Poster: Princess: A Secure Cloud File Storage System For Managing Data With Hierarchical Levels Of Sensitivity

PRINCESS (Proxy Re-encryption with INd-Cca security in an Encrypted file Storage System) is a secure storage system which utilizes special proxy re-encryption technology. With PRINCESS, the files encrypted in accordance with the confidentiality levels can be shared among appointed users while remaining encrypted. In this poster/demo, we show the efficiency of PRINCESS, which can be applied to a Body Area Network information sharing, automobile information sharing, etc. This system facilitates the potential for new services that require privacy data to be shared securely via cloud technology.