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Published in:
2005 | OriginalPaper | Chapter
A Short Proxy Signature Scheme: Efficient Authentication in the Ubiquitous World
Authors : Xinyi Huang, Yi Mu, Willy Susilo, Fangguo Zhang, Xiaofeng Chen
Published in: Embedded and Ubiquitous Computing – EUC 2005 Workshops
Publisher: Springer Berlin Heidelberg
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We present a cryptanalysis on the short proxy signature scheme recently proposed in [11] and propose a novel short proxy signature scheme from bilinear pairings. Compared with the existing proxy signature schemes, the signature length of our scheme is the
shortest
. Our short proxy signature scheme satisfies all the properties required for proxy signatures. We prove that our scheme is secure in the random oracle model.