An efficient pairing-free certificateless signature scheme for resource-limited systems

Wang, Liangliang; Chen, Kefei; Long, Yu; Wang, Huige

doi:10.1007/s11432-015-0367-6

Cited by 25 publications

(15 citation statements)

References 6 publications

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“…Later, Huang et al [33] noted that their CLS scheme [8] was unable to resist PKR attacks and proposed security notions for CLS schemes. Since then, researchers have constructed a large number of provably secure CLS schemes [9,10,11,12,13,14,15] in the random oracle model. Aiming to eliminate the security requirements of ideal random oracles, Liu et al [18] constructed a CLS scheme without random oracles based on the identity-based signature scheme proposed by Paterson and Schuldt [34].…”

Section: Related Workmentioning

confidence: 99%

“…According to the security model for CLS presented in References [15,35], a CLS scheme’s security should consider two types of adversaries: type I and type II adversaries. A type I adversary is a PKR attacker who knows the secret value of the targeted entity and who can replace any entity’s public key with its own.…”

Section: Preliminariesmentioning

confidence: 99%

“…Certificateless signatures have received considerable attention in recent years, and researchers have designed numerous CLS schemes [9,10,11,12]. Most existing CLS schemes [13,14,15] have been proven to be secure in the random oracle model [16], where a cryptographic hash function is modelled as an ideal random oracle. The random oracle paradigm helps construct efficient cryptographic schemes, but it has received substantial criticism.…”

Section: Introductionmentioning

confidence: 99%

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A Strongly Unforgeable Certificateless Signature Scheme and Its Application in IoT Environments

Yang

Pei

Chen

et al. 2019

Sensors

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With the widespread application of the Internet of Things (IoT), ensuring communication security for IoT devices is of considerable importance. Since IoT data are vulnerable to eavesdropping, tampering, forgery, and other attacks during an open network transmission, the integrity and authenticity of data are fundamental security requirements in the IoT. A certificateless signature (CLS) is a viable solution for providing data integrity, data authenticity, and identity identification in resource-constrained IoT devices. Therefore, designing a secure and efficient CLS scheme for IoT environments has become one of the main objectives of IoT security research. However, the existing CLS schemes rarely focus on strong unforgeability and replay attacks. Herein, we design a novel CLS scheme to protect the integrity and authenticity of IoT data. In addition to satisfying the strong unforgeability requirement, the proposed scheme also resists public key replacement attacks, malicious-but-passive key-generation-centre attacks, and replay attacks. Compared with other related CLS schemes without random oracles, our CLS scheme has a shorter private key, stronger security, and lower communication and computational costs.

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Section: Related Workmentioning

confidence: 99%

Section: Preliminariesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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A Strongly Unforgeable Certificateless Signature Scheme and Its Application in IoT Environments

Yang

Pei

Chen

et al. 2019

Sensors

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show abstract

“…The first CLS scheme was designed by Al-Riyami and Paterson [15], but Huang et al [16] found that their scheme [15] was insecure under public key replacement attacks. Subsequently, several efforts have been made to construct more secure CLS schemes [17–21].…”

Section: Introductionmentioning

confidence: 99%

A short certificateless aggregate signature against coalition attacks

Yang

Wang

et al. 2018

PLoS ONE

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Certificateless aggregate signature (CLAS) is a crucial cryptosystem. It can not only compress multiple signatures into a short signature, but also ensure the validity of each signature participating in the aggregation by verifying the validity of an resulting aggregate signature. Therefore, a secure and efficient CLAS scheme is very useful for resource-constrained environments because it greatly reduces the overall length of the signature and the verifier’s computational overhead. Cheng et al. presented an efficient CLAS scheme and proved its security in the random oracle model. However, we find that their scheme has security flaws. In this paper, we demonstrate that Cheng et al.’s CLAS scheme is vulnerable to coalition attacks from internal signers. To overcome these attacks, we present an improved CLAS scheme and prove that it is existentially unforgeable under the computational Diffie-Hellman assumption. In addition, our CLAS scheme can not only resist coalition attacks but also generate a very short aggregate signature. The performance analysis results show that our improved CLAS scheme is lower than the related CLAS schemes in terms of communication overhead and computation cost.

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“…Dear editor, The discrete logarithm problem is a classical problem in mathematics and widely used in cryptography [1][2][3][4]. The pre-computation of discrete logarithms of factor base is a crucial and extremely expensive step in many algorithms solving discrete logarithms.…”

mentioning

confidence: 99%

Adaptive two-filter smoothing based on second-order divided difference filter for distributed position and orientation system

Zou

et al. 2019

Sci. China Inf. Sci.

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An efficient pairing-free certificateless signature scheme for resource-limited systems

Abstract: Long Y, et al. An efficient pairing-free certificateless signature scheme for resource-limited systems.

Cited by 25 publications

References 6 publications

A Strongly Unforgeable Certificateless Signature Scheme and Its Application in IoT Environments

A Strongly Unforgeable Certificateless Signature Scheme and Its Application in IoT Environments

A short certificateless aggregate signature against coalition attacks

Adaptive two-filter smoothing based on second-order divided difference filter for distributed position and orientation system

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