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The existing sensitive information protecting schemes can not satisfy the actual security requirement of some applications. A vector based sensitive information protect scheme is presented based on the existing schemes. One side in trust negotiation can selectively exposes the sensitive attributes to the other side in trust negotiation process based on personal security policy and the trust evaluation result of the other. The implementation process is given in concrete application instances and the scheme is analyzed.

Multimedia techniques have important influence on education of computer science and engineering. In order to improve the innovation ability, this paper proposes an improved multimedia-driven curriculum system of network engineering, which concentrates on the practical training and innovative learning and applications. Project-oriented software, hardware design and development abilities of students are improved based on the proposed multimediadriven curriculum system, which include major curriculums related to internet of things, computer networks and software engineering. Detailed results show the effectiveness of the proposed scheme.

To address the distributed certificates searching problem in trust management, the member set and privilege set are defined, the forward, backward and bidirectional distributed certificates searching algorithms based on the definitions are brought forward, the complexity of the algorithms and also the comparison of the algorithms and existing algorithms are analyzed, the application of the algorithms is described with an instance. It is proved that the algorithm has high practicability and efficiency with the preprocess functions.