| Summary: | 碩士 === 東海大學 === 資訊工程學系 === 107 === Currently various industries have a fine division of labor, different companies have their own specialized skills or capabilities. Many small or medium-sized enterprises often rely on a few specialized capabilities to survive in the market. As products become more and more complex, collaboration between organizations is becoming more frequent. Therefore, in this thesis, we set the goal on the integration of cross-organizations, and proposes a cloud-based cross-organization cooperation system that is convenient, concise and secure. We assign and control participant permissions through role-based access control, combined with attribute-based encryption to ensure fine-grained data security. Based on these, we designed and proposed a system architecture and implement it.
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