Efficient scheme for dynamic Cloud data shared within a static group with privacy preserving auditing and traceability

Thokchom, Surmila; Saikia, Dilip Kr.

doi:10.1145/3291064.3291072

Cited by 2 publications

(9 citation statements)

References 40 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…In this section, our proposed scheme is compared with schemes [19] and [26] in terms of communication cost as shown in Table 3. For the convenience of comparison, the main symbols and their meanings are shown in Table 2.…”

Section: B Communication Costmentioning

confidence: 99%

“…The communication cost TPA in our scheme and scheme [26] both is 𝑐(|𝑙| + |𝑞|) . So the two schemes have similar communication cost on the TPA side.…”

Section: B Communication Costmentioning

confidence: 99%

“…In the proof generation phase, the communication cost of CSP in scheme [19] is independent of the number of users and the communication cost is the lowest. The communication cost of CSP in scheme [26] is 𝑐|𝐼𝐷| + |𝐺 2 |, which is related to the length of user identity and the number of group members. The communication cost of CSP in our proposed scheme is (𝑁𝑚+ 𝑛)|𝑞| related to the number of group members.…”

Section: B Communication Costmentioning

confidence: 99%

“…In this section, we further evaluate the computational cost of our scheme and schemes [19,26] as shown in Table 4.…”

Section: Computational Costmentioning

confidence: 99%

See 3 more Smart Citations

Revocable Multiple Groups Outsourcing Data Integrity Auditing Scheme on Lattices

Liu

Zhang

Wang

et al. 2023

Preprint

View full text Add to dashboard Cite

The massive data scale and diverse data types give the data greater value. In the context of the big data era, the realization of outsourced data sharing is conducive to the maximum potential of the data. However, most of the existing outsourcing data sharing schemes only consider data sharing among members in a single group, and ignore the scenario of outsourcing data sharing among multiple groups. In addition, most data integrity auditing schemes use large integer decomposition, discrete logarithms, and other difficult problems. With the rapid development of quantum computing and quantum communication technologies, their security is challenged. In view of these, a lattice-based user revocable multiple groups outsourcing data integrity auditing scheme is proposed. Lattice based delegation technique is used to generate user private keys, which can resist the attack of key exposure, optimize the inherent anonymity and traceability of the group signature. We also combine the technique with identity-based encryption to protect user identity and avoid complex certificate management issues. The use of rejection sampling algorithm in the signature phase to improve signature and verification efficiency. Furthermore, three cases of batch auditing are discussed according to the source of users. At last, the LPR encryption algorithm is adopted to ensure that the group manager can open the group signature by tracing keys and thus enable identity tracing. When a user is revoked, the manager uses the SamplePre algorithm to regenerate partial private keys for the non-revoked users and ensure the security and confidentiality of data. The scheme satisfies conditional anonymity, unforgeability and traceability on the basis of assumptions of RSIS and RLWE problems.

show abstract

Section: B Communication Costmentioning

confidence: 99%

“…The communication cost TPA in our scheme and scheme [26] both is 𝑐(|𝑙| + |𝑞|) . So the two schemes have similar communication cost on the TPA side.…”

Section: B Communication Costmentioning

confidence: 99%

Section: B Communication Costmentioning

confidence: 99%

“…In this section, we further evaluate the computational cost of our scheme and schemes [19,26] as shown in Table 4.…”

Section: Computational Costmentioning

confidence: 99%

See 2 more Smart Citations

Revocable Multiple Groups Outsourcing Data Integrity Auditing Scheme on Lattices

Liu

Zhang

Wang

et al. 2023

Preprint

View full text Add to dashboard Cite

show abstract

“…Compared with other schemes, the Gregory ring signature scheme achieves unconditional anonymity, and can also provide traceability for authorized parties when necessary. Surmila and Dilip [33] proposed an effective audit scheme based on CDH's ring signature for checking the integrity of dynamic data shared between a group of static and static users outsourced in untrusted cloud storage. This solution enabled third-party auditors to audit customer data without knowing the content, while retaining the privacy of the identity of auditors and members of the group who signed the data from the cloud server.…”

Section: Related Workmentioning

confidence: 99%

A Blockchain Privacy Protection Scheme Based on Ring Signature

Mei

Gong

et al. 2020

IEEE Access

View full text Add to dashboard Cite

Blockchain is a point-to-point distributed ledger technology based on cryptographic algorithms. However, the open and transparent blockchain ledger supplemented by statistical methods such as sociological mining and data mining has caused users' privacy to face major threats. Therefore, privacy protection has become a focus of current blockchain technology research. Ring signature technology is a commonly used encryption technology in the field of privacy protection. Therefore, this paper constructs a blockchain privacy protection scheme based on ring signature. This solution built a privacy data storage protocol based on the ring signature on the elliptic curve, and used the complete anonymity of the ring signature to ensure the security of data and user identity privacy in blockchain applications. The correctness and safety proof analysis of the proposed scheme were also carried out. INDEX TERMS Blockchain, privacy protection, ring signature, elliptic curve.

show abstract

Efficient scheme for dynamic Cloud data shared within a static group with privacy preserving auditing and traceability

Cited by 2 publications

References 40 publications

Revocable Multiple Groups Outsourcing Data Integrity Auditing Scheme on Lattices

Revocable Multiple Groups Outsourcing Data Integrity Auditing Scheme on Lattices

A Blockchain Privacy Protection Scheme Based on Ring Signature

Contact Info

Product

Resources

About