[aaaaaaaaaab]

Oh my God, this is a horrible mess!

Others have already addressed the incorrectly implemented algorithms, so let me instead point out that there is an ebook about prehistoric humans in the “ciphers” folder: https://github.com/TheAlgorithms/Python/blob/master/ciphers/...

(Robert J. Braidwood - Prehistoric Men)

[rgovostes]

This cracked me up, but it turns out it's used as a source file for doing an encryption benchmark.

https://github.com/TheAlgorithms/Python/blob/d4b4b7ba35cc4e1...