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Challenges
  Title Topic Starter Replies Views Topic Info
Regular Impractical-1
A known Plaintext Challenge
Donald 2 378
Nov 22 2005, 09:29 PM
Last Post By: Donald
Hot Topic
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Problems In The Cold War
Hard, with h capitalized!
Revelation 39 519
Oct 29 2005, 09:32 AM
Last Post By: Revelation
Regular Two Two Time Pads To Play With
Donald 2 236
Oct 25 2005, 03:44 PM
Last Post By: Donald
Hot Topic
  • Pages:
  • 1
  • 2
Dirty Lowdown Two-timer
A salutary lesson
insecure 23 728
Oct 25 2005, 05:03 AM
Last Post By: Donald
Hot Topic
  • Pages:
  • 1
  • 3
Easy
level: just registered
cows 32 601
Oct 23 2005, 03:32 PM
Last Post By: cows
Hot Topic
  • Pages:
  • 1
  • 4
The Journal
A multi-level Challenge
Donald 51 952
Oct 20 2005, 11:55 AM
Last Post By: Donald
Regular Mulitple Challenge
Skill Level: A bit tricky
Donald 12 266
Oct 13 2005, 11:46 AM
Last Post By: Donald
Regular Cipher Block Chaining Mode Challenge 2
insecure 8 180
Oct 12 2005, 10:20 PM
Last Post By: insecure
Hot Topic
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  • 1
  • 3
Cbc Mode Challenge
insecure 33 408
Oct 11 2005, 09:44 PM
Last Post By: insecure
Regular Medium Vigenère
Time required: apx. half an hour
Revelation 5 177
Oct 11 2005, 08:09 PM
Last Post By: Revelation
Regular For Starters
Skill level: Just registered
Revelation 11 232
Oct 11 2005, 04:36 PM
Last Post By: Guest
Regular Requesting: Easy Vigenère Challenge
For Beginners
PulsarSL 13 230
Oct 4 2005, 09:52 PM
Last Post By: Donald
Hot Topic
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Vigenere Without Word Divisions
A new and more difficult challenge!
Donald 24 604
Oct 4 2005, 06:20 PM
Last Post By: insecure
Regular Simple Substiution Along With Grille Cipher
Guest 3 238
Oct 3 2005, 09:41 PM
Last Post By: Donald
Hot Topic
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Hard
A Vigenere Challenge!
Donald 15 682
Sep 30 2005, 07:04 PM
Last Post By: Revelation
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