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Secure Certificateless Authentication and Road Message Dissemination Protocol in VANETs
Tan, Haowen,Choi, Dongmin,Kim, Pankoo,Pan, Sungbum,Chung, Ilyong WILEY INTERSCIENCE 2018 WIRELESS COMMUNICATIONS AND MOBILE COMPUTING Vol.2018 No.-
<P>As a crucial component of Internet-of-Thing (IoT), vehicular ad hoc networks (VANETs) have attracted increasing attentions from both academia and industry fields in recent years. With the extensive VANETs deployment in transportation systems of more and more countries, drivers’ driving experience can be drastically improved. In this case, the real-time road information needs to be disseminated to the correlated vehicles. However, due to inherent wireless communicating characteristics of VANETs, authentication and group key management strategies are indispensable for security assurance. Furthermore, effective road message dissemination mechanism is of significance. In this paper, we address the above problems by developing a certificateless authentication and road message dissemination protocol. In our design, certificateless signature and the relevant feedback mechanism are adopted for authentication and group key distribution. Subsequently, message evaluating and ranking strategy is introduced. Security analysis shows that our protocol achieves desirable security properties. Additionally, performance analysis demonstrates that the proposed protocol is efficient compared with the state of the art.</P>
Cha, ByungRae,Kim, JongWon,Moon, HaeMin,Pan, SungBum SpringerOpen 2017 Eurasip Journal on Wireless Communications and Net Vol.2017 No.-
<P>The cloud-computing paradigm has been driving the cloud-leveraged refactoring of existing information and communications technology services, including voice over IP (VoIP). In this paper, we design a prototype secure mobile VoIP (mVoIP) service with the open-source Asterisk private branch exchange (PBX) software, using Docker lightweight virtualization for mobile devices with the immutable concept of continuous integration and continuous deployment (CI/CD). In addition, the secure mVoIP service provides protection against eavesdropping and denial-of-service (DoS) attacks, using secure voice coding and real-time migration. We also experimentally verify the quality of the secure voice and the associated communication delay over a distributed global connectivity environment to protect against eavesdropping and real-time migration to mitigate DoS attacks.</P>
Secure and Energy-Efficient Transmissions of Fingerprint Images
Sungju Lee,Seungwoo Hong,Hakjea Kim,Yongwha Chung,Sungbum Pan 대한전자공학회 2010 ICEIC:International Conference on Electronics, Inf Vol.1 No.1
In order to provide remote user authentication services with handheld devices equipped with fingerprint sensors, both energy efficiency and confidentiality/privacy requirements should be satisfied. However, nothing is known about the collective performance of fingerprint verification and secure transmission protocol in remote applications. In this paper, we consider the possible scenarios of an application to securely transmit fingerprint images from a handheld device to a server. It uses both encryption and watermarking and ensures efficiency using compression standards(i.e., WSQ and JPEG2000). Based on the evaluation, the compression scenario using WSQcan reduce the total energy consumption of the no-compression scenario by 33% without significant degradation of the fingerprint recognition rate or watermarking detection rate.