Method commit

oblivious_transfer/src/cointoss.rs:42–66

Creates randomness, commits to it and returns the commitments to be sent to the other parties. The randomness will serve as a share to the joint randomness. `batch_size` is the number of random values generated.

(
        rng: &mut R,
        id: ParticipantId,
        batch_size: u32,
        protocol_id: Vec<u8>,
    )

    /// The randomness will serve as a share to the joint randomness. `batch_size` is the number of
    /// random values generated.
    pub fn commit<R: RngCore, D: Digest>(
        rng: &mut R,
        id: ParticipantId,
        batch_size: u32,
        protocol_id: Vec<u8>,
    ) -> (Self, Commitments) {
        let shares_and_salts = (0..batch_size)
            .map(|_| {
                let mut salt = [0; SALT_SIZE];
                rng.fill_bytes(&mut salt);
                (F::rand(rng), salt)
            })
            .collect::<Vec<_>>();
        let commitments = Self::compute_commitments::<D>(&shares_and_salts, &protocol_id);
        (
            Self {
                id,
                protocol_id,
                own_shares_and_salts: shares_and_salts,
                other_commitments: Default::default(),
                other_shares: Default::default(),
            },
            Commitments(commitments),
        )
    }

    /// Process received commitments to the shares from another party and store it
    pub fn receive_commitment(