Identity-Preserving Public Integrity Checking with Dynamic Groups for Cloud Storage

Hu, Aoting; Jiang, Rui; Bhargava, Bharat

doi:10.1109/tsc.2018.2859999

Cited by 12 publications

(16 citation statements)

References 35 publications

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“…A subset of users who do not meet the requirements cannot reveal the identity of the signer. Detailed proof can refer to [28], [29].…”

Section: Traceabilitymentioning

confidence: 99%

“…In this section, we evaluate the performance of our scheme by calculating the computation cost and communication cost. By comparing our scheme with Huang [14] and Hu [28], we can analyze the performance of our scheme more clearly. The relevant symbols are shown in Table 1.…”

Section: Performance Analysismentioning

confidence: 99%

“…In addition, Hu et al [28] pointed out that currently there is no scheme to realize the public integrity checking with identity privacy protection of efficient dynamic groups in cloud storage, so they proposed an identity-preserving public integrity checking scheme with dynamic groups for cloud storage. They used BLS short signature [29] to verify the legality of user identity, the identity of the signer in this scheme is normally kept confidential.…”

Section: Introductionmentioning

confidence: 99%

“…They used BLS short signature [29] to verify the legality of user identity, the identity of the signer in this scheme is normally kept confidential. In order to reveal the identity of the signer in the group when necessary, Hu et al [28] introduced zero-knowledge proof into the signature algorithm in the proposed scheme, so as to realize the group manager to track the identity of the signer. However, the complex zero-knowledge proof reduces the signature efficiency and is difficult to implement.…”

Section: Introductionmentioning

confidence: 99%

“…Since our scheme uses threshold tracking method, a certain number of users can track the identity of signer, rather than relying only on group manager, which is more fair and equitable. In addition, we use the polynomial function proposed by [28] and [35] to construct the group secret key and efficiently update the group secret key.…”

Section: Introductionmentioning

confidence: 99%

See 4 more Smart Citations

Traceable Dynamic Public Auditing with Identity Privacy Preserving for Cloud Storage

Zhang¹,

Zhang²,

Guo³

et al. 2019

KSII TIIS

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In cloud computing era, an increasing number of resource-constrained users outsource their data to cloud servers. Due to the untrustworthiness of cloud servers, it is important to ensure the integrity of outsourced data. However, most of existing solutions still have challenging issues needing to be addressed, such as the identity privacy protection of users, the traceability of users, the supporting of dynamic user operations, and the publicity of auditing. In order to tackle these issues simultaneously, in this paper, we propose a traceable dynamic public auditing scheme with identity privacy preserving for cloud storage. In the proposed scheme, a single user, including a group manager, is unable to know the signer's identity. Furthermore, our scheme realizes traceability based on a secret sharing mechanism and supports dynamic user operations. Based on the security and efficiency analysis, it is shown that our scheme is secure and efficient.

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“…A subset of users who do not meet the requirements cannot reveal the identity of the signer. Detailed proof can refer to [28], [29].…”

Section: Traceabilitymentioning

confidence: 99%

Section: Performance Analysismentioning

confidence: 99%