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An identity-based society oriented signature scheme with anonymous signers

✍ Scribed by Shahrokh Saeednia

Publisher
Elsevier Science
Year
2002
Tongue
English
Weight
55 KB
Volume
83
Category
Article
ISSN
0020-0190

No coin nor oath required. For personal study only.

✦ Synopsis

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 organization they represent.

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✍ Zuhua Shao 📂 Article 📅 2003 🏛 Elsevier Science 🌐 English ⚖ 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