Dynamic trust management-based interoperation security guaranteeing method

A technology of trust management and security assurance, applied in computer security devices, electronic digital data processing, instruments, etc., can solve problems such as inability to meet dynamic security environment changes, single trust management evaluation indicators, and authority conflicts

Inactive Publication Date: 2010-06-02
BEIJING JIAOTONG UNIV
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

However, in the current interoperability trust evaluation index system, there are problems such as single trust management evaluation index, inability to meet dynamic security environment changes, and permission conflicts caused by role-based access control models.

Method used

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  • Dynamic trust management-based interoperation security guaranteeing method
  • Dynamic trust management-based interoperation security guaranteeing method
  • Dynamic trust management-based interoperation security guaranteeing method

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Embodiment Construction

[0046] The preferred embodiments will be described in detail below in conjunction with the accompanying drawings. It should be emphasized that the following description is only exemplary and not intended to limit the scope of the invention and its application.

[0047]The interoperability system has the characteristics of openness, partial autonomy, dynamics, uncertainty, hierarchy, logical distribution and so on. The present invention applies dynamic trust management to interoperability, logically organizes distributed entities for unified management through trust, creates an interoperable "trust system", establishes trust relationships among entities participating in interoperability, and promotes entity trust through trust. Inter-communication behavior is conducive to strengthening interoperability and collaboration. At the same time, it provides decision support for access control services at the interoperability application level through dynamic trust management, and pro...

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Abstract

The invention discloses a dynamic trust management-based interoperation security guaranteeing method in the technical field of interoperation management control, which comprises the following steps: establishing an interoperation evaluation system; describing an interoperation trust relationship network topological diagram with directed graphs; calculating a recommended trust index based on an interoperation trust path searching algorithm of a max-min ant colony system; substituting the obtained recommended trust index into a fuzzy variable weighting theory-based interoperation dynamic trust comprehensive evaluation method to calculate the comprehensive trust of each user; issuing an access request by an access user; and allocating access control authority to the access user according to the comprehensive trust of the access user. The method has the advantages of solving the problem that conventional trust management only has a single evaluation index, being adapted to dynamic security environmental change and also solving the problem of authority confliction caused by a conventional role-based access control model.

Description

technical field [0001] The invention belongs to the technical field of interoperability management and control, and in particular relates to an interoperability security guarantee method based on dynamic trust management. Background technique [0002] The interpretation of interoperability in the IEEE "Standard Computer Dictionary" is: two or more systems or components can exchange information with each other and have the ability to use the exchanged information. Interoperability emphasizes that systems or components from different sources can coordinate, communicate, and cooperate with each other to achieve a common goal. At present, interoperability has been widely used in various fields, such as military affairs, banking, e-government, education and digital libraries. Interoperability involves many issues such as operating environment, standard system specification, application process, security management, operation control, implementation technology, language, and data...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F21/00G06N3/00G06F21/50
Inventor 王艳辉肖雪梅祝凌曦张晨琛罗俊孙倩
Owner BEIJING JIAOTONG UNIV
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