Chinese fingerprint sensor firm Vkansee has used a simple modelling clay example of a spoofing attack to highlight the importance of resolution in fingerprint recognition.In a demonstration at Mobile World Congress, Vkansee uses simple dental glue and then children's modelling clay to spoof an iPhone.”Our devices are very different to these examples, because they offer four times the resolution”, Jason Chaikin, president of Vkansee Technologies, told the BBC.He added that the increasing use of smartphones for mobile payments will ramp up the level of effort that fraudsters will put into spoofing efforts.Vkansee has previously stated that it has developed “the world's thinnest optical fingerprint sensor”, but that it also takes fingerprint images in 2000dpi resolution.In a previous press statement, the firm noted: “Apple gets its component from its own Authentec unit and Samsung gets its reader from Synaptics, these only allow for 550 pixels per inch when capturing a fingerprint,” so the Vkansee is 400 times more powerful, said the firm.”At just 1.5mm thin, [the Vkansee] sensor takes fingerprint images in stunning 2000dpi resolution. That's 4X the resolution of most competitors, and higher resolution means more accuracy. In fact, the resulting fingerprint images are so detailed that we can clearly detect the presence of sweat pores as an anti-spoofing measure.”Last December, Vkansee announced it has raised $7 million in new funding. Aviation Industry Corporation of China led the round. The company will use the money to produce an initial 1,000 units ahead of a US rollout in 2015. UTFIS uses advanced pinhole imaging techniques to take a high-resolution image that requires neither a lens system nor a prism for reflecting the light. Vkansee has applied for more than 10 patents related to applying the pinhole-imaging method.
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