Abstract
Elliptic curve cryptosystem (ECC) becomes the dominating cryptosystem for asymmetric encryption technology applied in e-commerce, information management and office automation systems. ECC is broadly applied to authentication, certification, key distribution and message encryption in recent years. The efficiency of multiplication algorithm is the main impact factors of computation cost for an application system. Combining NAF (non-adjacent form) and variable-length sliding window, an improved variable window mechanism method is presented to scale down the computation complexity of the multiplication of ECC in this paper. Integrated with the improved ECC multiplication algorithm, an electronic transaction scheme is proposed, which includes protocols about opening account, e-cash withdrawal and payment. The proposed scheme ensures security demands, such as non-forgeability of e-cash and avoidance of double spending. Furthermore, both theoretical analysis and test result show that computation efficiency of encryption based on ECC improves well.
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Xu, S., Xu, B., Guo, P., Li, C. (2012). Electronic Transaction Scheme Based on Fast ECC Multiplication. In: Liu, C., Wang, L., Yang, A. (eds) Information Computing and Applications. ICICA 2012. Communications in Computer and Information Science, vol 307. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-34038-3_60
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DOI: https://doi.org/10.1007/978-3-642-34038-3_60
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-34037-6
Online ISBN: 978-3-642-34038-3
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