Access control in user hierarchy based on elliptic curve cryptosystem

Chung, Yu-Fang; Lee, Hsiu Hui; Lai, Feipei; Chen, Tzer-Shyong

doi:10.1016/j.ins.2007.08.001

Cited by 53 publications

(41 citation statements)

References 17 publications

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“…Further, our scheme, [8] and [10] are secure against possible attacks as compared to other schemes [5], [7], [11], [13]. However, [8] and [10] require very high storage and computational overheads compared to our scheme.…”

Section: Performance Comparison With Other Schemesmentioning

confidence: 80%

“…Moreover, dynamic access control problems in our scheme are solved efficiently as compared to other schemes. Considering security and low storage and computational complexity, our scheme is significantly better than all other schemes [5], [7], [8], [10], [11], [13].…”

Section: Performance Comparison With Other Schemesmentioning

confidence: 93%

“…Since then several different solutions to solve access control problem have been proposed in the literature. Chung et al [5] proposed an efficient key management scheme for solving dynamic access control problem in a user hierarchy based on polynomial interpolation and elliptic curve cryptography (ECC). However, Das et al in [6] showed that when a new security class is added into the hierarchy, any external attacker who is not a user in any security class can easily derive the secret key of a security class using the root finding algorithm.…”

Section: Related Workmentioning

confidence: 99%

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A Novel Key Management Mechanism for Dynamic Hierarchical Access Control Based on Linear Polynomials

Odelu

Das

Goswami

2012

Communications in Computer and Information Science

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Abstract. Several key management schemes for dynamic access control in a user hierarchy are proposed in the literature based on elliptic curve cryptosystem (ECC) and polynomial interpolation. Since the elliptic curve scalar multiplication and construction of interpolating polynomials are time-consuming operations, most of the proposed schemes require high storage and computational complexity. Further, most of the proposed schemes are vulnerable to different attacks including the manin-the-middle attacks. In this paper, we propose a novel key management scheme for hierarchical access control based on linear polynomials only. We show that our scheme is secure against different attacks including the man-in-the-middle attack, which are required for an idle access control scheme. Moreover, the computational cost and the storage space are significantly reduced in our scheme while compared to the recently proposed related schemes.

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Section: Performance Comparison With Other Schemesmentioning

confidence: 80%

Section: Performance Comparison With Other Schemesmentioning

confidence: 93%

Section: Related Workmentioning

confidence: 99%

See 1 more Smart Citation

A Novel Key Management Mechanism for Dynamic Hierarchical Access Control Based on Linear Polynomials

Odelu

Das

Goswami

2012

Communications in Computer and Information Science

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“…To ensure high security and efficiency, Chung et al [22] and Jeng and Wang [23] proposed two efficient solutions for dynamic access problem in a user hierarchy based on elliptic curve cryptosystems recently. Nonetheless, the two scheme in [22,23] use the public polynomials in key generation and derivation phase, which imposes some computational overhead to the schemes since constructing the interpolating polynomials are tremendous. To improve performance further, Nikooghadam et al [2] propose such a new key management scheme for hierarchical access control based on ECC that does not require these polynomials in its structure.…”

Section: Figmentioning

confidence: 99%

“…Due to utilization of the elliptic curve cryptosystem which has a low computational cost and small key size, the three proposed methods in [2,22,23] are superior in both security and efficiency to other schemes in the existing literature. Therefore, we shall compare our proposed scheme to only these there schemes for evaluation of performance.…”

Section: Performance Analysismentioning

confidence: 99%

An Efficient Key-Management Scheme for Hierarchical Access Control in E-Medicine System

Chen

2011

J Med Syst

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In e-medicine system, the sharing of patients' medical histories scattered among medical institutions through the Internet is highly desirable. The most immediate cryptographic need certainly is an efficient key management method to solve dynamic access problems in a user hierarchy. In this paper, we propose a practical solution for dynamic access problem in a user hierarchy based on hybrid cryptosystems. When compared with Nikooghadam et al.'s scheme proposed most recently, the time complexity and the required storage space is reduced significantly. Moreover, it provides provable security, and is easy to implement. Therefore, our scheme is more suitable for e-medicine system.

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A flexible hierarchical access control mechanism enforcing extension policies

Chang

2014

Security Comm Networks

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Some specific information or resources only can be accessed by authorized users. Discretionary access control (DAC), mandatory access control (MAC), and role‐based access control (RBAC) are three main classes of access control policies. MAC and RBAC are more secure than discretionary access control because a system instead of an object's owner determines the policy. MAC is appropriate for multilevel applications with high security requirements such as military ones, while RBAC provides security and business benefits. Most institutions, companies, and governments are multilevel, so relationships between roles or security levels tend to be hierarchical. In this work, an access control mechanism, providing explicit transitive exception and antisymmetric arrangement, is proposed to provide flexible and appropriate solutions to hierarchical relationships. For practicability, no access control policy is strictly constrained in the proposed mechanism such that security classes can be determined according to specific requirements. The proposed mechanism employs an elliptic curve cryptosystem and a two‐layer hash approach to ensure security and computation efficiency. Copyright © 2014 John Wiley & Sons, Ltd.

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Access control in user hierarchy based on elliptic curve cryptosystem

Cited by 53 publications

References 17 publications

A Novel Key Management Mechanism for Dynamic Hierarchical Access Control Based on Linear Polynomials

A Novel Key Management Mechanism for Dynamic Hierarchical Access Control Based on Linear Polynomials

An Efficient Key-Management Scheme for Hierarchical Access Control in E-Medicine System

A flexible hierarchical access control mechanism enforcing extension policies

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