Welcome to the resource topic for 2008/378
Title:
Additively Homomorphic Encryption with d-Operand Multiplications
Authors: Carlos Aguilar Melchor, Philippe Gaborit, Javier Herranz
Abstract:The search for encryption schemes that allow to evaluate functions (or circuits) over encrypted data has attracted a lot of attention since the seminal work on this subject by Rivest, Adleman and Dertouzos in 1978. In this work we define a theoretical object, chained encryption schemes, which allow an efficient evaluation of polynomials of degree d over encrypted data. Chained encryption schemes are generically constructed by concatenating cryptosystems with the appropriate homomorphic properties; such schemes are common in lattice-based cryptography. As a particular instantiation we propose a chained encryption scheme whose IND-CPA security is based on a worst-case/average-case reduction from uSVP.
ePrint: https://eprint.iacr.org/2008/378
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