[digest] 2025 Week 3 (3/3)
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All on Mon Jan 20 03:23:59 2025
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Abstract. CHVote is one of the two main electronic voting systems developed in the context of political elections in Switzerland, where the regulation requires a specific setting and specific trust assumptions. We show that actually, CHVote fails to
achieve vote secrecy and individual verifiability (here, recorded-as-intended), as soon as one of the online components is dishonest, contradicting the security claims of CHVote. In total, we found 9 attacks or variants against CHVote, 2 of them being
based on a bug in the reference implementation. We confirmed our findings through a proof-of-concept implementation of our attacks.
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