Laser Security for the Internet: Scientist Invents a Digital Security Tool Good Enough for the CIA — And for You

Now a new invention developed by Dr. Jacob Scheuer of Tel Aviv University’s School of Electrical Engineering promises an information security system that can beat today’s hackers — and the hackers of the future — with existing fiber optic and computer technology. Transmitting binary lock-and-key information in the form of light pulses, his device ensures that a shared key code can be unlocked by the sender and receiver, and absolutely nobody else. He will present his new findings to peers at the next laser and electro-optics conference this May at the Conference for Lasers and Electro-Optics (CLEO) in San Jose, California.

"When the RSA system for digital information security was introduced in the 1970s, the researchers who invented it predicted that their 200-bit key would take a billion years to crack," says Dr. Scheuer. "It was cracked five years ago. But it’s still the most secure system for consumers to use today when shopping online or using a bank card. As computers become increasingly powerful, though, the idea of using the RSA system becomes more fragile."

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