Secure payment and authentication system having security function enhanced by using quantum cryptography
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United States of America Patent
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Apr 28, 2020
Grant Date -
Nov 9, 2017
app pub date -
Jul 20, 2017
filing date -
Jan 23, 2015
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Abstract
Disclosed herein are a quantum cryptography-based cryptographic communication system and an authentication, payment and transaction system via a relay device between a communication device and a server. A relay device for quantum cryptography authentication includes an optical receiver unit, an optical transmission unit, and a processor. The processor includes a quantum signal control unit, a user authentication unit, and a random number generation unit. The optical receiver unit receives a series of second quantum signals generated in such a manner that a series of first quantum signals generated by a first quantum filter and sent from a communication device pass through the second quantum filter of the relay device or a reception side, and the optical transmission unit transfers the series of second quantum signals to a server.
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