Privacy-Preserving Computing via Homomorphic Encryption: Performance, Security, and Application Analysis

Noshaba Naeem, Fawad Khan, Tahreem Yaqoob, Shahzaib Tahir

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

1 Citation (Scopus)

Abstract

In the era of IoT and big data, an enormous amount of data being generated by various sensors and handheld devices and for sectors not limited to healthcare, commerce, smart driving, smart grids, and fintech requires privacy and security. Although security can be ensured once the data is in transit or at rest, for certain application domains need to ensure privacy computations over encrypted data. Homomorphic encryption (HE) is one mechanism that allows parties to compute any arbitrary functions in an encrypted domain. Homomorphic encryption schemes have been employed in various applied sectors for privacy preservation; however, the limiting factor of these schemes is the computational and communication overhead and associated security. This chapter reviews the types of HE schemes, the application domains, and the associated costs for privacy preserving computing and discusses the underlying mathematical hardness problems, security in the classical and post quantum era, and challenges and recommendations for tradeoff in applied domains.
Original languageEnglish
Title of host publicationHandbook of Research on Cybersecurity Issues and Challenges for Business and FinTech Applications
EditorsSaqib Saeed, Abdullah M. Almuhaideb, Neeraj Kumar, Noor Zaman , Yousaf Bin Zikria
PublisherIGI Global
Chapter15
Pages288-313
Number of pages26
ISBN (Electronic)9781668452868
ISBN (Print)9781668452844, 9781668452868
DOIs
Publication statusPublished - 21 Oct 2022
Externally publishedYes

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