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This repository contains the latest version of the CAKE approach presented in the paper "Fine-grained Data Access Control for Collaborative Process Execution on Blockchain" (DOI: 10.1007/978-3-031-16168-1_4; slides are available on SlideShare). For the Algorand-based implementation, please check out github.com/apwbs/CAKE-Algorand!

For the impatient: in this Docker Hub repository you can find readily available Docker Images to play with the Ethereum and Algorand implementations of the CAKE approach!

This GitHub Wiki contains the following pages:

• Home: This page.
• Requirements, installation and preliminary operations: A description of the requirements to run CAKE, from the docker execution to the .env file configuration.
• Run CAKE locally: A step-by-step guide to run CAKE locally.
• Run CAKE API: A step-by-step guide to run CAKE API locally.
• Interact using API: A step-by-step guide to interact with CAKE API.
  • Create a new process: How to create a new process using CAKE-API
  • Cipher message: How to cipher a message using CAKE-API
  • Decrypt messages: How to decrypt a message using CAKE-API
• API Documentation: An overview of the API methods available in CAKE-API
  • API Certification Methods: Documentation of the API methods to read the keys and attribute certification to the actors involved in the process
  • API DataOwner Methods: Documentation of the API methods to cipher a new message
  • API Client Methods: Documentation of the API methods to decrypt a message