Patent ID: 8819793

Claim:
A method comprising: receiving data related to an individual, the data comprising a plurality of elements of personally-identifying information (PII); creating a compositional key for the individual via a one-way hashing function, the one-way hashing function using the plurality of elements of PII as input; storing the compositional key and a biometric print for the individual as a biometric record in a biometric repository; via the compositional key, providing a plurality of federated entity (FE) computer systems with access to the biometric repository; receiving a request for biometric verification of an unverified individual from an FE computer system, the request comprising a representation that the unverified individual has an assigned compositional key that is not known, the request comprising PII; building, via the PII from the request, a candidate compositional key; identifying one or more compositional keys in the biometric repository that at least partially match the candidate compositional key; and verifying a biometric sample for the individual against a biometric print associated with each of the one or more compositional keys.