The Research And Application Of The Improved RBAC Model In Traceability System

With flourish development of International technology, most enterprises have entering into an informational era, many various systems arises now. These systems have brought huge benefits and convenience to enterprises, however, at the meanwhile, also brought serval security problems. Thus, access control becomes a essential part of system.Traditional Chinese medicine materials traceability system, it traces and records the planting process and selling process of the traditional Chinese medicine materials in detail by using computer techniques. The system has strict limitation to users because of its complexity, so the interference by human factor should be reduced as much as possible. It shows that access control system plays an important role on it. The traditional RBAC model hardly satisfies the traceability’s security needs for permissions. Therefore, it is necessary to improve the traditional RBAC model as the system needs, to increase the safety factor of the permission administration.This article based on the traditional Chinese medicine materials traceability system, I do some research on the traditional access control technology, analyzes the role-based access control (RBAC) model emphatically, and give a improved method of RBAC model. The main content and the innovations of this article are as follow:1. Do the comparison Analysis on the advantages and disadvantages of each common access control model. I also analyze the deficiency of traditional RBAC model, and then determine that RBAC model is more suitable for this system. Analyzes the deficiency of traditional RBAC model and provides the corresponding solutions.2. Combine the usage characteristics of traceability system and the basic principles of RBAC model, I introduce the concept of’object dimension’,’group time dimension’and ’self-authorized within time limitation’. Then state the features of this improved model.3. Based on the improved RBAC model, I participate in the design and realization of the traceability system for a traditional Chinese medicine company. Then with this example, I introduce the combination and application of this improved RBAC model in real Business system.