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The Josse Cipher - A French Army Cipher from the late 19th Century 

Cryptography for Everybody
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14 окт 2024

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Комментарии : 9   
@CryptographyForEverybody
@CryptographyForEverybody Год назад
There is a small mistake in the table. I swapped B and D. This changes the table slightly, but it still works in the examples 🙂
@sirarnie9837
@sirarnie9837 Год назад
I have a cipher puzzle that I really want to know the answer to. Would you by chance be available for hire to solve it? It probably wouldn't take but a few minutes of your time. Thanks.
@CryptographyForEverybody
@CryptographyForEverybody Год назад
Hiho, Just post it here, Greetings, Nils
@sirarnie9837
@sirarnie9837 Год назад
@@CryptographyForEverybody I posted a link to the puzzle, but it doesn't look like it will let me post it in the comments. I'd honestly pay for someone to solve it.
@CryptographyForEverybody
@CryptographyForEverybody Год назад
What kind of cryptographic riddle is it?
@sirarnie9837
@sirarnie9837 Год назад
@@CryptographyForEverybody You'd have to go to that link I tried to post for the full context. But it won't let me post it in the comments. Best I can guess is it is a combination of enigma and something else. The cipher has been cracked by a few people, so I know it is doable. I actually have a cryptanalyst looking at it but even he hasn't solved it yet.
@noleftturns
@noleftturns Год назад
Do a Playfair on the keyword and plain text message then run the Josse Cipher. Of course, the Polybius Square needs to be shuffled well. A nice cipher with the message being part of the key.
@noleftturns
@noleftturns Год назад
Sometime if you get the chance, I'd like to see several shuffling techniques that can be used (manual) on P-squares and alphabets. The ones I use don't seem to do a good job - thanks.
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