QUANTUM KEY DISTRIBUTION

QUANTUM KEY DISTRIBUTION (QKD):

The Defence Research and Development Organisation (DRDO) successfully demonstrated communication between its two labs using Quantum Key Distribution technology.
The Defence Research and Development Laboratory (DRDL) and The Research Centre Imarat (RCI) were the two labs that participated in this demonstration.

About this technology:

Quantum computing refers to a new era of faster and more powerful computers, and the theory goes that they would be able to break current levels of encryption.
QKD works by using photons — the particles which transmit light — to transfer data.
QKD allows two distant users, who do not share a long secret key initially, to produce a common, random string of secret bits, called a secret key.

Significance of this technology:

The encryption is “unbreakable” and that’s mainly because of the way data is carried via the photon.
A photon cannot be perfectly copied and any attempt to measure it will disturb it.
This means that a person trying to intercept the data will leave a trace.

Source: PIB

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