Guide to Solving Classical Ciphers - RACTF Crypto Challenges 01-06
Detailed walkthrough for solving classical cipher puzzles from RACTF Crypto challenges 01-06, including resources such as cipher statistics and index of coincidence calculators.

hyperreality
1.2K views • Jun 9, 2020

About this video
Cipher Statistics: https://bionsgadgets.appspot.com/gadget_forms/refscore_extended.html
Dcode Index of Coincidence Calculator: https://www.dcode.fr/index-coincidence
CryptoCrack: https://sites.google.com/site/cryptocrackprogram/home
A couple clarifications:
02:45 - Vigenère cipher is similar to a Caesar cipher with a key
07:45 - It's still a columnar transposition cipher, just reading off in rows rather than columns
Dcode Index of Coincidence Calculator: https://www.dcode.fr/index-coincidence
CryptoCrack: https://sites.google.com/site/cryptocrackprogram/home
A couple clarifications:
02:45 - Vigenère cipher is similar to a Caesar cipher with a key
07:45 - It's still a columnar transposition cipher, just reading off in rows rather than columns
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1.2K
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Jun 9, 2020
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