I am Dave Jing Tian, an Assistant Professor in the Department of Computer Science at Purdue University working on system security. My research involves embedded systems, operating systems, trusted and confidential computing, and hardware security and trust. All opinions are my own.
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Tag Archives: sgx
Speculations on Intel SGX Card
One of the exciting things Intel has brought to RSA 2019 is Intel SGX Card . 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
Some notes on SGX OwnerEpoch and Sealing
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
Posted in Security Tagged egetkey, OwnerEpoch, Sealing, sgx, SGXv2, soe Leave a comment
Some notes on the Monotonic Counter in Intel SGX and ME
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
SGX Bug SKL012 and CHIPSEC
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