Level III Challenges (72)
Page 1 of the challenges in
Level III, ordered by date posted (the most recent appear first).
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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". Read more...
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Authors:
This email address is being protected from spambots. You need JavaScript enabled to view it.,This email address is being protected from spambots. You need JavaScript enabled to view it. |
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Published on: 2011-06-15 11:00 |
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Maximum number of attempts for this challenge: 20 |
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All successful users of this challenge
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User (#1) |
Achieved points (Global score) |
y-m-d - h:m:s |
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Peter Mustermann (Gummiboot)
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13959 (60285) |
2013-01-14 07:53:12 |
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