Security Analysis of a Large-Scale Voting Scheme

S. Eskeland (Norway)


Electronic voting, blind signatures, security attack.


Yun and Lee proposed recently a voting scheme for large scale elections that are based on pseudonymity and blind signatures. In this paper, we show that their voting scheme is insecure because it is possible to compute an arbitrary number of forged signed ballots without being detected. We also propose a small modifcation that thwarts the at tack.

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