| 一种基于Android系统的短信息移动分级安全方法 |
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| 作者姓名： | 张明庆 张灿 陈德元 张克楠 |
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| 作者单位： | 中国科学院大学电子电气与通信工程学院, 北京 100049 |
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| 基金项目： | 国家自然科学基金重点项目(61032006,61271282)和国家科技重大专项(2010ZX03002-008)资助 |
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| 摘 要： | 针对智能手机难以全面保障短信息传输的安全, 提出一种新的基于Android系统的短信息移动分级安全方法.对一般用户短信息, 使用计算复杂度较低的序列加密;对涉及商业信息安全的短信息, 使用基于RSA数字签名的序列加密;对含有用户账号密码的重要短信息, 使用基于数字签名的RSA非对称加密.仿真实验和实际应用表明, 这种移动分级安全方法, 加密的密文中的"0"和"1"接近等概率分布, 具有比特效应, 且性能稳定, 适合应用于资源受限的手机或其他移动终端.
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| 关 键 词： | 短信息 移动分级安全 Android系统 基于签名的序列加密 RSA |
| 收稿时间： | 2014-05-06 |
| 修稿时间： | 2014-05-29 |
A mobile classification security method for SMS based on Android system |
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| Authors: | ZHANG Mingqing ZHANG Can CHEN Deyuan ZHANG Kenan |
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| Institution: | School of Electronic, Electrical and Communication Engineering, University of Chinese Academy of Sciences, Beijing 100049, China |
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| Abstract: | Currently smart phones can not guarantee the comprehensive security of short message service (SMS). In this study, a mobile classification security method for SMS based on Android system is proposed. We use sequence encryption with low computational complexity to encrypt short messages of minor importance and sequence encryption based on RSA digital signature to short messages related to business information. For short messages containing account numbers or passwords, we use RSA encryption to encrypt them. The applications show that proportion of 0 or 1 in cipher text encrypted by this mobile classification security method is 0.5. This method has stable performance. The mobile classification security method is applicable to resource-constrained mobile phones and other mobile devices. |
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| Keywords: | SMS mobile classification security Android system sequence encryption based on digital signature RSA |
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