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Waye, Lucas, Buiras, Pablo, Arden, Owen, Russo, Alejandro, Chong, Stephen.  2017.  Cryptographically Secure Information Flow Control on Key-Value Stores. Proceedings of the 2017 ACM SIGSAC Conference on Computer and Communications Security. :1893–1907.

We present Clio, an information flow control (IFC) system that transparently incorporates cryptography to enforce confidentiality and integrity policies on untrusted storage. Clio insulates developers from explicitly manipulating keys and cryptographic primitives by leveraging the policy language of the IFC system to automatically use the appropriate keys and correct cryptographic operations. We prove that Clio is secure with a novel proof technique that is based on a proof style from cryptography together with standard programming languages results. We present a prototype Clio implementation and a case study that demonstrates Clio's practicality.