Trusted certifications of key vendors

[Ziutek Wadowski]

Hi,

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We have implemented a client authentication system based on FIDO2 keys. Unfortunately, sometimes our customers try to register a key that our system rejects. The reason is the lack of a certificate in the list of certified key producers. The Certificates trust store we downloaded from https://fidoalliance.org/metadata/ (https://mds3.fidoalliance.org/) but some root CA does not exist on list. These are some examples: Subject: C=DE, O=Swissbit AG, CN=iShield Key FIDO2, OU=Authenticator Attestation
Issuer:  C=DE, O=Swissbit AG, CN=Swissbit FIDO Root CA
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE----- Subject: C=US, ST=North Carolina, O=CryptoTrust, OU=Authenticator Attestation, CN=crp.to/emailAddress=in...@crp.to
Issuer:  C=US, ST=North Carolina, O=CryptoTrust, OU=Root CA, CN=crp.to/emailAddress=in...@crp.to
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE----- Subject: C=US, ST=CA, L=San Jose, O=Synaptics, Inc., OU=Authenticator Attestation, CN=Synaptics
Issuer:  C=US, ST=CA, L=San Jose, O=Synaptics, Inc., OU=PCD, CN=Synaptics CA/emailAddress=cert-au...@synaptics.com
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
Do these key vendors received FIDO2 certification?

Regards Jozef Wadowski

[My1]

I would say if this is a system targeting end users, certificates shouldnt be enforced, aside from newer keys that might even be certified but not in the Metadata service (Solo 2 was for months or maybe even still is affected), and also if users can be expected to use phone-based Passkeys Attestation is dying off too.

enforcing is usually good if it's internal and you really want to restrict the types of FIDO2 Devices.

Regards

My1