Struct OtExtensionReceiver

pub struct OtExtensionReceiver<S: Security> { /* private fields */ }

OT extension receiver generic over its Security level.

Implementations

impl<S: Security> OtExtensionReceiver<S>

pub fn new(conn: Connection) -> Self

Create a new sender for the given Connection.

pub fn new_with_rng(conn: Connection, rng: StdRng) -> Self

Create a new sender for the given Connection and StdRng.

For an rng seeded with a fixed seed, the output is deterministic.

pub fn with_batch_size(self, batch_size: usize) -> Self

Set the OT batch size for the receiver.

If the receiver batch size is changed, the senders’s must also be changed (see OtExtensionSender::with_batch_size). Note that OtExtensionReceiver::receive methods will fail if count % self.batch_size() is not divisable by 128.

pub fn batch_size(&self) -> usize

The currently configured OT batch size.

pub fn has_base_ots(&self) -> bool

Returns true if base OTs have been performed. Subsequent calls to send will not perform base OTs again.

pub async fn do_base_ots(&mut self) -> Result<(), Error>

Perform base OTs for later extension. Subsequent calls to send will not perform base OTs again.

Trait Implementations

impl<S: Security> Connected for OtExtensionReceiver<S>

fn connection(&mut self) -> &mut Connection

impl<S: Security> CotReceiver for OtExtensionReceiver<S>

type Error = Error

async fn correlated_receive_into<B>( &mut self, ots: &mut B, choices: &[Choice], ) -> Result<(), Self::Error>

where B: Buf<Block>,

fn correlated_receive( &mut self, choices: &[Choice], ) -> impl Future<Output = Result<Vec<Block>, Self::Error>> + Send

impl<S: Security> RotReceiver for OtExtensionReceiver<S>

async fn receive_into( &mut self, ots: &mut impl Buf<Block>, choices: &[Choice], ) -> Result<(), Self::Error>

Receiver part of OT extension.

Panics

• If choices.len() is not divisable by 128.
• If choices.len() % self.batch_size() is not divisable by 128.

type Error = Error

The error type returned by receive operations.

fn receive( &mut self, choices: &[Choice], ) -> impl Future<Output = Result<Vec<Block>, Self::Error>> + Send

Receive choices.len() many random OTs.

impl Malicious for OtExtensionReceiver<MaliciousMarker>

impl SemiHonest for OtExtensionReceiver<MaliciousMarker>

impl SemiHonest for OtExtensionReceiver<SemiHonestMarker>