The paper classifies data communication in IoV networks into six categories and examines the security focus of each category in terms of confidentiality, integrity, long-term availability, and short-term availability. This analysis reveals the need for a differentiated security approach to meet the diverse security and efficiency requirements of different data types.
The proposed architecture leverages NDN to enable efficient distribution of public and subscription-based infotainment data. For subscription-based infotainment data, a time-sensitive KP-ABE scheme is introduced, where the user can only decrypt files whose validity time falls within their subscription time. This scheme, coupled with the NDN network, allows any node in the network to own the file, but only those with a valid subscription can decrypt the file.
The paper also integrates blockchain technology to manage access to subscription-based infotainment data and avoid revocated users from decrypting the data.
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