Random numbers are used for a variety of purposes, such as generating data encryption keys and one-time passwords (OTP) in everyday processes such as online banking and e-commerce to strengthen their security.
The system – developed by the universities of Singapore NTU, Yale and Trinity College Dublin – uses a laser with a special hourglass-shaped cavity to generate random patterns, which are made up of light rays that reflect and interact with each other. inside the cavity. When reading the patterns, the system generates many series of random numbers at the same time.
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