Improve Intel SGX SDK Attestation Sample

sgx.attest.sample.intel.sdk/readme.md

@@ -94,6 +94,18 @@ sudo chmod a+x sgx_linux_x64_sdk.bin
 sudo ./sgx_linux_x64_sdk.bin
 ```
 
+If you have installed Intel SGX DCAP Quote Provider Library (QPL), you have to purge it:
+```
+apt purge libsgx-dcap-default-qpl
+```
+
+Install Azure DCAP Client:
+```
+echo "deb [arch=amd64] https://packages.microsoft.com/ubuntu/20.04/prod focal main" | sudo tee /etc/apt/sources.list.d/msprod.listdeb [arch=amd64] https://packages.microsoft.com/ubuntu/20.04/prod focal main
+sudo apt update
+sudo apt install az-dcap-client
+```
+
 Specify a directory to install the Intel SGX SDK. For example, `/opt/intel`
 If the SDK is installed into /opt/intel, run the following command:
 ```
@@ -115,8 +127,19 @@ rm packages-microsoft-prod.deb
 sudo apt update
 sudo apt install -y apt-transport-https && sudo apt update && sudo apt install -y dotnet-sdk-5.0
 ```
+4. Install pre-requisites
+```
+sudo apt-get install build-essential
+sudo apt-get install libssl-dev
+sudo apt install libsecret-1-dev
+```
+
+5. Install Azure CLI (https://learn.microsoft.com/en-us/cli/azure/install-azure-cli-linux?pivots=apt#option-1-install-with-one-command)
+```
+curl -sL https://aka.ms/InstallAzureCLIDeb | sudo bash
+```
 
-4. Reboot the VM. **This is required to complete the SGX DCAP driver installation.**
+7. Reboot the VM. **This is required to complete the SGX DCAP driver installation.**
 
 ```
 sudo reboot now
@@ -160,12 +183,16 @@ sudo ./runall.sh
 
 This runs the application in four different enclave configurations to generate four different remote quotes.  You should see four new files created in the ```./genquotes/out``` directory.
 
-5. Build, run and validate the JSON files with the MAA service do the following:
+5. Perform Azure login, build, run and validate the JSON files with the MAA service do the following:
 
 ```
 cd validatequotes.core
 ```
 
+```
+az login
+```
+
 ```
 ./runall.sh
 ```

sgx.attest.sample.intel.sdk/validatequotes.core/Program.cs

@@ -71,7 +71,7 @@ public async Task RunAsync()
                 return Task.CompletedTask;
             };
 
-            var maaService = new AttestationClient(new Uri(endpoint), new DefaultAzureCredential(), options);
+            var maaService = new AttestationClient(new Uri(endpoint), new DefaultAzureCredential(new DefaultAzureCredentialOptions { ExcludeSharedTokenCacheCredential = true }), options);
 
             BinaryData sgxEnclaveReport = BinaryData.FromBytes(HexHelper.ConvertHexToByteArray(enclaveInfo.QuoteHex));