常数长度密文的模糊属性基签密方案

发布时间：2019-06-11 19:57

【摘要】：针对目前模糊属性基签密方案密文长度随属性个数线性增加的问题,提出了一个密文长度为常数的模糊属性基签密方案。该方案利用拉格朗日插值公式和双线性对进行构建。签密者可将一段消息签密后发送给具有指定属性集的多个用户,同时保证消息的机密性、不可伪造性等安全属性。和现有同类模糊属性基方案相比,该方案需要的运算量最少,并同时支持常数长度的密文,具有更好的效率。
[Abstract]:In view of the problem that the length of the cipher text is linearly increased with the number of the attribute, a fuzzy attribute-based signature scheme with the length of the cipher text is proposed. The scheme is constructed by the Lagrange interpolation formula and the bilinear pair. The signaler can send a piece of message to a plurality of users with a specified attribute set, and simultaneously ensure the confidentiality and the non-forge property of the message. Compared with the prior similar fuzzy attribute-based scheme, the scheme required by the scheme is the least, and the cipher text with constant length is supported at the same time, and the scheme has better efficiency.
【作者单位】：中国民航飞行学院航空工程学院电子与信息工程教研室;
【基金】：中国民航飞行学院面上项目(No.J2013-31);中国民航飞行学院青年基金(No.Q2014-48) 中国民航大学天津市民用航空器适航与维修重点实验室开放基金
【分类号】：TN918.4

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