Traceable and Weighted Attribute-Based Encryption Scheme in the Cloud Environment

Yan, Xixi; Yuan, Xiaohan; Zhang, Qichao; Tang, Yongli

doi:10.1109/access.2020.2975813

Cited by 10 publications

(25 citation statements)

References 25 publications

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“…Upon the cipher-text update, the proposed system undergoes two theorems: one for traceability and another for key stability checking as discussed in [39].…”

Section: (V) Cipher-text Update Processmentioning

confidence: 99%

Security and Privacy Issues of IoT at Fog Layer Architecture

Michael¹

2021

Preprint

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Internet of Things (IoT) based applications and systems are gaining attention in the recent days because of their vast benefits such as efficient utilization of resources, enhanced data collection, improved security, lesser human efforts and reduced time. Security of sensitive data in IoT based fog environments is inevitable to prevent those data to be misused by the attackers. In this study, we present an improved hybrid algorithm termed as HQCP-ABE (Hybrid Quantum key Cipher text Policy Attribute based Encryption with Cipher text update) that integrates highly effective algorithms such as CP-ABE, Quantum key cryptography and cipher text update. The proposed algorithm eliminates the need of costly pairing during decryptions and efficiently performs data encryption, decryption and user authorization. The proposed protocol is demonstrated to be highly efficient in terms of encryption and decryption while compared to other existing methods. It also achieves lesser packet loss, reduced control overheads, reduced computational overhead during encryption and decryption processes, lesser delay, improved security, packet delivery ratio, throughput, network lifetime with limited bandwidth and user privacy. We further considered energy consumption in this study. The proposed HQCP-ABE method is demonstrated using ns3 simulation and compared with existing CP-ABE and PA-CPABE methods.

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“…Upon the cipher-text update, the proposed system undergoes two theorems: one for traceability and another for key stability checking as discussed in [39].…”

Section: (V) Cipher-text Update Processmentioning

confidence: 99%

Security and Privacy Issues of IoT at Fog Layer Architecture

Michael¹

2021

Preprint

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“…ere is the comparison of the four schemes, including [12][13][14] and our two schemes, in terms of storage overhead and computation cost. Let P indicate a pairing operation.…”

Section: Eoretical Analysismentioning

confidence: 99%

“…|g| and |g T | represent the size of elements in group G and G T , respectively. In our schemes, N represents the size of the criterion universe, while it represents attribute universe in [12][13][14]. n ℓ and n u denote the number of criteria (or attributes) in the access matrix and the number of criteria that are satisfied by the user, respectively.…”

Section: Eoretical Analysismentioning

confidence: 99%

“…In order to distinguish the importance among attributes, some weighted ABE schemes [12][13][14] have been proposed. Liu et al [12] proposed a weighted CP-ABE scheme.…”

Section: Introductionmentioning

confidence: 99%

“…In the scheme, CA is still required in the key generation phase, which reduces the security of the scheme. Yan et al [14] introduced a weighted attribute-based encryption scheme. However, the weight corresponding to each attribute is specified by a central authority, while in the actual scenario of encryption, the data owner should be allowed to decide the weight of each attribute in the access policy.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Multi-Authority Criteria-Based Encryption Scheme for IoT

Sun

Yang

Liu

et al. 2021

Security and Communication Networks

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Currently, the Internet of Things (IoT) provides individuals with real-time data processing and efficient data transmission services, relying on extensive edge infrastructures. However, those infrastructures may disclose sensitive information of consumers without authorization, which makes data access control to be widely researched. Ciphertext-policy attribute-based encryption (CP-ABE) is regarded as an effective cryptography tool for providing users with a fine-grained access policy. In prior ABE schemes, the attribute universe is only managed by a single trusted central authority (CA), which leads to a reduction in security and efficiency. In addition, all attributes are considered equally important in the access policy. Consequently, the access policy cannot be expressed flexibly. In this paper, we propose two schemes with a new form of encryption named multi-authority criteria-based encryption (CE) scheme. In this context, the schemes express each criterion as a polynomial and have a weight on it. Unlike ABE schemes, the decryption will succeed if and only if a user satisfies the access policy and the weight exceeds the threshold. The proposed schemes are proved to be secure under the decisional bilinear Diffie–Hellman exponent assumption (q-BDHE) in the standard model. Finally, we provide an implementation of our works, and the simulation results indicate that our schemes are highly efficient.

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A Review on Traceable Attribute-Based Encryption

Shi

et al. 2022

Communications in Computer and Information Science

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Traceable and Weighted Attribute-Based Encryption Scheme in the Cloud Environment

Cited by 10 publications

References 25 publications

Security and Privacy Issues of IoT at Fog Layer Architecture

Security and Privacy Issues of IoT at Fog Layer Architecture

Multi-Authority Criteria-Based Encryption Scheme for IoT

A Review on Traceable Attribute-Based Encryption

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