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TimeWarp: Rethinking timekeeping and performance monitoring mechanisms to mitigate side-channel attacks

Robert Martin, John Demme, Simha Sethumadhavan
2012 2012 39th Annual International Symposium on Computer Architecture (ISCA)  
Our approach is to limit the fidelity of fine grain timekeeping and performance counters, making it difficult for an attacker to distinguish between different microarchitectural events, thus thwarting  ...  In this paper we present a general mitigation strategy that focuses on the infrastructure used to measure side channel leaks rather than the source of leaks, and thus applies to all known and unknown microarchitectural  ...  Appendix: Timewarp SVF Measurements Since the publication of the paper (published at ISCA'12), we have measured the side-channel vulnerability factor for Timewarp.  ... 
doi:10.1109/isca.2012.6237011 dblp:conf/isca/MartinDS12 fatcat:verp56fhcbg2paa7y75mxairty