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> One of our most highly requested features, Apple Watch can now unlock 1Password on any Mac with a Secure Enclave.

I'm curious how 1Password achieved this as (afaik) Apple hasn't exposed an "Unlock with Apple Watch" API to third parties.

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TIL. It looks like 1Password stores the key in the Secure Enclave and uses the "watch" constraint [0] to access it. This triggers the "Approve with Apple Watch" prompt [1].

[0] https://developer.apple.com/documentation/security/secaccess...

[1] https://i.1password.com/media/mac-apple-watch-prompt.png

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