This lecture covers an overview of Intel SGX, hardware extensions for security, the mechanism of remote attestation, and how it can be used for cloud security.
Intel SGX, McKeen et al
Remote attestation, Johnson et al
Haven, Baumann et al
If some things are unclear from the readings above, these references should help:
Presentation by one of the SGX creators, Frank Mckeen
Intel SGX explained, Costan and Devadas. This report covers at length Intel SGX as well as computer architecture, security, and cryptography knowledge needed to understand it. Sections 1.1 and 5 are particularly relevant.
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