Abstract
It is difficult to ensure secure transmissions in wireless networks because of the openness of radio signal. In this paper, a fountain-coding aided symmetrical encryption scheme is proposed to deal with this problem. In the proposed scheme, all source packets are first encrypted with a secret key. Then, all encrypted source packets are encoded with fountain code and next transmitted on wireless channels. Finally, the secret key is encrypted with all the fountain-coded packets the legitimate receiver has received for sharing the secret key between the legitimate users. Due to the independent fading characteristic between the legitimate channel and the wiretap channel, if the eavesdropper fails to correctly receive some fountain-coded packets the legitimate receiver receives, the wireless transmission can be secured under appropriate conditions. Compared with the counterparts, the proposed scheme achieves lower intercept probability of the eavesdropper with little receiver feedback burden under appropriate conditions.
The research work reported in this paper is supported by the National Natural Science Foundation of China under the Grant No. 61431011, the Key Research and Development Program of Shannxi Province under Grant No. 2017ZDXM-GY-012 and the Fundamental Research Funds for the Central Universities.
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© 2018 ICST Institute for Computer Sciences, Social Informatics and Telecommunications Engineering
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Lyu, C., Ren, P., Du, Q., Sun, L. (2018). Fountain-Coding Aided Symmetrical Encryption for Secure Wireless Transmission. In: Li, B., Shu, L., Zeng, D. (eds) Communications and Networking. ChinaCom 2017. Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, vol 236. Springer, Cham. https://doi.org/10.1007/978-3-319-78130-3_35
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DOI: https://doi.org/10.1007/978-3-319-78130-3_35
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