RBAC是什么?

RBAC是什么?

​ RBAC 是基于角色的访问控制(Role-Based Access Control )在RBAC 中,权限与角色相关联,用户通过成为适当角色的成员而得到这些角色的权限。这就极大地简化了权限的管理。这样管理都是层级相互依赖的,权限赋予给角色,而把角色又赋予用户,这样的权限设计很清楚,管理起来很方便。

RBAC介绍。

​ RBAC认为授权实际上是WhoWhatHow 三元组之间的关系,也就是WhoWhat 进行How 的操作,也就是“主体”对“客体”的操作。

Who:是权限的拥有者或主体(如:User,Role)。

What:是操作或对象(operation,object)。

How:具体的权限(Privilege,正向授权与负向授权)。

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