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Identification via finger template

Whether the use of a finger template is generally possible in your school depends on the caterer or the school. If you do not see the setting in your account, unfortunately it is not available at your school.

To make it easy and quick to identify your child when collecting food, he or she can identify himself or herself using his or her child ID. To change the setting, log in as an adult and then switch to:

My customer account/master data/identification via finger template

What information about the finger is stored?

Users’ fingerprint scans are not stored as a photo document, but as a test value in the respective device. This code, also called a template, is encrypted or assigned to the personal ID. This ensures the highest possible level of anonymity in the system, as no other personal data is stored with this template. There is no unencrypted transmission over insecure channels. Templates can be deleted at any time upon request.

Technical process

The terminal’s biometric reading unit creates a digital image of a fingerprint based on unique features (so-called minutiae of the personal fingertip. The visual fingerprint image is not stored. The resulting so-called finger template is created using a complex mathematical algorithm and stored as a reference.

The recognized minutiae are converted into a digital code (=finger template) using an algorithm. This calculated template is stored as a reference template in the terminal’s memory. This procedure is therefore comparable to a stored PIN code, such as for an EC card.

These codes can only be used within the terminal on site. If a user wants to authenticate themselves at a booking terminal, the currently scanned fingerprint is converted into a template and compared with the previously saved reference template. A match of the code is checked exclusively by calculating this template. The comparison is therefore made exclusively on the basis of digital values. A visual image of the fingerprint is never stored!

There is no way to create a visual image from this code/finger template that could then be used for other purposes. This process, based on the current state of the art, ensures that a person can be clearly and legally identified without violating data protection guidelines or the person’s personal rights.

Objection to the use of the finger template

If the use of a finger template is objected to, our many years of experience show that there are often delays or mix-ups when serving ordered meals. We would like to avoid such unpleasant circumstances to the detriment of your child if possible!

Your advantages of the finger template:

  • Quick recognition of the child at the output
  • This is not a classic fingerprint
  • Possible misuse of registered data is reliably excluded
  • Conversion of individual characteristics of a finger into a barcode

Using the finger template allows our serving terminal to allocate ordered meals to the right children. We therefore recommend that you agree to the use of the finger template for the benefit of your child.