Human Recognition Service (HRS) API Functions
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CDSA/HRS (Common Data Security Architecture/Human Recognition Service) is a CSSM (Common Security Services Manager) EMM (Elective Module Manager). It is intended to provide a high-level generic authentication model, suited to use for any form of human authentication. Particular emphasis has been made in the design on its suitability for authentication using biometric technology.
It covers the basic functions of Enrollment, Verification, and Identification, and includes a database interface to allow a biometric service provider (BSP) to manage the identification population for optimum performance.
It also provides primitives which allow the application to manage the capture of samples on a client, and the Enrollment, Verification, and Identification on a server.
The HRS is designed for use by both application developers and biometric technology developers. To make the integration of the technology as straightforward and simple as possible (thus enhancing its commercial viability), the approach taken is to hide or encapsulate to the extent possible the complexities of the biometric technology. This approach also serves to extend the generality of the interface to address a larger set of potential biometric technologies and applications.
Table of Contents
- HRS_CancelGUICallbacks() - Cancels GUICallbacks
- HRS_CancelStreamCallbacks() - Cancels the StreamCallback
- HRS_Capture() - Captures samples
- HRS_CreateTemplate() - Creates a new enrollment template from a BIR containing raw biometric data
- HRS_DbClose() - Closes an open database
- HRS_DbCreate() - Creates and opens a new database
- HRS_DbDelete() - Deletes all records from a database
- HRS_DbDeleteBIR() - Deletes a BIR in an open database
- HRS_DbFreeCursor() - Frees memory and resources associated with a cursor
- HRS_DbGetBIR() - Retrieves a BIR from an open database
- HRS_DbGetNextBIR() - Retrieves the BIR identified by the Cursor parameter
- HRS_DbOpen() - Opens the data store
- HRS_DbQueryBIR() - Returns a pointer to the GUID of a BIR in an open database
- HRS_DbSetCursor() - Sets the cursor to point to a specified record in a database
- HRS_DbStoreBIR() - Stores a BIR in an open database
- HRS_EnableEvents() - Enables the events from the attached HRS service provider in the current process
- HRS_Enroll() - Captures biometric data for the purpose of enrollment
- HRS_FreeBIRHandle() - Frees memory and resources associated with the BIR handle
- HRS_GetBIRFromHandle() - Retrieves the BIR associated with a BIR handle
- HRS_GetHeaderFromHandle() - Retrieves the BIR header identified by handle
- HRS_Identify() - Captures biometric data from the attached device and compares it against the Population
- HRS_IdentifyMatch() - Performs an identification (1-to-many) match between a ProcessedBIR and a set of stored BIRs
- HRS_Import() - Imports non-realtime raw biometric data to construct a BIR
- HRS_Process() - Processes the intermediate data captured via a call to HRS_Capture for the purpose of either verification or identification
- HRS_SetGUICallbacks() - Allows the application to establish callbacks so that the application can control the ‘‘look-and-feel’’ of the biometric user interface
- HRS_SetPowerMode() - Sets the device to the requested power mode
- HRS_SetStreamCallback() - Allows the application to establish a callback for client/server communication
- HRS_StreamInputOutput() - Passes a protocol data unit into the HRS service provider and obtains a response
- HRS_Verify() - Captures biometric data from the attached device and compares it against the StoredTemplate
- HRS_VerifyMatch() - Performs a verification (1-to-1) match between two BIRs - the ProcessedBIR and the StoredTemplate