FIDO BLE Authenticator

[Dr. Sanjay Ahuja]

We are referring Solokeys open source implementation which is available for FIDO2 over USB HID and trying to implement a BLE authenticator. The only information we could find on fidoalliance was BLE specification https://fidoalliance.org/specs/u2f-specs-master/fido-u2f-bt-protocol.html which doesn't seem to be enough to implement a BLE authenticator. 

Is there any other information that we can refer to get details of message flow between client and authenticator CTAP library?

[Dr. Sanjay Ahuja]

We are referring open source implementation from Solokey project which has FIDO2 authenticator over USB HID and trying to implement a BLE authenticator. The BLE specifications mentioned on https://fidoalliance.org/specs/u2f-specs-master/fido-u2f-bt-protocol.html seems to be brief and doesn't have details of message flow.

Apart from the above, is there any other information available to implement the BLE authenticator with a message flow between client and the authenticator?

[Tim Cappalli]

Just FYI. Client support for FIDO2 BLE transport is very poor. You may want to explore other transports. 

That being said, take a look at this: https://fidoalliance.org/specs/fido-v2.1-rd-20201208/fido-client-to-authenticator-protocol-v2.1-rd-20201208.html#ble

tim

On Wed, Jun 5, 2024, 22:18 Dr. Sanjay Ahuja <hi.sanj...@gmail.com> wrote:

We are referring open source implementation from Solokey project which has FIDO2 authenticator over USB HID and trying to implement a BLE authenticator. The BLE specifications mentioned on https://fidoalliance.org/specs/u2f-specs-master/fido-u2f-bt-protocol.html seems to be brief and doesn't have details of message flow.

Apart from the above, is there any other information available to implement the BLE authenticator with a message flow between client and the authenticator?

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