A new discovery in the field of opto-physical unclonable functions (OPUFs) may revolutionize the world of authentication. Researchers from the University of Michigan have developed a way to create random wrinkles in nanoscale materials that can act as a unique identifier for a device. This could be used to authenticate devices, such as computers or phones, without the need for passwords or biometrics. The team’s findings, published in Nature Communications, demonstrate a new way to create truly random OPUFs that could be used for device authentication. This could significantly improve the security of authentication methods, making it harder for hackers to break into devices. The team’s work could be a game changer for authentication security in the future.

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source: Phys.org