arXiv subjects

Florian Moser

Publications and source records attributed to Florian Moser.

3 recordsLinked to original sources

arXiv2026

MultiBallot: Verifiable and privacy-preserving E-Collecting in the Swiss setting

As part of the political process, citizens may participate in signature collections to influence policy changes. In Switzerland, this even results in legally binding acts, similar to an election system. In this work, we first derive a realistic setting for e-collecting in Switzerland, based on the setting established for e-voting. Then, we propose a secure protocol in this setting, achieving both privacy and verifiability under realistic trust assumptions. Notably, participation privacy is guaranteed without assuming an anonymous channel, by considering the fact that at any given point in time, many collections are active in parallel.

cs.CR↗

arXiv2023

Short Voting Codes For Practical Code Voting

To preserve voter secrecy on untrusted voter devices we propose to use short voting codes. This ensures voting codes remain practical even if the voter is able to select multiple voting choices. We embed the mechanism in a protocol that avoids complex cryptography in both the setup and the voting phase and relies only on standard cryptographic primitives. Trusting the setup, and one out of multiple server components, the protocol provides vote secrecy, cast-as-intended, recorded-as-cast, tallied-as-recorded, eligibility and universal verifiability.

cs.CR↗

arXiv2018

Overcoming dispersive spreading of quantum wave packets via periodic nonlinear kicking

We propose the suppression of dispersive spreading of wave packets governed by the free-space Schrödinger equation with a periodically pulsed nonlinear term. Using asymptotic analysis, we construct stroboscopically-dispersionless quantum states that are physically reminiscent of, but mathematically different from, the well-known one-soliton solutions of the nonlinear Schrödinger equation with a constant (time-independent) nonlinearity. Our analytics are strongly supported by full numerical simulations. The predicted dispersionless wave packets can move with arbitrary velocity and can be realized in experiments involving ultracold atomic gases with temporally controlled interactions.

quant-ph↗