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Research of software Complexity Metrics with Security Indicator

Journal of Donghua University(English Edition) 2011年第5期28卷 460-464页

作者：付剑晶王珂 Institute of Remote Sensing and Information System Zhejiang University School of Information Technology Zhejiang University of Finances and Economics

software protection technology has been universally emphasized, with the development of reverse engineering and static analysis techniques. So, it is important to research how to quantitatively evaluate the security of the protected software. However, there are some researchers evaluating the security of the proposed protect techniques directly by the traditional complexity metrics, which is not suffident. In order to better reflect security from software complexity, a multi-factor complexity metric based on control flow graph （CFG） is proposed, and the corresponding calculating procedures are presented in detail. Moreover, complexity density models are constructed to indicate the strength of software resisting reverse engineering and code analysis. Instance analysis shows that the proposed method is simple and practical, and can more objectively reflect software security from the perspective of the complexity.

关键词： complexity metric software protection complexity density control flow graph

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维普期刊数据库

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Efficient Broadcast Encryption Scheme Based on Number Theory Research Unit

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Wuhan University Journal of Natural Sciences 2010年第3期15卷 247-250页

作者： ZHANG Weidong LU Xixiang LI Hui State Key Laboratory of Integrated Service Networks Xidian University Xi'an 710071 Shaanxi China

In this paper, a new broadcast encryption scheme is proposed by using the efficient and computationally inexpensive public key cryptosystem NTRU （number theory research unit）. In our scheme, we use the idea of RSA and develop this idea from two-party to multi-party, and combine this multi-party public key idea with the multiplication in ring R of NTRU. What we get from this design is extremely efficient encryption and decryption, fast and easy key creation, low memory requirements and revocation property, etc. Moreover, this novel work contains other desirable features, such as traitor tracing. With its complexity only O（log2n）, the tracing algorithm of this system is more efficient than that of the previous ones.

关键词： broadcast encryption traitor tracing software protection information security

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维普期刊数据库

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SeSoa： Security Enhancement System with Online Authentication for Android APK

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ZTE Communications 2016年第B6期14卷 44-50页

作者： DONG Zhenjiang WANG Wei LI Hui ZHANG Yateng ZHANG Hongrui ZHAO Hanyu Cloud Computing and IT Research Institute ZTE Corporation Nanjing 210012 China Beijing University of Posts and Telecommunications Beijing 100876 China

Android OS provides such security mechanisms as application signature, privilege limit and sandbox to protect the security of operational system. However, these methods are unable to protect the applications of Android against anti-reverse engineering and the codes of such applications face the risk of being obtained or modified, which are always the first step for further attacks. In this paper, a security enhancement system with online authentication （SeSoa） for Android APK is proposed, in which the code of Android application package （APK） can be automatically encrypted. The encrypted code is loaded and run in the Android system after being successfully decrypted. Compared with the exiting software protecting systems, SeSoa uses online authentication mechanism to ensure the improvementof the APK security and good balance between security and usability.

关键词： software protection anti-reverse Android authentication

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维普期刊数据库

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软件保护技术

软件保护技术

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2006年全国理论计算机科学学术年会

作者：朱建启刘衍珩汤岩田奇吉林大学计算机科学与技术学院吉林大学计算机科学与技术学院吉林大学计算机科学与技术学院吉林大学计算机科学与技术学院

＜正＞1 引言软件保护是多项技术的综合,通过对软件实施相应的保护措施,防止入侵者通过反向工程、篡改、反编译等技术来盗用软件、敏感数据及软件版权等。在软件产业的发展过程中,软件保护技术起着日益

关键词： software protection Obfuscation software watermarking copyright management

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