Abstract
The private key of electronic elections is a very critical piece of information that, with an incorrect or improper use, may disrupt the elections results. To enforce the privacy and security of the private key, secret sharing schemes (or threshold schemes) are used to generate a distributed key into several entities. In this fashion, a threshold of at least t out of the n entities will be necessary to decrypt votes. We study in this work the feasibility of developing ElGamal cryptosystem and Shamir’s secret sharing scheme into JavaCards, whose API gives no support for it.
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Pujol-Ahulló, J., Jardí-Cedó, R., Castellà-Roca, J., Farràs, O. (2012). TTP SmartCard-Based ElGamal Cryptosystem Using Threshold Scheme for Electronic Elections. In: Garcia-Alfaro, J., Lafourcade, P. (eds) Foundations and Practice of Security. FPS 2011. Lecture Notes in Computer Science, vol 6888. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-27901-0_2
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