Level II Challenges (149)
Page 1 of the challenges in
Level II, ordered by date posted (the most recent appear first).
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The Weakened Handycipher challenges serve as an exercise and use an intentionally weakened version of Handycipher. Part 5 is the same as Part 2, but uses an improved version of the cipher. It is ciphertext-only, but you are given some partial information about the key. Read more...
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Author:
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Published on: 2016-06-28 20:10 |
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Maximum number of attempts for this challenge: 15 |
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All successful users of this challenge
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User (#5) |
Achieved points (Global score) |
y-m-d - h:m:s |
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Michael Möller (michaelm)
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1337 (238219) |
2016-07-28 16:36:55 |
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Alain (Integral)
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1310 (207924) |
2016-08-06 16:25:46 |
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George Lasry (george4096)
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1161 (351773) |
2017-05-29 21:15:02 |
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Nicolas (nicosPavlov)
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1136 (241319) |
2018-02-18 11:18:20 |
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#5 |
D3d4lu5 (D3d4lu5)
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1123 (343788) |
2018-10-31 22:03:45 |
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