Cryptology ePrint Archive: Report 2005/186
Linkability of Several Blind Signature Schemes
Abstract: The unlinkability is an important security property that
blind signature schemes should satisfy. But we find that the
several blind signature schemes [1,2,3] are linkable. The
Signer can derive a link between a protocol view and a valid blind
signature. They are not secure.
Category / Keywords: cryptographic protocols / blind signature, anonymity, protocol view, linkability.
Date: received 21 Jun 2005, withdrawn 19 Jul 2005
Contact author: zhongxsh at 163 com
Available format(s): (-- withdrawn --)
Version: 20050719:123736 (All versions of this report)
Discussion forum: Show discussion | Start new discussion
[ Cryptology ePrint archive ]