LI Jing,LI Yongzhen*.Improvement of the AES encryption algorithm and its application in CCMP protocol[J].Journal of Yanbian University,2015,41(03):244-248.
AES改进算法在CCMP协议中的应用
- Title:
- Improvement of the AES encryption algorithm and its application in CCMP protocol
- Keywords:
- IEEE 802.11i; AES; CCMP protocol; wheel transformation; improved AES algorithm
- 分类号:
- TP393.1
- 文献标志码:
- A
- 摘要:
- AES针对IEEE 802.11i中CCMP所采用的高级加密标准AES算法的实现较为复杂且对硬件要求较高的情况,对AES算法进行了优化改进.首先对列变换进行了优化,并基于系数的正交化统一了算法加解密过程的运算; 然后对轮变换过程进行了简化,并将优化后的列变换系数应用于其中进一步简化了轮变换过程.将本文的改进算法与原AES算法和S -AES算法进行对比表明,本文算法在不降低算法本身安全性的前提下,减小了其实现代价,提高了算法的效率.
- Abstract:
- In view of the Advanced Encryption Standard(AES)algorithm is hard to realize in the CCMP of IEEE 802.11i because of its higher hardware requirements, based on this problem author optimize and improve the algorithm. Firstly, optimize the column transformation and unify the computation process of encryption and decryption base on the orthogonal of coefficient. Then to simplify the wheel transformation process, and apply optimized coefficient of column transformation in it to simplifying the process of wheel transformation. Finally, this paper algorithm compare with AES and S-AES shows that this algorithm reduce the cost of algorithm without reduce security, improved the efficiency of the algorithm.
参考文献/References:
[1] 朱敏.无线局域网安全协议IEEE 802.11i的分析与研究[D].苏州:苏州大学,2005:1-4.
[2] IEEE 802.11 Working Group. IEEE Standard for Information Technology-Telecommunications and Information Exchange between Systems-Local and Metropolitan Area Networks-Specific Requirements-Part 11:Wireless LAN Medium Access Control(MAC)and Physical Layer(PHY)Specifications Amendment 6: Wireless Access in Vehicular Environments[S]. IEEE Std, 2010: Part 11.
[3] 刘景美.现代密码算法分析与研究[D].西安:西安电子科技大学,2006:15-27.
[4] 任伟.无线网络安全[M].北京:电子工业出版社,2011:11-30.
[5] 邓达.无线局域网安全性问题研究与改进[D].成都:电子科技大学,2007:50-56.
[6] William S.密码编码学与网络安全[M].王张宜,杨敏,杜瑞颖译.5版.北京:电子工业出版社,2012:104-117.
[7] 贾旭.AES算法的安全性分析及其优化改进[D].长春:吉林大学,2010:30-39.
[8] 周李京.基于有限域上正交矩阵构造最佳扩散层[D].西安:西安电子科技大学,2012:19-27.
[9] Mohammad A Musaa, Edward F Schaefer. A simplified AES algorithm and its linear and differential cryptanalyses[J]. Taylor & Francis, 2010,27(2):148-177.
备注/Memo
收稿日期: 2015-07-13*通信作者: 李永珍(1971—),男,博士,副教授,研究方向为网络安全、无线网络协议.