Joanna Rutkowska

@rootkovska ↗

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Last Checked Nov. 19, 2022

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Tue Oct 25 09:36:39 +0000 2016

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Joanna Rutkowska @rootkovska

ISTM, IntelSGX Monotonic Counters can be trivially attacked by reverting the SPI flash content back to a saved one? Am I missing smth here? — PolitiTweet.org

Posted Oct. 25, 2016

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Joanna Rutkowska @rootkovska

Yes, I know [1]. But most ppl: "Oh, let's use this formally-verified ukernel, b/c it's *proved* to be secure!" [1]… https://t.co/A5jtCq9imB — PolitiTweet.org

@rootkovska everything above the kernel is expected to behave like in the specs, any violation (e.g., HW error) may still fail seL4

Posted Oct. 25, 2016

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Joanna Rutkowska @rootkovska

Of course this would be a physical attack, yet orders of magnitude simpler than other physical attacks against various SGX services, no? — PolitiTweet.org

Posted Oct. 25, 2016