In a designated verifier proxy signature scheme, one can delegate his or her signing capability to another user in such a way that the latter can sign messages on behalf of the former, but the validity of the resulting signatures can only be verified by the designated verifier. Several designated ve
An identity-based strong designated verifier proxy signature scheme
โ Scribed by Wang Qin; Cao Zhenfu
- Publisher
- Wuhan University
- Year
- 2006
- Tongue
- English
- Weight
- 267 KB
- Volume
- 11
- Category
- Article
- ISSN
- 1007-1202
No coin nor oath required. For personal study only.
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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
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