Voting with mixnets based on permutation networks. An implementation based on the papers:

1. Jakobsson Markus and Juels Ari. Millimix: Mixing in small batches. Technical report, 1999. Availabe online at https://pdfs.semanticscholar.org/6843/3c49fc2273a698dffa5eecf023e8b522b5c8.pdf

2. ABE Masayuki. Mix-networks on permutation networks. In ASIACRYPT’99, page 258. Springer. Availabe online at https://www.researchgate.net/publication/226980802_Mix-Networks_on_Permutation_Networks

Part of my MSc Thesis.