Quantum teleportation for keyless cryptography

Abhishek Parakh

doi:10.1117/12.2177509

21 May 2015 Quantum teleportation for keyless cryptography

Abhishek Parakh

Author Affiliations +

Proceedings Volume 9500, Quantum Information and Computation XIII; 950005 (2015) https://doi.org/10.1117/12.2177509
Event: SPIE Sensing Technology + Applications, 2015, Baltimore, MD, United States

Abstract

This paper looks at using quantum teleportation for secure message exchange. Although the proposed protocol has parallels with Ekert’s protocol for key distribution, we look at the issue of directly teleporting message bits instead of encryption keys. Further, it is the first protocol of it’s type where the role of the sender and receiver are flipped around. In other words, unlike traditional protocols, in the proposed protocol the receiver first performs certain measurements thus implicitly determining a stream of bits that she combines with the bit stream received from the sender to determine the secret message. There are no qubits wasted in random measurements.

Citation Download Citation

Abhishek Parakh "Quantum teleportation for keyless cryptography", Proc. SPIE 9500, Quantum Information and Computation XIII, 950005 (21 May 2015); https://doi.org/10.1117/12.2177509

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