收稿日期: 2012-01-11
修回日期: 2012-04-16
网络出版日期: 2012-04-16
基金资助
国家自然科学基金(61003273)和信息安全国家重点实验室自主研究课题(2010-13)资助
Android SMS encryption scheme based on dynamic key
Received date: 2012-01-11
Revised date: 2012-04-16
Online published: 2012-04-16
李昭 , 王跃武 , 雷灵光 , 张中文 . 基于动态密钥的Android短信加密方案[J]. 中国科学院大学学报, 2013 , 30(2) : 272 -277 . DOI: 10.7523/j.issn.1002-1175.2013.02.020
Asynchrony of short messages(SMS) brings inconvenience to the key distribution. We propose an SMS encryption system based on the dynamic key. The dynamic encryption key increases difficulty in cryptanalysis. The dynamic authentication key resists the replay attack. The scheme uses only hash function and symmetric encryption which are more suitable to the resource-limited mobile system. Experimental results on Android platform show good realization performance of the scheme.
Key words： SMS encryption; dynamic key; key distribution; Android platform
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