Biometric security for healthcare could be enhanced if providers were able to use the electrical activity of the heart to encrypt patients' health records, says a team of researchers.A study by scientists at Binghamton State University in New York envision a future where patients have a wearable device, which will continuously collect physiological data and transmit it to the patients' doctors.This data will then be simultaneously linked to health records, reports ComputerWorld.The team said that because electrocardiogram (ECG) signals are already collected for clinical diagnosis, the system would simply reuse the data during transmission, thus reducing the cost and computational power needed to create an encryption key from scratch.”There have been so many mature encryption techniques available, but the problem is that those encryption techniques rely on some complicated arithmetic calculations and random key generations,” said Zhanpeng Jin, a co-author of the paper “A Robust and Reusable ECG-based Authentication and Data Encryption Scheme for eHealth Systems,” told the magazine.Those encryption techniques can't be “directly applied on the energy-hungry mobile and wearable devices,” Jin added. “If you apply those kinds of encryptions on top of the mobile device, then you can burn the battery very quickly.”
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