After I recently mentioned Bellaso’s set of seven challenge ciphers from 1564 on this blog, Augusto Buonafalce very kindly emailed me with scans of Bellaso’s three challenge ciphers from 1555. I’ve now transcribed these (as best I can) and have added them to the existing Bellaso cipher transcriptions page.
I do acknowledge that the font that my theme [...] Read more »
A little while back, I asked Augusto Buonafalce about Renaissance cryptographer Giovan Battista Bellaso’s challenge ciphers, completely unaware that he seems to have published more articles on them than anyone else on the planet. (Shame on me for not subscribing to Cryptologia, I really ought to.)
In fact, Bellaso published two sets of challenge ciphers in [...] Read more »
…or, in all its prolixitous glory, ”The Six Unsolved Ciphers: Inside the Mysterious Codes That Have Confounded the World’s Greatest Cryptographers“, by Richard Belfield (2007). It was previously published by Orion in the UK as “Can You Crack the Enigma Code?” in 2006.
You’d have thought I’d be delighted by this offering: after all, it covers the [...] Read more »
