1 research outputs found
(Linkable) Ring Signature from Hash-Then-One-Way Signature
In this paper, we revisit the generic construction of ring signatures from hash-then-one-way type () signatures proposed by Abe et al. (AOS) in 2004 and made the following contributions. First, we give a proof for the generic construction, in a strengthened security model. Previously, this was only done for concrete instantiations, in a weaker model. Second, we extend AOS\u27s framework to generically construct one-time linkable ring signatures from signatures and one-time signatures. Lastly, we instantiate the generic construction with an NTRU-based signature: Falcon~and obtain a post-quantum linkable ring signature scheme. Our analysis shows that the resulting linkable
signature is more efficient than any existing lattice based solutions for small to moderate number of users