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Level II Challenges (160)

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

Differential Cryptanalysis — Part 2

[kopal-bender-02] - 3 users already solved this challenge.
 
 
 

This challenge series introduces in detail the handling of the differential cryptanalysis (DCA). In the first two challenges you have to decrypt encrypted images and enter the code shown in the images. The second challenge requires filtering.
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Published on: 2020-01-28 15:22
Maximum number of attempts for this challenge: 15

All successful users of this challenge

Rank User (#3) Achieved points (Global score) y-m-d - h:m:s

Eugene (lim0n) 2000 (195334) 2020-01-29 05:52:19
Dominik M. (Sgt. Pepper) 2000 (128575) 2020-01-29 11:13:43
Kurt Gebauer (Yokozuna) 1824 (282608) 2020-01-30 00:15:28
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   +++    [02:29 - 24.09.2021] Bart13 solved the Level I challenge 'Find the right route — Part 3'    +++    [23:22 - 23.09.2021] Bart13 solved the Level I challenge 'Find the right route — Part 2'    +++    [21:33 - 23.09.2021] Bart13 solved the Level I challenge 'Find the right route — Part 1'    +++    [13:57 - 23.09.2021] dega solved the Level I challenge 'Advent-Challenge — Part 1'    +++    [20:19 - 21.09.2021] dega solved the Level II challenge 'Brute-Force-Attack on Triple-DES with Reduced Key Space'    +++