[Resource Topic] 2019/1261: On Round-By-Round Soundness and State Restoration Attacks

Resource Cryptographic protocols
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Welcome to the resource topic for 2019/1261

Title:
On Round-By-Round Soundness and State Restoration Attacks

Authors: Justin Holmgren

Abstract:

We show that the recently introduced notion of round-by-round soundness for interactive proofs (Canetti et al.; STOC 2019) is equivalent to the notion of soundness against state restoration attacks (Ben-Sasson, Chiesa, and Spooner; TCC 2016). We also observe that neither notion is implied by the random-oracle security of the Fiat-Shamir transform.

ePrint: https://eprint.iacr.org/2019/1261

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