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Non-Malleable Zero Knowledge: Black-Box Constructions and Definitional Relationships
foundations / Non-malleability zero knowledge commitments black-box constructions
2012/3/26
This paper deals with efficient non-malleable zero-knowledge proofs for NP, based on general assumptions. We construct a simulation-sound zero-knowledge protocol for NP, based only on the black-box us...
Enhanced Security Notions for Dedicated-Key Hash Functions:Definitions and Relationships
hash functions security notions definitions
2010/1/18
In this paper, we revisit security notions for dedicated-key hash functions, considering two essential
theoretical aspects; namely, formal definitions for security notions, and the relationships amon...
On the Relationships Between Notions of Simulation-Based Security
simulation-based security universal composability reactive simulatability
2008/11/19
Several compositional forms of simulation-based security have been proposed in the literature,
including universal composability, black-box simulatability, and variants thereof. These
relations betw...