Privacy-preserving-Resource-Sharing

Proof-of-concept implementation of a privacy preserving resource sharing system using permissioned blockchian.

How it works

• Advertise an object
• Request access

Advertise

• A_o: resource owner
• B_r: resource requester

Request

Required tools for blockhain

• Truffle: a development framework for Ethereum.
• Ganache: personal blockchain for Ethereum application development.
• Remix: a browser-based IDE.

Required Crypto tools

• Symmetric key encryption: OpenSSL library supported AES-256-CBC encryption scheme.
• CP-ABE Library: CP-ABE toolkit supported by advanced crypto software collection service.
• Ring Signature: How to leak a secret by Rivest et al.