OpenEnclave install documentation (#108)

dsg-uwaterloo · Dec 29, 2023 · 531938d · 531938d
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diff --git a/docs/INSTALL.md b/docs/INSTALL.md
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 ### 1. OpenEnclave SDK
 
-Follow the installation instructions found in the [OpenEnclave documentation](https://github.com/openenclave/openenclave/blob/master/docs/GettingStartedDocs/install_oe_sdk-Ubuntu_20.04.md). If only using in simulation mode, you can skip step 2.
+Follow the steps listed below to install OpenEnclave SDK. More detailed installation instructions can be found in the [OpenEnclave documentation](https://github.com/openenclave/openenclave/blob/master/docs/GettingStartedDocs/install_oe_sdk-Ubuntu_20.04.md).
+
+First, configure the Intel and Microsoft APT Repositories:
+```bash
+echo 'deb [arch=amd64] https://download.01.org/intel-sgx/sgx_repo/ubuntu focal main' | sudo tee /etc/apt/sources.list.d/intel-sgx.list
+wget -qO - https://download.01.org/intel-sgx/sgx_repo/ubuntu/intel-sgx-deb.key | sudo apt-key add -
+
+echo "deb http://apt.llvm.org/focal/ llvm-toolchain-focal-11 main" | sudo tee /etc/apt/sources.list.d/llvm-toolchain-focal-11.list
+wget -qO - https://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add -
+
+echo "deb [arch=amd64] https://packages.microsoft.com/ubuntu/20.04/prod focal main" | sudo tee /etc/apt/sources.list.d/msprod.list
+wget -qO - https://packages.microsoft.com/keys/microsoft.asc | sudo apt-key add -
+
+sudo apt update
+```
+
+Then, install the Intel and Open Enclave packages and dependencies:
+```bash
+sudo apt -y install clang-11 libssl-dev gdb libsgx-enclave-common libsgx-quote-ex libprotobuf17 libsgx-dcap-ql libsgx-dcap-ql-dev az-dcap-client open-enclave
+```
+
+Finally, to make use of the Open Enclave CMake package, please install CMake:
+```bash
+sudo apt-get install python3-pip
+sudo pip3 install cmake
+```
 
 ### 2. Apache Thrift