4 Cryptography Challenges completed by kit_4ever2005
# Challenge Name Points Time
52 The Mersenne-Foster Cipher 500 2009-12-14 05:23:15
47 Every Bit As Savage 300 2009-09-09 23:45:03
42 Sagan's Son's Security Signal 600 2009-07-02 09:45:58
8 Prime Factor Hangman 50 2006-12-10 10:13:54


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