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Challenges
  Title Topic Starter Replies Views Topic Info
Regular Crypto challenge: from Cipher Deavours college course, 1976
mosher 2 113
Yesterday, 9:11 AM
Last Post By: tenpanaris
Regular 17th Century Cipher
cmdline 7 189
Jul 28 2009, 02:45 AM
Last Post By: cmdline
Regular ADFGVX Cipher Challenge
osric 5 478
Jun 11 2009, 10:08 PM
Last Post By: osric
Regular A New Kind Of Hill Cipher
a New Cipher and a Challenge
 weux082690 0 126
Apr 3 2009, 01:14 AM
Last Post By: weux082690
Regular A New Challenge
tidmiste 11 429
Aug 29 2008, 11:14 PM
Last Post By: jdege
Regular Bitwise XOR problem
jdege 0 135
Aug 3 2008, 03:16 AM
Last Post By: jdege
Hot Topic
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My New Cipher
Quite Interesting!!
 Paarth Dave 51 875
May 10 2008, 12:32 PM
Last Post By: Paarth Dave
Regular Help Needed
Paarth Dave 3 174
May 5 2008, 07:30 AM
Last Post By: Paarth Dave
Hot Topic
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Can Anyone Break This????
Paarth Dave 32 678
Apr 13 2008, 05:37 PM
Last Post By: jdege
Regular *echo* *echo*
s3c 6 226
Apr 5 2008, 07:18 AM
Last Post By: s3c
Regular Can You Break The Unbreakabe?
The best cipher of mine....
 Paarth Dave 9 265
Apr 4 2008, 06:27 AM
Last Post By: Paarth Dave
Regular Don't Know...
P!ATD
 tidmiste 1 233
Mar 30 2008, 01:40 PM
Last Post By: Paarth Dave
Regular My Cipher Challenge
A challenge for cryptanalysts
 Ruffnekk 2 355
Mar 20 2008, 09:14 PM
Last Post By: s3c
Regular Running Key Challenge
jdege 3 375
Dec 10 2007, 12:07 PM
Last Post By: Revelation
Regular Michelles' Challenge
catish10 2 309
Nov 2 2007, 06:49 PM
Last Post By: catish10
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