CAKE: Sharing Slices of Confidential Data on Blockchain

• URL: http://arxiv.org/abs/2405.04152v1
• Date: Tue, 7 May 2024 09:44:04 GMT
• Title: CAKE: Sharing Slices of Confidential Data on Blockchain
• Authors: Edoardo Marangone, Michele Spina, Claudio Di Ciccio, Ingo Weber,
• Abstract summary: Control Access via Key Encryption (CAKE) designed to ensure data confidentiality in scenarios involving public blockchains. We showcase the application of CAKE in the context of a real-world cyber-security project within the logistics domain.
• Score: 1.481195148653669
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Cooperative information systems typically involve various entities in a collaborative process within a distributed environment. Blockchain technology offers a mechanism for automating such processes, even when only partial trust exists among participants. The data stored on the blockchain is replicated across all nodes in the network, ensuring accessibility to all participants. While this aspect facilitates traceability, integrity, and persistence, it poses challenges for adopting public blockchains in enterprise settings due to confidentiality issues. In this paper, we present a software tool named Control Access via Key Encryption (CAKE), designed to ensure data confidentiality in scenarios involving public blockchains. After outlining its core components and functionalities, we showcase the application of CAKE in the context of a real-world cyber-security project within the logistics domain.

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