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Journal of Combinatorial Optimization
Erschienen in: Journal of Combinatorial Optimization 5/2023

01.07.2023

RETRACTED ARTICLE: Enhanced post-quantum key escrow system for supervised data conflict of interest based on consortium blockchain

verfasst von: Shiwei Xu, Ao Sun, Zhengwei Ren, Yizhi Zhao, Qiufen Ni, Yan Tong

Erschienen in: Journal of Combinatorial Optimization | Ausgabe 5/2023

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Abstract

Consortium blockchains offer privacy for members while allowing supervision peers access to on-chain data under certain circumstances. However, current key escrow schemes rely on vulnerable traditional asymmetric encryption/decryption algorithms. To address this issue, we have designed and implemented an enhanced post-quantum key escrow system for consortium blockchains. Our system integrates NIST post-quantum public-key encryption/KEM algorithms and various post-quantum cryptographic tools to provide a fine-grained, single-point-of-dishonest-resistant, collusion-proof and privacy-preserving solution. We also offer chaincodes, related APIs, and invoking command lines for development. Finally, we perform detailed security analysis and performance evaluation, including the consumed time of chaincode execution and the needed on-chain storage space, and we also highlight the security and performance of related post-quantum KEM algorithms on consortium blockchain.
Vorheriger Artikel On the residual closeness of graphs with cut vertices
Nächster Artikel Target set selection in social networks with tiered influence and activation thresholds

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Metadaten
Titel
RETRACTED ARTICLE: Enhanced post-quantum key escrow system for supervised data conflict of interest based on consortium blockchain
verfasst von
Shiwei Xu
Ao Sun
Zhengwei Ren
Yizhi Zhao
Qiufen Ni
Yan Tong
Publikationsdatum
01.07.2023
Verlag
Springer US
Erschienen in
Journal of Combinatorial Optimization / Ausgabe 5/2023
Print ISSN: 1382-6905
Elektronische ISSN: 1573-2886
DOI
https://doi.org/10.1007/s10878-023-01047-0

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