Efficient Ciphertext Deduplication and Auditing Scheme with Attribute-based Encryption

Hua MA; Qianlong DANG; Jianfeng WANG; Zhenhua LIU

doi:10.11999/JEIT170935

Volume 41 Issue 2

Jan. 2019

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Article Navigation > Journal of Electronics & Information Technology > 2019 > 41(2): 355-361

Hua MA, Qianlong DANG, Jianfeng WANG, Zhenhua LIU. Efficient Ciphertext Deduplication and Auditing Scheme with Attribute-based Encryption[J]. Journal of Electronics & Information Technology, 2019, 41(2): 355-361. doi: 10.11999/JEIT170935

Citation:

Hua MA, Qianlong DANG, Jianfeng WANG, Zhenhua LIU. Efficient Ciphertext Deduplication and Auditing Scheme with Attribute-based Encryption[J]. Journal of Electronics & Information Technology, 2019, 41(2): 355-361. doi: 10.11999/JEIT170935

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Efficient Ciphertext Deduplication and Auditing Scheme with Attribute-based Encryption

doi: 10.11999/JEIT170935

1.
School of Mathematics and Statistics, Xidian University, Xi’an 710071, China
2.
School of Network and Information Security, Xidian University, Xi’an 710071, China

Funds: The National Natural Science Foundation of China (61702401, 61472470), The China Postdoctoral Science Foundation (2017M613083)

Received Date: 2017-10-10
Rev Recd Date: 2018-11-14

Available Online: 2018-11-19

Publish Date: 2019-02-01

Abstract

Abstract

Existing attribute-based deduplication schemes can support neither auditing of cloud storage data nor revocation of expired users. On the other hand, they are less efficient for deduplication search and users decryption. In order to solve these problems, this paper proposes an efficient deduplication and auditing Attribute-Based Encryption (ABE) scheme. A third-party auditor is introduced to verify the integrity of cloud storage data. Through an agent auxiliary user revocation mechanism, the proposed scheme supports the revocation of expired users. Effective deduplication search tree is put forward to improve the search efficiency, and the proxy decryption mechanism is used to assist users to decrypt. Finally, the security analysis shows that the proposed scheme can achieve IND-CPA security in the public cloud and PRV-CDA security in the private cloud by resorting to the hybrid cloud architecture. The performance analysis shows that the deduplication search is more efficient and the computation cost of user encryption is smaller.
- Attribute-Based Encryption (ABE),
- Data deduplication,
- Auditing,
- Users revocation,
- Proxy decryption

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References(14)

References

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