
TL;DR
This paper introduces quantum geo-encryption, a protocol enabling messages to be decrypted only at specific geographic locations using quantum encryption and location verification, enhancing secure communication and computing.
Contribution
It presents the concept of quantum geo-encryption, combining quantum encryption with location monitoring, and demonstrates its operational effectiveness in realistic wireless channels.
Findings
Spoofing attacks become nearly impossible when moving away from the designated location.
Quantum geo-encryption enables location-specific decryption without relying on receiver security.
The protocol works effectively in Rician channel conditions.
Abstract
In this work we introduce the concept of quantum geo-encryption - a protocol that invokes direct quantum encryption of messages coupled to quantum location monitoring of the intended receiver. By obfuscating the quantum information required by both the decrypting process and the location verification process, a communication channel is created in which the encrypted data can only be decrypted at a specific geographic locale. Classical wireless communications can be invoked to unlock the quantum encryption process thereby allowing for any deployment scenario regardless of the channel conditions. Quantum geo-encryption can also be used to realize quantum-computing instructions that can only be implemented at a specific location, and allow for a specified geographical data-route through a distributed network. Here we consider the operational aspects of quantum geo-encryption in generic…
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