您好、欢迎来到现金彩票网!
当前位置:2019欢乐棋牌 > 主密钥 >

多主密钥功能加密-基于LMSSS的M-KP-ABE方案

发布时间:2019-07-16 09:44 来源:未知 编辑:admin

  多主密钥功能加密-基于LMSSS的M-KP-ABE方案_电子/电路_工程科技_专业资料。功能加密极大地拓宽了秘密信息的共享方式,但支持多主密钥功能性函数加密方案的构造问题仍未解决,多主密钥功能加密具有更强的表达能力和更广义的特性.在功能加密的一个子类密钥策略属性基加密上,首次提出了多主密钥形式的安全模型M-KP-ABE.利用线性多秘密共享方案,设计了该安全模型下的一个支

  计算机研究与发展 Journal of Computer Research and Development ISSN 1000—1239/CN 1卜1777/TP 48(8):1363-1369,2011 多主密钥功能加密:基于LMSSS的M-KP-ABE方案 杨晓元1’2 蔡伟艺1 陈海滨2 西安710086) 1(武警工程学院电子技术系网络与信息安全武警部队重点实验室 2(武警工程学院网络与信息安全研究所西安710086) (xyyangwj@126.corn) Multiple-Authority。Key Functional Encryption:A M—KP—ABE Scheme Based LMSSS Yang Xiaoyuanl”,Cai on Weiyil,and Chen Haibin2 1(Key Laboratory of Network&Information Security under the Chinese Armed Police Force.Department of Electronic Technology,Engineering College of the Armed Police Force,Xi 7an 710086) 2(Institution of Network&Information Security,Engineering College of£“Armed Police Force。Xi’an 710086) Abstract Functional encryptl‘on opens up a much larger world of possibilities for sharing encrypted recent data.It is sufficient for many emerging applications.Some types work aimed in the at constructing different of functional of fine-grained as encryption systems which only cou ld be cast on framework encryption,such authority-key IBE,ABE,PE。but they extend focused the systems that supported single- to functionality.We can a functional encryption multiple-authority-key functional an encryption,which encryptor to provide more sophisticated and flexible functionality.This system allows policy and to a specify are capability by describing what users can learn from the ciphertext. are The policies as similar what were defined in the previous systems and the capabilities paper gives a expressed different kinds of authority keys.This security model for a class of multiple- authority-key functional encryption,multiple-authority—key KP—ABE.A new KP—ABE scheme,which supports functionalities taken in multiple authority keys,is proposed in the given security model.Our techniques allow for any attribute access the structure expressed by a linear multi—secret sharing is proven to scheme(LMSSS)matrix M.Based selectively secure on the assumption of DBDH,this scheme be in the gtandard model under chosen plaintext attack.It is easy to derive the single- construct authority-key scheme from the multiple-authority—key scheme and structure.The computational cost fine-grained tree-access of our scheme is equal to the single-authority-key scheme,which makes it more appropriate in many practical applications. Key words KP—ABE;LMSSS;functional encryption;functionality;bilinear pairings 摘要功能加密极大地拓宽了秘密信息的共享方式,但支持多主密钥功能性函数加密方案的构造问题 仍未解决,多主密钥功能加密具有更强的表达能力和更广义的特性.在功能加密的一个子类

http://firmymedyczne.com/zhumiyue/373.html
锟斤拷锟斤拷锟斤拷QQ微锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷微锟斤拷
关于我们|联系我们|版权声明|网站地图|
Copyright © 2002-2019 现金彩票 版权所有