Tag Archives: sgx

Speculations on Intel SGX Card

Posted on March 25, 2019 by daveti

One of the exciting things Intel has brought to RSA 2019 is Intel SGX Card [2]. Yet there is not much information about this coming hardware. This post collects some related documentation from Intel and speculates what could happen within … Continue reading →

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Some notes on SGX OwnerEpoch and Sealing

Posted on June 24, 2018 by daveti

Intel SGX has been there in the market for while. Yet there are still a lot of misundrestandings and mysteries about this technology. This post provides an introduction to Intel SGX OwnerEpoch and Sealing, discusses their security impacts, and speculates … Continue reading →

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Some notes on the Monotonic Counter in Intel SGX and ME

Posted on November 10, 2017 by daveti

SGX sealing is vulnerable to rollback attacks as the enclave is not able to tell if the sealed data is the latest or a old copy. To mitigate this attack, monotonic counter (MC) has been introduced in Intel SGX SDK … Continue reading →

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SGX Bug SKL012 and CHIPSEC

Posted on December 16, 2016 by daveti

Intel SGX CPU (staring from Skylake) has been there for while. The good news is that there is still no known exploitation against SGX self yet, though there are some exploitations in the enclave code and Intel SGX SDK. In … Continue reading →

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