Re: [webauthn] Recovering from Device Loss (#931)

Today we also found some prior work proposing the same key agreement scheme: the ISAP protocol described in [this article](https://hackernoon.com/blockchain-privacy-enhancing-technology-series-stealth-address-i-c8a3eb4e4e43), which references [this whitepaper](https://cryptonote.org/whitepaper.pdf). We haven't yet found any proof or analysis of its security, however. The white paper proposes proofs of the security of a larger protocol built on top, but I don't think one can automatically assume that they imply that the key agreement scheme in isolation must also be secure.

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Received on Friday, 20 September 2019 10:14:30 UTC