Permutational-key quantum homomorphic encryption with homomorphic quantum error-correction
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arXiv
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| Main Authors: | , |
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| Format: | Preprint |
| Published: |
2022
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| _version_ | 1866915325459562496 |
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| author | Ouyang, Yingkai Rohde, Peter P. |
| author_facet | Ouyang, Yingkai Rohde, Peter P. |
| contents | The gold-standard for security in quantum cryptographic protocols is information-theoretic security. Information-theoretic security is surely future-proof, because it makes no assumptions on the hardness of any computational problems and relies only on the fundamental laws of quantum mechanics. Here, we revisit a permutational-key quantum homomorphic encryption protocol with information-theoretic security. We explain how to integrate this protocol with quantum error correction that has the error correction encoding as a homomorphism. This feature enables both client and server to apply the encoding and decoding step for the quantum error correction, without use of the encrypting permutation-key. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2204_10471 |
| institution | arXiv |
| publishDate | 2022 |
| record_format | arxiv |
| spellingShingle | Permutational-key quantum homomorphic encryption with homomorphic quantum error-correction Ouyang, Yingkai Rohde, Peter P. Quantum Physics Cryptography and Security The gold-standard for security in quantum cryptographic protocols is information-theoretic security. Information-theoretic security is surely future-proof, because it makes no assumptions on the hardness of any computational problems and relies only on the fundamental laws of quantum mechanics. Here, we revisit a permutational-key quantum homomorphic encryption protocol with information-theoretic security. We explain how to integrate this protocol with quantum error correction that has the error correction encoding as a homomorphism. This feature enables both client and server to apply the encoding and decoding step for the quantum error correction, without use of the encrypting permutation-key. |
| title | Permutational-key quantum homomorphic encryption with homomorphic quantum error-correction |
| topic | Quantum Physics Cryptography and Security |
| url | https://arxiv.org/abs/2204.10471 |