NIZK

Strongly simulation-extractable leakage-resilient NIZK This paper defines strongly simulation-extractable leakage-resiliency (sSE-LR), which is a new notion for NIZK proof system. Our definition extends the weaker notion called true simulation-extractable leakage-resiliency (tSE-LR) defined by Garg, Jain, and Sahai in CRYPTO 2011. Moreover, improving the construction of tSE-LR-NIZK proof system by Garg et al., we construct an NIZK scheme that satisfies sSE-LR. An sSE-LR-NIZK proof system is applicable to construct a fully leakage resilient signature scheme which is strongly existentially unforgeable. As far as we know, this is the first fully leakage resilient signature scheme that is strongly existentially unforgeable.

References in zbMATH (referenced in 1 article , 1 standard article )

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  1. Wang, Yuyu; Tanaka, Keisuke: Strongly simulation-extractable leakage-resilient NIZK (2014)