research
∙
06/16/2022
Adaptive versus Static Multi-oracle Algorithms, and Quantum Security of a Split-key PRF
In the first part of the paper, we show a generic compiler that transfor...
share
research
∙
02/28/2022
Efficient NIZKs and Signatures from Commit-and-Open Protocols in the QROM
Commit-and-open Sigma-protocols are a popular class of protocols for con...
research
∙
03/04/2021
Online-Extractability in the Quantum Random-Oracle Model
We show the following generic result. Whenever a quantum query algorithm...
research
∙
03/11/2020
The Measure-and-Reprogram Technique 2.0: Multi-Round Fiat-Shamir and More
We revisit recent works by Don, Fehr, Majenz and Schaffner and by Liu an...
research
∙
02/20/2019
