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    Private routing and ride-sharing using homomorphic encryption

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    Author
    Farokhi, F; Shames, I; Johansson, KH
    Date
    2020-02-07
    Source Title
    IET Cyber-Physical Systems
    Publisher
    Institution of Engineering and Technology (IET)
    University of Melbourne Author/s
    Farokhi, Farhad; Shames, Iman
    Affiliation
    Electrical and Electronic Engineering
    Metadata
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    Document Type
    Journal Article
    Citations
    Farokhi, F., Shames, I. & Johansson, K. H. (2020). Private routing and ride-sharing using homomorphic encryption. IET Cyber-Physical Systems: Theory & Applications, 5 (4), https://doi.org/10.1049/iet-cps.2019.0042.
    Access Status
    This item is currently not available from this repository
    URI
    http://hdl.handle.net/11343/251370
    DOI
    10.1049/iet-cps.2019.0042
    Abstract
    A framework for private and secure communication and interaction between agents interacting in transportation services is developed. An agent, i.e. a user, can ask questions or submit queries regarding whether the other agents, i.e. drivers, use the desired road at specific times of the day in an encrypted fashion. The authors developed the framework using semi-homomorphic encryption (namely, the Paillier's encryption method) to enable the algebraic manipulation of plain data without the need for decryption using appropriate computations over the encrypted data. Strong privacy and security guarantees are proved for the agents. Subsequently, the semi-homomorphic encryption method is utilised to develop privacy-aware ride-sharing and routing algorithms without the need for disclosing the origin and destination of the user.

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