A Short Linearly Homomorphic Proxy Signature Scheme

Lin, Qun; Li, Jin; Huang, Zhengan; Chen, Wenbin; Shen, Jian

doi:10.1109/access.2018.2809684

Cited by 67 publications

(30 citation statements)

References 34 publications

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“…Qun et al also proposed a short homomorphic proxy signature scheme. Proxy signature schemes permit an original signer to hand over his/her signing authority to a proxy signer, so that the proxy signer can sign on behalf of the original signer [70].…”

Section: Asymmetric or Public-key Algorithmsmentioning

confidence: 99%

Lightweight Cryptographic Techniques for Automotive Cybersecurity

Jadoon

Wang

et al. 2018

Wireless Communications and Mobile Computing

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A new integration of wireless communication technologies into the automobile industry has instigated a momentous research interest in the field of Vehicular Ad Hoc Network (VANET) security. Intelligent Transportation Systems (ITS) are set up, aiming to offer promising applications for efficient and safe communication for future automotive technology. Vehicular networks are unique in terms of characteristics, challenges, architecture, and applications. Consequently, security requirements related to vehicular networks are more complex as compared to mobile networks and conventional wireless networks. This article presents a survey about developments in vehicular networks from the perspective of lightweight cryptographic protocols and privacy preserving algorithms. Unique characteristics of vehicular networks are presented which make the embedded security applications computationally hard as well as memory constrained. The current study also deals with the fundamental security requirements, essential for vehicular communication. Furthermore, awareness of security threats and their cryptographic solutions in terms of future automotive industry are discussed. In addition, asymmetric, symmetric, and lightweight cryptographic solutions are summarized. These strategies can be enhanced or incorporated all in all to meet the security perquisites of future cars security.

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Section: Asymmetric or Public-key Algorithmsmentioning

confidence: 99%

Lightweight Cryptographic Techniques for Automotive Cybersecurity

Jadoon

Wang

et al. 2018

Wireless Communications and Mobile Computing

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“…( 1 , , 2 , , u, 3 , 4 , e, O , P ). V will execute this algorithm to validate whether the signature tuple satisfies (16). If all the equations mentioned above are true, the signatures are valid.…”

Section: Proposed Idpbs-ntru Schemementioning

confidence: 99%

“…The original signer should authorize an agent to sign for himself. Then a proxy signature (PS) should be used in e-payment system, since proxy signer can satisfy this requirement [16].…”

Section: Introductionmentioning

confidence: 99%

An Efficient Identity‐Based Proxy Blind Signature for Semioffline Services

Zhu

Tan

Zhu

et al. 2018

Wireless Communications and Mobile Computing

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Fog computing extends the cloud computing to the network edge and allows deploying a new type of semioffline services, which can provide real-time transactions between two entities, while the central cloud server is offline and network edge devices are online.For an e-payment system and e-voting with such feature, proxy blind signature is a cornerstone to protect users' privacy. However, the signature based on number theorem, such as hard mathematical problems on factoring problem, discrete logarithm problem, and bilinear pairings, cannot defeat quantum computers attack. Meanwhile, these schemes need to depend on complex public key infrastructure. Thus, we construct an identity-based proxy blind signature scheme based on number theorem research unit lattice, which can defeat quantum computers attack and does not need to depend on public key infrastructure. The security of the proposed scheme is dependent on Ring-Small Integer Solution problem over number theorem research unit lattice. The proposed scheme meets the properties of blind signature and proxy signature. Then we compare the proposed scheme with other existing proxy blind signature schemes; the result shows that the proposed scheme outperforms ZM scheme except in proxy signer's signature size and can be more secure than TA scheme and MMHP scheme.

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“…At present, doctors use computers to store and retrieve patients' electronic health records (EHRs). EHRs systems replace paper systems and thus increase efficiency in the recording, storage, and retrieval of patients information [5][6][7]. However, EHRs which reveal highly confidential personal information stored in the cloud and exchanged over the Internet can be vulnerable to attack [8][9][10], such as data loss, hackers hijacking information, and integrity.…”

Section: Introductionmentioning

confidence: 99%

A Secure and Privacy-Aware Smart Health System with Secret Key Leakage Resilience

Zhang

Lang

Zheng

et al. 2018

Security and Communication Networks

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With the development of the smart health (s-health), data security and patient privacy are becoming more and more important. However, some traditional cryptographic schemes can not guarantee data security and patient privacy under various forms of leakage attacks. To prevent the adversary from capturing the part of private keys by leakage attacks, we propose a secure leakageresilient s-health system which realizes privacy protection and the safe transmission of medical information in the case of leakage attacks. The key technique is a promising public key cryptographic primitive called leakage-resilient anonymous Hierarchical Identity-Based Encryption. Our construction is proved to be secure against chosen plaintext attacks in the standard model under the Diffie-Hellman exponent assumption and decisional linear assumption. We also blind the public parameters and ciphertexts by using double exponent technique to achieve the recipient anonymity. Finally, the performance analysis shows the practicability of our scheme, and the leakage rate of the private key approximates to 1/6.

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A Short Linearly Homomorphic Proxy Signature Scheme

Cited by 67 publications

References 34 publications

Lightweight Cryptographic Techniques for Automotive Cybersecurity

Lightweight Cryptographic Techniques for Automotive Cybersecurity

An Efficient Identity‐Based Proxy Blind Signature for Semioffline Services

A Secure and Privacy-Aware Smart Health System with Secret Key Leakage Resilience

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