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An improved identity-based society oriented signature scheme with anonymous signers

✍ Scribed by Chunming Tang

Book ID
107531107
Publisher
Wuhan University
Year
2007
Tongue
English
Weight
284 KB
Volume
12
Category
Article
ISSN
1007-1202

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An identity-based society oriented signa
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In this paper, we propose a new society oriented scheme, based on the Guillou-Quisquater signature scheme. The scheme is identity-based and the signatures are verified with respect to only one identity. That is, the verifier does not have to know the identity of the co-signers, but just that of the

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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

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Recently, Kang et al. proposed a new identity-based strong designated verifier signature scheme (ID-SDVS) and identity-based designated verifier proxy signature scheme (ID-DVPS). They claimed that their schemes are unforgeable. However, we found out that their schemes are universally forgeable in th