We develop a general approach to adding a threshold functionality to a large class of (non-
threshold) cryptographic schemes. A threshold functionality enables a secret key to be split …

Although they have been studied for a long time, distributed signature protocols have
garnered renewed interest in recent years in view of novel applications to topics like …

As we move into a new decade, the global world of Intelligent Infrastructure (II) services
integrated into the Internet of Things (IoT) are at the forefront of technological advancements …

In this paper, we construct a Lattice-based one-time Linkable Ring Signature (L2RS)
scheme, which enables the public to verify if two or more signatures were generated by …

We present a generic forgery attack on signature schemes constructed from 5-round
identification schemes made non-interactive with the Fiat-Shamir transform. The attack …

As the most popular cryptographic scheme in the post-quantum field, lattices have received
extensive attention and research. Not only do they provide quantum-resistant security, they …

Linkable ring signatures have found many attractive applications. One of the recent
important extensions is a linkable threshold ring signature (LTRS) scheme. Unfortunately …

We develop secure threshold protocols for two important operations in lattice cryptography,
namely, generating a hard lattice Λ together with a “strong” trapdoor, and sampling from a …

At CRYPTO 2011, Sakumoto et al. introduced the first 3-pass identification protocol with
security reduction to the MQ problem and impersonation probability 2 3. Petzoldt et …

Hyperledger Fabric is a permissioned flavor of blockchain which offers various privacy
features to its users. It stands out from other permissioned framework by allowing only a …