2021 USENIX Security VoltPillager: Hardware-based fault injection attacks against Intel SGX Enclaves using the SVID voltage scaling interface Chen, Zitai, Vasilakis, Georgios, Murdock, Kit, Dean, Edward, Oswald, David, and Garcia, Flavio D. In 30th USENIX Security Symposium (USENIX Security 21) 2021 HTML PDF