User-role Assignment Optimization Algorithm in Cloud Evironment

WANG Jing-yu; CHEN Li

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User-role Assignment Optimization Algorithm in Cloud Evironment

更新时间：2026-09-04

- User-role Assignment Optimization Algorithm in Cloud Evironment
- Vol. 35, Issue 8, Pages: 87-92(2018)
- 作者机构：
  
  内蒙古科技大学机构信息工程学院, 内蒙古自治区,包头,014010
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2018
- 稿件说明：
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王静宇, 陈丽. 云环境下的用户-角色分配优化算法[J]. 微电子学与计算机, 2018, 35(8): 87-92.

WANG Jing-yu, CHEN Li. User-role Assignment Optimization Algorithm in Cloud Evironment[J]. 2018, 35(8): 87-92.
王静宇, 陈丽. 云环境下的用户-角色分配优化算法[J]. 微电子学与计算机, 2018, 35(8): 87-92. DOI：

WANG Jing-yu, CHEN Li. User-role Assignment Optimization Algorithm in Cloud Evironment[J]. 2018, 35(8): 87-92. DOI：

摘要

针对云环境下基于角色访问控制模型中用户角色指派不精确及效率低的问题

设计了基于属性和信任的角色访问控制模型

提出基于此模型的用户-角色分配优化算法

该算法融合了最小角色集合查找与基于属性的角色筛选

通过删除混杂角色层次结构中的角色激活和角色继承关系

得到最小角色集合

通过用户属性、环境属性、信任值筛选得到最佳角色集合

并精确匹配给用户.仿真实验表明

此算法能有效减少系统中的角色数

缩短用户角色的指派时间

提高用户-角色匹配的精确度.

Abstract

Aiming at the problem of imprecise and inefficient user role assignment in the role-based access control model in the cloud environment

the role-based access control model based on attribute and trust is designed. and A user-role assignment optimization algorithm based on this model is proposed

the algorithm combines the minimum role set searching and the attribute-based role filtering

by deleting the role activation in the hybrid role hierarchy and Role inheritance

get the smallest role set

through the user attributes

environmental attributes

trust value filter to get the best role set

and accurate match to the user. Simulation results show that this algorithm can effectively reduce the number of roles in the system

shorten the assignment time of user roles and improve the accuracy of user-role matching in the presence of a large number of user role assignments in the cloud environment.

关键词

Keywords

references

Qi H, Luo X, Di X, et al. Access Control Model Based on Role and Attribute and Its Implementation[C]// International Conference on Cyber-Enabled Distributed Computing and Knowledge Discovery. IEEE, 2017: 66-71.

Almulla S A, Chan Y Y. Cloud computing security man-agement[C] Second International Conference on Engineering Systems Management and ITS Applications. IEEE, 2010: 1-7.

Curran K, Carlin S. Cloud computing security[M]// Cloud Computing Basics. Springer New York, 2014: 14-19.

Joshi J B D, Bertino E, Latif U, et al. A Generalized Temporal Role-Based Access Control Model[J]. IEEE Transactions on Knowledge % Data Engineering, 2005, 17(1):4-23. DOI: 4

Majhi S K, Dhal S K. A Study on Security Vulnerability on Cloud Platforms [J]. Procedia Computer Science, 2016, 78:55-60. DOI: 55

LI Fenghua, SHI Guozhen, MA Jianfeng, et al. Research status and development trends of access control model[J]. Acta Electronica Sinica, 2012, 40(4): 805-813. DOI: 805

Zhang L, Zhang H L, Han D J, et al. Theory and Algorithm for Roles Minimization Problem in RBAC Based on Concept Lattice[J]. Acta Electronica Sinica, 2014, 42(12):2371-2378. DOI: 2371

熊厚仁, 陈性元, 费晓飞等.基于属性的RBAC的混合扩展访问控制模型[J].计算机应用研究, 2016, 33(7):2167-2169. DOI: 2167

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