(Image: Android Authority)
"The truth is that nothing went wrong as far as the scanner is concerned, it did its job as intended. Unfortunately, the researcher (going by the name of darkshark9) was able to use a photograph of his fingerprint from a wine glass and, using Photoshop, create an alpha mask from it."
"This mask was then exported to 3ds Max software in order to create a geometry displacement to get a highly-detailed and raised 3D model. It was then just a matter of printing that model from his AnyCubic Photon LCD resin printer which has an accuracy-level down to 10 microns. This ensured all the ridges of the fingerprint were properly rendered."
https://www.forbes.com/sites/daveywinder/2019/04/06/samsung-galaxy-s10-fingerprint-scanner-hacked-heres-what-you-need-to-know/amp/
https://www.notebookcheck.net/Samsung-Galaxy-S10-fingerprint-sensor-reported-hacked-on-Reddit.415863.0.html
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