2017, 3:18 a.m.1198
#4D3d4lu5July 21, 2019, 4:07 p.m.1124
#5Eugene (lim0n)Nov. 8, 2019, 6:32 p.m.1120
#6Kurt Gebauer (Yokozuna)Feb. 3, 2020, 8:16 a.m.1117
#7Luigi Tomelli (archstanton)March 22, 2022, 5:35 p.m.1100
Hilly — Part 1
Name (Username)DatePoints
Viktor (Veselovský)Feb. 13, 2017, 7:33 p.m.1385
Dominik M. (Sgt. Pepper)July 3, 2018, 2:17 a.m.1142
Alain (Integral)July 3, 2018, 7:30 p.m.1142
#4Alain Collignon (vexilla72)July 14, 2018, 9:53 a.m.1141
#5Em Doulgerakis (Greko)Aug. 7, 2018, 11:17 a.m.1139
#6D3d4lu5March 6, 2019, 5:05 p.m.1127
#7Eugene (lim0n)Sept. 4, 2019, 2:38 p.m.1120
#8Bart den Hartog (Bart13)Sept. 19, 2019, 7:08 a.m.1119
#9Kurt Gebauer (Yokozuna)June 5, 2021, 12:12 p.m.1104
Handycipher — Part 9
Name (Username)DatePoints
George Lasry (george4096)May 31, 2017, 11 a.m.14906
Michael Möller (michaelm)March 26, 2018, 9:50 p.m.14129
D3d4lu5Jan. 26, 2019, 5:57 p.m.13830
Handycipher — Part 8
Name (Username)DatePoints
George Lasry (george4096)May 28, 2017, 11:32 p.m.14917
Michael Möller (michaelm)April 4, 2018, 6:16 p.m.14117
D3d4lu5Jan. 26, 2019, 9:32 a.m.13830
Handycipher — Part 7
Name (Username)DatePoints
George Lasry (george4096)May 28, 2017, 11:43 p.m.14917
D3d4lu5Jan. 26, 2019, 7:53 a.m.13830
ASAC — A Strong(er) ADFGVX Cipher — Part 2
Name (Username)DatePoints
George Lasry (george4096)Aug. 1, 2017, 12:01 a.m.1155
ASAC — A Strong(er) ADFGVX Cipher — Part 1
Name (Username)DatePoints
Armin Krauss (argh)July 9, 2016, 8:51 p.m.2000
zahir mohsen moradi (ariobarzan)July 9, 2016, 11:39 p.m.2000
Snake (snk)July 10, 2016, 6:57 p.m.2000
#4Robert (rm)July 13, 2016, 8:20 p.m.1613
#5Kurt Gebauer (Yokozuna)July 13, 2016, 8:55 p.m.1613
#6Alain (Integral)July 15, 2016, 9:41 a.m.1576
#7Julia Bernotat (El Greco )July 23, 2016, 12:33 a.m.1433
#8Em Doulgerakis (Greko)Sept. 10, 2016, 8:42 a.m.1266
#9Marc (rcll0891)Dec. 5, 2016, 7:50 p.m.1204
#10Alain Collignon (vexilla72)Dec. 6, 2016, 4:18 p.m.1204
Weakened Handycipher — Part 6
Name (Username)DatePoints
Alain (Integral)Aug. 7, 2016, 12:09 p.m.1307
Michael Möller (michaelm)Aug. 14, 2016, 5:29 p.m.1292
George Lasry (george4096)May 29, 2017, 1:02 a.m.1161
#4Nicolas (nicosPavlov)Feb. 18, 2018, 11:22 a.m.1136
#5D3d4lu5Nov. 1, 2018, 12:50 a.m.1123
#6Michael (FoM)Dec. 2, 2023, 2:47 p.m.1090
Weakened Handycipher — Part 5
Name (Username)DatePoints
Michael Möller (michaelm)July 28, 2016, 4:36 p.m.1337
Alain (Integral)Aug. 6, 2016, 4:25 p.m.1310
George Lasry (george4096)May 29, 2017, 9:15 p.m.1161
#4Nicolas (nicosPavlov)Feb. 18, 2018, 11:18 a.m.1136
#5D3d4lu5Oct. 31, 2018, 10:03 p.m.1123
#6Michael (FoM)Nov. 30, 2023, 6:02 p.m.1090
Weakened Handycipher — Part 4
Name (Username)DatePoints
Michael Möller (michaelm)July 13, 2016, 9:09 p.m.1414
Alain (Integral)Aug. 6, 2016, 2:10 p.m.1310
George Lasry (george4096)May 30, 2017, 4 p.m.1161
#4Nicolas (nicosPavlov)Feb. 12, 2018, 2:08 p.m.1137
#5D3d4lu5Oct. 31, 2018, 6:18 a.m.1124
#6Michael (FoM)Nov. 30, 2023, 2:57 p.m.1090
Extended Handycipher — Part 6
Name (Username)DatePoints
George Lasry (george4096)May 30, 2017, 3:01 p.m.14274
D3d4lu5Jan. 28, 2019, 6:39 p.m.13701
Extended Handycipher — Part 5
Name (Username)DatePoints
Michael Möller (michaelm)Feb. 13, 2017, 10:37 p.m.14510
George Lasry (george4096)May 29, 2017, 12:37 a.m.14276
D3d4lu5Jan. 22, 2019, 6:27 a.m.13704
Extended Handycipher — Part 4
Name (Username)DatePoints
Michael Möller (michaelm)Feb. 27, 2017, 2:57 p.m.14475
George Lasry (george4096)May 29, 2017, 12:30 a.m.14276
D3d4lu5Dec. 14, 2018, 6:34 a.m.13725
Handycipher — Part 6
Name (Username)DatePoints
Alain (Integral)Aug. 16, 2016, 11:27 p.m.15666
Michael Möller (michaelm)Oct. 3, 2016, 10:57 a.m.15124
George Lasry (george4096)May 28, 2017, 11:48 p.m.14276
#4Nicolas (nicosPavlov)March 6, 2018, 2:54 p.m.13925
#5D3d4lu5Nov. 4, 2018, 11:47 p.m.13748
Handycipher — Part 5
Name (Username)DatePoints
Alain (Integral)Aug. 16, 2016, 3:08 p.m.15684
Michael Möller (michaelm)Oct. 14, 2016, 1:50 p.m.15043
George Lasry (george4096)May 28, 2017, 11:56 p.m.14276
#4Nicolas (nicosPavlov)March 5, 2018, 11:40 a.m.13926
#5D3d4lu5Nov. 4, 2018, 1:40 p.m.13749
Handycipher — Part 4
Name (Username)DatePoints
Alain (Integral)Aug. 15, 2016, 9:12 p.m.15684
George Lasry (george4096)May 29, 2017, 12:06 a.m.14276
Nicolas (nicosPavlov)March 3, 2018, 3:12 a.m.13928
#4D3d4lu5Nov. 5, 2018, 6:48 a.m.13748
New Year's Greetings — Part 5
Name (Username)DatePoints
Szabó Zoltán (szabo.z87)March 21, 2016, 7:18 p.m.2000
Rainer Zufall (kiekuk)March 23, 2016, 3:46 p.m.1725
Viktor (Veselovský)March 26, 2016, 1:20 p.m.1576
#4Alain (Integral)March 29, 2016, 2:51 p.m.1502
#5Bernhard Gruber (bgr)April 5, 2016, 1:31 p.m.1414
#6Andreas Frerichs (Ossili)April 21, 2016, 7:19 p.m.1330
#7zahir mohsen moradi (ariobarzan)April 21, 2016, 9:37 p.m.1330
#8Christian (chrisadmin)July 31, 2016, 2:45 p.m.1212
#9E.T (Ertheb)Aug. 1, 2016, 6:43 a.m.1212
#10Armin Krauss (argh)Aug. 30, 2016, 10:10 p.m.1199
New Year's Greetings — Part 4
Name (Username)DatePoints
Szabó Zoltán (szabo.z87)March 21, 2016, 2:14 p.m.200
Robert (rm)March 21, 2016, 3:49 p.m.200
Rainer Zufall (kiekuk)March 21, 2016, 11:47 p.m.200
#4Armin Krauss (argh)March 22, 2016, 1:17 a.m.200
#5Michael Möller (michaelm)March 22, 2016, 10:21 a.m.150
#6Dominik M. (Sgt. Pepper)March 22, 2016, 7:14 p.m.150
#7Fabian (XP-72)March 23, 2016, 12:44 p.m.133
#8HolgerKMarch 23, 2016, 7:58 p.m.133
#9Viktor (Veselovský)March 23, 2016, 10:33 p.m.133
#10Bernhard Gruber (bgr)March 25, 2016, 4:21 p.m.120
New Year's Greetings — Part 3
Name (Username)DatePoints
Szabó Zoltán (szabo.z87)March 21, 2016, 1:56 p.m.200
Robert (rm)March 21, 2016, 3:33 p.m.200
Rainer Zufall (kiekuk)March 21, 2016, 11:19 p.m.200
#4Armin Krauss (argh)March 22, 2016, 1:17 a.m.200
#5Michael Möller (michaelm)March 22, 2016, 10:04 a.m.150
#6Dominik M. (Sgt. Pepper)March 22, 2016, 7:10 p.m.150
#7Fabian (XP-72)March 23, 2016, 12:12 a.m.150
#8HolgerKMarch 23, 2016, 7:34 p.m.133
#9Viktor (Veselovský)March 23, 2016, 9:47 p.m.133
#10Bernhard Gruber (bgr)March 25, 2016, 9:46 a.m.125
New Year's Greetings — Part 2
Name (Username)DatePoints
Szabó Zoltán (szabo.z87)March 21, 2016, 1:20 p.m.200
Robert (rm)March 21, 2016, 3:27 p.m.200
Rainer Zufall (kiekuk)March 21, 2016, 9:24 p.m.200
#4Michael Möller (michaelm)March 21, 2016, 10:09 p.m.200
#5Armin Krauss (argh)March 22, 2016, 1:16 a.m.200
#6Dominik M. (Sgt. Pepper)March 22, 2016, 7:01 p.m.150
#7Fabian (XP-72)March 22, 2016, 11:46 p.m.150
#8Bernhard Gruber (bgr)March 23, 2016, 11:44 a.m.133
#9HolgerKMarch 23, 2016, 7:21 p.m.133
#10Viktor (Veselovský)March 23, 2016, 9:28 p.m.133
New Year's Greetings — Part 1
Name (Username)DatePoints
Szabó Zoltán (szabo.z87)March 21, 2016, 1:09 p.m.200
Robert (rm)March 21, 2016, 3:23 p.m.200
Rainer Zufall (kiekuk)March 21, 2016, 8:58 p.m.200
#4Michael Möller (michaelm)March 21, 2016, 9:28 p.m.200
#5Armin Krauss (argh)March 22, 2016, 1:16 a.m.200
#6Dominik M. (Sgt. Pepper)March 22, 2016, 6:45 p.m.150
#7Fabian (XP-72)March 22, 2016, 11:02 p.m.150
#8Bernhard Gruber (bgr)March 23, 2016, 10:48 a.m.133
#9HolgerKMarch 23, 2016, 6:41 p.m.133
#10Viktor (Veselovský)March 23, 2016, 9:21 p.m.133
Image Noise
Name (Username)DatePoints
Armin Krauss (argh)Nov. 20, 2015, 9:33 p.m.200
Viktor (Veselovský)Nov. 20, 2015, 10:18 p.m.200
Robert (rm)Nov. 21, 2015, 12:20 a.m.200
#4Kurt Gebauer (Yokozuna)Nov. 21, 2015, 12:31 a.m.200
#5Rainer Zufall (kiekuk)Nov. 21, 2015, 10:31 a.m.200
#6H. Lautenschlager (helmi)Nov. 21, 2015, 10:52 a.m.200
#7Szabó Zoltán (szabo.z87)Nov. 21, 2015, 1:19 p.m.200
#8Bart den Hartog (Bart13)Nov. 21, 2015, 2:53 p.m.200
#9Andreas Frerichs (Ossili)Nov. 21, 2015, 8:19 p.m.200
#10Michael Möller (michaelm)Nov. 21, 2015, 8:20 p.m.200
News from Castle Mansfeld
Name (Username)DatePoints
Snake (snk)Nov. 13, 2015, 3:30 p.m.200
Kurt Gebauer (Yokozuna)Nov. 13, 2015, 7:34 p.m.200
Armin Krauss (argh)Nov. 13, 2015, 10:41 p.m.200
#4Viktor (Veselovský)Nov. 13, 2015, 10:52 p.m.200
#5Michael Möller (michaelm)Nov. 14, 2015, 1:08 p.m.150
#6FirstLast (TheRational)Nov. 14, 2015, 7:23 p.m.150
#7Andreas Frerichs (Ossili)Nov. 14, 2015, 9:45 p.m.150
#8Robert (rm)Nov. 14, 2015, 11:38 p.m.150
#9KW (qwer*)Nov. 15, 2015, 8:23 a.m.150
#10Julia Bernotat (El Greco )Nov. 15, 2015, 9:20 p.m.133
Weakened Granit — Part 1
Name (Username)DatePoints
Armin Krauss (argh)Sept. 24, 2015, 12:32 p.m.200
Snake (snk)Sept. 24, 2015, 1:14 p.m.200
Kurt Gebauer (Yokozuna)Sept. 24, 2015, 4:01 p.m.200
#4Robert (rm)Sept. 24, 2015, 7:44 p.m.200
#5Bart den Hartog (Bart13)Sept. 24, 2015, 11:19 p.m.200
#6Andreas Frerichs (Ossili)Sept. 25, 2015, 4:47 p.m.150
#7zahir mohsen moradi (ariobarzan)Sept. 25, 2015, 9:47 p.m.150
#8Julia Bernotat (El Greco )Sept. 26, 2015, 1:17 p.m.133
#9Bernhard Gruber (bgr)Sept. 27, 2015, 8:29 p.m.125
#10Alain (Integral)Sept. 27, 2015, 9:54 p.m.125
Number Sequence — Part 8
Name (Username)DatePoints
Robert (rm)Sept. 14, 2015, 10:39 a.m.200
Bernhard Gruber (bgr)Sept. 14, 2015, 12:09 p.m.200
Kurt Gebauer (Yokozuna)Sept. 14, 2015, 1:23 p.m.200
#4H. Lautenschlager (helmi)Sept. 14, 2015, 1:31 p.m.200
#5Snake (snk)Sept. 14, 2015, 1:37 p.m.200
#6Joerg G. (SnifferMaster)Sept. 14, 2015, 1:54 p.m.200
#7Michael Möller (michaelm)Sept. 14, 2015, 3:22 p.m.200
#8Bart den Hartog (Bart13)Sept. 14, 2015, 4:31 p.m.200
#9zahir mohsen moradi (ariobarzan)Sept. 14, 2015, 6:23 p.m.200
#10KW (qwer*)Sept. 14, 2015, 6:51 p.m.200
Spirale — Part 3
Name (Username)DatePoints
Scombes (jerva)Sept. 13, 2015, 3:43 p.m.1378
J-L Morel (Rossignol)Jan. 19, 2017, 3:27 p.m.1143
George Lasry (george4096)Aug. 21, 2017, 9:46 p.m.1129
#4D3d4lu5Jan. 19, 2021, 7:45 p.m.1098
#5George (Theofanidis)March 27, 2023, 12:04 a.m.1089
Spirale — Part 2
Name (Username)DatePoints
Scombes (jerva)Sept. 12, 2015, 9:15 p.m.1378
J-L Morel (Rossignol)Jan. 19, 2017, 3:23 p.m.1143
George Lasry (george4096)Aug. 21, 2017, 9:06 p.m.1129
#4Kurt Gebauer (Yokozuna)Jan. 28, 2020, 12:25 p.m.1103
#5D3d4lu5Jan. 19, 2021, 7:44 p.m.1098
#6George (Theofanidis)March 10, 2023, 11:02 p.m.1089
#7Dr. Peter Uelkes (RandyWaterhouse)March 31, 2023, 6:57 a.m.1089
Spirale — Part 1
Name (Username)DatePoints
Scombes (jerva)Sept. 12, 2015, 9:12 p.m.1378
J-L Morel (Rossignol)Jan. 19, 2017, 3:14 p.m.1143
George Lasry (george4096)Aug. 21, 2017, 8:56 p.m.1129
#4Kurt Gebauer (Yokozuna)Jan. 28, 2020, 12:24 p.m.1103
#5D3d4lu5Jan. 19, 2021, 7:42 p.m.1098
#6George (Theofanidis)March 11, 2023, 12:56 a.m.1089
#7Dr. Peter Uelkes (RandyWaterhouse)March 31, 2023, 7:14 a.m.1089
Flawed Usage of a OTP Cipher by the BND
Name (Username)DatePoints
Armin Krauss (argh)Aug. 26, 2015, 5:13 p.m.1725
Kurt Gebauer (Yokozuna)Aug. 28, 2015, 10:20 p.m.1576
Alain (Integral)Sept. 4, 2015, 4:37 p.m.1456
#4Bart den Hartog (Bart13)Sept. 10, 2015, 2:30 p.m.1398
#5Julia Bernotat (El Greco )Sept. 21, 2015, 9:32 p.m.1337
#6Robert (rm)Oct. 8, 2015, 9:06 p.m.1292
#7Matthias Kotzerke (Esdeath)March 30, 2016, 7:45 p.m.1182
#8Em Doulgerakis (Greko)May 16, 2016, 9:35 a.m.1172
#9Alain Collignon (vexilla72)Oct. 10, 2016, 6:28 p.m.1152
#10D3d4lu5Aug. 8, 2017, 10:49 p.m.1130
Weakened Handycipher — Part 3
Name (Username)DatePoints
Kurt Gebauer (Yokozuna)May 13, 2015, 9:52 p.m.2000
Armin Krauss (argh)May 18, 2015, 2:55 p.m.1576
Julia Bernotat (El Greco )May 23, 2015, 12:58 a.m.1485
#4Scombes (jerva)May 26, 2015, 8:31 a.m.1444
#5Alain (Integral)June 7, 2015, 10:32 a.m.1357
#6zahir mohsen moradi (ariobarzan)Sept. 14, 2015, 6:27 p.m.1216
#7Michael Möller (michaelm)Sept. 14, 2015, 6:54 p.m.1216
#8Em Doulgerakis (Greko)June 24, 2016, 2:59 p.m.1152
#9George Lasry (george4096)May 27, 2017, 3:40 a.m.1128
#10Nicolas (nicosPavlov)Jan. 23, 2018, 2:27 a.m.1119
Weakened Handycipher — Part 2
Name (Username)DatePoints
Kurt Gebauer (Yokozuna)May 13, 2015, 4 p.m.2000
Armin Krauss (argh)May 21, 2015, 1:33 a.m.1523
Julia Bernotat (El Greco )May 21, 2015, 6:04 p.m.1502
#4Alain (Integral)June 6, 2015, 1:54 p.m.1357
#5Michael Möller (michaelm)Sept. 8, 2015, 5:32 a.m.1220
#6zahir mohsen moradi (ariobarzan)Sept. 14, 2015, 6:26 p.m.1216
#7Em Doulgerakis (Greko)May 31, 2016, 12:37 p.m.1155
#8George Lasry (george4096)May 27, 2017, 3:33 a.m.1128
#9Nicolas (nicosPavlov)Jan. 22, 2018, 11:41 a.m.1119
#10D3d4lu5Oct. 27, 2018, 6:26 a.m.1111
Weakened Handycipher — Part 1
Name (Username)DatePoints
Kurt Gebauer (Yokozuna)May 13, 2015, 12:44 p.m.2000
Julia Bernotat (El Greco )May 17, 2015, 6:02 p.m.1613
Armin Krauss (argh)May 22, 2015, 7:32 p.m.1485
#4Alain (Integral)June 5, 2015, 3:01 p.m.1362
#5Michael Möller (michaelm)Aug. 15, 2015, 4:25 p.m.1235
#6zahir mohsen moradi (ariobarzan)Aug. 22, 2015, 12:40 p.m.1229
#7Karl Schutt (günter)March 7, 2016, 5:20 a.m.1167
#8Em Doulgerakis (Greko)May 18, 2016, 1:14 p.m.1156
#9George Lasry (george4096)May 28, 2017, 10:01 p.m.1128
#10Nicolas (nicosPavlov)Jan. 19, 2018, 2:26 a.m.1119
A hidden word — Part 2
Name (Username)DatePoints
H. Lautenschlager (helmi)April 16, 2015, 6:29 p.m.200
Armin Krauss (argh)April 16, 2015, 6:35 p.m.200
Kurt Gebauer (Yokozuna)April 16, 2015, 7:50 p.m.200
#4Sebastian Slupina (Grandwizard)April 16, 2015, 8:13 p.m.200
#5E.T (Ertheb)April 16, 2015, 9:27 p.m.200
#6Viktor (Veselovský)April 16, 2015, 10:24 p.m.200
#7HolgerKApril 16, 2015, 10:37 p.m.200
#8Rainer Zufall (kiekuk)April 16, 2015, 10:46 p.m.200
#9Michael Möller (michaelm)April 17, 2015, 8:04 a.m.200
#10Andreas Frerichs (Ossili)April 17, 2015, 1:34 p.m.200
Extended Handycipher — Part 3
Name (Username)DatePoints
Michael Möller (michaelm)Oct. 31, 2015, 6:28 p.m.1183
George Lasry (george4096)May 31, 2017, 10:24 a.m.1126
D3d4lu5Nov. 16, 2018, 5:12 p.m.1109
Extended Handycipher — Part 2
Name (Username)DatePoints
Michael Möller (michaelm)Oct. 23, 2015, 9:07 a.m.1185
George Lasry (george4096)May 31, 2017, 10:18 a.m.1126
D3d4lu5Nov. 13, 2018, 8:07 p.m.1109
Extended Handycipher — Part 1
Name (Username)DatePoints
Michael Möller (michaelm)Sept. 27, 2015, 11:51 a.m.1192
George Lasry (george4096)May 31, 2017, 10:23 a.m.1126
D3d4lu5Nov. 10, 2018, 5:59 p.m.1109
Number Sequence — Part 7
Name (Username)DatePoints
Armin Krauss (argh)March 23, 2015, 4:33 p.m.200
Kurt Gebauer (Yokozuna)March 23, 2015, 9:51 p.m.200
H. Lautenschlager (helmi)March 23, 2015, 11:26 p.m.200
#4Noah (Fridax2000)March 25, 2015, 7:35 p.m.133
#5HolgerKMarch 25, 2015, 8:01 p.m.133
#6Rainer Zufall (kiekuk)March 27, 2015, 12:41 p.m.120
#7Patrick Renz (tarantulla)March 30, 2015, 1:25 p.m.113
#8symbol4321April 29, 2015, 7:59 p.m.103
#9Viktor (Veselovský)May 6, 2015, 11:40 p.m.102
#10Bernhard Gruber (bgr)May 7, 2015, 11:43 a.m.102
Number Sequence — Part 6
Name (Username)DatePoints
Snake (snk)March 23, 2015, 1:02 p.m.200
Armin Krauss (argh)March 23, 2015, 2 p.m.200
Bernhard Gruber (bgr)March 23, 2015, 2:58 p.m.200
#4Viktor (Veselovský)March 23, 2015, 3:46 p.m.200
#5Kurt Gebauer (Yokozuna)March 23, 2015, 6:34 p.m.200
#6H. Lautenschlager (helmi)March 23, 2015, 6:48 p.m.200
#7E.T (Ertheb)March 23, 2015, 8:05 p.m.200
#8Rainer Zufall (kiekuk)March 24, 2015, 12:35 p.m.150
#9Matt (CryptoMonkey)March 25, 2015, 1:27 a.m.150
#10HolgerKMarch 25, 2015, 11:19 a.m.150
Handycipher — Part 3
Name (Username)DatePoints
Alain (Integral)June 12, 2015, 7:31 p.m.15093
Michael Möller (michaelm)Sept. 23, 2015, 7:08 p.m.14592
Em Doulgerakis (Greko)Sept. 13, 2016, 10:59 a.m.13977
#4George Lasry (george4096)May 27, 2017, 2 a.m.13775
#5Nicolas (nicosPavlov)Jan. 31, 2018, 2:46 p.m.13640
#6D3d4lu5Nov. 1, 2018, 9:36 p.m.13529
Handycipher — Part 2
Name (Username)DatePoints
Alain (Integral)June 9, 2015, 11:28 p.m.1232
Michael Möller (michaelm)Sept. 20, 2015, 1:16 p.m.1187
Em Doulgerakis (Greko)Sept. 6, 2016, 10:35 a.m.1140
#4George Lasry (george4096)May 27, 2017, 1:48 a.m.1125
#5Nicolas (nicosPavlov)Jan. 30, 2018, 2:15 a.m.1116
#6D3d4lu5Nov. 1, 2018, 7:59 p.m.1109
#7Random Dude (rnd)July 21, 2019, 5:29 p.m.1104
Handycipher — Part 1
Name (Username)DatePoints
Alain (Integral)June 8, 2015, 5:49 p.m.1233
Michael Möller (michaelm)Sept. 19, 2015, 9:09 p.m.1188
George Lasry (george4096)May 27, 2017, 1:43 a.m.1125
#4Nicolas (nicosPavlov)Jan. 30, 2018, 5:42 a.m.1116
#5D3d4lu5Nov. 1, 2018, 5:41 p.m.1109
M-138 — Part 4
Name (Username)DatePoints
Kurt Gebauer (Yokozuna)Dec. 24, 2014, 12:41 p.m.2000
Michael Möller (michaelm)Jan. 15, 2015, 9:25 p.m.1367
Claude Vaillancourt (Cl3v3r)Feb. 26, 2015, 5:40 p.m.1264
#4E.T (Ertheb)April 6, 2015, 9:11 a.m.1228
#5Alain (Integral)Aug. 17, 2015, 1:42 p.m.1178
#6Julia Bernotat (El Greco )March 10, 2016, 9:26 p.m.1149
#7Norbert Biermann (Norbert)Aug. 30, 2016, 8:44 p.m.1135
#8Bart den Hartog (Bart13)Jan. 31, 2017, 2:56 p.m.1127
#9George Lasry (george4096)May 24, 2017, 9:45 a.m.1122
#10Armin Krauss (argh)June 6, 2017, 9:20 p.m.1122
M-138 — Part 3
Name (Username)DatePoints
Bart den Hartog (Bart13)Dec. 24, 2014, 9:59 a.m.2000
Kurt Gebauer (Yokozuna)Dec. 26, 2014, 3:32 a.m.1725
Armin Krauss (argh)Dec. 26, 2014, 9:24 p.m.1725
#4Michael Möller (michaelm)Dec. 27, 2014, 8:15 a.m.1660
#5Francisco Moraes (fmoraes)Dec. 28, 2014, 1:29 p.m.1613
#6George (Theofanidis)Dec. 28, 2014, 10:36 p.m.1613
#7Robert (rm)Jan. 5, 2015, 3:01 a.m.1444
#8E.T (Ertheb)Jan. 9, 2015, 4:57 p.m.1406
#9Alain (Integral)Jan. 21, 2015, 7:13 p.m.1341
#10Hans Joachim Girulat (joregi)Feb. 11, 2015, 9:29 a.m.1286
M-138 — Part 2
Name (Username)DatePoints
Bart den Hartog (Bart13)Dec. 24, 2014, 3:37 a.m.2000
Kurt Gebauer (Yokozuna)Dec. 24, 2014, 8:23 a.m.2000
Viktor (Veselovský)Dec. 24, 2014, 1:51 p.m.2000
#4Snake (snk)Dec. 24, 2014, 9:51 p.m.2000
#5Michael Möller (michaelm)Dec. 24, 2014, 9:58 p.m.2000
#6Armin Krauss (argh)Dec. 25, 2014, 2 a.m.1824
#7Robert (rm)Dec. 25, 2014, 2:38 a.m.1824
#8George (Theofanidis)Dec. 25, 2014, 2:43 a.m.1824
#9H. Lautenschlager (helmi)Dec. 25, 2014, 4:36 p.m.1824
#10jgausem1Dec. 25, 2014, 7:42 p.m.1824
M-138 — Part 1
Name (Username)DatePoints
Bart den Hartog (Bart13)Dec. 24, 2014, 1:44 a.m.200
Kurt Gebauer (Yokozuna)Dec. 24, 2014, 6:16 a.m.200
Viktor (Veselovský)Dec. 24, 2014, 12:52 p.m.200
#4Snake (snk)Dec. 24, 2014, 2:45 p.m.200
#5Armin Krauss (argh)Dec. 24, 2014, 4:21 p.m.200
#6Robert (rm)Dec. 24, 2014, 4:32 p.m.200
#7Michael Möller (michaelm)Dec. 24, 2014, 8:14 p.m.200
#8H. Lautenschlager (helmi)Dec. 24, 2014, 8:32 p.m.200
#9George (Theofanidis)Dec. 24, 2014, 8:37 p.m.200
#10Andreas Frerichs (Ossili)Dec. 25, 2014, 4:30 p.m.150
The Last Note
Name (Username)DatePoints
Armin Krauss (argh)Sept. 23, 2014, 12:22 a.m.200
Robert (rm)Sept. 23, 2014, 12:23 a.m.200
Viktor (Veselovský)Sept. 23, 2014, 12:25 a.m.200
#4Frank Promer (Frank)Sept. 23, 2014, 9:07 a.m.200
#5Bernhard Gruber (bgr)Sept. 23, 2014, 11:07 a.m.200
#6Bart den Hartog (Bart13)Sept. 23, 2014, 2:55 p.m.200
#7Snake (snk)Sept. 23, 2014, 4:49 p.m.200
#8Andreas Frerichs (Ossili)Sept. 23, 2014, 7:32 p.m.200
#9Michael Möller (michaelm)Sept. 23, 2014, 10:59 p.m.150
#10Kurt Gebauer (Yokozuna)Sept. 24, 2014, 1:28 a.m.150
Heartbleed — Part 3
Name (Username)DatePoints
Kurt Gebauer (Yokozuna)Aug. 29, 2014, 11:41 a.m.2000
H. Lautenschlager (helmi)Aug. 29, 2014, 5:50 p.m.1824
masam (jimboo)Aug. 30, 2014, 6:20 p.m.1725
#4Thomas Lambert (lambert)Aug. 31, 2014, 1:03 p.m.1725
#5Francisco Moraes (fmoraes)Aug. 31, 2014, 11:43 p.m.1660
#6Viktor (Veselovský)Sept. 3, 2014, 9:15 p.m.1547
#7Bart den Hartog (Bart13)Sept. 4, 2014, 12:54 a.m.1547
#8Luigi Tomelli (archstanton)Sept. 4, 2014, 10:21 p.m.1523
#9Alain (Integral)Nov. 23, 2014, 9:20 p.m.1240
#10Hank (hanky)Feb. 5, 2015, 3:10 a.m.1200
Heartbleed — Part 2
Name (Username)DatePoints
Thomas Gonda (TomG)Aug. 28, 2014, 11:11 p.m.200
H. Lautenschlager (helmi)Aug. 28, 2014, 11:31 p.m.200
Kurt Gebauer (Yokozuna)Aug. 29, 2014, 12:21 a.m.200
#4Robert (rm)Aug. 29, 2014, 5:17 a.m.200
#5masam (jimboo)Aug. 30, 2014, 12:03 a.m.150
#6Francisco Moraes (fmoraes)Aug. 30, 2014, 4:13 a.m.150
#7Thomas Lambert (lambert)Aug. 31, 2014, 10:17 a.m.133
#8Armin Krauss (argh)Sept. 1, 2014, 8:09 p.m.120
#9Viktor (Veselovský)Sept. 2, 2014, 3:18 p.m.117
#10Bart den Hartog (Bart13)Sept. 2, 2014, 4:24 p.m.117
Heartbleed — Part 1
Name (Username)DatePoints
Kurt Gebauer (Yokozuna)Aug. 28, 2014, 7:22 p.m.200
Thomas Gonda (TomG)Aug. 28, 2014, 10:31 p.m.200
H. Lautenschlager (helmi)Aug. 28, 2014, 11:03 p.m.200
#4Robert (rm)Aug. 29, 2014, 2:38 a.m.200
#5Thomas Lambert (lambert)Aug. 29, 2014, 5:23 p.m.150
#6Roland Jansen (roland)Aug. 29, 2014, 6:21 p.m.150
#7masam (jimboo)Aug. 29, 2014, 11:35 p.m.150
#8Francisco Moraes (fmoraes)Aug. 30, 2014, 12:23 a.m.150
#9Bart den Hartog (Bart13)Sept. 1, 2014, 10:39 a.m.125
#10Armin Krauss (argh)Sept. 1, 2014, 10:40 a.m.125
Double Column Transposition — Part 5
Name (Username)DatePoints
Francisco Moraes (fmoraes)July 3, 2014, 7:02 p.m.1469
Peter Mustermann (Gummiboot)July 16, 2014, 6:54 p.m.1362
Alain (Integral)July 25, 2014, 2:02 p.m.1330
#4George (Theofanidis)Nov. 5, 2014, 1:45 p.m.1211
#5Marc (rcll0891)Oct. 1, 2016, 2:15 p.m.1124
#6D3d4lu5May 14, 2019, 6:16 p.m.1101
#7Bart den Hartog (Bart13)Sept. 12, 2019, 5:27 p.m.1099
#8Mir Dim (mir0soft)March 11, 2020, 8:04 a.m.1096
#9Dr. Peter Uelkes (RandyWaterhouse)April 4, 2022, 8:25 a.m.1089
Double Column Transposition — Part 4
Name (Username)DatePoints
Kurt Gebauer (Yokozuna)May 20, 2014, 1:16 a.m.2000
Armin Krauss (argh)May 20, 2014, 1:54 a.m.2000
Bart den Hartog (Bart13)May 20, 2014, 5:13 a.m.2000
#4Snake (snk)May 20, 2014, 8:53 a.m.2000
#5Viktor (Veselovský)May 21, 2014, 10:03 a.m.1824
#6H. Lautenschlager (helmi)May 22, 2014, 12:55 p.m.1725
#7Michael Möller (michaelm)May 25, 2014, 3:35 p.m.1576
#8Michel Van Caneghem (vancan)May 28, 2014, 1:06 p.m.1502
#9Thomas Schmucker (dg)June 5, 2014, 10:52 p.m.1398
#10Alain (Integral)June 6, 2014, 10:01 a.m.1398
Double Column Transposition — Part 3
Name (Username)DatePoints
Kurt Gebauer (Yokozuna)May 2, 2014, 2:20 p.m.2000
Viktor (Veselovský)May 2, 2014, 11:01 p.m.2000
Alain (Integral)May 3, 2014, 10:17 a.m.2000
#4Armin Krauss (argh)May 6, 2014, 11:23 a.m.1660
#5Bart den Hartog (Bart13)May 25, 2014, 1:26 a.m.1367
#6Michel Van Caneghem (vancan)May 29, 2014, 3:46 p.m.1344
#7Michael Möller (michaelm)June 19, 2014, 5:41 p.m.1288
#8George (Theofanidis)June 22, 2014, 7:35 p.m.1283
#9Francisco Moraes (fmoraes)June 26, 2014, 10:50 p.m.1276
#10Snake (snk)July 13, 2014, 11:30 p.m.1254
Double Column Transposition — Part 2
Name (Username)DatePoints
Kurt Gebauer (Yokozuna)May 2, 2014, 9:43 p.m.2000
Viktor (Veselovský)May 2, 2014, 10:03 p.m.2000
Alain (Integral)May 3, 2014, 11:10 a.m.2000
#4George (Theofanidis)May 5, 2014, 8:22 p.m.1660
#5Armin Krauss (argh)May 6, 2014, 11:29 a.m.1660
#6Snake (snk)May 9, 2014, 10:33 a.m.1547
#7Bart den Hartog (Bart13)May 12, 2014, 10:43 p.m.1469
#8Michel Van Caneghem (vancan)May 29, 2014, 11:45 a.m.1344
#9Thomas Schmucker (dg)June 4, 2014, 10:06 a.m.1327
#10Michael Möller (michaelm)June 7, 2014, 3:09 p.m.1315
ORYX Stream Cipher — Part 4b
Name (Username)DatePoints
Scombes (jerva)March 10, 2015, 10:57 p.m.14283
George Lasry (george4096)June 27, 2017, 11:31 a.m.13594
ORYX Stream Cipher — Part 4a
Name (Username)DatePoints
Armin Krauss (argh)April 28, 2014, 8:48 a.m.1433
Kurt Gebauer (Yokozuna)May 15, 2014, 8:49 p.m.1330
Scombes (jerva)Feb. 17, 2015, 7:53 p.m.1165
#4Forrest Gump (Polyphem)Sept. 21, 2015, 8:33 p.m.1142
#5Julia Bernotat (El Greco )Jan. 15, 2016, 11:31 p.m.1134
#6Alain (Integral)Feb. 27, 2016, 6:22 p.m.1132
#7JavanteaDec. 10, 2016, 5:57 p.m.1119
#8Nicolas (nicosPavlov)Jan. 4, 2017, 9:11 a.m.1118
#9George Lasry (george4096)June 26, 2017, 8:18 p.m.1113
#10D3d4lu5Aug. 12, 2017, 6:29 a.m.1112
Double Column Transposition — Part 1
Name (Username)DatePoints
Armin Krauss (argh)April 5, 2014, 1:37 a.m.2000
Alain (Integral)April 17, 2014, 11:21 p.m.1433
Kurt Gebauer (Yokozuna)April 19, 2014, 4:35 a.m.1423
#4Viktor (Veselovský)May 2, 2014, 11:14 p.m.1341
#5Bart den Hartog (Bart13)May 25, 2014, 1:07 a.m.1284
#6Francisco Moraes (fmoraes)July 2, 2014, 8:13 p.m.1238
#7Luigi Tomelli (archstanton)July 8, 2014, 6:49 p.m.1234
#8Snake (snk)July 9, 2014, 12:13 p.m.1234
#9Peter Mustermann (Gummiboot)July 15, 2014, 4:29 p.m.1229
#10Erich (ErichSt)Sept. 2, 2014, 3:01 p.m.1204
Spanish Strip Cipher — Part 2
Name (Username)DatePoints
Alain (Integral)March 28, 2014, 1:32 a.m.2000
Armin Krauss (argh)March 29, 2014, 1:03 p.m.1824
masam (jimboo)March 29, 2014, 2:02 p.m.1824
#4E.T (Ertheb)March 29, 2014, 8:08 p.m.1725
#5Viktor (Veselovský)March 30, 2014, 12:47 a.m.1725
#6George Lasry (george4096)March 31, 2014, 1:04 a.m.1660
#7Bart den Hartog (Bart13)March 31, 2014, 11:26 a.m.1660
#8Luigi Tomelli (archstanton)April 7, 2014, 1:47 p.m.1469
#9Snake (snk)June 26, 2014, 11:58 a.m.1238
#10Julia Bernotat (El Greco )March 3, 2015, 10:44 p.m.1160
Spanish Strip Cipher — Part 1
Name (Username)DatePoints
Alain (Integral)March 27, 2014, 10:27 p.m.2000
Viktor (Veselovský)March 28, 2014, 12:56 a.m.2000
Armin Krauss (argh)March 28, 2014, 3:55 p.m.1824
#4Kurt Gebauer (Yokozuna)March 28, 2014, 9:39 p.m.1824
#5H. Lautenschlager (helmi)March 29, 2014, 11:46 a.m.1824
#6Bart den Hartog (Bart13)March 31, 2014, 5:04 a.m.1660
#7Snake (snk)March 31, 2014, 7:52 p.m.1613
#8J. M. (jomandi)April 1, 2014, 12:18 a.m.1613
#9George Lasry (george4096)April 3, 2014, 10:57 p.m.1523
#10Luigi Tomelli (archstanton)April 7, 2014, 10:06 a.m.1469
Enigma Messages with Repeated Letters — Part 5
Name (Username)DatePoints
Armin Krauss (argh)March 5, 2014, 5:31 p.m.200
J. M. (jomandi)March 5, 2014, 5:39 p.m.200
H. Lautenschlager (helmi)March 5, 2014, 8:15 p.m.200
#4Kurt Gebauer (Yokozuna)March 5, 2014, 8:32 p.m.200
#5George (Theofanidis)March 5, 2014, 9:01 p.m.200
#6E.T (Ertheb)March 5, 2014, 10:07 p.m.200
#7Viktor (Veselovský)March 5, 2014, 10:25 p.m.200
#8Em Doulgerakis (Greko)March 6, 2014, 12:13 p.m.200
#9Michael Möller (michaelm)March 6, 2014, 5:21 p.m.150
#10Bart den Hartog (Bart13)March 8, 2014, 1:05 a.m.133
Enigma Messages with Repeated Letters — Part 4
Name (Username)DatePoints
Armin Krauss (argh)March 5, 2014, 6:39 p.m.200
Viktor (Veselovský)March 5, 2014, 10:21 p.m.200
Kurt Gebauer (Yokozuna)March 6, 2014, midnight200
#4Snake (snk)March 6, 2014, 12:03 p.m.200
#5J. M. (jomandi)March 6, 2014, 12:57 p.m.200
#6E.T (Ertheb)March 6, 2014, 10:29 p.m.150
#7Bart den Hartog (Bart13)March 8, 2014, 12:38 a.m.133
#8Thomas Lambert (lambert)March 8, 2014, 1:34 p.m.133
#9George (Theofanidis)March 9, 2014, 8:56 a.m.125
#10Michael Möller (michaelm)March 9, 2014, 5:27 p.m.120
Enigma Messages with Repeated Letters — Part 3
Name (Username)DatePoints
Armin Krauss (argh)March 5, 2014, 5:28 p.m.200
J. M. (jomandi)March 5, 2014, 7:28 p.m.200
E.T (Ertheb)March 5, 2014, 9:21 p.m.200
#4Viktor (Veselovský)March 5, 2014, 10:02 p.m.200
#5Kurt Gebauer (Yokozuna)March 6, 2014, 12:12 a.m.200
#6Snake (snk)March 6, 2014, 10:31 a.m.200
#7Em Doulgerakis (Greko)March 6, 2014, 11:58 a.m.200
#8H. Lautenschlager (helmi)March 6, 2014, 4:05 p.m.150
#9Michael Möller (michaelm)March 6, 2014, 4:14 p.m.150
#10Bart den Hartog (Bart13)March 8, 2014, 12:26 a.m.133
Enigma Messages with Repeated Letters — Part 2
Name (Username)DatePoints
Armin Krauss (argh)Oct. 28, 2013, 11:12 p.m.200
Viktor (Veselovský)Oct. 29, 2013, 1:39 a.m.200
Em Doulgerakis (Greko)Oct. 29, 2013, 11:32 a.m.200
#4Kurt Gebauer (Yokozuna)Oct. 29, 2013, 4:44 p.m.200
#5Alexander (cruachan)Oct. 30, 2013, 5:04 p.m.150
#6Michael Möller (michaelm)Oct. 31, 2013, 4:18 p.m.133
#7Forrest Gump (Polyphem)Nov. 1, 2013, 5 p.m.125
#8J. M. (jomandi)Nov. 2, 2013, 1:33 a.m.120
#9Seth Kintigh (DarkFibre)Nov. 2, 2013, 4:20 a.m.120
#10Timo (Amarth)Nov. 2, 2013, 11:43 a.m.120
Trifid Cipher
Name (Username)DatePoints
Armin Krauss (argh)Oct. 29, 2013, 12:11 a.m.200
Kurt Gebauer (Yokozuna)Oct. 29, 2013, 1:01 a.m.200
Viktor (Veselovský)Oct. 29, 2013, 1:09 a.m.200
#4Snake (snk)Oct. 29, 2013, 11:28 a.m.200
#5H. Lautenschlager (helmi)Oct. 29, 2013, 12:02 p.m.200
#6Hans Peter (hanspeter)Oct. 29, 2013, 1:43 p.m.200
#7zahir mohsen moradi (ariobarzan)Oct. 29, 2013, 2:26 p.m.200
#8Michael Möller (michaelm)Oct. 29, 2013, 5:20 p.m.200
#9E.T (Ertheb)Oct. 29, 2013, 5:44 p.m.200
#10J. M. (jomandi)Oct. 30, 2013, 10 a.m.150
Enigma Messages with Repeated Letters — Part 1
Name (Username)DatePoints
Armin Krauss (argh)Sept. 26, 2013, 3:14 p.m.200
H. Lautenschlager (helmi)Sept. 26, 2013, 3:43 p.m.200
J. M. (jomandi)Sept. 26, 2013, 3:57 p.m.200
#4Alexander (cruachan)Sept. 26, 2013, 4:49 p.m.200
#5Em Doulgerakis (Greko)Sept. 26, 2013, 6:21 p.m.200
#6Kurt Gebauer (Yokozuna)Sept. 26, 2013, 7:48 p.m.200
#7George (Theofanidis)Sept. 26, 2013, 8:04 p.m.200
#8KW (qwer*)Sept. 26, 2013, 9:25 p.m.200
#9Michael Möller (michaelm)Sept. 26, 2013, 9:53 p.m.200
#10AliazerSept. 26, 2013, 9:56 p.m.200
Hill Cipher with Sudoku Key
Name (Username)DatePoints
Armin Krauss (argh)Sept. 4, 2013, 4:45 p.m.200
George (Theofanidis)Sept. 4, 2013, 6:43 p.m.200
masam (jimboo)Sept. 5, 2013, 12:18 a.m.200
#4E.T (Ertheb)Sept. 5, 2013, 12:53 p.m.200
#5Andreas Wolff (timberwolff)Sept. 6, 2013, 6:49 p.m.133
#6Alexander (cruachan)Sept. 7, 2013, 3:30 a.m.133
#7zahir mohsen moradi (ariobarzan)Sept. 7, 2013, 12:07 p.m.133
#8H. Lautenschlager (helmi)Sept. 8, 2013, 3:06 p.m.125
#9Kurt Gebauer (Yokozuna)Sept. 8, 2013, 3:12 p.m.125
#10Luigi Tomelli (archstanton)Sept. 8, 2013, 4:04 p.m.125
From Russia with Love
Name (Username)DatePoints
Armin Krauss (argh)Sept. 4, 2013, 2:45 p.m.200
J. M. (jomandi)Sept. 4, 2013, 4:39 p.m.200
Snake (snk)Sept. 4, 2013, 5:09 p.m.200
#4Em Doulgerakis (Greko)Sept. 4, 2013, 5:42 p.m.200
#5H. Lautenschlager (helmi)Sept. 4, 2013, 6:09 p.m.200
#6E.T (Ertheb)Sept. 4, 2013, 6:39 p.m.200
#7George (Theofanidis)Sept. 4, 2013, 7:36 p.m.200
#8Kurt Gebauer (Yokozuna)Sept. 4, 2013, 11:29 p.m.200
#9masam (jimboo)Sept. 4, 2013, 11:40 p.m.200
#10Hans Peter (hanspeter)Sept. 5, 2013, 11:58 a.m.200
Nils away on travel
Name (Username)DatePoints
Armin Krauss (argh)Aug. 8, 2013, 1:22 p.m.200
Viktor (Veselovský)Aug. 8, 2013, 1:43 p.m.200
J. M. (jomandi)Aug. 8, 2013, 2:10 p.m.200
#4Em Doulgerakis (Greko)Aug. 8, 2013, 2:39 p.m.200
#5Daniel Fretwell (fretty)Aug. 8, 2013, 3:30 p.m.200
#6Snake (snk)Aug. 8, 2013, 6:28 p.m.200
#7j.h. (haegarq)Aug. 8, 2013, 6:38 p.m.200
#8dbuqAug. 8, 2013, 7:19 p.m.200
#9George (Theofanidis)Aug. 8, 2013, 9:19 p.m.200
#10Bernhard Gruber (bgr)Aug. 9, 2013, 12:16 a.m.200
RSA Factoring Challenge: RSA-704
Name (Username)DatePoints
Armin Krauss (argh)July 31, 2013, 6:55 p.m.0
Viktor (Veselovský)July 31, 2013, 7:30 p.m.0
J. M. (jomandi)Aug. 1, 2013, 12:19 a.m.0
#4Luigi Tomelli (archstanton)Aug. 1, 2013, 9:37 a.m.0
#5Ralf Stephan (rwst)Aug. 1, 2013, 10:15 a.m.0
#6masam (jimboo)Aug. 15, 2013, 10:34 a.m.0
#7Philipp Hammer-Pohlau (phase2)Aug. 15, 2013, 11:16 a.m.0
#8Andreas Wolff (timberwolff)Sept. 6, 2013, 10:18 p.m.0
#9Seth Kintigh (DarkFibre)Oct. 10, 2013, 5:47 a.m.0
#10fact (factoreal)Nov. 22, 2013, 7:15 p.m.0
ORYX Stream Cipher — Part 3 (revised)
Name (Username)DatePoints
Viktor (Veselovský)June 6, 2013, 10:17 p.m.2000
J. M. (jomandi)June 6, 2013, 11:37 p.m.2000
Kurt Gebauer (Yokozuna)June 7, 2013, 3:14 a.m.2000
#4George (Theofanidis)June 7, 2013, 5:16 a.m.2000
#5Armin Krauss (argh)June 7, 2013, 8:33 p.m.2000
#6Hans Peter (hanspeter)June 13, 2013, 12:21 p.m.1547
#7Luigi Tomelli (archstanton)June 13, 2013, 10:19 p.m.1523
#8Em Doulgerakis (Greko)July 3, 2013, 9:44 a.m.1349
#9zahir mohsen moradi (ariobarzan)July 6, 2013, 6:44 a.m.1337
#10Forrest Gump (Polyphem)Nov. 25, 2013, 9:40 p.m.1196
Snow White and the seven dwarfs
Name (Username)DatePoints
Kurt Gebauer (Yokozuna)April 20, 2013, 1:44 p.m.200
J. M. (jomandi)April 20, 2013, 1:54 p.m.200
H. Lautenschlager (helmi)April 20, 2013, 1:56 p.m.200
#4Viktor (Veselovský)April 20, 2013, 2:49 p.m.200
#5Armin Krauss (argh)April 20, 2013, 3:45 p.m.200
#6Dayana Behrens (Dayana)April 21, 2013, 1:30 p.m.150
#7Bart den Hartog (Bart13)April 21, 2013, 11:05 p.m.150
#8Bernhard Gruber (bgr)April 22, 2013, 9:36 a.m.150
#9Roland Jansen (roland)April 22, 2013, 11:27 a.m.133
#10Luigi Tomelli (archstanton)April 22, 2013, 11:39 a.m.133
Typex — Part 2
Name (Username)DatePoints
J. M. (jomandi)April 4, 2013, 12:08 a.m.2000
Kurt Gebauer (Yokozuna)April 4, 2013, 2:36 a.m.2000
Seth Kintigh (DarkFibre)April 4, 2013, 3:51 a.m.2000
#4Luigi Tomelli (archstanton)April 5, 2013, 9:50 p.m.1725
#5Armin Krauss (argh)April 9, 2013, 1:57 p.m.1576
#6George (Theofanidis)April 27, 2013, 11:56 a.m.1362
#7zahir mohsen moradi (ariobarzan)Aug. 2, 2013, 2:56 p.m.1217
#8Bart den Hartog (Bart13)Oct. 2, 2013, 12:16 a.m.1193
#9Forrest Gump (Polyphem)Oct. 4, 2013, 12:42 a.m.1192
#10E.T (Ertheb)Dec. 12, 2013, 7:08 p.m.1175
Cascading Encryption — Part 3/3
Name (Username)DatePoints
Luigi Tomelli (archstanton)April 8, 2013, 11:32 a.m.1485
J. M. (jomandi)April 23, 2013, 9:11 p.m.1353
George Lasry (george4096)Oct. 7, 2013, 4:33 a.m.1190
#4Em Doulgerakis (Greko)Oct. 19, 2013, 5:49 p.m.1186
#5Kurt Gebauer (Yokozuna)Nov. 1, 2013, 9:31 a.m.1183
#6Bart den Hartog (Bart13)June 2, 2014, 2:03 a.m.1150
#7Viktor (Veselovský)June 22, 2014, 10:08 p.m.1148
#8Alain (Integral)Nov. 20, 2014, 3:44 p.m.1136
#9Armin Krauss (argh)June 17, 2015, 12:20 p.m.1125
#10Szabó Zoltán (szabo.z87)March 1, 2016, 3:51 p.m.1116
Cascading Encryption — Part 2/3
Name (Username)DatePoints
Luigi Tomelli (archstanton)March 31, 2013, 8:34 p.m.1547
J. M. (jomandi)April 21, 2013, 3:29 p.m.1349
Armin Krauss (argh)July 31, 2013, 7:03 p.m.1214
#4Em Doulgerakis (Greko)Sept. 14, 2013, 11:30 p.m.1195
#5George Lasry (george4096)Sept. 21, 2013, 1:27 a.m.1193
#6Kurt Gebauer (Yokozuna)Oct. 18, 2013, 10:38 p.m.1185
#7Bart den Hartog (Bart13)June 1, 2014, 11:10 a.m.1150
#8Viktor (Veselovský)June 9, 2014, 1:03 a.m.1149
#9Alain (Integral)Nov. 11, 2014, 11:43 a.m.1137
#10Szabó Zoltán (szabo.z87)March 1, 2016, 9:39 a.m.1116
Reserve Hand Procedure — Part 1
Name (Username)DatePoints
H. Lautenschlager (helmi)March 6, 2013, 10:27 p.m.200
Viktor (Veselovský)March 6, 2013, 10:41 p.m.200
J. M. (jomandi)March 6, 2013, 10:50 p.m.200
#4Kurt Gebauer (Yokozuna)March 6, 2013, 11:14 p.m.200
#5Bart den Hartog (Bart13)March 7, 2013, 12:59 a.m.200
#6Luigi Tomelli (archstanton)March 7, 2013, 9:46 a.m.200
#7George (Theofanidis)March 7, 2013, 12:02 p.m.200
#8Snake (snk)March 7, 2013, 1:12 p.m.200
#9Hans Peter (hanspeter)March 7, 2013, 1:40 p.m.200
#10David (aki321)March 7, 2013, 5:17 p.m.200
Typex — Part 1
Name (Username)DatePoints
Armin Krauss (argh)Feb. 28, 2013, 11:48 p.m.2000
Kurt Gebauer (Yokozuna)March 3, 2013, 1:19 a.m.1725
J. M. (jomandi)March 4, 2013, 3:08 p.m.1613
#4Luigi Tomelli (archstanton)March 12, 2013, 9:42 a.m.1456
#5Viktor (Veselovský)March 20, 2013, 6:57 p.m.1378
#6George (Theofanidis)May 10, 2013, 6:12 a.m.1256
#7DirkS (Dustman)May 13, 2013, 7:57 a.m.1253
#8zahir mohsen moradi (ariobarzan)Aug. 2, 2013, 2:55 p.m.1202
#9Forrest Gump (Polyphem)Sept. 28, 2013, 10:28 p.m.1184
#10Bart den Hartog (Bart13)Oct. 1, 2013, 1:01 a.m.1184
Multilingual Monoalphabetic Substitution
Name (Username)DatePoints
E.T (Ertheb)Jan. 30, 2013, 5:43 p.m.200
Armin Krauss (argh)Jan. 30, 2013, 9:36 p.m.200
Viktor (Veselovský)Jan. 31, 2013, 1:07 a.m.200
#4Snake (snk)Jan. 31, 2013, 4:01 p.m.150
#5kevin shaw (steggily)Feb. 1, 2013, 1:37 p.m.150
#6Iain Sharp (WoodenHedgehog)Feb. 1, 2013, 1:40 p.m.150
#7David (aki321)Feb. 1, 2013, 1:50 p.m.150
#8H. Lautenschlager (helmi)Feb. 2, 2013, 8:48 p.m.125
#9Kurt Gebauer (Yokozuna)Feb. 2, 2013, 8:57 p.m.125
#10J. M. (jomandi)Feb. 16, 2013, 12:48 a.m.106
Cascading Encryption — Part 1/3
Name (Username)DatePoints
Viktor (Veselovský)Jan. 25, 2013, 3:50 p.m.200
Bart den Hartog (Bart13)Jan. 25, 2013, 8:50 p.m.200
J. M. (jomandi)Jan. 26, 2013, 2:06 a.m.200
#4Hans Peter (hanspeter)Jan. 26, 2013, 3:09 a.m.200
#5Armin Krauss (argh)Jan. 26, 2013, 11:18 a.m.200
#6E.T (Ertheb)Jan. 26, 2013, 1:32 p.m.200
#7Michel Van Caneghem (vancan)Jan. 26, 2013, 8:46 p.m.150
#8Kurt Gebauer (Yokozuna)Jan. 28, 2013, 11:40 p.m.125
#9Snake (snk)March 8, 2013, 12:09 p.m.102
#10Kirill (ineaugh)March 18, 2013, 11:06 p.m.102
Enigma Messages
Name (Username)DatePoints
Viktor (Veselovský)Jan. 23, 2013, 6:33 p.m.200
E.T (Ertheb)Jan. 23, 2013, 8:02 p.m.200
Armin Krauss (argh)Jan. 23, 2013, 10:01 p.m.200
#4J. M. (jomandi)Jan. 23, 2013, 11:06 p.m.200
#5Hans Peter (hanspeter)Jan. 24, 2013, 10:43 a.m.200
#6Kurt Gebauer (Yokozuna)Jan. 24, 2013, 12:33 p.m.200
#7Bart den Hartog (Bart13)Jan. 24, 2013, 4:40 p.m.150
#8H. Lautenschlager (helmi)Jan. 24, 2013, 5:16 p.m.150
#9Roland Jansen (roland)Jan. 25, 2013, 9:54 p.m.133
#10Luigi Tomelli (archstanton)Jan. 29, 2013, 1:38 p.m.117
Playfair with hints about the grid
Name (Username)DatePoints
Hans Peter (hanspeter)Jan. 16, 2013, 5:40 p.m.200
J. M. (jomandi)Jan. 16, 2013, 5:50 p.m.200
Viktor (Veselovský)Jan. 16, 2013, 6:13 p.m.200
#4Armin Krauss (argh)Jan. 16, 2013, 7 p.m.200
#5Kurt Gebauer (Yokozuna)Jan. 16, 2013, 9:05 p.m.200
#6E.T (Ertheb)Jan. 17, 2013, 8:50 a.m.200
#7Bart den Hartog (Bart13)Jan. 17, 2013, 11 a.m.200
#8Seth Kintigh (DarkFibre)Jan. 17, 2013, 7:26 p.m.150
#9Em Doulgerakis (Greko)Jan. 17, 2013, 11:51 p.m.150
#10Iain Sharp (WoodenHedgehog)Jan. 18, 2013, 2:17 p.m.133
A hidden word
Name (Username)DatePoints
Bart den Hartog (Bart13)Jan. 6, 2013, 3:42 p.m.200
Camille (Kam139)Jan. 6, 2013, 3:47 p.m.200
Viktor (Veselovský)Jan. 6, 2013, 3:49 p.m.200
#4Armin Krauss (argh)Jan. 6, 2013, 4:15 p.m.200
#5H. Lautenschlager (helmi)Jan. 6, 2013, 4:45 p.m.200
#6Kurt Gebauer (Yokozuna)Jan. 6, 2013, 4:45 p.m.200
#7Michael Möller (michaelm)Jan. 6, 2013, 6:32 p.m.200
#8Julia Werdelmann (jw)Jan. 6, 2013, 7:44 p.m.200
#9KW (qwer*)Jan. 6, 2013, 8:22 p.m.200
#10J. M. (jomandi)Jan. 6, 2013, 10:09 p.m.200
Strange Message from Thessaloniki
Name (Username)DatePoints
Hans Peter (hanspeter)Dec. 10, 2012, 8:46 p.m.200
Viktor (Veselovský)Dec. 10, 2012, 9:35 p.m.200
Armin Krauss (argh)Dec. 10, 2012, 9:35 p.m.200
#4Bart den Hartog (Bart13)Dec. 11, 2012, 12:52 a.m.200
#5Kurt Gebauer (Yokozuna)Dec. 11, 2012, 5:49 a.m.200
#6J. M. (jomandi)Dec. 11, 2012, 11:06 p.m.150
#7Michael Möller (michaelm)Dec. 18, 2012, 5:37 p.m.111
#8Julia Werdelmann (jw)Dec. 19, 2012, 11:41 p.m.110
#9KW (qwer*)Jan. 6, 2013, 8:23 p.m.104
#10Kirill (ineaugh)March 23, 2013, 2:30 a.m.101
Recycled One-Time Pad
Name (Username)DatePoints
Hans Peter (hanspeter)Nov. 26, 2012, 5:48 p.m.114
H. Lautenschlager (helmi)Nov. 26, 2012, 7:16 p.m.114
Kurt Gebauer (Yokozuna)Nov. 26, 2012, 7:21 p.m.114
#4Viktor (Veselovský)Nov. 26, 2012, 11:22 p.m.114
#5Bart den Hartog (Bart13)Nov. 27, 2012, 3:02 a.m.114
#6Armin Krauss (argh)Nov. 27, 2012, 11:55 p.m.113
#7Michael Möller (michaelm)Nov. 28, 2012, 4:48 p.m.111
#8J. M. (jomandi)Nov. 28, 2012, 11:42 p.m.111
#9George (Theofanidis)Nov. 30, 2012, 8:34 p.m.109
#10Luigi Tomelli (archstanton)Dec. 1, 2012, 9:43 a.m.109
Letter to the Templars — Part 3
Name (Username)DatePoints
J. M. (jomandi)Oct. 9, 2012, 3:34 p.m.2000
Bart den Hartog (Bart13)Oct. 9, 2012, 4:24 p.m.2000
Kurt Gebauer (Yokozuna)Oct. 9, 2012, 4:42 p.m.2000
#4Viktor (Veselovský)Oct. 9, 2012, 5:40 p.m.2000
#5H. Lautenschlager (helmi)Oct. 9, 2012, 6:06 p.m.2000
#6Armin Krauss (argh)Oct. 9, 2012, 6:08 p.m.2000
#7Roland Jansen (roland)Oct. 9, 2012, 6:18 p.m.2000
#8j.h. (haegarq)Oct. 9, 2012, 7:03 p.m.2000
#9Hank (hanky)Oct. 9, 2012, 7:32 p.m.2000
#10Hannes (Hartmann)Oct. 9, 2012, 8:17 p.m.2000
BCR code (Book-Caesar-RSA)
Name (Username)DatePoints
Seth Kintigh (DarkFibre)Sept. 12, 2012, 10:05 p.m.2000
Armin Krauss (argh)Sept. 12, 2012, 10:42 p.m.2000
Viktor (Veselovský)Sept. 13, 2012, 3:09 a.m.2000
#4Em Doulgerakis (Greko)Sept. 13, 2012, 11:06 a.m.2000
#5J. M. (jomandi)Sept. 13, 2012, 3:36 p.m.2000
#6Luigi Tomelli (archstanton)Sept. 13, 2012, 6:37 p.m.1824
#7RPH (derichard)Sept. 13, 2012, 10:38 p.m.1824
#8Bart den Hartog (Bart13)Sept. 14, 2012, 10:58 a.m.1824
#9Hans Peter (hanspeter)Sept. 14, 2012, 4:54 p.m.1824
#10vas (pet)Sept. 14, 2012, 6:28 p.m.1824
Beaver Code
Name (Username)DatePoints
Kurt Gebauer (Yokozuna)Aug. 13, 2012, 8:37 p.m.200
H. Lautenschlager (helmi)Aug. 13, 2012, 8:45 p.m.200
J. M. (jomandi)Aug. 13, 2012, 8:54 p.m.200
#4David (aki321)Aug. 13, 2012, 9 p.m.200
#5Viktor (Veselovský)Aug. 13, 2012, 9:17 p.m.200
#6Armin Krauss (argh)Aug. 13, 2012, 9:47 p.m.200
#7P (PP65477)Aug. 13, 2012, 9:55 p.m.200
#8KW (qwer*)Aug. 13, 2012, 9:55 p.m.200
#9E.T (Ertheb)Aug. 13, 2012, 11:17 p.m.200
#10George (Theofanidis)Aug. 13, 2012, 11:38 p.m.200
Letter to the Templars — Part 2
Name (Username)DatePoints
H. Lautenschlager (helmi)July 30, 2012, 8:20 p.m.200
Kurt Gebauer (Yokozuna)July 30, 2012, 8:40 p.m.200
J. M. (jomandi)July 30, 2012, 8:51 p.m.200
#4Viktor (Veselovský)July 30, 2012, 8:56 p.m.200
#5Michael Möller (michaelm)July 30, 2012, 9:43 p.m.200
#6George (Theofanidis)July 30, 2012, 9:47 p.m.200
#7Stepan (m1sterx)July 30, 2012, 9:50 p.m.200
#8Armin Krauss (argh)July 30, 2012, 9:51 p.m.200
#9Seth Kintigh (DarkFibre)July 30, 2012, 11:55 p.m.200
#10Thomas Lambert (lambert)July 31, 2012, 8:33 a.m.200
Letter to the Templars — Part 1
Name (Username)DatePoints
Viktor (Veselovský)July 16, 2012, 10:14 p.m.200
Seth Kintigh (DarkFibre)July 16, 2012, 10:40 p.m.200
J. M. (jomandi)July 16, 2012, 10:58 p.m.200
#4Kurt Gebauer (Yokozuna)July 16, 2012, 10:59 p.m.200
#5Sebastian Slupina (Grandwizard)July 16, 2012, 11:16 p.m.200
#6H. Lautenschlager (helmi)July 16, 2012, 11:29 p.m.200
#7DanoJuly 17, 2012, 12:37 a.m.200
#8Bart den Hartog (Bart13)July 17, 2012, 2:19 a.m.200
#9Hans Peter (hanspeter)July 17, 2012, 11:03 a.m.200
#10Luigi Tomelli (archstanton)July 17, 2012, 11:23 a.m.200
Monoalphabetic Substitution with Camouflage — Part 6
Name (Username)DatePoints
Peter Mustermann (Gummiboot)Nov. 16, 2012, 3:13 p.m.1209
George Lasry (george4096)Sept. 29, 2023, 12:26 a.m.1080
An 'unhearable' message
Name (Username)DatePoints
Armin Krauss (argh)June 5, 2012, 10:45 p.m.200
Bart den Hartog (Bart13)June 6, 2012, 11:58 p.m.150
J. M. (jomandi)June 9, 2012, 3:45 p.m.125
#4Dusan (xxdradus)June 11, 2012, 10:18 a.m.117
#5jacobian1729June 23, 2012, 1:40 a.m.106
#6Seth Kintigh (DarkFibre)July 3, 2012, 2:28 a.m.104
#7Hannes (Hartmann)Sept. 18, 2012, 10:18 p.m.101
#8E.T (Ertheb)Sept. 27, 2012, 5:51 p.m.101
#9Harry (Schwabenbambi)Oct. 13, 2012, 12:31 p.m.101
#10Pierre Robier (tripleedged)Nov. 14, 2012, 10:16 p.m.101
How do you become a big cryptographer?
Name (Username)DatePoints
Hans Peter (hanspeter)May 28, 2012, 8:05 p.m.200
Armin Krauss (argh)May 28, 2012, 8:05 p.m.200
J. M. (jomandi)May 28, 2012, 11:26 p.m.200
#4Kurt Gebauer (Yokozuna)May 29, 2012, 1:44 a.m.200
#5Bart den Hartog (Bart13)May 29, 2012, 1:45 a.m.200
#6H. Lautenschlager (helmi)May 29, 2012, 9:37 a.m.200
#7Michael Möller (michaelm)May 29, 2012, 4:50 p.m.200
#8Christof Kleber (Loki)May 30, 2012, 10:39 a.m.150
#9William Gates (bgates87)June 2, 2012, 11:33 p.m.117
#10Dusan (xxdradus)June 4, 2012, 5:51 p.m.113
Keyshanc — Part 2
Name (Username)DatePoints
Viktor (Veselovský)May 21, 2012, 11:15 p.m.2000
Armin Krauss (argh)May 21, 2012, 11:46 p.m.2000
Seth Kintigh (DarkFibre)May 22, 2012, 12:25 a.m.2000
#4J. M. (jomandi)May 22, 2012, 12:37 a.m.2000
#5Kurt Gebauer (Yokozuna)May 22, 2012, 7:38 p.m.2000
#6Hans Peter (hanspeter)May 22, 2012, 10:20 p.m.1824
#7Bart den Hartog (Bart13)May 24, 2012, 11:54 a.m.1725
#8Michel Van Caneghem (vancan)May 24, 2012, 4:19 p.m.1725
#9Daniel Richter (TheHiveMind)June 6, 2012, 1:55 p.m.1414
#10Luigi Tomelli (archstanton)June 6, 2012, 8:46 p.m.1414
Keyshanc — Part 1
Name (Username)DatePoints
Viktor (Veselovský)May 21, 2012, 10:46 p.m.2000
J. M. (jomandi)May 21, 2012, 11:06 p.m.2000
Armin Krauss (argh)May 21, 2012, 11:10 p.m.2000
#4Seth Kintigh (DarkFibre)May 22, 2012, 12:08 a.m.2000
#5The Killer (Killer)May 22, 2012, 2:14 p.m.2000
#6Kurt Gebauer (Yokozuna)May 22, 2012, 2:27 p.m.2000
#7Hans Peter (hanspeter)May 22, 2012, 9:14 p.m.1824
#8Michel Van Caneghem (vancan)May 23, 2012, 9:26 p.m.1725
#9Bart den Hartog (Bart13)May 24, 2012, 11:12 a.m.1725
#10Luigi Tomelli (archstanton)May 31, 2012, 1:36 p.m.1485
Concealed Messages — Vigenère's Night Sky
Name (Username)DatePoints
Viktor (Veselovský)May 4, 2012, 3:23 a.m.2000
Armin Krauss (argh)May 5, 2012, 6:20 p.m.1807
J. M. (jomandi)May 13, 2012, 1 p.m.1613
#4E.T (Ertheb)Oct. 12, 2012, 10:20 p.m.1199
#5Bart den Hartog (Bart13)Dec. 21, 2012, 1:17 a.m.1179
#6Alain (Integral)March 5, 2014, 8:52 a.m.1132
#7Michael Doucha (mdou)March 26, 2014, 2:22 p.m.1131
#8Kurt Gebauer (Yokozuna)Feb. 8, 2015, 11:55 p.m.1118
#9Julia Bernotat (El Greco )Feb. 14, 2015, 11:07 a.m.1118
#10HolgerKFeb. 17, 2015, 12:22 p.m.1117
Number Sequence — Part 5
Name (Username)DatePoints
Viktor (Veselovský)April 24, 2012, 7:50 p.m.114
Armin Krauss (argh)April 24, 2012, 8:13 p.m.114
J. M. (jomandi)April 24, 2012, 8:44 p.m.114
#4Bart den Hartog (Bart13)April 24, 2012, 10:52 p.m.114
#5AliazerApril 25, 2012, 1:36 a.m.114
#6captp (bdcht)April 29, 2012, 11:26 a.m.109
#7Daniel Richter (TheHiveMind)June 12, 2012, 4:26 p.m.102
#8Steven Bi (chenhsi)June 14, 2012, 7:46 p.m.102
#9Seth Kintigh (DarkFibre)July 3, 2012, 12:22 a.m.101
#10Em Doulgerakis (Greko)July 3, 2012, 11:16 p.m.101
Number Sequence — Part 4
Name (Username)DatePoints
Viktor (Veselovský)April 24, 2012, 7:50 p.m.114
Armin Krauss (argh)April 24, 2012, 8:13 p.m.114
J. M. (jomandi)April 24, 2012, 8:43 p.m.114
#4E.T (Ertheb)April 24, 2012, 8:50 p.m.114
#5Bart den Hartog (Bart13)April 24, 2012, 10:50 p.m.114
#6AliazerApril 25, 2012, 1:35 a.m.114
#7Seth Kintigh (DarkFibre)April 25, 2012, 5:35 a.m.114
#8Roland Jansen (roland)April 25, 2012, 6:15 a.m.114
#9Hans Peter (hanspeter)April 25, 2012, 6:50 a.m.114
#10Kurt Gebauer (Yokozuna)April 25, 2012, 8:36 a.m.114
¿No Hablas Español? No problemo!
Name (Username)DatePoints
The Killer (Killer)April 18, 2012, 8:27 p.m.200
Seth Kintigh (DarkFibre)April 18, 2012, 8:36 p.m.200
Viktor (Veselovský)April 18, 2012, 8:40 p.m.200
#4Thomas Lambert (lambert)April 18, 2012, 9:53 p.m.200
#5AliazerApril 18, 2012, 10:51 p.m.200
#6j.h. (haegarq)April 18, 2012, 11:33 p.m.200
#7Armin Krauss (argh)April 19, 2012, 9:04 a.m.200
#8J. M. (jomandi)April 19, 2012, 3:46 p.m.200
#9E.T (Ertheb)April 22, 2012, 6:33 p.m.125
#10Luigi Tomelli (archstanton)April 23, 2012, 9:28 a.m.120
Number Sequence — Part 3
Name (Username)DatePoints
J. M. (jomandi)March 30, 2012, 11:43 p.m.200
Viktor (Veselovský)March 30, 2012, 11:56 p.m.200
The Killer (Killer)March 31, 2012, 1:05 a.m.200
#4Seth Kintigh (DarkFibre)March 31, 2012, 7:13 a.m.200
#5Roland Jansen (roland)March 31, 2012, 8:06 a.m.200
#6Luigi Tomelli (archstanton)March 31, 2012, 9:22 a.m.200
#7Armin Krauss (argh)March 31, 2012, 9:40 a.m.200
#8Hans Peter (hanspeter)March 31, 2012, 10:54 a.m.200
#9Thomas Lambert (lambert)March 31, 2012, 11:15 a.m.200
#10dbuqMarch 31, 2012, 7:28 p.m.200
The Book Code: A Challenge for Bookworms
Name (Username)DatePoints
Viktor (Veselovský)March 21, 2012, 2:09 p.m.200
Hans Peter (hanspeter)March 21, 2012, 4:45 p.m.200
Armin Krauss (argh)March 21, 2012, 6:35 p.m.200
#4Kurt Gebauer (Yokozuna)March 21, 2012, 6:40 p.m.200
#5Seth Kintigh (DarkFibre)March 21, 2012, 7:27 p.m.200
#6Nathan (Witten)March 21, 2012, 10:23 p.m.200
#7J. M. (jomandi)March 21, 2012, 10:28 p.m.200
#8dbuqMarch 21, 2012, 11:36 p.m.200
#9Bart den Hartog (Bart13)March 22, 2012, 11:24 a.m.150
#10Christof Kleber (Loki)March 22, 2012, 2:41 p.m.150
Monoalphabetic Substitution with Camouflage — Part 5
Name (Username)DatePoints
The Killer (Killer)March 10, 2012, 6:17 p.m.2000
J. M. (jomandi)March 10, 2012, 6:57 p.m.2000
Armin Krauss (argh)March 10, 2012, 9:16 p.m.2000
#4Seth Kintigh (DarkFibre)March 11, 2012, 12:47 a.m.1824
#5Peter Mustermann (Gummiboot)March 16, 2012, 8:59 p.m.1547
#6Bart den Hartog (Bart13)March 30, 2012, 11:45 a.m.1378
#7zahir mohsen moradi (ariobarzan)Aug. 30, 2013, 5:08 p.m.1141
#8Alain (Integral)Jan. 2, 2014, 11:38 p.m.1133
#9George (Theofanidis)June 9, 2014, 4:23 p.m.1125
#10Snake (snk)June 15, 2014, 3:52 p.m.1125
ECDH-Key Exchange for Beginners
Name (Username)DatePoints
Viktor (Veselovský)Feb. 24, 2012, 1:30 a.m.200
Bart den Hartog (Bart13)Feb. 24, 2012, 5:01 a.m.200
Seth Kintigh (DarkFibre)Feb. 24, 2012, 5:50 a.m.200
#4Armin Krauss (argh)Feb. 24, 2012, 8:50 a.m.200
#5Hans Peter (hanspeter)Feb. 24, 2012, 10:54 a.m.200
#6J. M. (jomandi)Feb. 24, 2012, 1:48 p.m.200
#7dbuqFeb. 24, 2012, 3:06 p.m.200
#8Nathan (Witten)Feb. 25, 2012, 12:13 a.m.150
#9Roland Jansen (roland)Feb. 26, 2012, 4:55 p.m.133
#10Lukas (Kahla)Feb. 26, 2012, 9:45 p.m.133
Partial Key Exposure with RSA — Part 1
Name (Username)DatePoints
Bart den Hartog (Bart13)Feb. 11, 2012, 1:23 p.m.2000
Viktor (Veselovský)Feb. 11, 2012, 1:32 p.m.2000
J. M. (jomandi)Feb. 11, 2012, 1:58 p.m.2000
#4Nathan (Witten)Feb. 11, 2012, 2:53 p.m.2000
#5The Killer (Killer)Feb. 11, 2012, 3:19 p.m.2000
#6Armin Krauss (argh)Feb. 11, 2012, 4:11 p.m.2000
#7Michel Van Caneghem (vancan)Feb. 11, 2012, 5:53 p.m.2000
#8Seth Kintigh (DarkFibre)Feb. 11, 2012, 8:11 p.m.2000
#9Peter Mustermann (Gummiboot)Feb. 12, 2012, 2:49 p.m.1824
#10Jean-Baptiste Mossé (intersect)Feb. 16, 2012, 1:24 p.m.1576
RSA Factoring Challenge: RSA-250
Name (Username)DatePoints
George (Theofanidis)March 12, 2020, 9:20 p.m.0
Snake (snk)March 16, 2020, 10:31 p.m.0
Erik (Erox)March 17, 2020, 4:24 p.m.0
#4simone (xseris)April 14, 2020, 9:48 a.m.0
#5D3d4lu5May 6, 2020, 6:10 p.m.0
#6Alain Collignon (vexilla72)July 13, 2020, 4:19 p.m.0
#7nootherAug. 11, 2020, 3:02 a.m.0
#80bliviateAug. 17, 2020, 7:26 p.m.0
#9George Lasry (george4096)Sept. 6, 2020, 12:14 p.m.0
#10Kevin Shepherd (kshepherd)Sept. 14, 2020, 6:15 a.m.0
RSA Factoring Challenge: RSA-240
Name (Username)DatePoints
Snake (snk)Dec. 2, 2019, 8:05 p.m.0
Kurt Gebauer (Yokozuna)Dec. 3, 2019, 2:09 a.m.0
Zihan Zheng (zzh1996)Dec. 13, 2019, 9:51 p.m.0
#4George (Theofanidis)Dec. 15, 2019, 10:40 p.m.0
#5AntaresMarch 2, 2020, 11 a.m.0
#6Erik (Erox)March 17, 2020, 4:26 p.m.0
#7simone (xseris)April 14, 2020, 9:46 a.m.0
#8D3d4lu5May 6, 2020, 6:08 p.m.0
#9Alain Collignon (vexilla72)July 9, 2020, 7:54 a.m.0
#100bliviateAug. 17, 2020, 7:24 p.m.0
RSA Factoring Challenge: RSA-232
Name (Username)DatePoints
George (Theofanidis)March 12, 2020, 9:24 p.m.0
Erik (Erox)March 17, 2020, 4:25 p.m.0
Snake (snk)March 25, 2020, 1:36 p.m.0
#4simone (xseris)April 14, 2020, 9:43 a.m.0
#5D3d4lu5May 6, 2020, 6:09 p.m.0
#6Alain Collignon (vexilla72)July 9, 2020, 7:48 a.m.0
#70bliviateAug. 17, 2020, 7:30 p.m.0
#8George Lasry (george4096)Sept. 6, 2020, 12:13 p.m.0
#9Kevin Shepherd (kshepherd)Sept. 14, 2020, 6:16 a.m.0
#10Alexander W. Janssen (itnomad)Feb. 10, 2021, 5:02 p.m.0
RSA Factoring Challenge: RSA-230
Name (Username)DatePoints
Random Dude (rnd)Nov. 6, 2018, 5:26 p.m.0
George (Theofanidis)Nov. 7, 2018, 6:49 p.m.0
Armin Krauss (argh)Nov. 7, 2018, 9:12 p.m.0
#4Viktor (Veselovský)Nov. 7, 2018, 10:42 p.m.0
#5D3d4lu5Nov. 10, 2018, 5:51 p.m.0
#6Snake (snk)Nov. 10, 2018, 11:19 p.m.0
#7Erik (Erox)Nov. 16, 2018, 1:08 p.m.0
#8mglarraganJan. 13, 2019, 8:31 p.m.0
#9error501Jan. 31, 2019, 9:16 p.m.0
#10LiaMarch 9, 2019, 1:11 a.m.0
RSA Factoring Challenge: RSA-220
Name (Username)DatePoints
Viktor (Veselovský)Nov. 23, 2016, 11:38 a.m.0
Snake (snk)Dec. 1, 2016, 4:20 p.m.0
S (Zyphe)Jan. 2, 2017, 7:39 p.m.0
#4Bart den Hartog (Bart13)Jan. 25, 2017, 7:34 p.m.0
#5Calebe (calebe.rocha)May 5, 2017, 2:34 p.m.0
#6Kasia (kasia-tutej)June 16, 2017, 8:59 p.m.0
#7George (Theofanidis)July 22, 2017, 1:24 p.m.0
#8HolgerKDec. 8, 2017, 9:34 p.m.0
#9Rainer Zufall (kiekuk)Dec. 19, 2017, 10:48 p.m.0
#10D3d4lu5April 28, 2018, 7:03 p.m.0
RSA Factoring Challenge: RSA-210
Name (Username)DatePoints
Viktor (Veselovský)Nov. 27, 2013, 6:28 p.m.0
Armin Krauss (argh)Dec. 1, 2013, 6:31 p.m.0
Francisco Moraes (fmoraes)Dec. 1, 2013, 7:58 p.m.0
#4J. M. (jomandi)Dec. 1, 2013, 10:53 p.m.0
#5George (Theofanidis)Dec. 2, 2013, 6:54 p.m.0
#6Brad (braddrew)Dec. 8, 2013, 12:01 p.m.0
#7Csaba Fitzl (csaby)Dec. 31, 2013, 10:49 a.m.0
#8Bart den Hartog (Bart13)April 23, 2014, 4:20 p.m.0
#9caesar ([caesar])June 4, 2014, 2:01 p.m.0
#10 Thomas Gonda (TomG)Aug. 30, 2014, 8:39 p.m.0
AES key — encoded in the machine readable zone of a European ePassport
Name (Username)DatePoints
Seth Kintigh (DarkFibre)Jan. 16, 2012, 10:06 p.m.2000
Armin Krauss (argh)Jan. 16, 2012, 11:02 p.m.2000
Viktor (Veselovský)Jan. 17, 2012, 3:26 p.m.2000
#4J. M. (jomandi)Jan. 19, 2012, 4:01 p.m.1725
#5The Killer (Killer)Jan. 22, 2012, 6:55 p.m.1576
#6Luigi Tomelli (archstanton)Jan. 24, 2012, 10:52 a.m.1523
#7h3poJan. 30, 2012, 11:19 p.m.1423
#8dbuqFeb. 1, 2012, 7:17 p.m.1406
#9Christian Inci (ch100)Feb. 6, 2012, 9:24 a.m.1378
#10 Thomas Gonda (TomG)March 4, 2012, 10:18 p.m.1288
Factorization Cipher — Part 3
Name (Username)DatePoints
Mayuresh Anand (effort2break)Jan. 7, 2012, 9:39 p.m.1824
Armin Krauss (argh)Jan. 7, 2012, 10:35 p.m.1824
Nathan (Witten)Jan. 8, 2012, 1:11 a.m.1824
#4Seth Kintigh (DarkFibre)Jan. 8, 2012, 4:54 a.m.1824
#5Bart den Hartog (Bart13)Jan. 8, 2012, 9:32 a.m.1824
#6J. M. (jomandi)Jan. 8, 2012, 6:07 p.m.1725
#7Keith Randall (randall77)Jan. 8, 2012, 6:49 p.m.1725
#8David (aki321)Jan. 14, 2012, 8:20 p.m.1502
#9Michel Van Caneghem (vancan)March 4, 2012, 5:26 p.m.1272
#10Hans Peter (hanspeter)March 15, 2012, 9:28 a.m.1259
Monoalphabetic substitution with camouflage — Part 4
Name (Username)DatePoints
Armin Krauss (argh)Dec. 21, 2011, 11:01 p.m.200
Nathan (Witten)Dec. 22, 2011, 11:32 a.m.200
Bart den Hartog (Bart13)Dec. 22, 2011, 1:18 p.m.200
#4J. M. (jomandi)Dec. 22, 2011, 6:04 p.m.150
#5WombatJan. 8, 2012, 1:06 p.m.106
#6Martin Härterich (HaeM)Jan. 31, 2012, 3:34 p.m.102
#7Seth Kintigh (DarkFibre)Feb. 28, 2012, 8:32 p.m.101
#8Michael Möller (michaelm)April 22, 2012, 9:46 a.m.101
#9Michel Van Caneghem (vancan)June 16, 2012, 7:15 p.m.101
#10Kurt Gebauer (Yokozuna)July 1, 2012, 12:45 a.m.101
Monoalphabetic substitution with camouflage — Part 3
Name (Username)DatePoints
Armin Krauss (argh)Dec. 8, 2011, 2:37 p.m.2000
Bart den Hartog (Bart13)Dec. 8, 2011, 5:06 p.m.1824
David (aki321)Dec. 8, 2011, 6:35 p.m.1824
#4The Killer (Killer)Dec. 8, 2011, 11:19 p.m.1824
#5J. M. (jomandi)Dec. 9, 2011, 2:46 a.m.1824
#6Nathan (Witten)Dec. 10, 2011, 8:34 p.m.1660
#7Peter Mustermann (Gummiboot)Dec. 25, 2011, 6:42 p.m.1391
#8Seth Kintigh (DarkFibre)March 1, 2012, 9:43 p.m.1242
#9Michael Möller (michaelm)May 28, 2012, 9:55 a.m.1196
#10Michel Van Caneghem (vancan)May 30, 2012, 10:57 p.m.1195
Monoalphabetic substitution with camouflage — Part 2
Name (Username)DatePoints
Bart den Hartog (Bart13)Dec. 8, 2011, 9:15 p.m.1824
Armin Krauss (argh)Dec. 8, 2011, 9:48 p.m.1824
J. M. (jomandi)Dec. 9, 2011, 12:14 a.m.1824
#4The Killer (Killer)Dec. 9, 2011, 12:25 a.m.1824
#5David (aki321)Dec. 13, 2011, 4:08 p.m.1547
#6Nathan (Witten)Dec. 13, 2011, 9:43 p.m.1547
#7Peter Mustermann (Gummiboot)Dec. 25, 2011, 3:06 a.m.1398
#8Seth Kintigh (DarkFibre)March 1, 2012, 7:26 p.m.1242
#9captp (bdcht)May 10, 2012, 10:50 p.m.1202
#10Michel Van Caneghem (vancan)May 27, 2012, 6:34 p.m.1196
Factorization Cipher — Part 2
Name (Username)DatePoints
Keith Randall (randall77)Dec. 2, 2011, 1:04 a.m.2000
Seth Kintigh (DarkFibre)Dec. 2, 2011, 6:35 a.m.2000
Armin Krauss (argh)Dec. 2, 2011, 12:04 p.m.2000
#4J. M. (jomandi)Dec. 2, 2011, 2:05 p.m.2000
#5The Killer (Killer)Dec. 2, 2011, 9:37 p.m.1824
#6Bart den Hartog (Bart13)Dec. 5, 2011, 11:14 a.m.1660
#7Annie (Annanasss)Dec. 6, 2011, 8:08 p.m.1613
#8Nathan (Witten)Dec. 7, 2011, 9:47 p.m.1547
#9Peter Mustermann (Gummiboot)Dec. 24, 2011, 8:11 p.m.1367
#10jacobian1729Dec. 29, 2011, 8:15 p.m.1344
Unconcealed RSA messages
Name (Username)DatePoints
Armin Krauss (argh)Nov. 2, 2011, 4:49 p.m.2000
J. M. (jomandi)Nov. 3, 2011, 1:58 a.m.2000
Keith Randall (randall77)Nov. 3, 2011, 11:02 p.m.1824
#4The Killer (Killer)Nov. 4, 2011, 11:01 p.m.1725
#5Christian Matt (Luy)Nov. 14, 2011, 1:32 a.m.1456
#6jacobian1729Feb. 4, 2012, 11:37 p.m.1235
#7Seth Kintigh (DarkFibre)Feb. 23, 2012, 2:45 a.m.1222
#8Michel Van Caneghem (vancan)March 6, 2012, 6:56 a.m.1216
#9Martin Härterich (HaeM)April 5, 2012, 10:06 a.m.1202
#10Kurt Gebauer (Yokozuna)April 11, 2012, 12:48 a.m.1200
Monoalphabetic substitution with camouflage — Part 1
Name (Username)DatePoints
Seth Kintigh (DarkFibre)Nov. 1, 2011, 5:02 p.m.117
Bart den Hartog (Bart13)Nov. 1, 2011, 7:39 p.m.117
J. M. (jomandi)Nov. 3, 2011, 7:31 p.m.113
#4WombatJan. 7, 2012, 12:27 p.m.101
#5Armin Krauss (argh)Feb. 11, 2012, 4:28 p.m.101
#6Michael Möller (michaelm)April 18, 2012, 4:27 p.m.101
#7captp (bdcht)May 8, 2012, 1:53 p.m.101
#8Michel Van Caneghem (vancan)May 26, 2012, 11:20 a.m.100
#9Kurt Gebauer (Yokozuna)Aug. 1, 2012, 12:16 a.m.100
#10Stepan (m1sterx)Aug. 2, 2012, 2:26 p.m.100
Factorization Cipher — Part 1
Name (Username)DatePoints
David (aki321)Oct. 17, 2011, 7:11 p.m.200
Seth Kintigh (DarkFibre)Oct. 17, 2011, 8:42 p.m.200
Michael Möller (michaelm)Oct. 17, 2011, 8:55 p.m.200
#4Daniel Fretwell (fretty)Oct. 18, 2011, 12:25 a.m.200
#5J. M. (jomandi)Oct. 18, 2011, 1:56 a.m.200
#6dbuqOct. 18, 2011, 3:28 a.m.200
#7 Thomas Gonda (TomG)Oct. 18, 2011, 11:45 a.m.200
#8Christof Kleber (Loki)Oct. 18, 2011, 11:56 a.m.200
#9Armin Krauss (argh)Oct. 18, 2011, 7:35 p.m.150
#10The Killer (Killer)Oct. 18, 2011, 11:35 p.m.150
Turing Bombe Enigma I
Name (Username)DatePoints
Seth Kintigh (DarkFibre)Oct. 17, 2011, 8:20 p.m.200
Viktor (Veselovský)Oct. 18, 2011, 2:18 a.m.200
David (aki321)Oct. 18, 2011, 11:54 a.m.200
#4J. M. (jomandi)Oct. 18, 2011, 3:36 p.m.200
#5Armin Krauss (argh)Oct. 18, 2011, 7:36 p.m.150
#6Mutziman (mutziman)Oct. 20, 2011, 5:15 p.m.133
#7Christian Matt (Luy)Oct. 22, 2011, 3:15 a.m.120
#8DanoOct. 30, 2011, 8:02 p.m.107
#9Michal Musilek (mim3)Nov. 4, 2011, 5:06 p.m.106
#10Bart den Hartog (Bart13)Nov. 9, 2011, 1:51 a.m.104
An Invisible Message
Name (Username)DatePoints
Seth Kintigh (DarkFibre)Oct. 17, 2011, 10:25 p.m.200
J. M. (jomandi)Oct. 18, 2011, 3:35 p.m.200
Armin Krauss (argh)Oct. 18, 2011, 7:36 p.m.150
#4DanoOct. 30, 2011, 6:31 p.m.107
#5Christian Matt (Luy)Oct. 31, 2011, 10:02 p.m.107
#6The Killer (Killer)Nov. 9, 2011, 2:47 a.m.104
#7Bart den Hartog (Bart13)Nov. 14, 2011, 8:37 p.m.103
#8Michael Möller (michaelm)Nov. 30, 2011, 3:14 p.m.102
#9John Willemse (Melting Brains)Dec. 13, 2011, 2:19 p.m.102
#10Jascha Koch (yosh)Dec. 29, 2011, 1:26 p.m.101
Grille Cipher
Name (Username)DatePoints
Daniel Fretwell (fretty)Oct. 14, 2011, 6:18 p.m.200
Alexander Dockhorn (Descartes)Oct. 14, 2011, 6:47 p.m.200
TURINGBOMBE (TBREAKER)Oct. 14, 2011, 7:04 p.m.200
#4Viktor (Veselovský)Oct. 14, 2011, 7:55 p.m.200
#5J. M. (jomandi)Oct. 14, 2011, 8:53 p.m.200
#6Seth Kintigh (DarkFibre)Oct. 14, 2011, 8:55 p.m.200
#7Armin Krauss (argh)Oct. 14, 2011, 9:10 p.m.200
#8David (aki321)Oct. 15, 2011, 12:49 a.m.200
#9Roland Jansen (roland)Oct. 15, 2011, 1:48 p.m.200
#10HoltiOct. 15, 2011, 2:51 p.m.200
Double Columnar Transposition
Name (Username)DatePoints
Armin Krauss (argh)Oct. 12, 2011, 9:40 p.m.200
Michael Möller (michaelm)Oct. 12, 2011, 9:53 p.m.200
J. M. (jomandi)Oct. 12, 2011, 10:10 p.m.200
#4Seth Kintigh (DarkFibre)Oct. 13, 2011, 5:35 a.m.200
#5Viktor (Veselovský)Oct. 13, 2011, 1:28 p.m.200
#6The Killer (Killer)Oct. 14, 2011, 6:25 p.m.133
#7David (aki321)Nov. 8, 2011, 2:25 p.m.104
#8Bart den Hartog (Bart13)Nov. 30, 2011, 1:04 a.m.102
#9WombatDec. 11, 2011, 2:47 p.m.102
#10Flo Geht_dich gar_nichts_an (flo)Dec. 11, 2011, 8:01 p.m.102
Affine Codes / Modulo Arithmetic with N / Extended Euclid
Name (Username)DatePoints
mischa (mmisc)Sept. 9, 2011, 11:43 a.m.200
Roland Jansen (roland)Sept. 9, 2011, 11:43 a.m.200
Daniel Fretwell (fretty)Sept. 9, 2011, 12:12 p.m.200
#4dbuqSept. 9, 2011, 12:24 p.m.200
#5Armin Krauss (argh)Sept. 9, 2011, 1:13 p.m.200
#6Nicolas Golubovic (qll)Sept. 9, 2011, 1:21 p.m.200
#7Peter Mustermann (Gummiboot)Sept. 9, 2011, 1:31 p.m.200
#8Christof Kleber (Loki)Sept. 9, 2011, 1:45 p.m.200
#9kyprizelSept. 9, 2011, 1:47 p.m.200
#10Viktor (Veselovský)Sept. 9, 2011, 1:49 p.m.200
A really long number sequence
Name (Username)DatePoints
The Killer (Killer)Sept. 6, 2011, 4:39 a.m.2000
Armin Krauss (argh)Sept. 6, 2011, 2:07 p.m.2000
J. M. (jomandi)Sept. 6, 2011, 11:40 p.m.1824
#4DanoSept. 8, 2011, 6:15 p.m.1725
#5Peter Mustermann (Gummiboot)Sept. 9, 2011, 12:57 p.m.1660
#6h3poSept. 9, 2011, 12:58 p.m.1660
#7David (aki321)Sept. 9, 2011, 2:35 p.m.1660
#8Cleyton Muto (accepted_rush)Sept. 13, 2011, 5:16 p.m.1523
#9 Thomas Gonda (TomG)Sept. 14, 2011, 10:37 a.m.1502
#10Christof Kleber (Loki)Sept. 14, 2011, 4:17 p.m.1502
Pigpen with a twist — Part 1
Name (Username)DatePoints
dbuqSept. 5, 2011, 10:17 p.m.200
Viktor (Veselovský)Sept. 5, 2011, 10:17 p.m.200
Roland Jansen (roland)Sept. 5, 2011, 10:17 p.m.200
#4Michael Möller (michaelm)Sept. 5, 2011, 10:17 p.m.200
#5Seth Kintigh (DarkFibre)Sept. 5, 2011, 10:17 p.m.200
#6Armin Krauss (argh)Sept. 5, 2011, 10:17 p.m.200
#7WombatSept. 6, 2011, 11:57 a.m.200
#8kyprizelSept. 6, 2011, 12:53 p.m.200
#9ellegiSept. 6, 2011, 3:37 p.m.200
#10David (aki321)Sept. 6, 2011, 5:23 p.m.200
Pigpen with a twist — Part 3
Name (Username)DatePoints
J. M. (jomandi)Sept. 8, 2011, midnight1576
Roland Jansen (roland)Sept. 8, 2011, 7:55 p.m.1547
Viktor (Veselovský)Sept. 11, 2011, 2:50 p.m.1485
#4Seth Kintigh (DarkFibre)Oct. 20, 2011, 9:40 p.m.1288
#5Peter Mustermann (Gummiboot)Dec. 5, 2011, 4:19 p.m.1235
#6Nathan (Witten)Dec. 23, 2011, 3:45 p.m.1222
#7Bart den Hartog (Bart13)April 19, 2012, 12:19 p.m.1180
#8AliazerApril 19, 2012, 9:30 p.m.1180
#9Kurt Gebauer (Yokozuna)June 21, 2012, 9:38 p.m.1168
#10Dusan (xxdradus)July 29, 2012, 3:06 p.m.1162
Pigpen with a twist — Part 2
Name (Username)DatePoints
Seth Kintigh (DarkFibre)Sept. 7, 2011, 5:13 p.m.1576
Armin Krauss (argh)Sept. 7, 2011, 7:46 p.m.1576
David (aki321)Sept. 13, 2011, 7:37 p.m.1456
#4Viktor (Veselovský)Sept. 17, 2011, 12:59 a.m.1423
#5J. M. (jomandi)Sept. 29, 2011, 8:07 p.m.1344
#6Peter Mustermann (Gummiboot)Nov. 30, 2011, 12:23 p.m.1238
#7Bart den Hartog (Bart13)April 19, 2012, 12:01 p.m.1180
#8AliazerApril 25, 2012, 9:02 p.m.1178
#9Kurt Gebauer (Yokozuna)June 3, 2012, 11:37 p.m.1171
#10Dusan (xxdradus)Aug. 1, 2012, 12:29 p.m.1161
Modified Caesar Cipher
Name (Username)DatePoints
David (aki321)Sept. 2, 2011, 3:54 p.m.200
dbuqSept. 2, 2011, 4:05 p.m.200
Daniel Fretwell (fretty)Sept. 2, 2011, 4:25 p.m.200
#4Michael Möller (michaelm)Sept. 2, 2011, 8:39 p.m.200
#5The Killer (Killer)Sept. 2, 2011, 11:58 p.m.200
#6Seth Kintigh (DarkFibre)Sept. 3, 2011, 2:04 a.m.200
#7Armin Krauss (argh)Sept. 3, 2011, 9:48 a.m.200
#8WombatSept. 5, 2011, 2:09 a.m.133
#9Roland Jansen (roland)Sept. 5, 2011, 7:08 p.m.125
#10j.h. (haegarq)Sept. 5, 2011, 10:52 p.m.125
Unusual encryption using a diophantine equation
Name (Username)DatePoints
Daniel Fretwell (fretty)Sept. 2, 2011, 5:57 p.m.2000
The Killer (Killer)Sept. 2, 2011, 10:53 p.m.2000
Armin Krauss (argh)Sept. 2, 2011, 11:05 p.m.2000
#4Seth Kintigh (DarkFibre)Sept. 3, 2011, 1:48 a.m.2000
#5mischa (mmisc)Sept. 5, 2011, 12:47 a.m.1725
#6kyprizelSept. 7, 2011, 11:26 a.m.1613
#7J. M. (jomandi)Sept. 8, 2011, 5:22 p.m.1547
#8Peter Mustermann (Gummiboot)Sept. 12, 2011, 7:11 p.m.1469
#9Keith Randall (randall77)Dec. 3, 2011, 6:15 a.m.1237
#10Nathan (Witten)Dec. 13, 2011, 12:25 p.m.1229
ADFGVX — Part 2
Name (Username)DatePoints
Seth Kintigh (DarkFibre)Aug. 15, 2011, 10:52 p.m.200
Daniel Fretwell (fretty)Aug. 15, 2011, 11:37 p.m.200
Viktor (Veselovský)Aug. 16, 2011, 3:13 a.m.200
#4dbuqAug. 16, 2011, 11:32 a.m.200
#5Armin Krauss (argh)Aug. 16, 2011, 2:24 p.m.200
#6J. M. (jomandi)Aug. 16, 2011, 5:56 p.m.150
#7HoltiAug. 18, 2011, 9:12 p.m.125
#8DanoAug. 20, 2011, 1:32 a.m.120
#9David (aki321)Aug. 21, 2011, 12:49 a.m.117
#10Michael Möller (michaelm)Aug. 22, 2011, 5:06 p.m.114
ADFGVX — Part 1
Name (Username)DatePoints
Daniel Fretwell (fretty)Aug. 16, 2011, 12:59 a.m.200
Seth Kintigh (DarkFibre)Aug. 16, 2011, 1:43 a.m.200
Viktor (Veselovský)Aug. 16, 2011, 2:35 a.m.200
#4Armin Krauss (argh)Aug. 16, 2011, 2:23 p.m.200
#5J. M. (jomandi)Aug. 16, 2011, 5:15 p.m.150
#6DanoAug. 20, 2011, 12:16 a.m.120
#7David (aki321)Aug. 21, 2011, 12:32 a.m.117
#8Michael Möller (michaelm)Aug. 21, 2011, 6 p.m.114
#9WombatSept. 4, 2011, 3:38 p.m.105
#10Dennis Walter (Lotus)Sept. 18, 2011, 3:40 a.m.103
RSA: Two different keys — same ciphertext
Name (Username)DatePoints
Daniel Fretwell (fretty)Aug. 15, 2011, 7:34 p.m.2000
Armin Krauss (argh)Aug. 15, 2011, 7:49 p.m.2000
Viktor (Veselovský)Aug. 15, 2011, 8:15 p.m.2000
#4Seth Kintigh (DarkFibre)Aug. 15, 2011, 8:37 p.m.2000
#5J. M. (jomandi)Aug. 15, 2011, 9:52 p.m.2000
#6mischa (mmisc)Aug. 16, 2011, 2:37 a.m.2000
#7DanoAug. 16, 2011, 2:55 a.m.2000
#8Peter Mustermann (Gummiboot)Aug. 16, 2011, 10:09 p.m.1824
#9dbuqAug. 17, 2011, 4:29 p.m.1824
#10Robbt Neid (Das Tupel)Aug. 17, 2011, 9:37 p.m.1725
Broadcasting and low exponent — RSA Attack
Name (Username)DatePoints
Daniel Fretwell (fretty)July 22, 2011, 8:34 p.m.2000
mischa (mmisc)July 22, 2011, 9:25 p.m.2000
J. M. (jomandi)July 22, 2011, 9:37 p.m.2000
#4Seth Kintigh (DarkFibre)July 22, 2011, 10:39 p.m.2000
#5Peter Mustermann (Gummiboot)July 23, 2011, 3:36 p.m.2000
#6Robbt Neid (Das Tupel)July 24, 2011, 1:27 a.m.1824
#7Simon Jakob (simon.jakob)July 25, 2011, 2:38 a.m.1725
#8Armin Krauss (argh)July 25, 2011, 7:41 p.m.1725
#9Viktor (Veselovský)July 30, 2011, 2:18 a.m.1523
#10DanoAug. 9, 2011, 9:24 a.m.1398
Number Sequence — Part 2
Name (Username)DatePoints
Martin Bauser (stef_the_chef)July 11, 2011, 3:25 p.m.200
Armin Krauss (argh)July 11, 2011, 6:06 p.m.200
Peter Mustermann (Gummiboot)July 11, 2011, 7:09 p.m.200
#4Seth Kintigh (DarkFibre)July 11, 2011, 7:36 p.m.200
#5mischa (mmisc)July 11, 2011, 8:12 p.m.200
#6Christoph Borkamp (fredric1111)July 11, 2011, 11:47 p.m.200
#7Maurice Parthier (bobthemaster)July 12, 2011, 12:28 a.m.200
#8Roland Jansen (roland)July 12, 2011, 3:50 p.m.150
#9Daniel Fretwell (fretty)July 12, 2011, 5:36 p.m.150
#10se an (s3an)July 13, 2011, 10:48 a.m.150
Substitution Cipher with Non-Prefix Codes
Name (Username)DatePoints
Peter Mustermann (Gummiboot)Jan. 14, 2013, 7:53 a.m.13959
Music Code — Part 1
Name (Username)DatePoints
Hans Rudolf (mutabor)May 26, 2011, 2:24 p.m.110
Paula Olsen (paol)May 26, 2011, 11:35 p.m.110
Sven Ge (Sven-from-de)June 2, 2011, 12:52 a.m.106
#4WombatJune 11, 2011, 11:13 a.m.104
#5Daniel Fretwell (fretty)July 17, 2011, 6:27 p.m.102
#6Seth Kintigh (DarkFibre)July 18, 2011, 12:10 a.m.102
#7Martin Bauser (stef_the_chef)July 20, 2011, 11:25 a.m.102
#8Viktor (Veselovský)Aug. 10, 2011, 7:46 a.m.101
#9J. M. (jomandi)Aug. 14, 2011, 4:51 p.m.101
#10Armin Krauss (argh)Nov. 19, 2011, 11:29 p.m.101
Music Code — Part 2
Name (Username)DatePoints
Hans Rudolf (mutabor)May 26, 2011, 4 p.m.1485
WombatJune 11, 2011, 11:15 a.m.1353
Seth Kintigh (DarkFibre)July 18, 2011, 12:28 a.m.1268
#4Martin Bauser (stef_the_chef)July 27, 2011, 8:31 p.m.1255
#5Daniel Fretwell (fretty)July 31, 2011, 11:43 a.m.1251
#6Viktor (Veselovský)Aug. 12, 2011, 5:21 p.m.1240
#7J. M. (jomandi)Aug. 15, 2011, 1:27 p.m.1238
#8Armin Krauss (argh)Nov. 19, 2011, 11:27 p.m.1191
#9Bart den Hartog (Bart13)Feb. 14, 2012, 12:10 a.m.1171
#10steve stevenson (sstevenson)March 19, 2012, 5:40 a.m.1165
Kaskade-S/T — Part 5
Name (Username)DatePoints
J. M. (jomandi)July 23, 2011, 7:19 p.m.1247
Peter Mustermann (Gummiboot)Aug. 15, 2012, 5:17 p.m.1146
Armin Krauss (argh)Aug. 26, 2012, 7:39 p.m.1145
#4Bart den Hartog (Bart13)Oct. 7, 2013, 5:34 a.m.1122
#5George Lasry (george4096)Dec. 9, 2013, 3 a.m.1120
#6Julia Bernotat (El Greco )Oct. 23, 2014, 7:33 p.m.1111
#7Alain (Integral)Sept. 15, 2015, 9:06 p.m.1104
#8Michael Möller (michaelm)Dec. 12, 2015, 3:40 p.m.1102
#9Mir Dim (mir0soft)April 19, 2017, 10 a.m.1095
#10D3d4lu5May 8, 2019, 6:23 p.m.1088
Post-Quantum Cryptography: Unbalanced Oil and Vinegar System — Part 2
Name (Username)DatePoints
Keith Randall (randall77)Nov. 9, 2011, 5:38 p.m.1185
J. M. (jomandi)Nov. 19, 2011, 3:39 p.m.1182
Viktor (Veselovský)Dec. 4, 2011, 2:39 a.m.1179
#4Bart den Hartog (Bart13)Jan. 27, 2013, 11:02 p.m.1133
#5Luigi Tomelli (archstanton)Feb. 23, 2013, 3:23 p.m.1132
#6Alain (Integral)Feb. 26, 2014, 11:08 p.m.1117
#7Em Doulgerakis (Greko)July 23, 2015, 10:07 a.m.1104
#8Mir Dim (mir0soft)June 8, 2017, 8:42 a.m.1095
#9Kasia (kasia-tutej)Nov. 28, 2017, 5:38 p.m.1093
#10D3d4lu5July 7, 2018, 7:50 a.m.1090
Post-Quantum Cryptography: Unbalanced Oil and Vinegar System — Part 1
Name (Username)DatePoints
mischa (mmisc)April 7, 2011, 1:07 p.m.200
Armin Krauss (argh)April 7, 2011, 6:43 p.m.200
andrewlApril 8, 2011, 5:29 p.m.150
#4Roland Jansen (roland)April 13, 2011, 12:30 p.m.114
#5Christof Kleber (Loki)April 14, 2011, 10:30 a.m.113
#6Daniel Fretwell (fretty)June 23, 2011, 2:34 p.m.101
#7Fabian Bendun (benfa)June 23, 2011, 3:43 p.m.101
#8Martin Bauser (stef_the_chef)July 10, 2011, 9 p.m.101
#9Seth Kintigh (DarkFibre)July 14, 2011, 11:57 p.m.101
#10Christian Inci (ch100)July 20, 2011, 3:13 a.m.101
Cracking SHA1-Hashed Passwords
Name (Username)DatePoints
Armin Krauss (argh)April 4, 2011, 11:40 p.m.2000
andrewlApril 8, 2011, 7:08 p.m.1660
kyprizelApril 8, 2011, 9:36 p.m.1660
#4The Saint (The_Saint)April 9, 2011, 7:23 p.m.1613
#5Karl-Heinz Oberkoxholt (friiky)April 11, 2011, 12:02 p.m.1547
#6Christof Kleber (Loki)April 13, 2011, 10:22 a.m.1502
#7Tim-Taler (Till)April 13, 2011, 10:14 p.m.1485
#8Roland Jansen (roland)April 14, 2011, 2:25 p.m.1485
#9Fabian Hemmer (llan)April 18, 2011, 4:29 p.m.1433
#10DirkS (Dustman)April 19, 2011, 11:03 a.m.1423
Lattice Part 1
Name (Username)DatePoints
Nobody (nobody)March 15, 2011, 7:28 p.m.1613
Armin Krauss (argh)March 16, 2011, 2:20 p.m.1576
Wolfgang Weisser (wowmyst)March 18, 2011, 7:21 p.m.1523
#4J. M. (jomandi)June 11, 2011, 5:16 p.m.1236
#5Fabian Bendun (benfa)June 23, 2011, 1:04 p.m.1228
#6Viktor (Veselovský)Aug. 9, 2011, 8:54 p.m.1203
#7Daniel Fretwell (fretty)Aug. 12, 2011, 10:21 p.m.1202
#8Seth Kintigh (DarkFibre)Oct. 20, 2011, 5:13 p.m.1181
#9The Killer (Killer)Oct. 20, 2011, 9:04 p.m.1181
#10FlipOct. 22, 2011, 6:13 p.m.1181
Kaskade-S/T — Part 1
Name (Username)DatePoints
mischa (mmisc)March 4, 2011, 11:40 p.m.200
Thomas Gonda (TomG)March 6, 2011, 2:25 p.m.133
Armin Krauss (argh)March 8, 2011, 1:04 p.m.120
#4FirstLast (TheRational)March 15, 2011, 7:48 p.m.108
#5Klaus Ethgen (Mowgli)March 16, 2011, 11:01 p.m.108
#6Christian Inci (ch100)March 17, 2011, 3:01 a.m.107
#7Thomas Mattel (Tom)March 18, 2011, 11:41 p.m.107
#8Wladimir Paulsen (wladimir)April 5, 2011, 6:28 p.m.103
#9Roland Jansen (roland)May 6, 2011, 12:04 p.m.102
#10Fabian Bendun (benfa)May 8, 2011, 9:28 p.m.102
Kaskade-S/T — Part 2
Name (Username)DatePoints
mischa (mmisc)March 8, 2011, 3:15 a.m.1613
Armin Krauss (argh)March 8, 2011, 6:26 p.m.1613
Thomas Gonda (TomG)March 9, 2011, 6:25 p.m.1576
#4Christian Inci (ch100)March 21, 2011, 4:38 p.m.1398
#5J. M. (jomandi)July 3, 2011, 11:15 p.m.1217
#6Seth Kintigh (DarkFibre)July 24, 2011, 9:27 a.m.1207
#7DanoAug. 4, 2011, 1:02 a.m.1203
#8Peter Mustermann (Gummiboot)Aug. 22, 2011, 2:17 p.m.1196
#9Nicolas Golubovic (qll)Sept. 7, 2011, 2:37 a.m.1191
#10Viktor (Veselovský)Sept. 17, 2011, 11:18 p.m.1188
Kaskade-S/T — Part 3
Name (Username)DatePoints
Armin Krauss (argh)March 8, 2011, 11:25 a.m.1613
Thomas Gonda (TomG)March 16, 2011, 9:24 p.m.1444
mischa (mmisc)May 1, 2011, 3:25 a.m.1272
#4J. M. (jomandi)July 6, 2011, 1:33 a.m.1216
#5Seth Kintigh (DarkFibre)Aug. 12, 2011, 5:07 a.m.1200
#6Dennis Walter (Lotus)Sept. 18, 2011, 4:25 a.m.1188
#7Viktor (Veselovský)Sept. 18, 2011, 5:04 p.m.1188
#8Keith Randall (randall77)Nov. 9, 2011, 11:13 p.m.1175
#9Peter Mustermann (Gummiboot)Jan. 6, 2012, 2:53 p.m.1165
#10Michael Möller (michaelm)Aug. 21, 2012, 4:40 p.m.1141
Lunchtime Attack on the Fully Homomorphic Encryption Scheme
Name (Username)DatePoints
Armin Krauss (argh)Jan. 14, 2011, 6:58 p.m.2000
Nobody (nobody)Jan. 15, 2011, 8:51 p.m.1824
Thomas Gonda (TomG)Jan. 16, 2011, 7:26 p.m.1725
#4mischa (mmisc)Feb. 16, 2011, 10:47 p.m.1324
#5Sayali Deshpande (sayali84)April 6, 2011, 6:52 a.m.1244
#6J. M. (jomandi)May 23, 2011, 9:53 p.m.1213
#7Fabian Bendun (benfa)June 26, 2011, 9:09 p.m.1199
#8Seth Kintigh (DarkFibre)July 12, 2011, 11:50 p.m.1193
#9Viktor (Veselovský)Aug. 8, 2011, 8:07 p.m.1186
#10Daniel Fretwell (fretty)Aug. 22, 2011, 11:41 p.m.1182
Playfair Encryption
Name (Username)DatePoints
Vincent (Bwian)Dec. 24, 2010, 4:03 a.m.133
Armin Krauss (argh)Dec. 29, 2010, 7:12 p.m.113
Lukas (Kahla)Jan. 17, 2011, 12:12 a.m.104
#4David (aki321)Jan. 23, 2011, 3:31 p.m.103
#5FlipJan. 25, 2011, 5:32 p.m.103
#6Alan Dixon (NickBourbaki)Feb. 5, 2011, 3:10 p.m.102
#7 Thomas Gonda (TomG)March 11, 2011, 3:32 p.m.101
#8WombatApril 25, 2011, 5:32 p.m.101
#9mischa (mmisc)May 1, 2011, 1:47 a.m.101
#10The Killer (Killer)June 15, 2011, 3:41 a.m.101
Original Caesar Cipher
Name (Username)DatePoints
Daniel Marschall (blackdrake)Dec. 15, 2010, 4:14 a.m.200
Armin Krauss (argh)Dec. 15, 2010, 8:38 a.m.200
Thomas Gonda (TomG)Dec. 15, 2010, 9:01 a.m.200
#4Petr Fišer (Fiisch)Dec. 15, 2010, 11:23 a.m.200
#5Nobody (nobody)Dec. 15, 2010, 2 p.m.200
#6Samuel Patt (Samuel)Dec. 15, 2010, 5:51 p.m.200
#7Andreas Wolff (timberwolff)Dec. 15, 2010, 6:53 p.m.200
#8Seguy (Jean-Christophe)Dec. 16, 2010, 9:12 a.m.150
#9mischa (mmisc)Dec. 16, 2010, 3 p.m.150
#10Johannes Rittmeier (neocron)Dec. 16, 2010, 8:47 p.m.150
CMEA 1
Name (Username)DatePoints
Armin Krauss (argh)Dec. 10, 2010, 3:02 p.m.1613
Nobody (nobody)Jan. 24, 2011, 10:53 a.m.1286
Wolfgang Weisser (wowmyst)March 15, 2011, 12:16 a.m.1231
#4J. M. (jomandi)July 29, 2011, 1:13 p.m.1179
#5FlipAug. 22, 2011, 9:41 p.m.1174
#6Viktor (Veselovský)March 6, 2012, 2 p.m.1147
#7Seth Kintigh (DarkFibre)March 16, 2012, 1:39 a.m.1147
#8Michel Van Caneghem (vancan)April 10, 2012, 5:39 p.m.1144
#9Keith Randall (randall77)April 13, 2012, 12:57 a.m.1144
#10Luigi Tomelli (archstanton)Aug. 11, 2012, 5:17 p.m.1136
CMEA 2
Name (Username)DatePoints
Armin Krauss (argh)Dec. 14, 2010, 5 p.m.17412
Wolfgang Weisser (wowmyst)March 15, 2011, 8:30 p.m.15101
J. M. (jomandi)Aug. 7, 2011, 11:09 a.m.14472
#4FlipSept. 7, 2011, 6:30 p.m.14396
#5Viktor (Veselovský)March 11, 2012, 1:41 p.m.14086
#6Seth Kintigh (DarkFibre)April 11, 2012, 12:54 a.m.14050
#7Luigi Tomelli (archstanton)Oct. 2, 2012, 4:30 p.m.13882
#8Kurt Gebauer (Yokozuna)Nov. 17, 2012, 3:01 p.m.13846
#9zahir mohsen moradi (ariobarzan)July 15, 2013, 7:57 a.m.13696
#10Francisco Moraes (fmoraes)Nov. 24, 2013, 11:47 p.m.13631
Akelarre Part 1
Name (Username)DatePoints
Armin Krauss (argh)Dec. 2, 2010, 2:39 p.m.1523
J. M. (jomandi)Aug. 10, 2011, 11:47 p.m.1174
Jan Temme (JaT3)Nov. 26, 2012, 2:01 a.m.1129
#4Viktor (Veselovský)Jan. 18, 2013, 7:16 p.m.1126
#5Bart den Hartog (Bart13)Dec. 14, 2013, 2:10 a.m.1115
#6Alain (Integral)Dec. 3, 2014, 10:26 a.m.1106
#7zahir mohsen moradi (ariobarzan)May 3, 2016, 7:59 a.m.1098
#8D3d4lu5Oct. 4, 2018, 7:15 a.m.1088
#9George Lasry (george4096)Jan. 8, 2019, 9:50 p.m.1088
#10Eugene (lim0n)July 8, 2020, 1:45 p.m.1084
Enigma Combinatorics
Name (Username)DatePoints
Roadrunner (rr)Nov. 12, 2010, 10:18 p.m.200
Armin Krauss (argh)Nov. 13, 2010, 12:16 a.m.200
Ulrich Armbrüster (uarmbruester)Nov. 15, 2010, 1:46 p.m.133
#4Dennis Walter (Lotus)Nov. 16, 2010, 11:36 p.m.120
#5TURINGBOMBE (TBREAKER)Nov. 25, 2010, 6:36 p.m.107
#6Michail Pokryschkin (micpok)Dec. 3, 2010, 2:12 p.m.105
#7Alan Dixon (NickBourbaki)Jan. 31, 2011, 1:52 p.m.101
#8David (aki321)Jan. 31, 2011, 3:30 p.m.101
#9Hans Rudolf (mutabor)Feb. 12, 2011, 7:14 p.m.101
#10 Thomas Gonda (TomG)Feb. 23, 2011, 5:47 p.m.101
One-Time Pad with Flaws
Name (Username)DatePoints
Ilya Ozerov (ilya)Nov. 12, 2010, 10:20 p.m.200
Armin Krauss (argh)Nov. 12, 2010, 11:20 p.m.200
Roadrunner (rr)Nov. 13, 2010, 11:41 a.m.200
#4Hans Schuell (hschuell)Nov. 13, 2010, 11:49 p.m.150
#5Michael Möller (michaelm)Nov. 14, 2010, 10:07 a.m.150
#6Thomas Mattel (Tom)Nov. 14, 2010, 5:28 p.m.133
#7Benedikt Langer (belan)Nov. 14, 2010, 10:34 p.m.133
#8mischa (mmisc)Nov. 15, 2010, 6:06 p.m.125
#9NabbNov. 18, 2010, 5:24 a.m.117
#10David (aki321)Nov. 18, 2010, 11:04 p.m.114
Hybrid Encryption I
Name (Username)DatePoints
Nobody (nobody)Nov. 2, 2010, 10:36 p.m.2000
Juan (kation)Nov. 3, 2010, 6:48 a.m.1824
kyprizelNov. 3, 2010, 11:26 a.m.1824
#4Thomas Schmucker (dg)Nov. 3, 2010, 7:20 p.m.1824
#5Claude Laveaux (claude.laveaux)Nov. 3, 2010, 9:24 p.m.1824
#6Roadrunner (rr)Nov. 4, 2010, 6:55 p.m.1725
#7Dennis Walter (Lotus)Nov. 4, 2010, 8:23 p.m.1725
#8NabbNov. 5, 2010, 2:50 p.m.1660
#9Armin Krauss (argh)Nov. 10, 2010, 8:39 a.m.1502
#10Cezary Glowacz (cezaryglowacz)Nov. 11, 2010, 3:53 p.m.1485
Purple 1
Name (Username)DatePoints
Peter Mustermann (Gummiboot)Aug. 19, 2011, 7:18 p.m.1167
J. M. (jomandi)Nov. 14, 2011, 7:57 a.m.1155
Seth Kintigh (DarkFibre)March 10, 2012, 1:24 a.m.1144
#4Luigi Tomelli (archstanton)July 20, 2013, 5:56 p.m.1118
#5Kurt Gebauer (Yokozuna)Nov. 2, 2013, 12:51 p.m.1115
#6Alain (Integral)March 15, 2014, 12:32 p.m.1111
#7George Lasry (george4096)May 2, 2014, 2:40 a.m.1110
#8Bart den Hartog (Bart13)May 20, 2014, 1:08 a.m.1110
#9Francisco Moraes (fmoraes)Dec. 4, 2014, 11:41 p.m.1106
#10George (Theofanidis)Dec. 27, 2014, 9:52 a.m.1105
Smartcard RSA
Name (Username)DatePoints
Nobody (nobody)Oct. 26, 2010, 4:48 p.m.2000
Cezary Glowacz (cezaryglowacz)Oct. 27, 2010, 11:47 a.m.1824
Claude Laveaux (claude.laveaux)Oct. 29, 2010, 11:51 p.m.1613
#4Christian (Etschupu)Oct. 31, 2010, 5:09 p.m.1547
#5Armin Krauss (argh)Nov. 21, 2010, 6:56 p.m.1344
#6Wolfgang Weisser (wowmyst)March 24, 2011, 12:45 p.m.1204
#7mischa (mmisc)April 25, 2011, 1:55 a.m.1193
#8J. M. (jomandi)Aug. 3, 2011, 8:41 p.m.1169
#9FlipAug. 18, 2011, noon1167
#10Viktor (Veselovský)Aug. 18, 2011, 5:32 p.m.1167
Molehunt (Part 3/3)
Name (Username)DatePoints
Sebastian Steinmann (teodoc)Oct. 24, 2010, 12:33 a.m.2000
Dennis Nolte (JokerX)Oct. 24, 2010, 2:50 p.m.2000
Armin Krauss (argh)Nov. 5, 2010, 11:43 a.m.1444
#4Roadrunner (rr)Nov. 14, 2010, 2:47 p.m.1373
#5Ulrich Armbrüster (uarmbruester)Nov. 17, 2010, 7:07 p.m.1353
#6 Thomas Gonda (TomG)Dec. 16, 2010, 6:02 p.m.1279
#7David (aki321)Feb. 9, 2011, 9:11 p.m.1224
#8WombatJune 18, 2011, 3:22 p.m.1178
#9J. M. (jomandi)July 2, 2011, 10:09 p.m.1175
#10Daniel Fretwell (fretty)July 31, 2011, 2:43 p.m.1170
Molehunt (Part 2/3)
Name (Username)DatePoints
Sebastian Steinmann (teodoc)Oct. 23, 2010, 11:32 p.m.200
Dennis Nolte (JokerX)Oct. 24, 2010, 2:50 p.m.200
Armin Krauss (argh)Oct. 27, 2010, 10:45 p.m.120
#4Stefan Kühne (subROUTINE)Oct. 28, 2010, 2:02 p.m.120
#5Hannes Kremmer (HannesKremmer)Oct. 28, 2010, 8:48 p.m.117
#6Roland Jansen (roland)Nov. 10, 2010, 2:55 p.m.105
#7Roadrunner (rr)Nov. 13, 2010, 2:20 p.m.105
#8Ulrich Armbrüster (uarmbruester)Nov. 14, 2010, 3:02 p.m.104
#9mischa (mmisc)Nov. 17, 2010, 1:55 a.m.104
#10Lars Beckmann (larsbeck)Nov. 18, 2010, 8:51 p.m.104
Molehunt (Part 1/3)
Name (Username)DatePoints
Sebastian Steinmann (teodoc)Oct. 23, 2010, 11:05 p.m.200
Dennis Nolte (JokerX)Oct. 24, 2010, 2:48 p.m.150
Armin Krauss (argh)Oct. 27, 2010, 9:41 p.m.120
#4Hannes Kremmer (HannesKremmer)Oct. 27, 2010, 9:49 p.m.120
#5Stefan Kühne (subROUTINE)Oct. 28, 2010, 12:30 p.m.117
#6Roland Jansen (roland)Nov. 10, 2010, 2:18 p.m.105
#7Lars Beckmann (larsbeck)Nov. 12, 2010, 10:02 a.m.105
#8Roadrunner (rr)Nov. 13, 2010, 2:06 p.m.105
#9Ulrich Armbrüster (uarmbruester)Nov. 15, 2010, 10:27 a.m.104
#10mischa (mmisc)Nov. 19, 2010, 8:01 p.m.104
A modified homophonic cipher with reduced alphabets — Part 2
Name (Username)DatePoints
Roadrunner (rr)Oct. 22, 2010, 12:14 a.m.200
mischa (mmisc)Oct. 22, 2010, 1:30 a.m.200
Ralf Stephan (rwst)Oct. 22, 2010, 10:45 a.m.200
#4Ian (blerko)Oct. 22, 2010, 12:06 p.m.200
#5Michael Fischer (MichaelF)Oct. 22, 2010, 4:28 p.m.200
#6Thomas Mattel (Tom)Oct. 22, 2010, 4:55 p.m.200
#7Dirk Werner (hudray)Oct. 22, 2010, 5:15 p.m.200
#8Sebastian Steinmann (teodoc)Oct. 22, 2010, 8:39 p.m.150
#9un known (unknown)Oct. 22, 2010, 9:34 p.m.150
#10Thomas Lambert (lambert)Oct. 22, 2010, 9:56 p.m.150
A modified homophonic cipher with reduced alphabets — Part 1
Name (Username)DatePoints
mischa (mmisc)Oct. 21, 2010, 11:12 p.m.200
Roadrunner (rr)Oct. 21, 2010, 11:42 p.m.200
Ralf Stephan (rwst)Oct. 22, 2010, 10:55 a.m.200
#4un known (unknown)Oct. 22, 2010, 3:36 p.m.200
#5Dirk Werner (hudray)Oct. 22, 2010, 3:55 p.m.200
#6Michael Fischer (MichaelF)Oct. 22, 2010, 5:05 p.m.200
#7Thomas Mattel (Tom)Oct. 22, 2010, 6:08 p.m.200
#8Sebastian Steinmann (teodoc)Oct. 22, 2010, 8:12 p.m.150
#9Thomas Lambert (lambert)Oct. 22, 2010, 9:12 p.m.150
#10Nobody (nobody)Oct. 22, 2010, 10:43 p.m.150
Caesar Encryption
Name (Username)DatePoints
slaxOct. 21, 2010, 11:02 p.m.200
Roadrunner (rr)Oct. 21, 2010, 11:27 p.m.200
mischa (mmisc)Oct. 22, 2010, 1:37 a.m.200
#4Ralf Stephan (rwst)Oct. 22, 2010, 8:58 a.m.200
#5Dirk Werner (hudray)Oct. 22, 2010, 9:11 a.m.200
#6un known (unknown)Oct. 22, 2010, 2:56 p.m.200
#7Michael Fischer (MichaelF)Oct. 22, 2010, 3:01 p.m.200
#8Thomas Lambert (lambert)Oct. 22, 2010, 4:30 p.m.200
#9Thomas Mattel (Tom)Oct. 22, 2010, 6:53 p.m.200
#10Sebastian Steinmann (teodoc)Oct. 22, 2010, 9:14 p.m.150
Classical Ciphers^3
Name (Username)DatePoints
Nobody (nobody)Oct. 14, 2010, 1:35 p.m.200
Dennis Nolte (JokerX)Oct. 14, 2010, 5 p.m.200
Simon Jakob (simon.jakob)Oct. 15, 2010, 1:32 a.m.200
#4No you (lolwhat)Oct. 16, 2010, 7:17 p.m.133
#5NabbOct. 16, 2010, 7:18 p.m.133
#6Michael Winter (Isaenforcer)Oct. 18, 2010, 2:46 a.m.125
#7Robin Parker (thehe)Oct. 18, 2010, 4:14 a.m.125
#8Ralf Stephan (rwst)Oct. 18, 2010, 4:54 p.m.120
#9Michael Fischer (MichaelF)Oct. 19, 2010, 1:08 a.m.120
#10J Br (j.br)Oct. 19, 2010, 1:55 p.m.117
A Secret Message from Castle Mansfeld
Name (Username)DatePoints
Nobody (nobody)Oct. 14, 2010, 1:36 p.m.200
Simon Jakob (simon.jakob)Oct. 15, 2010, 1:34 a.m.200
./. (matudo)Oct. 16, 2010, 5:19 p.m.133
#4Zaproth Beeblebrox (chmhnk)Oct. 17, 2010, 3:01 p.m.125
#5Carsten Lenz (kAyCeE80)Oct. 18, 2010, 4:05 p.m.120
#6Grinse Katze (Grinsekatze)Oct. 18, 2010, 4:12 p.m.120
#7Ralf Stephan (rwst)Oct. 18, 2010, 6:16 p.m.120
#8Gruppe KleinWaltherBurkhardt (hucke)Oct. 18, 2010, 6:34 p.m.120
#9Roadrunner (rr)Oct. 19, 2010, 12:25 a.m.120
#10Kathi (blubb)Oct. 19, 2010, 2:03 p.m.117
Alice's Birthday Party (Part 1)
Name (Username)DatePoints
Nobody (nobody)Oct. 14, 2010, 1:30 p.m.2000
Dennis Nolte (JokerX)Oct. 15, 2010, 1:34 p.m.1824
kyprizelOct. 16, 2010, 10:05 p.m.1725
#4NabbOct. 16, 2010, 10:45 p.m.1725
#5No you (lolwhat)Oct. 16, 2010, 10:51 p.m.1725
#6Cezary Glowacz (cezaryglowacz)Oct. 16, 2010, 10:56 p.m.1725
#7Martin Wittiger (wittiger)Oct. 17, 2010, 1:09 a.m.1725
#8Thomas Schmucker (dg)Oct. 17, 2010, 10:37 a.m.1725
#9Claude Laveaux (claude.laveaux)Oct. 17, 2010, 9:37 p.m.1660
#10Simon Jakob (simon.jakob)Oct. 18, 2010, 7:08 p.m.1613
Alice's Birthday Party (Part 2)
Name (Username)DatePoints
Nobody (nobody)Oct. 14, 2010, 1:31 p.m.2000
kyprizelOct. 16, 2010, 8 p.m.1725
NabbOct. 16, 2010, 11:25 p.m.1725
#4Cezary Glowacz (cezaryglowacz)Oct. 16, 2010, 11:53 p.m.1725
#5Martin Wittiger (wittiger)Oct. 17, 2010, 1:48 a.m.1725
#6Simon Jakob (simon.jakob)Oct. 18, 2010, 7:43 p.m.1613
#7Ralf Stephan (rwst)Oct. 19, 2010, 9:52 a.m.1613
#8Thomas Schmucker (dg)Oct. 19, 2010, 6:27 p.m.1576
#9Ulrich Dürholz (Uli)Oct. 20, 2010, 1:09 a.m.1576
#10Michał Bartoszkiewicz (embe)Oct. 20, 2010, 2:24 a.m.1576
Double Column Transposition
Name (Username)DatePoints
George Lasry (george4096)Nov. 26, 2013, 5:23 p.m.11000
Jim Gillogly (Scryer)Dec. 31, 2013, 1:58 p.m.10000
Letter from the Alleged Countess Julie von Ortenburg
Name (Username)DatePoints
Nobody (nobody)Oct. 14, 2010, 1:35 p.m.200
Simon Jakob (simon.jakob)Oct. 15, 2010, 1:31 a.m.200
Roadrunner (rr)Oct. 17, 2010, 1:04 a.m.133
#4***** (JMK41)Oct. 17, 2010, 3:35 a.m.133
#5Claude Laveaux (claude.laveaux)Oct. 17, 2010, 3:49 p.m.125
#6Ralf Stephan (rwst)Oct. 17, 2010, 8:44 p.m.125
#7 Thomas Gonda (TomG)Oct. 18, 2010, 1:10 p.m.125
#8Onkel Tom (Borgland)Oct. 18, 2010, 7:14 p.m.120
#9./. (matudo)Oct. 19, 2010, 12:06 a.m.120
#10Jascha Koch (yosh)Oct. 19, 2010, 6:02 p.m.117
Not-so-Secret Message from Malawi — Part I (RSA)
Name (Username)DatePoints
das (dasdas)Oct. 17, 2010, 12:25 p.m.1725
Thomas Schmucker (dg)Oct. 17, 2010, 5:38 p.m.1660
Cezary Glowacz (cezaryglowacz)Oct. 17, 2010, 9:51 p.m.1660
#4kyprizelOct. 18, 2010, 6:51 a.m.1660
#5Mathias Herrmann (mazze)Oct. 19, 2010, 1:45 p.m.1576
#6Nobody (nobody)Oct. 19, 2010, 10:44 p.m.1576
#7Simon Jakob (simon.jakob)Oct. 22, 2010, 2:01 a.m.1523
#8Juan (kation)Nov. 2, 2010, 6:10 p.m.1385
#9Sven Ge (Sven-from-de)Nov. 8, 2010, 11:45 p.m.1353
#10mischa (mmisc)Jan. 31, 2011, 2:36 a.m.1225
Not-so-Secret Message from Malawi — Part II (ECC)
Name (Username)DatePoints
Cezary Glowacz (cezaryglowacz)Oct. 19, 2010, 5:20 p.m.1576
Ulrich Armbrüster (uarmbruester)Oct. 29, 2010, 8:08 p.m.1414
FlipFeb. 4, 2011, 12:26 a.m.1222
#4Armin Krauss (argh)Feb. 14, 2011, 4:01 p.m.1216
#5Wolfgang Weisser (wowmyst)March 2, 2011, 1:51 a.m.1209
#6J. M. (jomandi)June 7, 2011, 12:19 a.m.1179
#7Viktor (Veselovský)July 27, 2011, 5:16 p.m.1169
#8Daniel Fretwell (fretty)July 28, 2011, 1 p.m.1169
#9The Killer (Killer)Nov. 28, 2011, 1:29 a.m.1152
#10Keith Randall (randall77)Dec. 5, 2011, 7:03 p.m.1151
Notes of an Italian Soldier
Name (Username)DatePoints
Armin Krauss (argh)Feb. 18, 2013, 7:59 p.m.3000
Viktor (Veselovský)May 4, 2013, 10:57 p.m.800
J. M. (jomandi)May 19, 2013, 1:45 p.m.800
#4George Lasry (george4096)Dec. 12, 2013, 3:07 p.m.800
RSA with Special d
Name (Username)DatePoints
Nobody (nobody)Oct. 22, 2010, 6:54 p.m.17412
Christian (Etschupu)Oct. 30, 2010, 12:12 p.m.16769
Ilya Ozerov (ilya)Nov. 12, 2010, 6:59 p.m.16133
#4J. M. (jomandi)June 7, 2011, 5:43 p.m.14494
#5Armin Krauss (argh)Aug. 8, 2011, 8:17 a.m.14348
#6Viktor (Veselovský)Feb. 24, 2012, 9:52 p.m.14042
#7Bart den Hartog (Bart13)July 23, 2012, 9:45 a.m.13897
#8Luigi Tomelli (archstanton)Aug. 4, 2012, 4:30 p.m.13887
#9Almut (problelmo)June 22, 2013, 5:03 a.m.13681
#10Kurt Gebauer (Yokozuna)Aug. 1, 2013, 11:14 a.m.13661
Beale Ciphers
Name (Username)DatePoints
Seth Kintigh (DarkFibre)June 14, 2011, 4:10 a.m.150
Unknown Author
Name (Username)DatePoints
Kai (freiburger)June 4, 2013, 11:26 a.m.600
Julia Bernotat (El Greco )Nov. 5, 2015, 7:36 p.m.900
Number Sequence
Name (Username)DatePoints
Nobody (nobody)Oct. 14, 2010, 1:32 p.m.200
Dennis Nolte (JokerX)Oct. 14, 2010, 5 p.m.200
Simon Jakob (simon.jakob)Oct. 15, 2010, 1:30 a.m.200
#4Dennis Walter (Lotus)Oct. 15, 2010, 2:46 p.m.150
#5Fabian Hemmer (llan)Oct. 16, 2010, 4:18 p.m.133
#6Axi (axi)Oct. 16, 2010, 4:24 p.m.133
#7Michael Möller (michaelm)Oct. 16, 2010, 4:28 p.m.133
#8Josef Hlawaty (spider)Oct. 16, 2010, 4:29 p.m.133
#9A. S. (zahlensalat)Oct. 16, 2010, 4:30 p.m.133
#10Andreas S (DarkLegend)Oct. 16, 2010, 4:33 p.m.133
Monoalphabetic Substitution
Name (Username)DatePoints
Nobody (nobody)Oct. 14, 2010, 1:35 p.m.200
Dennis Nolte (JokerX)Oct. 14, 2010, 5:45 p.m.200
Simon Jakob (simon.jakob)Oct. 15, 2010, 1:30 a.m.200
#4Dennis Walter (Lotus)Oct. 15, 2010, 4:44 p.m.150
#5NabbOct. 16, 2010, 5:46 p.m.133
#6No you (lolwhat)Oct. 16, 2010, 5:46 p.m.133
#7Thomas Lambert (lambert)Oct. 16, 2010, 6:06 p.m.133
#8Holger Schwarz (BlackAbyss)Oct. 16, 2010, 6:40 p.m.133
#9John Smith (donnie)Oct. 16, 2010, 8:05 p.m.133
#10Oliver Peters (Avian)Oct. 16, 2010, 8:09 p.m.133
Ku Klux Klan
Name (Username)DatePoints
Seth Kintigh (DarkFibre)June 14, 2011, 8:39 a.m.2000
Viktor (Veselovský)Nov. 8, 2011, 1:52 p.m.1000
The Killer (Killer)Nov. 13, 2011, 3:30 p.m.1000
#4J. M. (jomandi)Nov. 13, 2011, 7:02 p.m.1000
#5Bart den Hartog (Bart13)Feb. 10, 2012, 6:45 p.m.1000
#6Dusan (xxdradus)June 22, 2012, 5:38 p.m.1000
#7j.h. (haegarq)June 30, 2012, 5:29 p.m.1000
#8Armin Krauss (argh)Aug. 28, 2012, 12:35 a.m.1000
#9Hans Peter (hanspeter)Jan. 11, 2013, 12:45 p.m.1000
#10Snake (snk)Feb. 2, 2013, 8:57 p.m.1000
ORYX Stream Cipher Part I
Name (Username)DatePoints
NabbOct. 18, 2010, 11:50 a.m.1660
un known (unknown)Oct. 20, 2010, 12:14 a.m.1576
Joachim Protze (joschi)Oct. 21, 2010, 12:55 p.m.1547
#4Armin Krauss (argh)Nov. 5, 2010, 11:22 p.m.1367
#5 Thomas Gonda (TomG)Jan. 14, 2011, 8:39 p.m.1236
#6Nobody (nobody)Jan. 21, 2011, 5:39 p.m.1231
#7Wolfgang Weisser (wowmyst)Feb. 16, 2011, 10:20 p.m.1215
#8Pramathesh (pramathesh5)March 24, 2011, 3:29 a.m.1200
#9Foram (Patel)March 24, 2011, 3:33 a.m.1200
#10kyprizelMay 1, 2011, 6:17 p.m.1188
ORYX Stream Cipher Part II
Name (Username)DatePoints
NabbOct. 18, 2010, 12:47 p.m.1660
un known (unknown)Oct. 20, 2010, 10:49 p.m.1547
Joachim Protze (joschi)Oct. 21, 2010, 2:54 p.m.1523
#4Armin Krauss (argh)Nov. 8, 2010, 2:54 p.m.1353
#5 Thomas Gonda (TomG)Jan. 16, 2011, 11:55 a.m.1235
#6Wolfgang Weisser (wowmyst)Feb. 16, 2011, 11:30 p.m.1215
#7J. M. (jomandi)Aug. 3, 2011, 7:17 p.m.1168
#8Viktor (Veselovský)Aug. 30, 2011, 2:58 a.m.1163
#9Seth Kintigh (DarkFibre)Sept. 4, 2011, 8:05 a.m.1163
#10FlipSept. 14, 2011, 10:32 a.m.1161
Zodiac Cipher
Name (Username)DatePoints
Nobody (nobody)Oct. 14, 2010, 2:01 p.m.200
Simon Jakob (simon.jakob)Oct. 15, 2010, 1:29 a.m.200
deepyOct. 16, 2010, 11:02 p.m.133
#4un known (unknown)Oct. 17, 2010, 12:27 p.m.133
#5Karl Zufrieden (karlzufrieden)Oct. 18, 2010, 4:14 a.m.125
#6Marcus Lipski (Mlipski)Oct. 18, 2010, 1:50 p.m.120
#7Philipp Berger (ThE_-_BliZZarD)Oct. 18, 2010, 2:36 p.m.120
#8Tom Erlang (ter85)Oct. 18, 2010, 5:03 p.m.120
#9Udi Taren (uditaren)Oct. 20, 2010, 1:14 a.m.117
#10Pavel Charvat (PC!)Oct. 20, 2010, 12:41 p.m.117
Enigma Part 1
Name (Username)DatePoints
Nobody (nobody)Oct. 14, 2010, 1:32 p.m.2000
Joachim Protze (joschi)Oct. 19, 2010, 5:40 p.m.1576
Ralf Stephan (rwst)Oct. 22, 2010, 9:32 a.m.1523
#4Thomas Schmucker (dg)Oct. 22, 2010, 7:47 p.m.1502
#5kyprizelOct. 25, 2010, 11:55 a.m.1469
#6Roadrunner (rr)Oct. 25, 2010, 2:08 p.m.1456
#7Jascha Koch (yosh)Oct. 27, 2010, 5:37 p.m.1433
#8TURINGBOMBE (TBREAKER)Oct. 28, 2010, 12:40 a.m.1433
#9Siggi Bartz (sbartz)Oct. 28, 2010, 2:18 p.m.1423
#10NabbOct. 28, 2010, 2:50 p.m.1423
Enigma Part 2
Name (Username)DatePoints
Ralf Stephan (rwst)Oct. 23, 2010, 5:30 p.m.1485
Thomas Schmucker (dg)Oct. 24, 2010, 8:18 p.m.1469
Siggi Bartz (sbartz)Oct. 25, 2010, 12:12 p.m.1469
#4NabbOct. 28, 2010, 2:30 p.m.1423
#5Roadrunner (rr)Oct. 29, 2010, 9:05 p.m.1414
#6TURINGBOMBE (TBREAKER)Nov. 3, 2010, 1:19 p.m.1378
#7Armin Krauss (argh)Nov. 22, 2010, 9:09 p.m.1307
#8David (aki321)Feb. 1, 2011, 1:33 p.m.1224
#9 Thomas Gonda (TomG)March 20, 2011, 10:11 a.m.1202
#10kyprizelApril 30, 2011, 1:57 p.m.1188
Sigaba Part 2
Name (Username)DatePoints
Scombes (jerva)April 17, 2015, 7:12 p.m.13432
Alain (Integral)Aug. 26, 2015, 3:54 p.m.13397
George Lasry (george4096)June 8, 2017, 6:55 a.m.13258
#4Eugene (lim0n)Sept. 15, 2020, 6:36 p.m.13091
#5Em Doulgerakis (Greko)April 18, 2021, 10:32 p.m.13068
Brute-Force-Attack on Triple-DES with Reduced Key Space
Name (Username)DatePoints
v n (focus)Oct. 15, 2010, 3:15 a.m.2000
kyprizelOct. 16, 2010, 8:24 p.m.1725
NabbOct. 18, 2010, 7:48 a.m.1660
#4Benjamin Jemlich (pcgod)Oct. 18, 2010, 3:06 p.m.1613
#5Mathias Herrmann (mazze)Oct. 19, 2010, 11:35 a.m.1613
#6Simon Jakob (simon.jakob)Oct. 19, 2010, 1:28 p.m.1613
#7Roadrunner (rr)Oct. 19, 2010, 6:10 p.m.1576
#8Thomas Schmucker (dg)Oct. 19, 2010, 8:41 p.m.1576
#9Ralf Stephan (rwst)Oct. 20, 2010, 7:07 p.m.1547
#10Sebastian Steinmann (teodoc)Oct. 20, 2010, 8:36 p.m.1547
Sigaba Part 1
Name (Username)DatePoints
DirkS (Dustman)Dec. 16, 2010, 12:47 p.m.1265
J. M. (jomandi)Oct. 2, 2011, 7:55 p.m.1159
Luigi Tomelli (archstanton)Aug. 26, 2013, 12:14 p.m.1117
#4Francisco Moraes (fmoraes)Dec. 21, 2013, 12:33 p.m.1113
#5Alain (Integral)Feb. 27, 2014, 10 p.m.1112
#6Kurt Gebauer (Yokozuna)May 27, 2014, 12:23 a.m.1109
#7Scombes (jerva)April 10, 2015, 11:18 a.m.1103
#8Armin Krauss (argh)Oct. 14, 2015, 1:58 p.m.1100
#9zahir mohsen moradi (ariobarzan)July 2, 2016, 7:47 p.m.1096
#10Nicolas (nicosPavlov)Dec. 18, 2016, 1:40 a.m.1094
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