In this paper, we present two failures in the blind signatures based voting system Votopia [2] which has been tested during the last World Soccer Cup. We then propose a fix which r...
For the two last decades, electronic authentication has been an important topic. The first applications were digital signatures to mimic handwritten signatures for digital document...
Voter anonymity, also known as unlinkability, is the primary requirement to satisfy privacy in e-voting protocols. Up until now, e-voting protocols have tried to make communicatio...
Undeniable signature has been extensively researched after Chaum and Antwerpen first proposed the concept of this special digital signature ten years ago. Up to now, however, almo...
Multivariate Cryptography is one of the alternatives to guarantee the security of communication in the post-quantum world. One major drawback of such schemes is the huge size of th...
Albrecht Petzoldt, Stanislav Bulygin, Johannes Buc...