---
id: 4500
title: "Overview of Intel SGX - Part 2, SGX Externals"
source_domain: blog.quarkslab.com
source_url: "https://blog.quarkslab.com/overview-of-intel-sgx-part-2-sgx-externals.html"
published_at: "2018-08-01T22:00:00Z"
tags: ["reverse-engineering", "tee", "security", "enclave", "intel-sgx", "sgx-sdk"]
phying_url: "https://phying.com/item/4500"
lang: en
---

# Overview of Intel SGX - Part 2, SGX Externals

## Summary

Part 2 of the SGX series: how applications interact with enclaves (ECALLs, OCALLs, asynchronous exits), the software shipped in the SDK and PSW, and known attacks and concerns.

## Intelligence Metadata

- **Sources:** blog.quarkslab.com
- **Published:** 2018-08-01T22:00:00Z
- **Original:** https://blog.quarkslab.com/overview-of-intel-sgx-part-2-sgx-externals.html
- **Phying News:** https://phying.com/item/4500