基于隱含格結(jié)構(gòu)ABE算法的移動(dòng)存儲(chǔ)介質(zhì)情境訪問(wèn)控制
[Abstract]:This paper studies how to enhance the access control ability of the trusted terminal to the mobile storage medium so as to effectively avoid the leakage of sensitive information through the mobile storage medium. First, on the basis of the attribute encryption method that implies the ciphertext strategy, a attribute strategy description method based on the lattice structure is proposed. The new method has proved the correctness and security of the new method. The new method can effectively simplify the access strategy and share the sharing of sensitive information in multilevel security. It is able to achieve fine-grained access control. Further, dynamic and fine-grained context access control is realized by building access strategies of mobile storage devices and users' use situation as attributes. Finally, a hierarchical security management scheme for access authentication and situational access control for mobile storage media is designed. The security and flexibility, and the comparison experiment shows that the application scenario access control scheme still has better processing efficiency. This scheme is also suitable for the safe management of sensitive information under the ubiquitous environment.
【作者單位】: 南京師范大學(xué)計(jì)算機(jī)學(xué)院;麥考瑞大學(xué)計(jì)算機(jī)學(xué)院;
【基金】:江蘇省教育科學(xué)“十二五”規(guī)劃重點(diǎn)基金資助項(xiàng)目(B-a/2013/01/013) 江蘇省自然科學(xué)重大基金資助項(xiàng)目(產(chǎn)學(xué)研聯(lián)合創(chuàng)新基金)(BY2011108)~~
【分類(lèi)號(hào)】:TP333;TP309
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