用于无线自组织网络的属性加密算法

高昂; 李增智; 赵季中

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用于无线自组织网络的属性加密算法

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- 用于无线自组织网络的属性加密算法
- An Efficient Attribute-Based Encryption Algorithm for Ad Hoc Networks
- 西安交通大学学报 2012年46卷第8期页码：33-36
- 作者机构：
  
  西安交通大学电子与信息工程学院,西安,710049
- 作者简介：
- 基金信息：
  
  : 2012-01-09. 作者简介: 高昂(1978-),男,博士生;李增智(通信作者),男,教授,博士生导师. 基金项目: 国家自然科学基金资助项目(60873262)
- DOI：
  中图分类号： TP393
- 网络首发：2012-08-10，
  
  纸质出版：2012
- 稿件说明：
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高昂, 李增智, 赵季中. 用于无线自组织网络的属性加密算法[J]. 西安交通大学学报, 2012,46(8):33-36.

An Efficient Attribute-Based Encryption Algorithm for Ad Hoc Networks[J]. 2012, 46(8): 33-36.
高昂, 李增智, 赵季中. 用于无线自组织网络的属性加密算法[J]. 西安交通大学学报, 2012,46(8):33-36. DOI：

An Efficient Attribute-Based Encryption Algorithm for Ad Hoc Networks[J]. 2012, 46(8): 33-36. DOI：

摘要

针对在无线自组织(ad hoc)网络中难以高效地加密和传输敏感消息的问题

提出了一种基于属性的无线自组织网络加密算法.该算法的阈值访问策略使得只有属性超过一定阈值的用户才能够解密消息

从而实现了群组加密; 利用离散傅里叶变换分割密钥

使得密钥的分享值可以通过公开信道发布给用户; 利用离散傅里叶逆变换还原密钥

使得解密过程具有一定的容错性且降低了解密的时间复杂度.实验结果表明

该算法不仅能有效降低无线自组织网络节点的能耗

而且使用该算法传输消息时延很小

适合在无线自组织网络中使用.

Abstract

An efficient attribute-based encryption algorithm is proposed to solve the problem that it is inefficient to encrypt and transmit sensitive message in ad hoc networks. The use of the access control policy that only allows users with the attributes above one threshold to decrypt message results in group decryption. The discrete Fourier transform is used to share secret key

such that the shares of the secret key are issued to users over open channel; Users use the inverse discrete Fourier transform to recover the secret key

such that decryption has a fault tolerance and the time complexity of decryption is reduced. Experimental results show that the proposed algorithm not only reduces the energy consumption of the node in ad hoc networks

but also has an ignorable delay in transmitting message

thus it is suitable for application to ad hoc networks.

关键词

Keywords

references

SHAMIR A. Identity-based cryptosystems and signature schemes[C]∥Proceedings of the 4th Annual International Cryptology Conference on Advances in Cryptology. Berlin, Germany: Springer-Verlag, 1985: 47-53.

SAHAI A, WATERS B R. Fuzzy identity-based encryption [C]∥Proceedings of the 24th Annual International Conference on the Theory and Applications of Cryptographic Techniques. Berlin, Germany: Springer, 2005: 457-471.

GOYAL V, PANDEY O, SAHAI A, et al. Attribute-based encryption for fine-grained access control of encrypted data[C]∥Proceedings of the 13th ACM Conference on Computer and Communications Security. New York, NY, USA: ACM, 2006: 89-98.

唐强, 姬东耀.多授权中心可验证的基于属性的加密方案[J]. 武汉大学学报, 2008, 54(5): 607-610.

TANG Qiang, JI Dongyao. Multi-authority verifiable attribute-based encryption[J]. Journal of Wuhan University, 2008, 54(5): 607-610.

CHEUNG L, NEWPORT C. Provably secure ciphertext policy ABE [C]∥Proceedings of the 14th ACM Conference on Computer and Communications Security. New York, NY, USA: ACM, 2007: 456-465.

CHASE M. Multi-authority attribute based encryption [C]∥Proceedings of the 4th Conference on Theory of Cryptography. Berlin, Germany: Springer-Verlag, 2007: 515-534.

CHASE M, CHOW S S M. Improving privacy and security in multi-authority attribute-based encryption [C]∥Proceedings of the 16th ACM Conference on Computer and Communications Security. New York, NY, USA: ACM, 2009: 121-130.

MACKER J, LEE R. The NRL OLSR routing protocol implementation [EB/OL].(2007-01-08)[2012-11-08]. http:∥cs.itd.nrl.navy.mil/work/olsr/.

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