Steven D. Brewer 🏳️‍⚧️ on Nostr: I wrote a program once that would take a phrase in a substitution cipher, do a letter ...

I wrote a program once that would take a phrase in a substitution cipher, do a letter frequency analysis, show the proposed solution above the cipher text, and let you propose changes (e.g. type "a=n" and it would put As above all the Ns.) This was back in the CP/M days…