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快速解密且私钥定长的密文策略属性基加密方案

李龙 古天龙 常亮 徐周波 钱俊彦

李龙, 古天龙, 常亮, 徐周波, 钱俊彦. 快速解密且私钥定长的密文策略属性基加密方案[J]. 电子与信息学报, 2018, 40(7): 1661-1668. doi: 10.11999/JEIT171086
引用本文: 李龙, 古天龙, 常亮, 徐周波, 钱俊彦. 快速解密且私钥定长的密文策略属性基加密方案[J]. 电子与信息学报, 2018, 40(7): 1661-1668. doi: 10.11999/JEIT171086
LI Long, GU Tianlong, CHANG Liang, XU Zhoubo, QIAN Junyan. Expressive Ciphertext-policy Attribute-based Encryption Scheme with Fast Decryption and Constant-size Secret Keys[J]. Journal of Electronics and Information Technology, 2018, 40(7): 1661-1668. doi: 10.11999/JEIT171086
Citation: LI Long, GU Tianlong, CHANG Liang, XU Zhoubo, QIAN Junyan. Expressive Ciphertext-policy Attribute-based Encryption Scheme with Fast Decryption and Constant-size Secret Keys[J]. Journal of Electronics and Information Technology, 2018, 40(7): 1661-1668. doi: 10.11999/JEIT171086

快速解密且私钥定长的密文策略属性基加密方案

doi: 10.11999/JEIT171086
基金项目: 

国家自然科学基金(U1501252, 61572146, 61562015, U1711263, 61561016),广西重点研发计划(AC16380014, AA17202048),广西自然科学基金(2016GXNSFDA380006, 2017GXNSFAA198283),桂林电子科技大学创新团队项目

详细信息
    作者简介:

    李龙:李 龙: 男,1989年生,博士生,研究方向为密码算法分析与设计. 古天龙: 男,1964年生,教授,博士生导师,研究方向为信息安全. 常 亮: 男,1980年生,教授,研究方向为可信软件设计及测试. 徐周波: 女,1976年生,副教授,研究方向为病毒防治和入侵检测. 钱俊彦: 男,1973年生,教授,研究方向为形式化验证.

  • 中图分类号: TP309

Expressive Ciphertext-policy Attribute-based Encryption Scheme with Fast Decryption and Constant-size Secret Keys

Funds: 

The National Natural Science Foundation of China (U1501252, 61572146, 61562015, U1711263, 61561016), The Key Research and Development Program of Guangxi (AC16380014, AA17202048), The Natural Science Foundation of Guangxi (2016GXNSFDA380006, 2017GXNSFAA198283), The Program for Innovative Research Team of Guilin University of Electronic Technology

  • 摘要: 在保证密文策略属性基加密(CP-ABE)算法安全性的前提下,尽可能地提升其工作效率一直是密码学领域的研究热点。该文从作为CP-ABE效率核心的访问结构着手,首次提出基于简化有序二叉决策图(ROBDD)的访问结构,给出了相应的策略表示方法、用户可满足性判定;基于简化有序二叉决策图(ROBDD)访问结构设计了在算法时间复杂度、存储空间占用量等方面都具有较好表现的CP-ABE方案;在安全性方面,该方案能够抵抗用户间的合谋攻击和选择明文攻击。对比分析表明,ROBDD访问结构具有更强的表达能力和更高的表达效率;新的CP-ABE方案包含时间复杂度为常数阶的密钥生成算法、解密算法,能够为用户生成定长私钥并实现快速解密。
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出版历程
  • 收稿日期:  2017-11-20
  • 修回日期:  2018-04-13
  • 刊出日期:  2018-07-19

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