Classical cryptography system uses giant lasers to boost security

It's been more than 20 years since quantum cryptography systems have been developed, taking over communication security from classical cryptography systems--the kind that used extremely difficult mathematical equations. Now, however, scientists Jacob Scheuer and Amnon Yariv have designed a new kind of classical key distribution system using ultra-long lasers that overcomes the practical challenges faced by quantum systems with its realistic simplicity and symmetry.

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<p><a href="http://www.physorg.com/news80478394.html">Classical cryptography system uses giant lasers to boost security</a></p> <p>It's been more than 20 years since quantum cryptography systems have been developed, taking over communication security from classical cryptography systems--the kind that used extremely difficult mathematical equations. Now, however, scientists Jacob Scheuer and Amnon Yariv have designed a new kind of classical key distribution system using ultra-long lasers that overcomes the practical challenges faced by quantum systems with its realistic simplicity and symmetry.</p>