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Level II Challenges (95)

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

Akelarre Part 1

[stamp-09] - 7 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.
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Published on: 2010-11-24 14:40
Maximum number of attempts for this challenge: 20

All successful users of this challenge

Rank User (#7) Achieved points (Global score) y-m-d - h:m:s

Armin Krauss (argh) 1523 (153843) 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 (113116) 2013-01-18 19:16:55
#5 Bart den Hartog (Bart13) 1115 (116412) 2013-12-14 02:10:44
#6 Alain (Integral) 1106 (198642) 2014-12-03 10:26:49
#7 zahir mohsen moradi (ariobarzan) 1098 (99757) 2016-05-03 07:59:58
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