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Secure quantum key distribution
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DOI：10.1038/NPHOTON.2014.149.png)
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Abstract
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Secure communication is crucial in the Internet Age, and quantum mechanics stands poised to revolutionize cryptography as we know it today. In this Review, we introduce the motivation and the current state of the art of research in quantum cryptography. In particular, we discuss the present security model together with its assumptions, strengths and weaknesses. After briefly introducing recent experimental progress and challenges, we survey the latest developments in quantum hacking and countermeasures against it.
Keywords:
FIELD-TEST
DISTRIBUTION-SYSTEM
BLINDING ATTACK
RANDOM NUMBERS
HIGH-SPEED
CRYPTOGRAPHY
COMMUNICATION
GENERATION
PHOTONS
NETWORK
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