Search Results for author: Thomas Prescher

Found 2 papers, 2 papers with code

LazyFP: Leaking FPU Register State using Microarchitectural Side-Channels

1 code implementation19 Jun 2018 Julian Stecklina, Thomas Prescher

As an optimization, the operating system can defer the context switch of the FPU and SIMD register set until the first instruction is executed that needs access to these registers.

Operating Systems Hardware Architecture Cryptography and Security

Meltdown

2 code implementations3 Jan 2018 Moritz Lipp, Michael Schwarz, Daniel Gruss, Thomas Prescher, Werner Haas, Stefan Mangard, Paul Kocher, Daniel Genkin, Yuval Yarom, Mike Hamburg

The security of computer systems fundamentally relies on memory isolation, e. g., kernel address ranges are marked as non-accessible and are protected from user access.

Cryptography and Security

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