MysteryTwister C3
NUMBER OF ACTIVE MEMBERS:

9977
Follow us: Facebook Twitter

Server maintenance from November 29 to December 2, 2019

MysteryTwister C3 will be offline due to maintenance work starting on Friday November 29, 2019 at 9:00 AM UTC.
 



Level II Challenges (134)

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

Akelarre Part 1

[stamp-09] - 9 users already solved this challenge.
 
 
 

Akelarre is a combination of IDEA and RC5. However, Akelarre is not as strong as those two ciphers. Perform a known plaintext attack on Akelarre.
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: 2010-11-24 14:40
Maximum number of attempts for this challenge: 20

All successful users of this challenge

Rank User (#9) Achieved points (Global score) y-m-d - h:m:s

Armin Krauss (argh) 1523 (188214) 2010-12-02 14:39:03
J. M. (jomandi) 1174 (113270) 2011-08-10 23:47:48
Jan Temme (JaT3) 1129 (11694) 2012-11-26 02:01:43
Viktor (Veselovský) 1126 (155163) 2013-01-18 19:16:55
#5 Bart den Hartog (Bart13) 1115 (145694) 2013-12-14 02:10:44
#6 Alain (Integral) 1106 (207924) 2014-12-03 10:26:49
#7 zahir mohsen moradi (ariobarzan) 1098 (99757) 2016-05-03 07:59:58
#8 D3d4lu5 (D3d4lu5) 1088 (297709) 2018-10-04 07:15:02
#9 George Lasry (george4096) 1088 (302230) 2019-01-08 21:50:16
You must be logged in to solve the challenge
Pages [1] 1 Show All  
 
 
powered by the CrypTool project  CrypTool

 

   +++    [00:51 - 17.11.2019] alfred_noble solved the Level II challenge 'A really long number sequence'    +++    [23:44 - 16.11.2019] Reslo solved the Level I challenge 'Number Sequence'    +++    [13:49 - 16.11.2019] lim0n solved the Level II challenge 'Holographic Encryption — Part 2'    +++    [01:01 - 16.11.2019] RogueRamblers solved the Level II challenge 'ORYX Stream Cipher — Part 3 (revised)'    +++    [20:54 - 15.11.2019] alfred_noble solved the Level I challenge 'Pigpen with a twist — Part 1'    +++