Subj : Re: Decoding this... To : Bbsing.Bbs From : Vk3jed Date : Fri Aug 02 2019 08:06 pm -=> On 08-01-19 21:34, Bbsing.Bbs wrote to Vk3jed <=- Bb> As many public keys you have, .. maybe you scraped/captures them from Bb> bbses or other places, any public key contained in the encrypted Bb> message, will allow all those with matching private keys to Bb> view/decrypt the message. Hmm, OK. :) So multiplie ciphertexts, each a copy of the same plaintext Bb> This means offline mail reader or something like that. Bb> The problem with private keys is they can't get into the possession of Bb> anyone but the owner, otherwise there is no non-repudiation! That is Bb> really important, and it has been mentioned in another post at some Bb> point about Proton mail and ... I think it was keybase. Offline mail does work well for PGP/GPG. I used to have a PGP add-on for Bluewave back in the day. A similar add-on could work for GPG and Multimail. It hooked the editor, the offline reader would call the encryption system, and if you wanted to write a message, the system would then pass control to the actual editor. Bb> The short is .. on a bbs, like old school types, I don't know how it Bb> would work for that. I think there are ways, like software to create an Bb> encrypted tunnel into a stateless container that is only active for the Bb> time when the user is decrypting and reading the message. Yeah, good question. :) .... I DID IT! I invented the unadoptable tagline! Try it. Won't work. === MultiMail/Win v0.51 --- SBBSecho 3.03-Linux * Origin: Freeway BBS Bendigo,Australia freeway.apana.org.au (21:1/109) .