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Add compound attestation format #1950

Merged
merged 11 commits into from
Oct 6, 2023
Merged

Add compound attestation format #1950

merged 11 commits into from
Oct 6, 2023

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timcappalli
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@timcappalli timcappalli commented Aug 29, 2023

This PR defines a new attestation format, named compound, which allows for multiple attestation statements to be included in a single ceremony.

The primary use case is for passkey providers which need statements about both the key and the app-based provider.


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@ndpar
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ndpar commented Aug 29, 2023

Is verification considered successful when all or any attestation statement is valid?

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timcappalli commented Aug 29, 2023

Good callout, thanks.

NOTE: this PR is a draft and is not yet ready for review :)

@nadalin nadalin added type:technical @Risk Items that are at risk for L3 labels Aug 30, 2023
@timcappalli timcappalli marked this pull request as ready for review September 6, 2023 02:13
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2023-09-06 call: don't allow empty lists

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Attestation formats are defined places other than this specification. Therefore, the IANA WebAuthn Attestation Statement Format Identifiers registry should be cited, rather than "this specification".

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LGTM

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Co-authored-by: Emil Lundberg <emil@yubico.com>
Co-authored-by: Emil Lundberg <emil@yubico.com>
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Clear to merge per chair on last call

@timcappalli timcappalli merged commit d9bdee4 into main Oct 6, 2023
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@timcappalli timcappalli deleted the tc-att-compound branch October 6, 2023 14:41
github-actions bot added a commit that referenced this pull request Oct 6, 2023
SHA: d9bdee4
Reason: push, by timcappalli

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
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10 participants