Server-aided access control for cloud computing

doi:10.11959/j.issn.2096-109x.2016.00104

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Server-aided access control for cloud computing

Paper | 更新时间：2024-06-03

- Server-aided access control for cloud computing
- Chinese Journal of Network and Information Security Vol. 2, Issue 10, Pages: 58-76(2016)
- 作者机构：
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- DOI：10.11959/j.issn.2096-109x.2016.00104
  CLC：
- Online First：2016-10，
  
  Published：15 October 2016
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[J]. Chinese Journal of Network and Information Security, 2016, 2(10): 58-76.
DOI：

[J]. Chinese Journal of Network and Information Security, 2016, 2(10): 58-76. DOI： 10.11959/j.issn.2096-109x.2016.00104.

摘要

With the massive diffusion of cloud computing

more and more sensitive data is being centralized into the cloud for sharing

which brings forth new challenges for the security and privacy of outsourced data.To address these challenges

the server-aided access control (SAAC) system was proposed.The SAAC system builds upon a variant of conditional proxy re-encryption (CPRE) named threshold conditional proxy re-encryption (TCPRE).In TCPRE

t out of n proxies can re-encrypt ciphertexts (satisfying some specified conditions) for the delegator (while up to t−1 proxies cannot)

and the correctness of the re-encrypted ciphertexts can be publicly verified.Both features guarantee the trust and reliability on the proxies deployed in the SAAC system.The security models for TCPRE were formalized

several TCPRE constructions were proposed and that our final scheme was secure against chosen-ciphertext attacks was proved.

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references

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