Overview
This article provides essential information for developers using Suprema SDKs who want to implement server-side authentication instead of on-device matching.
Summary Table:
| Feature | Support Status | Note |
| Card Matching | Fully Supported | No license required. |
| Fingerprint Matching | Supported via Xperix | Receive matcher support through Xperix. |
| Face Matching | Extraction Only | No SDK matching engine. |
1. Q: Is Card Server Matching supported?
A: Yes, Card Server Matching is fully supported and does not require a separate license.
In this workflow, the Suprema device acts as a pass-through reader. It transmits the captured card data directly to the server without performing internal authentication. The server then processes the data and sends the authentication result back to the device to trigger an action (like opening a door).
Useful Article: [BioStar 2 Device SDK] Monthly Article: A Guide to Server Matching
2. Is Fingerprint Server Matching supported?
While Suprema previously offered Fingerprint Server Matching, this feature has been discontinued. Suprema devices can capture and extract fingerprint templates, the actual "matching" process on a server requires a specialized engine from Xperix.
Suprema device: Support the extraction of fingerprint templates from the device.
The Matching Solution: To perform matching on a server, customers must use a solution from Xperix.
Key Workflow for Customers:
Extraction: The Suprema device captures the fingerprint and converts it into a template.
Suprema devices support the following three formats: Suprema Template / ISO 19794-2 /ANSITransmission: The SDK sends this template to server application.
Matching: Your server utilizes the Xperix Matching Engine to compare the template against the database.
Suprema no longer supports the DLL file related to fingerprint server matching. Please contact Xperix for further assistance. https://tech.xperix.com/en/support/home
3. Is Visual Face Server Matching supported?
Currently, there are no plans to support Face Server Matching via the SDK.
Similar to fingerprints, Suprema devices can extract templates directly from the device. However, unlike fingerprints, Face Templates are generated using Suprema's proprietary algorithm. Therefore, server matching is not possible with templates extracted from third-party devices due to format compatibility issues.
Proprietary Format: Unlike standard fingerprint formats, the Face Template format is based on a proprietary algorithm developed by Suprema.
Compatibility Warning: Face templates extracted from third-party devices or cameras are not compatible with Face Templates extracted from Suprema devices.
If you intend to manage face data, all templates need to be enrolled and extracted through Suprema device to ensure consistency and successful identification.