一种素数阶群上构造的自适应安全的多授权机构CP-ABE方案

被引:12
作者
李琦 [1 ,2 ]
马建峰 [1 ,2 ]
熊金波 [1 ,2 ]
刘西蒙 [3 ,2 ]
马骏 [1 ,2 ]
机构
[1] 西安电子科技大学计算机学院
[2] 西安电子科技大学陕西省网络与系统安全重点实验室
[3] 西安电子科技大学通信工程学院
关键词
基于属性的加密; 多授权机构; 密文策略; 自适应安全; 素数阶; 标准模型;
D O I
暂无
中图分类号
TP309 [安全保密];
学科分类号
081201 ; 0839 ; 1402 ;
摘要
目前自适应安全的多授权机构基于属性的加密(Attribute-Based Encryption,ABE)方案都是在合数阶群上构造,针对其计算开销较大的问题,利用对偶配对向量空间技术,在素数阶群上构造了一种支持单调的访问结构且自适应安全的多授权机构密文策略ABE(Multi-Authority Ciphertext Policy ABE,MA-CP-ABE)方案.在标准模型下将该方案的安全性归约到判定性线性假设.性能分析表明,该方案在达到自适应安全的同时,具有更高的计算效率.
引用
收藏
页码:696 / 702
页数:7
相关论文
共 19 条
[1]  
Fully secure multi-authority ciphertext-policy attribute-based encryption without random oracles. Liu Z,Cao Z F,Huang Q,et al. Computer Security-ESORICS 2011 . 2011
[2]  
Tools for Simulating Features of Composite Order Bilinear Groups in the Prime Order Setting. Lewko A. Advances in Cryptology-EUROCRYPT’’2012 . 2012
[3]  
Attribute-Based Encryption with Non-Monotonic Access Structures. R Ostrovsky,B Waters. Proceedings of the 14th ACM conference on Computer . 2007
[4]  
Improving privacy and security in multi-authority attribute-based encryption. CHASE M,CHOW S S M. CCS2009 . 2009
[5]  
Attribute-based encryption for fine-grained access control of encrypted data. Goyal V,Pandey O,Sahai A,Waters B. Proc.of the13th ACM conference on Computer and communications security . 2006
[6]  
Identity-based encryption from the Weil pairing. Boneh D,Franklin M. Proceeding of Advances in Cryptology-Crypto’2001 . 2001
[7]  
Bounded ciphertext policy attributebased encryption. Vipul Goyal,Abhishek Jain,Omkant Pandey,Amit Sahai. ICALP (2) . 2008
[8]  
Unbounded HIBE and attribute-based encryption. Lewko A,Waters B. Advances in Cryptology-EUROCRYPT 2011 . 2011
[9]  
Converting pairing-based cryptosystems from composite-order groups to prime-order groups. FREEMAN D M. EUROCRYPT 2010 . 2010
[10]  
Distributed Attribute-Based Encryption. Sascha Muller,Stefan Katzenbeisser,Claudia Eckert. Information Security andCryptology - ICISC 2008 - 11th International Conference, Revised Selected Papers . 2009