MysteryTwister C3
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Level III Challenges (74)

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

Substitution Cipher with Non-Prefix Codes

[muralidhar-01] - 1 user already solved this challenge, 3 are working on it.
 
 
 

Usually prefix-free codes are used for encryption because it makes the decryption process easier at the receiver's end. However, this challenge deals with a substitution cipher with non-prefix codes. This should be broken by performing a "ciphertext-only attack".
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Published on: 2011-06-15 11:00
Maximum number of attempts for this challenge: 20

All successful users of this challenge

Rank User (#1) Achieved points (Global score) y-m-d - h:m:s

Peter Mustermann (Gummiboot) 13959 (60785) 2013-01-14 07:53:12
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