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Online First:2019-04,
Published:15 April 2019
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Yubo SONG, Shanshan QI, Aiqun HU. Delegation authorization mechanism with controllable permissions propagation for IoT devices sharing[J]. Chinese Journal of Network and Information Security, 2019, 5(2): 40-49.
Yubo SONG, Shanshan QI, Aiqun HU. Delegation authorization mechanism with controllable permissions propagation for IoT devices sharing[J]. Chinese Journal of Network and Information Security, 2019, 5(2): 40-49. DOI: 10.11959/j.issn.2096-109x.2019015.
为了解决在共享模式下设备所有者在委托授权时权限敏感度保护以及中间代理滥用授权的问题,综合基于信任度访问控制模型和代理签名的特征,提出了一种基于信任度的可控部分权限委托授权机制。该机制采用基于角色和信任度值的授权策略,通过代理签名实现可控的部分权限委托传递。经安全分析证明,该机制可满足权限传递所需的可验证性、不可否认性、可区分性、可识别性和不可滥用性等安全属性,确保了设备所有者权限的可控安全传递,有效防止中间代理过度授权的问题。
In order to solve the problems of privilege sensitivity protection and the abuse of authorization by the agent when the device owner delegates authorization in IoT devices sharing environment
a trust-based delegation mechanism for controllable partial permissions was proposed with the trust access control model and the proxy signature.This mechanism generates trust values and authorization policies based on the relationship between the users
and implements controllable partial authority delegation through the proxy signature.According to the security analysis
the mechanism can meet the security attributes such as verifiability
non-repudiation
distinguishability
identifiability and non-abuse required by the permission transfer
and ensure the controllable security transfer of the device owner's permission.The problem of over authorization of an intermediary agent is effectively prevented.
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