Homomorphic encryptions of sums of groups

Authors:
Akihiro Yamamura
Affiliations:
National Institute of Information and Communications Technology, Koganei, Tokyo, Japan
Venue:
AAECC'07 Proceedings of the 17th international conference on Applied algebra, algebraic algorithms and error-correcting codes
Year:
2007

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Abstract

We examine the mechanism of homomorphic encryptions based on the subgroup membership problem. Using the mechanism, we construct a homomorphic encryption of a direct sum of groups.