So cool that the creators of the cipher were accounting for the probability distribution of common characters. Giovan Battista Bellas published his implementati

So cool that the creators of the cipher were accounting for the probability distribution of common characters. Giovan Battista Bellas published his implementation of the Vigenère cipher in 1553[1], and this letter was encoded a few years before that. Very cutting edge work for the time. [1]: https://en.m.wikipedia.org/wiki/Giovan_Battista_Bellaso https://en.m.wikipedia.org/wiki/Giovan_Battista_Bellaso