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Towards Instantiating the Algebraic Group Model
Public-key cryptography algebraic group model generic group model
2019/9/16
The Generic Group Model (GGM) is one of the most important tools for analyzing the hardness of a cryptographic problem. Although a proof in the GGM provides a certain degree of confidence in the probl...
Blind Schnorr Signatures in the Algebraic Group Model
Schnorr signatures blind signatures algebraic group model
2019/8/2
We study the security of schemes related to Schnorr signatures in the algebraic group model (AGM) proposed by Fuchsbauer, Kiltz, and Loss (CRYPTO 2018), where the adversary can only compute new group ...
Fuchsbauer, Kiltz, and Loss~(Crypto'18) gave a simple and clean definition of an ￥emph{algebraic group model~(AGM)} that lies in between the standard model and the generic group model~(GGM). Specifica...
One of the most important tools for assessing hardness assumptions in cryptography is the Generic Group Model (GGM). Over the past two decades, several such assumptions have been analyzed within this ...