Simplify README

README.md

@@ -7,50 +7,34 @@ How to build and test Opaque:
     ```sh
     sudo yum -y install gcc48.x86_64 gcc48-c++.x86_64
     sudo yum -y update binutils
-    # For fetching benchmark data
-    yum -y --enablerepo epel install s3cmd
-    s3cmd --configure
     ```
 
-2. Install the Linux SGX SDK with C++11 support:
-
-    ```sh
-    git clone https://github.com/ankurdave/linux-sgx -b c++11
-    cd linux-sgx
-    ./download_prebuilt.sh
-    make sdk_install_pkg
-    # Installer will prompt for install path, which can be user-local
-    ./linux/installer/bin/sgx_linux_x64_sdk_*.bin
-    ```
-
-3. On the master, generate a keypair using OpenSSL for remote attestation. Only
+2. On the master, generate a keypair using OpenSSL for remote attestation. Only
    the NIST p-256 curve is supported.
 
     ```sh
     cd ${OPAQUE_HOME}
     openssl ecparam -name prime256v1 -genkey -noout -out private_key.pem
     ```
 
-4. Fetch the benchmark data:
-
-    ```sh
-    cd ${OPAQUE_HOME}
-    DATA_DIR=... REPO_DIR=${OPAQUE_HOME} ./data/fetch-data.sh
-    ```
-
-5. Set the following environment variables in `${SPARK_HOME}/conf/spark-env.sh`
-   and in your shell:
+4. Set the following environment variables:
 
     ```sh
-    export SGX_SDK=.../sgxsdk # from step 2
-    export SPARKSGX_DATA_DIR=... # from step 4
+    export SPARKSGX_DATA_DIR=${OPAQUE_HOME}/data
     export LIBSGXENCLAVE_PATH=${OPAQUE_HOME}/libSGXEnclave.so
     export LIBENCLAVESIGNED_PATH=${OPAQUE_HOME}/enclave.signed.so
     export LIBSGX_SP_PATH=${OPAQUE_HOME}/libservice_provider.so
     export PRIVATE_KEY_PATH=${OPAQUE_HOME}/private_key.pem
     ```
 
-6. Run the Opaque tests:
+3. Synthesize test data:
+
+    ```sh
+    cd ${OPAQUE_HOME}
+    data/disease/synth-disease-data
+    ```
+
+5. Run the Opaque tests:
 
     ```sh
     cd ${OPAQUE_HOME}