Cryptanalysis of group-oriented (t, n) threshold digital signature schemes with traceable signers
β Scribed by Tzong-Sun Wu; Chien-Lung Hsu
- Book ID
- 113557893
- Publisher
- Elsevier Science
- Year
- 2004
- Tongue
- English
- Weight
- 121 KB
- Volume
- 26
- Category
- Article
- ISSN
- 0920-5489
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attack on the group-oriented (t, n) threshold signature schemes proposed by Wang et al. Our attack is more fundamental than Tseng-Jan's attack in the sense that it cannot be recognized or blocked at the designated clerk level of the signature schemes.
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