Cryptanalysis of βan identity-based soci
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Zuhua Shao
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Article
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2003
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Elsevier Science
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English
β 63 KB
In this paper, we show that the identity-based society oriented signature scheme with anonymous signers proposed by Saeednia is insecure. If some members of a given group leave that group or if some new members join the group, their secret keys would be revealed. We also propose a simple way to fulf