4 papers
SoK: A cloudy view on trust relationships of CVMs -- How Confidential Virtual Machines are falling short in Public Cloud
Jana Eisoldt, Anna Galanou, Andrey Ruzhanskiy +6
Confidential computing in the public cloud intends to safeguard workload privacy while outsourcing infrastructure management to a cloud provider. This is achieved by executing cust…
VeriFence: Lightweight and Precise Spectre Defenses for Untrusted Linux Kernel Extensions
Luis Gerhorst, Henriette Herzog, Peter Wägemann +3
High-performance IO demands low-overhead communication between user- and kernel space. This demand can no longer be fulfilled by traditional system calls. Linux's extended Berkeley…
Trustworthy confidential virtual machines for the masses
Anna Galanou, Khushboo Bindlish, Luca Preibsch +3
Confidential computing alleviates the concerns of distrustful customers by removing the cloud provider from their trusted computing base and resolves their disincentive to migrate…
Vivisecting the Dissection: On the Role of Trusted Components in BFT Protocols
Alysson Bessani, Miguel Correia, Tobias Distler +3
A recent paper by Gupta et al. (EuroSys'23) challenged the usefulness of trusted component (TC) based Byzantine fault-tolerant (BFT) protocols to lower the replica group size from…