nostr:npub17rlc0emedw5xljztfqrmykjaacsx6ujvdas64zznjadrnhhwlavq4jjtgg Check this... Old stuff but can be used as a study to guide someone who wants to learn more about the workings of the PGP..

https://www.blackhat.com/presentations/bh-europe-05/bh-eu-05-callas-up.pdf