Decryption Tutorials

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Decryption Tutorials
Topic Started: Oct 27 2005, 08:23 PM (1,359 Views)
Revelation	Oct 27 2005, 08:23 PM Post #1
Administrator Posts: 386 Group: Admin Member #1 Joined: August 23, 2005	In here, you can post your tutorials on how to crack various ciphers. If you want to post a tutorial about an encryption method, please post here.
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Donald	Oct 28 2005, 03:09 AM Post #2
Elite member Posts: 454 Group: Trusted Member Member #8 Joined: September 2, 2005	This is an attempt to gather links to many of the useful posts already scattered around the Forum. I skipped short posts that only gave a useful detail or two in preference for longer posts that were more of a tutorial. I'm certain I missed a few important tutorials, so please feel free to add more links! Walkthroughs and Tutorials on Cryptanalysis rot13: General Strategies For Cryptanalysis insecure: A walkthrough on how to crack a monosubstitution cipher Donald: A different approach to breaking the same cipher insecure: Short post on frequency analysis rot13: How to use contact charts to help with difficult monosubstitution ciphers Donald: Basic attacks on a Vigenere insecure: Cracking a Vigenere by hand Donald: Clarification on probable word attack method rot13: A new and clever attack on the Vigenere cipher insecure: An excellent tutorial on calculating Index Of Coincidence rot13: A better way to calculate Index Of Coincidence rot13: More details on the better way to calculate IOC jdege: The Index Of Coincidence - The Chi Test, The Kappa jdege: Cracking A Vig With Ic rot13: Breaking a keyed transposition cipher rot13: More on breaking a keyed transposition cipher insecure: Basics on breaking a two time pad rot13: Cracking a Grille cipher Donald: Walkthrough on breaking a Playfair Donald: some hints on playfair decryptions



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