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Smart city article details
| Title | Ideal Dynamic Threshold Multi-Secret Data Sharing In Smart Environments For Sustainable Cities |
|---|---|
| ID_Doc | 29971 |
| Authors | Hsu C.; Xia Z.; Harn L.; Au M.H.; Cui J.; Zhao Z. |
| Year | 2023 |
| Published | Information Sciences, 647 |
| DOI | http://dx.doi.org/10.1016/j.ins.2023.119488 |
| Abstract | Nowadays, with continuous integration of big data, artificial intelligence and cloud computing technologies, there are increasing demands and specific requirements for data sharing in sustainable smart cities: (1) practical data sharing should be implemented in the non-interactive fashion without a trusted third party to be involved; (2) dynamic thresholds are preferred since the participants may join or leave at any time; (3) multi-secret sharing is desirable to increase the packing capacity. To fulfil these requirements, we propose a general construction of ideal threshold changeable multi-secret sharing scheme (TCMSS) with information-theoretic security, in which polynomials are employed to achieve dealer-free and non-interactive in the secret reconstruction phase. The TCMSS scheme can be built on any existing linear secret sharing scheme, and it is simpler and more efficient than the existing TCSS schemes in the literature. The main difference between TCMSS and Shamir's SS is that univariate polynomial is used in Shamir's SS to generate the shares for all shareholders; while in TCMSS, each shareholder can recover her own univariate polynomial using her share. This article demonstrates that with this novel modification, the classic polynomial-based SS can be transformed into an ideal TCMSS. Moreover, the TCMSS scheme is lightweight and it can resist both internal and external attacks. It does not require pairwise key distribution and its secret reconstruction phase is improved with enhanced properties. Therefore, the designed proposal is fairly suitable and attractive to be deployed in sustainable cities. © 2023 |
| Author Keywords | Data Sharing; Ideal TCMSS; Information-theoretic secure; Lightweight; Smart environments; Sustainable cities |
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