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Document reproducible builds #2

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Document reproducible builds #2

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18 changes: 18 additions & 0 deletions README.md
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Expand Up @@ -31,6 +31,24 @@ Participants of the ceremony sample some randomness, perform a computation, and

It is totally up to the participants. In general, participations should beware of side-channel attacks and assume that remnants of the randomness will be in RAM after the computation has finished.

## Reproducible builds

To build a reproducible binary, use this command (requires rust nightly):

```sh
RUSTFLAGS="-Zremap-path-prefix-from=$PWD -Zremap-path-prefix-to=/remap" \
rustup run nightly cargo build --release --verbose
```

You can verify the project is reproducible in a scriptable way with reprotest:

```sh
(. /etc/os-release;
reprotest -vv --host-distro="$ID" --vary=-time,-fileordering --source-pattern 'Cargo.* src/' \
'CARGO_HOME="$PWD/.cargo" RUSTUP_HOME='"$HOME/.rustup"' RUSTFLAGS="-Zremap-path-prefix-from=$PWD -Zremap-path-prefix-to=/remap" \
rustup run nightly cargo build --release --verbose' 'target/release/{compute,new,verify_transform}')
```

## License

Licensed under either of
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