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Received:May 10, 2012 Revised:June 12, 2012
Received:May 10, 2012 Revised:June 12, 2012
中文摘要: 针对传统RBAC 模型中无法有效对移动用户进行授权的缺陷, 提出了一个支持空间与时间维度的访问控制模型——SDT-RABC, 定义了在空间环境下的激活空间区域约束、激活空间角色基数约束和空间职责分离约束, 给传统的基于角色的访问控制模型增加了空间安全描述能力.最终建立了一个通用性较好, 描述性较强的访问控制模型.
Abstract:Targeting on the ineffectiveness of authorizing mobile clients in the access control system, SDT_RABC--an access control model, which based on supporting space and time dimension was provided. It defined the constraint of the activation area in the spatial environment, spatial cardinality constraint of role activation and separation of duties spatial constraint, a generalized and well-represented control mode was finally set up which enhanced the capacity of spatial safety description to the traditional role-based access control model.
keywords: information security role-based access control spatial data spatial constraints access control strategy spatial database
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基金项目:福建省科技重点项目(2011Y0049);福建省教育厅支助项目(JA11265);武夷学院科技项目(XQ0932)
引用文本：
郭磊,刘用麟.基于空间特性的访问控制模型.计算机系统应用,2012,21(12):67-71
GUO Lei,LIU Yong-Lin.Access Control Model Based on Spatial Specialty.COMPUTER SYSTEMS APPLICATIONS,2012,21(12):67-71
郭磊,刘用麟.基于空间特性的访问控制模型.计算机系统应用,2012,21(12):67-71
GUO Lei,LIU Yong-Lin.Access Control Model Based on Spatial Specialty.COMPUTER SYSTEMS APPLICATIONS,2012,21(12):67-71
