https://blog.keltia.net • This is a web feed, also known as an Atom feed. Subscribe by copying the URL from the address bar into your newsreader. Visit About Feeds to learn more and get started. It's free. Visit website Recent posts Updated on $DATE date go UNIX, chats, Books, Photos, Rants, Cryptography and other stuff. Zola2026-02-28T00:00:00+00:00https://blog.keltia.net/tags/go/atom.xml 2026-01-15T00:00:00+00:00 2026-02-28T00:00:00+00:00 Ollivier Robert https://blog.keltia.net/old-pencil-and-paper-cryptosystems/

As you may have seen from my site, I have long been interested in old pencil and paper cryptosystems, even before getting hooked on computers. Over the years, I have re-implemented a few of them in various languages: Old BASIC on my Sinclair QL like ages ago Like 15 years ago in Ruby Then in Go when I learned the language in 2016 And more recently in, what else, Rust …