Secure Multi-Party Traversal Queries over Federated Graph Databases

Nouf Aljuaid; Nouf Aljuaid; Alexei Lisitsa; Sven Schewe

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Paper

Secure Multi-Party Traversal Queries over Federated Graph Databases

Topics: Database Security and Privacy; Privacy; Security Protocols

In Proceedings of the 21st International Conference on Security and Cryptography SECRYPT - Volume 1, 716-721, 2024 , Dijon, France

Authors: Nouf Aljuaid ^{1

;

2} ; Alexei Lisitsa ² and Sven Schewe ²

Affiliations: ¹ Department of Information Technology, Taif University, Saudi Arabia ; ² Department of Computer Science, University of Liverpool, Liverpool, U.K.

Keyword(s): Graph Databases, SMPC, Federated Databases, Secure Data Processing, Multi-Party Querying.

Abstract: We introduce and compare two protocols for the execution of secure multi-party traversal queries over federated graph databases. The first, client based protocol uses client-to-client communication; it minimises the exposure of data on a need-to-know basis. The second protocol uses a semi-trusted server; it combines the use of private channels for communication between the server and clients with the use of encrypted hashing to prevent the exposure of data to the server. We have conducted experiments to compare the efficiency of the two protocols. The results demonstrated that the execution times for the server-based protocol are around half an order of magnitude higher. This does, however, seem to be down to the security layer provided by encrypted hashing: when switching it off, the running time becomes comparable.

CC BY-NC-ND 4.0

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Paper citation in several formats:

Aljuaid, N., Lisitsa, A. and Schewe, S. (2024). Secure Multi-Party Traversal Queries over Federated Graph Databases. In Proceedings of the 21st International Conference on Security and Cryptography - SECRYPT; ISBN 978-989-758-709-2; ISSN 2184-7711, SciTePress, pages 716-721. DOI: 10.5220/0012768000003767

@conference{secrypt24,
author={Nouf Aljuaid and Alexei Lisitsa and Sven Schewe},
title={Secure Multi-Party Traversal Queries over Federated Graph Databases},
booktitle={Proceedings of the 21st International Conference on Security and Cryptography - SECRYPT},
year={2024},
pages={716-721},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0012768000003767},
isbn={978-989-758-709-2},
issn={2184-7711},
}

TY - CONF

JO - Proceedings of the 21st International Conference on Security and Cryptography - SECRYPT
TI - Secure Multi-Party Traversal Queries over Federated Graph Databases
SN - 978-989-758-709-2
IS - 2184-7711
AU - Aljuaid, N.
AU - Lisitsa, A.
AU - Schewe, S.
PY - 2024
SP - 716
EP - 721
DO - 10.5220/0012768000003767
PB - SciTePress