Nimble: Rollback Protection for Confidential Cloud Services (extended version)

ePrint Report: Nimble: Rollback Protection for Confidential Cloud Services (extended version)

Sebastian Angel, Aditya Basu, Weidong Cui, Trent Jaeger, Stella Lau, Srinath Setty, Sudheesh Singanamalla

This paper introduces Nimble, a cloud service that helps applications running in trusted execution environments (TEEs) to detect rollback attacks (i.e., detect whether a data item retrieved from persistent storage is the latest version). To achieve this, Nimble realizes an append-only ledger service by employing a simple state machine running in a TEE in conjunction …

applications attacks cloud cloud service cloud services confidential cui data detect environments eprint report protection report service services version