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Allow AAGUID to pass through for platform authenticators #1

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Allow AAGUID to pass through for platform authenticators #1

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2 changes: 1 addition & 1 deletion index.bs
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Expand Up @@ -2135,7 +2135,7 @@ a numbered step. If outdented, it (today) is rendered as a bullet in the midst o
same:
1. If the [=authData/attestedCredentialData/aaguid=] in the [=attested credential data=] is 16 zero bytes, <code>|credentialCreationData|.[=attestationObjectResult=].fmt</code> is "packed", and "x5c" is absent from <code>|credentialCreationData|.[=attestationObjectResult=]</code>, then [=self attestation=] is being used and no further action is needed.
1. Otherwise
1. Replace the [=authData/attestedCredentialData/aaguid=] in the [=attested credential data=] with 16 zero bytes.
1. If the {{PublicKeyCredential/authenticatorAttachment}} is set to {{AuthenticatorAttachment/cross-platform}}, replace the [=authData/attestedCredentialData/aaguid=] in the [=attested credential data=] with 16 zero bytes.
1. Set the value of <code>|credentialCreationData|.[=attestationObjectResult=].fmt</code> to "none", and set the value of <code>|credentialCreationData|.[=attestationObjectResult=].attStmt</code> to be an empty [=CBOR=] map. (See [[#sctn-none-attestation]] and [[#sctn-generating-an-attestation-object]]).

: {{AttestationConveyancePreference/indirect}}
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