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A new secure authentication scheme for cloud computing environment

机译:一种新的云计算环境安全认证方案

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摘要

Cloud computing is an emerging computing area that allows on-demand, scalable, flexible, and low-cost services to the users. In cloud computing, access control and security are two major problems. In this paper, a novel authentication scheme using Chebyshev chaotic maps has been presented. The proposed model satisfies many security factors, such as scalability of login, mutual authentication, freedom of password change, two-factor security, and forward security. Two-factor security is a method that requires two credentials for authentication, where the first factor may be something that users know and the second factor may be something that users have. Forward security assures the confidentiality of the user’s session key, even if the private key of the server is compromised. In addition, the proposed scheme provides users with untraceability and anonymity, which means that any kind of adversary neither gets the identities of users or servers nor link several sessions with a user or server. The proposed model is secured under the computational Diffie–Hellman assumption of Chebyshev polynomials in the random oracle model. Moreover, security and performance analysis show that the proposed scheme can resist different security attacks in cloud computing environment and it is better than existing schemes.
机译:云计算是一个新兴的计算领域,它允许向用户提供按需,可伸缩,灵活和低成本的服务。在云计算中,访问控制和安全性是两个主要问题。在本文中,提出了一种使用切比雪夫混沌映射的新型认证方案。所提出的模型满足许多安全因素,例如登录的可伸缩性,相互认证,密码更改的自由度,两因素安全性和前向安全性。两因素安全性是一种需要两个凭据进行身份验证的方法,其中第一个因素可能是用户知道的东西,第二个因素可能是用户拥有的东西。前向安全性可确保用户会话密钥的机密性,即使服务器的私钥受到了威胁也是如此。此外,所提出的方案为用户提供了不可追溯性和匿名性,这意味着任何类型的对手都不会获取用户或服务器的身份,也不会与用户或服务器链接多个会话。所提出的模型在随机预言机模型中Chebyshev多项式的计算Diffie-Hellman假设下得到保护。此外,安全性和性能分析表明,该方案能够抵抗云计算环境中的各种安全攻击,并且优于现有方案。

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