Struct seec::mul_triple::boolean::ot_ext::OtMTProvider

pub struct OtMTProvider<RNG, S: ExtROTSender, R: ExtROTReceiver> { /* private fields */ }

Implementations

impl<RNG: RngCore + CryptoRng + Send, S: ExtROTSender, R: ExtROTReceiver> OtMTProvider<RNG, S, R>

pub fn new( rng: RNG, ot_sender: S, ot_receiver: R, ch_sender: Sender<Msg<S::Msg>>, ch_receiver: Receiver<Msg<S::Msg>> ) -> Self

Examples found in repository

crates/seec/examples/privmail_sc.rs (lines 234-240)

async fn main() -> anyhow::Result<()> {
    let args: Args = Args::parse();
    let search_query: SearchQuery =
        serde_yaml::from_reader(File::open(args.query_file_path).expect("Opening query file"))
            .expect("Deserializing query file");
    let mails: Vec<Mail> = fs::read_dir(args.mail_dir_path)
        .expect("Reading mail dir")
        .map(|entry| {
            let entry = entry.expect("Mail dir iteration");
            serde_yaml::from_reader(File::open(entry.path()).expect("Opening mail file"))
                .expect("Deserializing mail file")
        })
        .collect();

    tracing_subscriber::fmt()
        .with_env_filter(EnvFilter::from_default_env())
        .init();

    let now = Instant::now();
    let (input, _) = priv_mail_search(
        &search_query.keywords,
        &search_query.modifier_chain_share,
        &mails,
        args.duplication_factor,
    );
    let circuit = ExecutableCircuit::DynLayers(CircuitBuilder::global_into_circuit());
    info!("Building circuit took: {}", now.elapsed().as_secs_f32());
    // circuit = circuit.clone().into_base_circuit().into();
    // if args.save_circuit {
    //     bc.save_dot("privmail.dot")?;
    // }
    // dbg!(&circuit);
    let (mut sender, bytes_written, mut receiver, bytes_read) = match args.my_id {
        0 => seec_channel::tcp::listen(args.server).await?,
        1 => seec_channel::tcp::connect(args.server).await?,
        illegal => anyhow::bail!("Illegal party id {illegal}. Must be 0 or 1."),
    };

    let (ch1, mut ch2) = sub_channels_for!(
        &mut sender,
        &mut receiver,
        64,
        seec_channel::Sender<ot_ext::ExtOTMsg>,
        Message<BooleanGmw>
    )
    .await?;

    let mut executor = {
        let mt_provider = OtMTProvider::new(
            OsRng,
            ot_ext::Sender::default(),
            ot_ext::Receiver::default(),
            ch1.0,
            ch1.1,
        );
        BoolGmwExecutor::new(&circuit, args.my_id, mt_provider).await?
    };

    let output = executor
        .execute(Input::Scalar(input), &mut ch2.0, &mut ch2.1)
        .await?;
    info!(
        my_id = %args.my_id,
        output = ?output,
        bytes_written = bytes_written.get(),
        bytes_read = bytes_read.get(),
        gate_count = circuit.gate_count(),
    );
    Ok(())
}

impl<RNG: RngCore + CryptoRng + Send> OtMTProvider<RNG, Sender, Receiver>

pub fn new_with_default_ot_ext( rng: RNG, ch_sender: Sender<DefaultMsg>, ch_receiver: Receiver<DefaultMsg> ) -> Self

Examples found in repository

crates/seec/examples/aes_cbc.rs (lines 364-368)

async fn encrypt(
    args: &ExecuteArgs,
    mut executor_channel: Channel<Message<BooleanGmw>>,
    ot_channel: Option<Channel<mul_triple::boolean::ot_ext::DefaultMsg>>,
    shared_file: &BitSlice<usize>,
    shared_key: &BitSlice<usize>,
    shared_iv: &BitSlice<usize>,
) -> Result<Output<BitVec<usize>>> {
    let exec_circ: ExecutableCircuit<bool, BooleanGate, usize> = bincode::deserialize_from(
        BufReader::new(File::open(&args.circuit).context("Failed to open circuit file")?),
    )?;

    let mut input = shared_key.to_bitvec();
    input.extend_from_bitslice(shared_iv);
    input.extend_from_bitslice(shared_file);

    let mtp = match ot_channel {
        None => InsecureMTProvider::default().into_dyn(),
        Some(ot_channel) => mul_triple::boolean::ot_ext::OtMTProvider::new_with_default_ot_ext(
            OsRng,
            ot_channel.0,
            ot_channel.1,
        )
        .into_dyn(),
    };

    let mut executor: Executor<BooleanGmw, usize> = Executor::new(&exec_circ, args.id, mtp).await?;
    Ok(executor
        .execute(
            Input::Scalar(input),
            &mut executor_channel.0,
            &mut executor_channel.1,
        )
        .await?)
}

crates/seec/examples/precompute_mts.rs (line 56)

async fn main() -> anyhow::Result<()> {
    // Initialize logging, see top of file for instructions on how to get output.
    tracing_subscriber::fmt()
        .with_env_filter(EnvFilter::from_default_env())
        .init();

    let args = Args::parse();

    let (mut sender, bytes_written, mut receiver, bytes_read) = match args.id {
        0 => seec_channel::tcp::listen(&args.server).await?,
        1 => {
            seec_channel::tcp::connect_with_timeout(&args.server, Duration::from_secs(120)).await?
        }
        illegal => anyhow::bail!("Illegal party id {illegal}. Must be 0 or 1."),
    };

    let (mt_ch, mut sync_ch) = sub_channels_for!(
        &mut sender,
        &mut receiver,
        128,
        mul_triple::boolean::ot_ext::DefaultMsg,
        seec_channel::SyncMsg
    )
    .await
    .context("sub-channel establishment")?;

    let mtp =
        mul_triple::boolean::ot_ext::OtMTProvider::new_with_default_ot_ext(OsRng, mt_ch.0, mt_ch.1);

    let mut mt_storage = MTStorage::create(&args.output).context("create mt storage")?;
    mt_storage.set_batch_size(args.batch_size);
    let now = Instant::now();
    mt_storage
        .store_mts(args.num, mtp)
        .await
        .context("unable to precompute and store MTs")?;
    info!(
        elapsed_ms = now.elapsed().as_millis(),
        bytes_written = bytes_written.get(),
        bytes_received = bytes_read.get(),
        "Finished precomputing MTs"
    );

    seec_channel::sync(&mut sync_ch.0, &mut sync_ch.1)
        .await
        .context("unable to sync")?;

    Ok(())
}

Trait Implementations

impl<RNG, S, R> MTProvider for OtMTProvider<RNG, S, R>

where RNG: RngCore + CryptoRng + Send, S: ExtROTSender<Msg = R::Msg> + Send, S::Msg: RemoteSend + Debug, R: ExtROTReceiver + Send, R::Msg: RemoteSend + Debug,

type Output = MulTriples

type Error = Error

fn precompute_mts<'life0, 'async_trait>( &'life0 mut self, amount: usize ) -> Pin<Box<dyn Future<Output = Result<(), Self::Error>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait,

fn request_mts<'life0, 'async_trait>( &'life0 mut self, amount: usize ) -> Pin<Box<dyn Future<Output = Result<MulTriples, Self::Error>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait,