Andrej Tolič (2011) CRYPTOGRAPHY OF E-VOTING. EngD thesis.
The diploma thesis deals with cryptographic building blocks and schemes that enable us to implement secure e-voting. It is desirable for an e-vote to remain secret, but at the same time we would like the possibility for a third party to verify various levels of correctness of execution. Cryptography provides us the necessary tools to simultaneously realize these two seemingly conflicting requirements. Public-key cryptosystems, secret sharing schemes, zero-knowledge proofs and mixnets are particularly important among aforementioned tools. These building blocks are presented and studied in the context of e-voting. In the thesis we also describe two schemes for cryptographic e-voting. The first one is a paper-based scheme, and the second is an open source system for internet voting, Helios.
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