| 摘要 |
Election automation systems are disclosed that allow plural entities, for example trustees (10a, b, c), to ensure various properties of an election, including correctness of the outcome, by initially using confidential information to form printed ballots (11) and transferring the ballots to voters (13). Later when voters (13) electronically cast ballots, such as over networks, they use the confidential information and optionally physical ballot structures to authenticate information provided them, including information indicating whether their votes were received by the trustees (10). Voters can also use the information in ballots (11) to ensure the secrecy of their vote while it is transmitted to trustees (10). The trustee (10) can tabulate results while preventing colluding subsets of trustees from being able to improperly modify the outcome of the election or violate the privacy of individual voters (13). Some embodiments secure printing from remote locations, authenticate users in distributed systems, authenticate data to users in distributed systems, and address problems with conventional voter registration and absentee ballots.
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