Hmmm, well TREZOR requires a web plugin. So if nobody installs plugins then we have a problem :) But regardless, actually like I said, you don't need a plugin. Browsers do it all already. With the <keygen> tag they even create a private key and upload the public part to be signed for you, it's seamless for the user. I wanted to give you a link to a demo site, but I can't find it anymore :(
So there's not even a need for people to upgrade anything! It's all there, already, for everyone. If you were to make some upgrades, then you'd want to focus on key management, which indeed is something the Bitcoin world is trying hard to solve. But that's a small subcomponent. Making a modified version of Chrome or Firefox that can take their key from a BIP32 hierarchy or 12-words scheme is certainly possible, but then you could still reuse all the rest of it. Something I'd really like to see is TREZOR supporting a simple request/response protocol that a server can trigger, via the USB plugin, that would allow a server to display some arbitrary text and get a confirmation. Slush and I talked about it before. There are a LOT of places that don't care about Bitcoin but do need some kind of safe second factor auth where users know what they are confirming (e.g. at Google!). If TREZOR could be used for these things too, that'd increase demand and help push down prices for Bitcoin users. On Fri, Apr 4, 2014 at 5:09 PM, Eric Larchevêque <ela...@gmail.com> wrote: > On Fri, Apr 4, 2014 at 4:56 PM, slush <sl...@centrum.cz> wrote: > >> I'm cracking my head for many months with the idea of using TREZOR for >> web auth purposes. Unfortunately I'm far from any usable solution yet. >> >> My main comments to your BIP: Don't use bitcoin addresses directly and >> don't encourage services to use this "login" for financial purposes. Mike >> is right, mixing authentication and financial services is wrong. Use some >> function to generate other private/public key from bitcoin's seed/private >> key to not leak bitcoin-related data to website. >> >> > I'm probably very naive, but the fact that the authentication key is your > Bitcoin address was for me a great feature :) > What are the risks associated of id yourself with a bitcoin address you > plan to use on the website for transaction ? > > I mean, what is the difference between doing that, and id with a > login/pass and add your bitcoin address in a settings field ? (knowing you > could always find a mechanism to transfer the account to another bitcoin > address if needed) > > Eric > >
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