RE: TOKENOMIX CONTEST - Win MAPX tokens - Round 4 of 10

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TOKENOMIX CONTEST - Win MAPX tokens - Round 4 of 10

in cryptography •  6 years ago 

The Vigenere Cipher code decryption thing attracted my attention.
I'm in no way familiar with Vigenere Cipher code, so i would have never found the answer if it weren't for @christiands.

But knowing the encryption key was 'weed', I went to look up an online decoder and decoded the message ('The answer that you seek is the token symbol DCMDT'). Fascinating, to say the least.
There's something to play with :0)

What is Vigenere Cipher code used for? I think I remember seeing it being used in some games on SteemIt last year...

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I love it too!
All the codes was invented to send encrypted messages during wars. This code is also used during American Civil War.

Yeah, for a long time it was considered uncrackable and can only be done by brute-force frequency analysis, hence can be done by computers. I think that if the keyword is longer than the message it remains uncrackable, eg. use the first paragraph from a book as the keyword.

But how did it work before they had computers, then? And is it now crackable without a computer? (probably silly questions, but my brain is fried at the moment, lol)

I didn't know that. Another thing learned today 👍