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AuthorBasyoni L.
AuthorErbad A.
AuthorAlsabah M.
AuthorFetais N.
AuthorMohamed A.
AuthorGuizani M.
Available date2022-04-21T08:58:23Z
Publication Date2021
Publication NameIEEE Access
ResourceScopus
Identifierhttp://dx.doi.org/10.1109/ACCESS.2021.3059672
URIhttp://hdl.handle.net/10576/30075
AbstractIn the past decades, the internet has emerged as the fastest way to access information. However, this revolutionary information age comes with its own set of challenges. The privacy of Internet users is at increasing risk with the advances in surveillance techniques. Users' online behavior, activities, and even personal information are being tracked by ISPs and major tech companies. In response to the increasing need for preserving and protecting the privacy of online users, anonymity networks were developed. Tor anonymity network is a low-latency anonymity network that has gained quite a good reputation over the past years and is being adopted by thousands of users. With the great attention Tor's network is getting, the original design of Tor was proven to have performance limiting issues. With the motivation for addressing the performance limitation in Tor, we present QuicTor, a datagram-based design to solve Tor's transport-layer limiting issue. We evaluated the performance of QuicTor in comparison to vanilla Tor as well as other performance-enhancing proposals. QuicTor achieved significant performance improvements for interactive applications as well as streaming applications. Running Tor over a datagram-based protocol entails a careful security analysis. In this article, we assess the behavior of QuicTor under side-channel attacks aiming to de-anonymize Tor's clients. We show that the performance improvements brought by QuicTor do not reduce the anonymity of clients under the investigated types of attacks. 2013 IEEE.
SponsorQatar Foundation;Qatar National Research Fund;Qatar University
Languageen
PublisherInstitute of Electrical and Electronics Engineers Inc.
SubjectPrivacy by design
Side channel attack
Interactive applications
Performance enhancing
Performance limitations
Personal information
Real-time communication
Streaming applications
Surveillance techniques
Transport protocols
Network security
TitleQuicTor: Enhancing Tor for Real-Time Communication Using QUIC Transport Protocol
TypeArticle
Pagination28769-28784
Volume Number9
dc.accessType Abstract Only


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