Given this scheme's algebraic structure it is interesting to systematically explore its variants and generalizations. In particular it might be useful to enhance NS with features such as semantic security, re-randomizability or an extension to higher-residues.
This paper addresses these questions and proposes several such variants.
Category / Keywords: public-key cryptography / Encryption, Security proofs, DLP Date: received 16 May 2017, last revised 16 May 2017 Contact author: david naccache at ens fr Available format(s): PDF | BibTeX Citation Version: 20170522:212241 (All versions of this report) Short URL: ia.cr/2017/421