Samsung Galaxy S6: its fingerprint scanner hacked through a … – 01net.com

Gilbert
Kallenborn

Reporter

video Screenshot YouTube

safety of smartphone fingerprint readers is – as we know – relative. Several hackers have shown in the past it was possible to hack the iPhone Touch ID 5s and 6. But their process was a bit confusing: it had to take a high resolution photo (1200 dpi) of the print, the print on transparency film, dig a relief with a “platesetter” with ultraviolet light and produce a false skin with wood glue. A DIY session that can take a good hour.

Researchers at the University of Michigan recently showed that there is a much simpler method. Simply having a scan at 300 dpi for print and print with one printer trade.

Obviously, there is a trick. This hack only works when using a conductive ink based on silver and the correct paper. This type of ink is relatively recent and can create printed circuit cheaply, which particularly interested the “makers”, these high-tech tinkerers. But, surprise, this also allows ink to fool fingerprint readers Samsung Galaxy S6 and Huawei Honor H7. And researchers show in a video.

This method has the advantage of being faster and more automated. No need to handle wood glue. But there are still some hardware constraints. The silver ink is only available from Agic, a Japanese startup. The cartridges cost 249 dollars a pack of three and are only compatible with certain Brother brand printers. In this case, the researchers used the MFC-J5910DW model that can be bought for around 200 euros.

Sources:
University of Michigan, Agic

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Gilbert Kallenborn

Reporter

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