Michigan State University professor Anil Jain and a colleague have for the first time designed and created a fake finger containing multiple properties of human skin.
Referred to as a spoof, this fake finger has been used to test two predominant types of fingerprint readers--optical and capacitive--to help determine their resilience to spoof attacks.
The reproduced fingers were created using a combination of materials, including conductive silicone, silicone thinner, and pigments.
"It will help motivate designers to build better fingerprint readers and develop robust spoof-detection algorithms," Jain says.
He has begun work on designing and building a low-cost fingerprint reader to test spoof-detection capabilities, which Jain says could be built in a few hours by others in the fingerprint-recognition community to test for real versus fake fingerprints.
Jain's lab also is working on algorithms that will make the reader more resilient to spoof-presentation attacks.
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