Researchers from the Raman Research Institute (RRI), as part of India’s first Quantum Experiments using Satellite Technology (QuEST) project supported by the Indian Space Research Organisation (Isro), have come up with a unique simulation toolkit for end-to-end QKD (quantum key distribution), which will help secure digital communication.

The novel toolkit comes at a time advisories from the Ministry of Home Affairs (MHA) to ensure online communication via secure platforms have highlighted the increasing need for measures to ensure security in the virtual world as Covid-19 confines most day-to-day activities to the digital space.

The secure part of any information transfer protocol is in the distribution of the key used to encrypt and decrypt the messages, RRI, an autonomous institute under the department of science and technology (DST), said.

To tackle this challenge, RRI researchers have come up with a unique simulation toolkit for end-to-end QKD named ‘qkdSim’, which is based on modular principles that allow it to be grown into different classes of protocols using various underpinning technologies.

The research led by Prof Urbasi Sinha’s team was done in collaboration with Prof Barry Sanders from University of Calgary, Canada , and is a part of QuEST. Their work has been accepted by the journal Physical Review Applied.

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