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Paper 2004/262
Universal Forgeability of a Forward-Secure Blind Signature Scheme Proposed by Duc et al.
Lihua Liu and Zhengjun Cao
Abstract
Duc et al. proposed a forward-secure blind signature scheme in [1]. They claimed that the scheme is constructed from the provably secure Okamoto-Guilou-Quisquater blind signature scheme. But we recently found that their scheme is insecure. In the paper, we show the scheme is universally forgeable by a simple and direct attack.
Metadata
- Available format(s)
- PDF PS
- Category
- Cryptographic protocols
- Publication info
- Published elsewhere. Unknown where it was published
- Keywords
- Blind signatureUniversal forgeability.
- Contact author(s)
- zjcamss @ hotmail com
- History
- 2004-10-14: received
- Short URL
- https://ia.cr/2004/262
- License
-
CC BY