Struct snarkvm_polycommit::sonic_pc::SonicKZG10[−][src]

pub struct SonicKZG10<E: PairingEngine> { /* fields omitted */ }

Expand description

Polynomial commitment based on [KZG10], with degree enforcement and batching taken from [MBKM19, “Sonic”] (more precisely, their counterparts in [Gabizon19, “AuroraLight”] that avoid negative G1 powers). The (optional) hiding property of the commitment scheme follows the approach described in [CHMMVW20, “Marlin”].

Trait Implementations

impl<E: Clone + PairingEngine> Clone for SonicKZG10<E>

fn clone(&self) -> SonicKZG10<E>

Returns a copy of the value. Read more

1.0.0[src]

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

impl<E: Debug + PairingEngine> Debug for SonicKZG10<E>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

impl<E: PairingEngine> PolynomialCommitment<<E as PairingEngine>::Fr> for SonicKZG10<E>

fn commit<'a>(
    ck: &Self::CommitterKey, 
    polynomials: impl IntoIterator<Item = &'a LabeledPolynomial<E::Fr>>, 
    rng: Option<&mut dyn RngCore>
) -> Result<(Vec<LabeledCommitment<Self::Commitment>>, Vec<Self::Randomness>), Self::Error>

Outputs a commitment to polynomial.

fn check_combinations<'a, R: RngCore>(
    vk: &Self::VerifierKey, 
    lc_s: impl IntoIterator<Item = &'a LinearCombination<E::Fr>>, 
    commitments: impl IntoIterator<Item = &'a LabeledCommitment<Self::Commitment>>, 
    query_set: &QuerySet<'_, E::Fr>, 
    evaluations: &Evaluations<'_, E::Fr>, 
    proof: &BatchLCProof<E::Fr, Self>, 
    opening_challenge: E::Fr, 
    rng: &mut R
) -> Result<bool, Self::Error> where
    Self::Commitment: 'a,

Checks that values are the true evaluations at query_set of the polynomials committed in labeled_commitments.

fn open_combinations_individual_opening_challenges<'a>(
    ck: &Self::CommitterKey, 
    linear_combinations: impl IntoIterator<Item = &'a LinearCombination<E::Fr>>, 
    polynomials: impl IntoIterator<Item = &'a LabeledPolynomial<E::Fr>>, 
    commitments: impl IntoIterator<Item = &'a LabeledCommitment<Self::Commitment>>, 
    query_set: &QuerySet<'_, E::Fr>, 
    opening_challenges: &dyn Fn(u64) -> E::Fr, 
    rands: impl IntoIterator<Item = &'a Self::Randomness>
) -> Result<BatchLCProof<E::Fr, Self>, Self::Error> where
    Self::Randomness: 'a,
    Self::Commitment: 'a,

On input a list of polynomials, linear combinations of those polynomials, and a query set, open_combination outputs a proof of evaluation of the combinations at the points in the query set.

fn check_combinations_individual_opening_challenges<'a, R: RngCore>(
    vk: &Self::VerifierKey, 
    linear_combinations: impl IntoIterator<Item = &'a LinearCombination<E::Fr>>, 
    commitments: impl IntoIterator<Item = &'a LabeledCommitment<Self::Commitment>>, 
    eqn_query_set: &QuerySet<'_, E::Fr>, 
    eqn_evaluations: &Evaluations<'_, E::Fr>, 
    proof: &BatchLCProof<E::Fr, Self>, 
    opening_challenges: &dyn Fn(u64) -> E::Fr, 
    _rng: &mut R
) -> Result<bool, Self::Error> where
    Self::Commitment: 'a,

Check combinations with individual challenges.

type BatchProof = Vec<Self::Proof>

The evaluation proof for a query set.

type Commitment = Commitment<E>

The commitment to a polynomial.

type CommitterKey = CommitterKey<E>

The committer key for the scheme; used to commit to a polynomial and then open the commitment to produce an evaluation proof. Read more

type Error = Error

The error type for the scheme.

type PreparedCommitment = PreparedCommitment<E>

The prepared commitment to a polynomial.

type PreparedVerifierKey = PreparedVerifierKey<E>

The prepared verifier key for the scheme; used to check an evaluation proof.

type Proof = Proof<E>

The evaluation proof for a single point.

type Randomness = Randomness<E>

The commitment randomness.

type UniversalParams = UniversalParams<E>

The universal parameters for the commitment scheme. These are “trimmed” down to Self::CommitterKey and Self::VerifierKey by Self::trim. Read more

type VerifierKey = VerifierKey<E>

The verifier key for the scheme; used to check an evaluation proof.

fn setup<R: RngCore>(
    max_degree: usize, 
    rng: &mut R
) -> Result<Self::UniversalParams, Self::Error>

Constructs public parameters when given as input the maximum degree degree for the polynomial commitment scheme. Read more

fn trim(
    pp: &Self::UniversalParams, 
    supported_degree: usize, 
    supported_hiding_bound: usize, 
    enforced_degree_bounds: Option<&[usize]>
) -> Result<(Self::CommitterKey, Self::VerifierKey), Self::Error>

Specializes the public parameters for polynomials up to the given supported_degree and for enforcing degree bounds in the range 1..=supported_degree. Read more

fn open<'a>(
    ck: &Self::CommitterKey, 
    labeled_polynomials: impl IntoIterator<Item = &'a LabeledPolynomial<E::Fr>>, 
    _commitments: impl IntoIterator<Item = &'a LabeledCommitment<Self::Commitment>>, 
    point: E::Fr, 
    opening_challenge: E::Fr, 
    rands: impl IntoIterator<Item = &'a Self::Randomness>, 
    _rng: Option<&mut dyn RngCore>
) -> Result<Self::Proof, Self::Error> where
    Self::Randomness: 'a,
    Self::Commitment: 'a,

On input a list of labeled polynomials and a query point, open outputs a proof of evaluation of the polynomials at the query point. Read more

fn check<'a, R: RngCore>(
    vk: &Self::VerifierKey, 
    commitments: impl IntoIterator<Item = &'a LabeledCommitment<Self::Commitment>>, 
    point: E::Fr, 
    values: impl IntoIterator<Item = E::Fr>, 
    proof: &Self::Proof, 
    opening_challenge: E::Fr, 
    _rng: &mut R
) -> Result<bool, Self::Error> where
    Self::Commitment: 'a,

Verifies that values are the evaluations at point of the polynomials committed inside commitments. Read more

fn batch_check<'a, R: RngCore>(
    vk: &Self::VerifierKey, 
    commitments: impl IntoIterator<Item = &'a LabeledCommitment<Self::Commitment>>, 
    query_set: &QuerySet<'_, E::Fr>, 
    values: &Evaluations<'_, E::Fr>, 
    proof: &Self::BatchProof, 
    opening_challenge: E::Fr, 
    rng: &mut R
) -> Result<bool, Self::Error> where
    Self::Commitment: 'a,

Checks that values are the true evaluations at query_set of the polynomials committed in labeled_commitments. Read more

fn open_combinations<'a>(
    ck: &Self::CommitterKey, 
    lc_s: impl IntoIterator<Item = &'a LinearCombination<E::Fr>>, 
    polynomials: impl IntoIterator<Item = &'a LabeledPolynomial<E::Fr>>, 
    commitments: impl IntoIterator<Item = &'a LabeledCommitment<Self::Commitment>>, 
    query_set: &QuerySet<'_, E::Fr>, 
    opening_challenge: E::Fr, 
    rands: impl IntoIterator<Item = &'a Self::Randomness>, 
    rng: Option<&mut dyn RngCore>
) -> Result<BatchLCProof<E::Fr, Self>, Self::Error> where
    Self::Randomness: 'a,
    Self::Commitment: 'a,

On input a list of polynomials, linear combinations of those polynomials, and a query set, open_combination outputs a proof of evaluation of the combinations at the points in the query set. Read more

fn batch_open<'a>(
    ck: &Self::CommitterKey, 
    labeled_polynomials: impl IntoIterator<Item = &'a LabeledPolynomial<F>>, 
    commitments: impl IntoIterator<Item = &'a LabeledCommitment<Self::Commitment>>, 
    query_set: &QuerySet<'_, F>, 
    opening_challenge: F, 
    rands: impl IntoIterator<Item = &'a Self::Randomness>, 
    rng: Option<&mut dyn RngCore>
) -> Result<Self::BatchProof, Self::Error> where
    Self::Randomness: 'a,
    Self::Commitment: 'a,

On input a list of labeled polynomials and a query set, open outputs a proof of evaluation of the polynomials at the points in the query set. Read more

Auto Trait Implementations

impl<E> RefUnwindSafe for SonicKZG10<E> where
    E: RefUnwindSafe,

impl<E> Send for SonicKZG10<E>

impl<E> Sync for SonicKZG10<E>

impl<E> Unpin for SonicKZG10<E> where
    E: Unpin,

impl<E> UnwindSafe for SonicKZG10<E> where
    E: UnwindSafe,

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🔬 This is a nightly-only experimental API. (toowned_clone_into)

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