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http://dx.doi.org/10.6109/jkiice.2012.16.10.2207

Implementation of fast stream cipher AA128 suitable for real time processing applications  

Kim, Gil-Ho (부경대학교)
Cho, Gyeong-Yeon (부경대학교)
Rhee, Kyung Hyune (부경대학교)
Shin, Sang Uk (부경대학교)
Publication Information
Journal of the Korea Institute of Information and Communication Engineering / v.16, no.10, 2012 , pp. 2207-2216 More about this Journal
Abstract
Recently, wireless Internet environment with mobile phones and wireless sensor networks with severe resource restrictions have been actively studied. Moreover, an overall security issues are essential to build a reliable and secure sensor network. One of secure solution is to develop a fast cryptographic algorithm for data encryption. Therefore, we propose a 128-bit stream cipher, AA128 which has efficient implementation of software and hardware and is suitable for real-time applications such as wireless Internet environment with mobile phones, wireless sensor networks and Digital Right Management (DRM). AA128 is stream cipher which consists of 278-bit ASR and non-linear transformation. Non-linear transformation consists of Confusion Function, Nonlinear transformation(SF0 ~ SF3) and Whitening. We show that the proposed stream cipher AA128 is faster than AES and Salsa20, and it satisfies the appropriate security requirements. Our hardware simulation result indicates that the proposed cipher algorithm can satisfy the speed requirements of real-time processing applications.
Keywords
Stream Cipher; LFSR; ASR; Salsa20; DRM; wireless sensor network;
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Times Cited By KSCI : 1  (Citation Analysis)
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