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Quantum Machine Learning Quantum Cryptography Security

Quantum Search on Encrypted Data Based on Quantum Homomorphic Encryption

arXiv
Authors: Qing Zhou, Songfeng Lu

Year

2017

Paper ID

24870

Status

Preprint

Abstract Read

~2 min

Abstract Words

106

Citations

N/A

Abstract

We propose a homomorphic search protocol based on quantum homomorphic encryption, in which a client Alice with limited quantum ability can give her encrypted data to a powerful but untrusted quantum server and let the server search for her without decryption. By outsourcing the interactive key-update process to a trusted key center, Alice only needs to prepare and encrypt her original data and to decrypt the ciphered search result in linear time. Besides, we also present a compact and perfectly secure quantum homomorphic evaluation protocol for Cliford circuits, where the decryption key can be calculated by Alice with polynomial overhead with respect to the key length.

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  • This paper contributes to the Quantum Machine Learning research area in the Quantum Articles archive.
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  • We propose a homomorphic search protocol based on quantum homomorphic encryption, in which a client Alice with limited quantum ability can give her encrypted data to a powerful...

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1711.10066 [2] arXiv https://arxiv.org/abs/1711.10066 [3] Publisher https://arxiv.org/abs/1711.10066

Local Citation Graph (Related-Paper Links)

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