Level II Challenges (139)
Page 1 of the challenges in
Level II, ordered by date posted (the most recent appear first).
|
|
|
|
|
|
The challenges for the weakened Handycipher serve as an exercise and use an intentionally weakened version of Handycipher. Part 1 is a partially-known-plaintext challenge with a helping additional information.
Handycipher is a newly designed cipher to permit pen-and-paper encrypting and decrypting, while providing a significantly high level of security. Read more...
Click here to get to the corresponding forum topic to share your opinion.
Click here to download the challenge.
Click here to download the additional file of the challenge.
|
|
Author:
This email address is being protected from spambots. You need JavaScript enabled to view it. |
|
Published on: 2015-05-13 11:47 |
|
Maximum number of attempts for this challenge: 15 |
|
|
|
All successful users of this challenge
| Rank |
User (#15) |
Achieved points (Global score) |
y-m-d - h:m:s |
|
|
|
Kurt Gebauer (Yokozuna)
|
2000 (189263) |
2015-05-13 12:44:32 |
|
|
Julia Bernotat (El Greco )
|
1613 (81129) |
2015-05-17 18:02:13 |
|
|
Armin Krauss (argh)
|
1485 (190214) |
2015-05-22 19:32:50 |
|
|
Alain (Integral)
|
1362 (207924) |
2015-06-05 15:01:59 |
|
#5 |
Michael Möller (michaelm)
|
1235 (184723) |
2015-08-15 16:25:41 |
|
#6 |
zahir mohsen moradi (ariobarzan)
|
1229 (99757) |
2015-08-22 12:40:27 |
|
#7 |
Karl Schutt (günter)
|
1167 (42989) |
2016-03-07 05:20:49 |
|
#8 |
Em Doulgerakis (Greko)
|
1156 (131437) |
2016-05-18 13:14:59 |
|
#9 |
George Lasry (george4096)
|
1128 (307439) |
2017-05-28 22:01:31 |
|
#10 |
Nicolas (nicosPavlov)
|
1119 (151166) |
2018-01-19 02:26:13 |
|
#11 |
D3d4lu5 (D3d4lu5)
|
1111 (302572) |
2018-10-26 07:56:33 |
|
#12 |
Viktor (Veselovský)
|
1108 (159163) |
2019-02-22 19:24:31 |
|
#13 |
Snake (snk)
|
1108 (93659) |
2019-03-06 13:55:44 |
|
#14 |
Danny Higgins (hamster147)
|
1107 (39638) |
2019-05-02 09:21:44 |
|
#15 |
Random Dude (rnd)
|
1106 (98550) |
2019-06-25 00:12:17 |
|
|
|
|
|
You must be logged in to solve the challenge |
