Multilevel security policy conversion method

A security policy and conversion method technology, applied in the field of multi-level security policy conversion, can solve problems such as difficulty in ensuring security and heavy workload, and achieve the effect of improving efficiency and reducing labor costs
CN101763476AInactive Publication Date: 2010-06-30INST OF COMPUTING TECH CHINESE ACAD OF SCI
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
INST OF COMPUTING TECH CHINESE ACAD OF SCI
Publication Date
2010-06-30
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention provides a multilevel security policy conversion method, comprises the steps: reading, in an original system, original authorized policy data which describes the authority of host to access relative guests in the original system; classifying the guests in the original system and clustering the classes so as to construct the membership between category and the guests; then combining the membership between the category and the guests with the original authorized policy to construct the membership between the host and the category; within each of the resultant categories, calculating an optimal security classification assignment way of the host to the guests to result I the security classification between the host and the guests so as to obtain a sensitive mark; and according to the sensitive mark of the host and the guests and the access authority of a system to be migrated, generating authorized policy data of the system to be migrated. The method according to the invention can be suitable for the conversion of security policy in large-scale system.
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Description

technical field

[0001] The invention relates to the field of computer security, in particular to a multi-level security policy conversion method. Background technique

[0002] For the sake of computer security, my country has divided the computer information system security protection capabilities into five levels in the "Computer Information System Security Protection Level Classification Guidelines" (GB 17859), namely: user independent protection level (level 1), system Audit protection level (second level), security mark protection level (third level), structured protection level (fourth level), access verification protection level (fifth level). In the above-mentioned standards, it is required that the application security, host security, and network security of information systems above the third level must implement mandatory access control policies, and mainly multi-level security policies; it also requires the designation of sensitive marks for subjects and objects. ...

Claims

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