● QKD is primarily a mechanism to undertake secure communication, which utilises a cryptographic protocol involving various components of quantum mechanics.
● The technology enables two communicating sides to come up with random secret keys shared by both of them and known exclusively to them, so only they can use it to encrypt and decrypt messages, thus achieving a very highly secure communication.
Why in the News? DRDO and IIT Delhi has successfully demonstrated the Quantum Key Distribution(QKD) link between Prayagraj and Vindhyachal in Uttar Pradesh, a distance of more than 100 kilometres.
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