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Cryptanalysis

Regular Forum General
Post here about decryption techniques and other stuff related to breaking ciphers
Puzzle help requested Sep 3 2017, 01:48 PM, By Nikko
Topics: 132 Replies: 1,126
Regular Forum Tutorials
Tutorials on how to crack ciphers, from easy to advanced.
A tutorial in programming crypto with Python Mar 2 2015, 07:32 PM, By jdege
Topics: 9 Replies: 104
Regular Forum Challenges
Do you think your encryption is uncrackable or do you just want to make a nice challenge for beginners or more advanced members? Post it here and see what happens!
A strange website with a code Oct 9 2017, 11:41 AM, By Washington
Topics: 292 Replies: 2,310
Regular Forum Utilities
Applications that help in analyzing or deciphering all sorts of encryptions.
TESTU01 source for PRNG test reading from … May 1 2017, 06:47 PM, By Karl-Uwe Frank
Topics: 15 Replies: 106
Regular Forum Chaocipher
Post in this forum if you want to talk about the chaocipher
Moderated By: mosher
The Chaocipher Clearing House, Progress R… Mar 31 2017, 03:17 PM, By mosher
Topics: 55 Replies: 261