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cs.CR2023
faulTPM: Exposing AMD fTPMs' Deepest Secrets
Hans Niklas Jacob, Christian Werling, Robert Buhren +1
Trusted Platform Modules constitute an integral building block of modern security features. Moreover, as Windows 11 made a TPM 2.0 mandatory, they are subject to an ever-increasing…
cs.CR2022
EM-Fault It Yourself: Building a Replicable EMFI Setup for Desktop and Server Hardware
Niclas Kühnapfel, Robert Buhren, Hans Niklas Jacob +3
EMFI has become a popular fault injection (FI) technique due to its ability to inject faults precisely considering timing and location. Recently, ARM, RISC-V, and even x86 processi…
cs.CR2021
One Glitch to Rule Them All: Fault Injection Attacks Against AMD's Secure Encrypted Virtualization
Robert Buhren, Hans Niklas Jacob, Thilo Krachenfels +1
AMD Secure Encrypted Virtualization (SEV) offers protection mechanisms for virtual machines in untrusted environments through memory and register encryption. To separate security-s…