Optical Power Limiter Pushes Attack-Proof Quantum Communication Forward - IDEX Health & ScienceIDEX Health & Science

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    Optical Power Limiter Pushes Attack-Proof Quantum Communication Forward

    Article obtained from Photonics RSS Feed.

    Researchers from the National University of Singapore (NUS) developed two methods to enable quantum key distribution (QKD) communications to avoid side-channel attacks — instances in which attackers exploit weaknesses in the setup of the information system to eavesdrop on the exchange of secret keys.

    QKD is a method for secure communication that uses quantum mechanics to encrypt information. While the security of QKD is unbreakable in principle, if it is incorrectly implemented, vital information could still be stolen by attackers.

    The first method, which the researchers say is theoretical, is an ultrasecure cryptography protocol that can be deployed in any communication network that needs long-term security. The second,…

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    Jul, 19 2021 |

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