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An authorization model of quantitative analysis of the least privilege

机译：最少特权定量分析的授权模型

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摘要

LP (Leaset Privilege) is one of the key principles of the RBAC model.It means that only the minimum collection of permissions can be granted the user to complete the specified task in order to prevent potential security threats caused by excess privileges. Recently most authorization mechanisms for granting permissions by least privilege are based on professional experience in specific fields. However, with the increasing number of roles, users and process of authorization, this become a heavy burden to the administrator and also the reliability and accuracy are not guaranteed. This paper presents an authorization model of quantitative analysis of the least privilege.The model authorizes users permissions by different weights according to the importance of these permissions.At the same time, the concept of least privilege will be expressed in formal methods, combined with the improved algorithm which proves the correctness and validity of the model.
机译：LP（Leaset Privilege）是RBAC模型的关键原则之一。它意味着只能授予用户完成指定任务的最小权限收集，以防止由超额权限造成的潜在安全威胁。最近，最重要的权限授权的大多数授权机制都是基于特定领域的专业经验。但是，随着越来越多的角色，用户和授权过程，这成为管理员的沉重负担，并且不保证可靠性和准确性。本文介绍了对最少特权的定量分析的授权模型。模型根据这些权限的重要性授权不同权重的权限。同时，最不特权的概念将以正式的方法表达，结合使用改进算法，证明了模型的正确性和有效性。

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