Mathematical Modeling of Secure Access to Multimodal Heterogeneous Network Data Across Layers
Generally,multimodal heterogeneous network data contains personal sensitive information.Privacy pro-tection becomes an important consideration during cross-layer secure access.To address issues of data leakage caused by illegal access,this paper proposed a mathematical modeling for cross-layer security access of multimodal heteroge-neous network data.Firstly,based on the multimodal heterogeneous protocol adaptation model,multimodal heterogene-ous network data was unified into the same format.On this basis,data were integrated,and a mathematical model for secure cross-layer access of data was built,thus clarifying three entities:data owners,servers,and data users.After seven steps:user authority judgment,initialization,dynamic authentication of data user,user verification,data authori-zation,data distribution,and data cross-layer access control,cross-layer security access of multimodal heterogeneous network data was achieved.Experimental results show that the proposed method maintains access overhead and per-mission recovery overhead within 14ms.The average data packet delivery rate is high,and the average energy con-sumption is low.
Multimodal heterogeneous networkCross-layer security access of dataMathematical modelingData ownerData user
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