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EghtesadOnline: Iranian electrical engineering doctoral student at the University of Washington has devised a way to relay the signal from a fingerprint scanner or touchpad through the body to a receiving device that is also in contact with the user.

Rather than rely on easy-to-hack Wi-Fi or Bluetooth signals, Mehrdad Hessar with the cooperation of electrical engineers developed a system that uses the human body to securely transmit passwords, reports ISNA.

"Let’s say I want to open a door using an electronic smart lock," said Merhdad Hessar.”

 "I can touch the doorknob and touch the fingerprint sensor on my phone and transmit my secret credentials through my body to open the door, without leaking that personal information over the air."

The system uses signals that are already generated by fingerprint sensors on smartphones and laptop touchpads, which have thus far been used to receive input about the physical characteristics of a user's finger.

fingerprint scanner Wi-Fi body passwords