Displaying 1 result from an estimated 1 matches for "authdata_len".
2020 Sep 04
3
Incomplete attestation data for FIDO2 SKs?
I was recently looking at verifying the attestation data
(ssh-sk-attest-v00) for a SK key, but I believe the data saved in this
structure is insufficient for completing verification of the attestation.
While the structure has enough information for U2F devices, FIDO2 devices
sign their attestation over a richer "authData" blob [1] (concatenated with
the challenge hash). The authData blob