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Do a simple HTTP GET with the correct UUID, and the server will respond with either `Secret validated!`, or `The secret is still safe!`. The purpose is to demonstrate the capabilities of [Enarx](https://github.com/enarx/enarx/), which keeps application code and data encrypted in memory (a Keep) when running with Intel [SGX](https://www.intel.com/content/www/us/en/architecture-and-technology/software-guard-extensions.html) or AMD [SEV](https://developer.amd.com/sev/). Use this application with a memory dump utility when run with Enarx to see if you can get the secret! + +## Testing as native code +Compiling in debug mode, `cargo build`, shows the secret when the program runs, so you can validate that the application is truthful. Re-compile with `cargo build --release` and run with Enarx on SGX/SEV and see if you can find the secret! + +* `cargo run` +* Get the secret from output +* `curl -i http://localhost:8080/` and see a confirmation that the secret was correct. +* Close and re-compile as `cargo build --release` +* Find the secret? +* Use the same `curl` command to check your answer. + +## Testing with Enarx & WebAssembly +Enarx uses WebAssembly to run applications, so recompile with the additional argument `--target=wasm32-wasi`. Run `rustup target add wasm32-wasi` if you haven't compiled Rust applications for WebAssembly previously. +* Install Enarx from https://github.com/enarx/enarx/releases/latest. +* You should then be able to run `cargo run --target=wasm32-wasi`, or `cargo run --release --target=wasm32-wasi` for release mode. +* If Enarx isn't in your $PATH, compile using the commands above, and run as `/path/to/enarx run --wasmcfgfile Enarx.toml target/wasm32-wasi/release/find_the_secret.wasm`. +* Add to Enarx `--backend=sgx` or `--backend=sev` depending on your hardware. +* Running `enarx platform info` shows if Enarx detected or supports your system.