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Decentralized Multi-authority Anonymous Authentication for Global Identities with Non-interactive Proofs
anonymous authentication attribute collusion attack
2019/6/14
We propose a decentralized multi-authority anonymous authentication scheme in which a prover and a verifier are non-interactive. We give two security definitions; resistance against collusion attacks ...
Blockchain protocols such as bitcoin provide decentralized consensus mechanisms based on proof-of-work (PoW). In this work we introduce and instantiate a new primitive for blockchain protocols called ...
Additive Proofs of Knowledge - A New Notion For Non-Interactive Proofs
Additive Proofs of Knowledge New Notion Non-Interactive Proofs
2009/3/10
In this paper, we study the opacity property of verifiably encrypted signatures (VES) of Boneh
et al. (proposed in Eurocrypt 2003). Informally, opacity implies that although some given aggregate sign...
We present two universally composable and practical protocols
by which a dealer can, verifiably and non-interactively, secret-share
an integer among a set of players. Moreover, at small extra cost ...