FaceVACS-Entry implements Version 5.2 of the HLBS (High Level Biometric Services) Interface according to BSI TR-03121-2.2. The specification of the HLBS interface can be obtained at https://www.bsi.bund.de/SharedDocs/Downloads/EN/BSI/Publications/TechGuidelines/TR03121/TR-03121-2-2_Biometrics_5_2.pdf
