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Comment by tennysont

> [Attestation] say nothing about your OS, your browser, your extensions, whether your phone is rooted or jailbroken, your firmware version, or even what colour it is.

Largely false. The Pixel verifies the OS and will reveal `verifiedBootState != Verified` on GrapheneOS in the attested passkey at registration, which websites may choose to reject. Apple Silicon has an undocumented SEP which prevents Asahi Linux from accessing it. There may be other examples now or in the future.

Also, I think you can deduce the device color from [1] on Android.

So, in conclusion: https://storage.ghost.io/c/ee/88/ee889f88-37ef-43e5-9180-f9b...

[1] https://source.android.com/docs/security/features/keystore/a...

parent tennysont 19 days ago

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