Re: [Lightning-dev] Payment sender authentication

2021-12-20 Thread fiatjaf
Hi Joost, On Mon, Dec 20, 2021 at 5:02 AM Joost Jager wrote: > Hi fiatjaf and peter, > > On Sat, Dec 18, 2021 at 2:08 PM fiatjaf wrote: > >> As a temporary solution, I suggest taking a look at >> https://github.com/fiatjaf/lnurl-rfc/blob/luds/18.md. The idea is that >> you can either provide >>

Re: [Lightning-dev] Payment sender authentication

2021-12-20 Thread Peter Todd
On Mon, Dec 20, 2021 at 09:01:37AM +0100, Joost Jager wrote: > On Sat, Dec 18, 2021 at 6:56 PM Peter Todd wrote: > > > Lightning already has sender authentication: you simply give someone a > > pre-image hash over an authenticated channel, and the fact that the > > payment was > > made means only

Re: [Lightning-dev] Payment sender authentication

2021-12-20 Thread Joost Jager
Hi fiatjaf and peter, On Sat, Dec 18, 2021 at 2:08 PM fiatjaf wrote: > As a temporary solution, I suggest taking a look at > https://github.com/fiatjaf/lnurl-rfc/blob/luds/18.md. The idea is that > you can either provide > - a lone pubkey (to be used for manually identifying the payer later if