SecurityLobstersabout 2 hours ago
Tinfoil Shrinks Firmware to 300 Lines
15 min read
Tinfoil replaces 1 million lines of C code in OVMF firmware with approximately 300 lines of open-source assembly to improve security. This reduction removes dependencies and allows the company to formally verify the initial launch state of confidential virtual machines, addressing host-to-guest attack surfaces more effectively than the legacy open-source solution.
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