it is definitely doable, a little searching turned up some code that could be used. if there is not already a tool out there, would be a good tool to create. i could probably build a terminal script to do it, just a matter of taking the time
Discussion
I can barely write my name on a piece of paper never mind code that could be of use 🤣🤣
But I think for ease of access for a normie - having a SF is better than a Nsec
found that this is basically already solved with NIP-6 and nostr-tools has a straightforward implementation. Will see if I can make a UI for it.