作者: Manik Lal Das , Ashutosh Saxena , Atul Negi , Thulasi Goriparthi
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摘要: Recently Manik et al. [13] proposed a novel remote user authentication scheme using bilinear pairings. Chou [14] identified weakness in al.’s and made an improvement. In this paper, we show that both schemes are insecure against forgery attack replay attack.