Challenge "The Josse Challenge – Part 2" ¶
By: admin on Feb. 25, 2023, 1:29 a.m.
The Josse cipher is a polyalphabetic cipher from the time of the Franco-Prussian War. Its description was lost. It was only rediscovered and published in 2020. In these challenges you are to decipher several, increasingly shorter ciphertexts.