Patent attributes
A biometric identifier is received, from a first credential granting authority, is associated with a user and was collected by the first credential granting authority. The biometric identifier is stored in association with the user and the first credential granting authority. Trust data is accessed and enables determination of whether a second credential granting authority trusts biometric identifiers collected by the first credential granting authority. It is determined that the second credential granting authority trusts biometric identifiers collected by the first credential granting authority based on the accessed trust data. Based on the determination that the second credential granting authority trusts biometric identifiers collected by the first credential granting authority, biometric identification of the user using the biometric identifier collected by the first credential granting authority is performed for the second credential granting authority.
