Cryptology ePrint Archive: Report 2022/012

Security of Identity-based Encryption Schemes from Quadratic Residues

Ferucio Laurentiu Tiplea and Sorin Iftene and George Teseleanu and Anca-Maria Nica

Abstract: The aim of this paper is to provide an overview on the newest results regarding the security of identity-based encryption schemes from quadratic residuosity. It is shown that the only secure schemes are the Cocks and Boneh-Gentry-Hamburg schemes (except of anonymous variations of them).

Category / Keywords: public-key cryptography / Identity based cryptography

Original Publication (in the same form): SECITC 2016

Date: received 4 Jan 2022, last revised 15 Mar 2022

Contact author: george teseleanu at yahoo com

Available format(s): PDF | BibTeX Citation

Version: 20220315:094451 (All versions of this report)

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