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We propose a definition of ballot secrecy in the computational
model of cryptography. The definition builds upon and strengthens
earlier definitions by Bernhard et al. (ASIACRYPT’12, ESORICS’11
& E...
We study ballot independence for election schemes:
* We formally define ballot independence as a cryptographic game and prove that ballot secrecy implies ballot independence.
* We introduce a notion...
Does Helios ensure ballot secrecy?
attack ballot secrecy electronic voting privacy vulnerability
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2010/12/9
Helios is an open-source web-based end-to-end verifiable electronic voting system, suitable for use in low-coercion environments. In this paper, we analyse ballot secrecy and discover a vulnerability ...