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April 1st, 2024 07:13

Fingerprint scanner access after login

Hi, 

Is there a way to access the fingerprint scanner for fingerprint images?

In a previous post your team has mentioned as below:

"It cannot be used to scan anything apart from fingerprints."

My question is, can we use the fingerprint scanner to scan fingerprints and see the images?

Are there specific APIs for, say, FreePascal?

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April 1st, 2024 08:34

Fingerprint scanner access for raw image retrieval is generally restricted for security reasons. While the scanner's purpose is indeed fingerprint identification, directly accessing the scanned image provides a potential security vulnerability.

Here's a breakdown of your query and the previous response:

  • Previous statement: "It cannot be used to scan anything apart from fingerprints." This is accurate. The scanner is designed to capture and process fingerprint data specifically.
  • Your question: Can we use the scanner to capture fingerprint images and view them? - There might be limitations. While some scanners offer functionalities beyond just identification (for example, for forensic purposes), it's not a common feature.

Accessing Raw Fingerprint Images:

  • Restrictions: Fingerprint scanner drivers and APIs typically prioritize security and don't provide raw image access. This prevents unauthorized retrieval of fingerprint data.
  • FreePascal API availability: It's unlikely that there are specific FreePascal APIs for raw fingerprint image access. Public APIs usually focus on identification functionalities.

Alternative Solutions:

  • Manufacturer's SDK: Check if the scanner manufacturer offers an SDK (Software Development Kit). Some specialized SDKs might provide functionalities beyond identification, but access might be restricted or require specific licensing.
  • Security-focused scanners: For specific use cases, there might be high-security scanners designed for forensic applications. These scanners may offer raw image access but would likely be more expensive and require specialized training.

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April 2nd, 2024 07:44

@anyabaker

Thank you for the prompt response.

Your point, that directly accessing raw fingerprint images would cause security vulnerability, is very relevant.

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