One Digit Checksum for Data Integrity Verification of Cloud-executed Homomorphic Encryption Operations

Khaled Chait, Mostefa Kara, Abdelkader Laouid, Mohammad Hammoudeh, Ahcène Bounceur

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

4 Scopus citations

Abstract

Homomorphic encryption is used in many fields, including information storage, data protection, privacy preservation, blockchain, and authentication. This kind of encryption allows an untrusted third party to perform algebraic operations on encrypted data. Protecting the homomorphically encrypted data against accidental or malicious tampering attacks is still an open research challenge. In this paper, we introduce a lightweight technique that allows a data owner to verify the integrity of homomorphically encrypted results performed in the cloud. The proposed method is quick, simple, and applicable, as it depends on adding a single digit to the encrypted message before storing it in the cloud. This digit represents verification proof and is used later to ensure verifiable homomorphic encryption. Our technique can be integrated with any homomorphic scheme that uses encryption with non-isolated plaintext.

Original languageEnglish
Title of host publicationICFNDS 2023 - 2023 The 7th International Conference on Future Networks and Distributed Systems
PublisherAssociation for Computing Machinery
Pages71-75
Number of pages5
ISBN (Electronic)9798400709036
DOIs
StatePublished - 21 Dec 2023
Event7th International Conference on Future Networks and Distributed Systems, ICFNDS 2023 - Dubai, United Arab Emirates
Duration: 21 Dec 202322 Dec 2023

Publication series

NameACM International Conference Proceeding Series

Conference

Conference7th International Conference on Future Networks and Distributed Systems, ICFNDS 2023
Country/TerritoryUnited Arab Emirates
CityDubai
Period21/12/2322/12/23

Bibliographical note

Publisher Copyright:
© 2023 ACM.

Keywords

  • Cloud Computing
  • Data Integrity
  • Homomorphic Encryption
  • Verifiable FHE

ASJC Scopus subject areas

  • Human-Computer Interaction
  • Computer Networks and Communications
  • Computer Vision and Pattern Recognition
  • Software

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