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  4. Poster: Verifiable Encodings for Maliciously-Secure Homomorphic Encryption Evaluation
 
conference paper

Poster: Verifiable Encodings for Maliciously-Secure Homomorphic Encryption Evaluation

Chatel, Sylvain  
•
Knabenhans, Christian  
•
Pyrgelis, Apostolos
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January 1, 2023
Proceedings Of The 2023 Acm Sigsac Conference On Computer And Communications Security, Ccs 2023
30th ACM SIGSAC Conference on Computer and Communications Security (ACM CCS)

Homomorphic encryption has become a promising solution for protecting the privacy of computations on sensitive data. However, existing homomorphic encryption pipelines do not guarantee the correctness of the computation result in the presence of a malicious adversary. In this poster, we present two encodings compatible with state-of-the-art fully homomorphic encryption schemes that enable practical client-verification of homomorphic computations, while enabling all the operations required for modern privacy-preserving analytics. Based on these encodings, we introduce a ready-to-use library for the verification of any homomorphic operation executed over encrypted data. We demonstrate its practicality for various applications and, in particular, we show that it enables verifiability of some homomorphic analytics with less than 3x overhead compared to the homomorphic encryption baseline.

  • Details
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Type
conference paper
DOI
10.1145/3576915.3624403
Web of Science ID

WOS:001124987203036

Author(s)
Chatel, Sylvain  
Knabenhans, Christian  
Pyrgelis, Apostolos
Troncoso, Carmela  
Hubaux, Jean-Pierre  
Corporate authors
ACM
Date Issued

2023-01-01

Publisher

Assoc Computing Machinery

Publisher place

New York

Published in
Proceedings Of The 2023 Acm Sigsac Conference On Computer And Communications Security, Ccs 2023
ISBN of the book

979-8-4007-0050-7

Start page

3525

End page

3527

Subjects

Technology

•

Homomorphic Encryption

•

Malicious Adversaries

•

Verifiable Computation

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
SPRING  
Event nameEvent placeEvent date
30th ACM SIGSAC Conference on Computer and Communications Security (ACM CCS)

Copenhagen, DENMARK

NOV 26-30, 2023

Available on Infoscience
March 18, 2024
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/206296
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