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Burkhalter L, K├╝chler N, Viand A, Shafagh H, Hithnawi A.  2021.  Zeph: Cryptographic Enforcement of End-to-End Data Privacy. 15th {USENIX} Symposium on Operating Systems Design and Implementation ({OSDI} 21). :387--404.
Shafagh H, Burkhalter L, Ratnasamy S, Hithnawi A.  2020.  Droplet: Decentralized Authorization and Access Control for Encrypted Data Streams. 29th USENIX Security Symposium (USENIX Security 20). :2469--2486.
Burkhalter L, Hithnawi A, Viand A, Shafagh H, Ratnasamy S.  2020.  TimeCrypt: Encrypted Data Stream Processing at Scale with Cryptographic Access Control . 17th USENIX Symposium on Networked Systems Design and Implementation (NSDI 20). :835--850.