alg:-7 in Apple attestation

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Jan 16, 2023, 5:36:34 AM1/16/23

to FIDO Dev (fido-dev)

Hi all,

It seems like some Apple devices sends alg parameter in the attStmt, which is not expected as WebAuthn2/3 spec don’t mention about it.

Safari Technology Preview release note says alg field was removed at release116(2020/11/19) but we see this issue more recently.

Does anyone experience the same issue? Any idea what is causing this?

Thanks,

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