halo2_axiom::poly::kzg::commitment

Struct KZGCommitmentScheme

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pub struct KZGCommitmentScheme<E: Engine> { /* private fields */ }
Expand description

Umbrella commitment scheme construction for all KZG variants

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impl<E: Engine + Debug> CommitmentScheme for KZGCommitmentScheme<E>
where E::G1Affine: SerdeCurveAffine<ScalarExt = E::Fr, CurveExt = E::G1>, E::G2Affine: SerdeCurveAffine,

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type Scalar = <E as Engine>::Fr

Application field of this commitment scheme
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type Curve = <E as Engine>::G1Affine

Elliptic curve used to commit the application and witnesses
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type ParamsProver = ParamsKZG<E>

Constant prover parameters
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type ParamsVerifier = ParamsKZG<E>

Constant verifier parameters
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fn new_params(k: u32) -> Self::ParamsProver

Wrapper for parameter generator
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fn read_params<R: Read>(reader: &mut R) -> Result<Self::ParamsProver>

Wrapper for parameter reader
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impl<E: Debug + Engine> Debug for KZGCommitmentScheme<E>

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

Formats the value using the given formatter. Read more
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impl<'params, E> Guard<KZGCommitmentScheme<E>> for GuardKZG<'params, E>
where E: MultiMillerLoop + Debug, E::G1Affine: SerdeCurveAffine<ScalarExt = E::Fr, CurveExt = E::G1>, E::G2Affine: SerdeCurveAffine,

Define accumulator type as DualMSM

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type MSMAccumulator = DualMSM<'params, E>

Multi scalar engine which is not evaluated yet.
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impl<'params, E: Engine + Debug> Prover<'params, KZGCommitmentScheme<E>> for ProverGWC<'params, E>
where E::G1Affine: SerdeCurveAffine<ScalarExt = E::Fr, CurveExt = E::G1>, E::G2Affine: SerdeCurveAffine,

Create a multi-opening proof

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fn create_proof<'com, Ch: EncodedChallenge<E::G1Affine>, T: TranscriptWrite<E::G1Affine, Ch>, R, I>( &self, _: R, transcript: &mut T, queries: I, ) -> Result<()>
where I: IntoIterator<Item = ProverQuery<'com, E::G1Affine>> + Clone, R: RngCore,

Create a multi-opening proof

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const QUERY_INSTANCE: bool = false

Query instance or not
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fn new(params: &'params ParamsKZG<E>) -> Self

Creates new prover instance
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impl<'params, E: Engine + Debug> Prover<'params, KZGCommitmentScheme<E>> for ProverSHPLONK<'params, E>
where E::G1Affine: SerdeCurveAffine<ScalarExt = E::Fr, CurveExt = E::G1>, E::G2Affine: SerdeCurveAffine, E::Fr: Hash,

Create a multi-opening proof

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fn create_proof<'com, Ch: EncodedChallenge<E::G1Affine>, T: TranscriptWrite<E::G1Affine, Ch>, R, I>( &self, _: R, transcript: &mut T, queries: I, ) -> Result<()>
where I: IntoIterator<Item = ProverQuery<'com, E::G1Affine>> + Clone, R: RngCore,

Create a multi-opening proof

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const QUERY_INSTANCE: bool = false

Query instance or not
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fn new(params: &'params ParamsKZG<E>) -> Self

Creates new prover instance
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impl<'params, E: MultiMillerLoop + Debug, V: Verifier<'params, KZGCommitmentScheme<E>, MSMAccumulator = DualMSM<'params, E>, Guard = GuardKZG<'params, E>>> VerificationStrategy<'params, KZGCommitmentScheme<E>, V> for AccumulatorStrategy<'params, E>
where E::G1Affine: SerdeCurveAffine<ScalarExt = E::Fr, CurveExt = E::G1>, E::G2Affine: SerdeCurveAffine,

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type Output = AccumulatorStrategy<'params, E>

The output type of this verification strategy after processing a proof.
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fn new(params: &'params ParamsKZG<E>) -> Self

Creates new verification strategy instance
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fn process( self, f: impl FnOnce(V::MSMAccumulator) -> Result<V::Guard, Error>, ) -> Result<Self::Output, Error>

Obtains an MSM from the verifier strategy and yields back the strategy’s output.
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fn finalize(self) -> bool

Finalizes the batch and checks its validity. Read more
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impl<'params, E: MultiMillerLoop + Debug, V: Verifier<'params, KZGCommitmentScheme<E>, MSMAccumulator = DualMSM<'params, E>, Guard = GuardKZG<'params, E>>> VerificationStrategy<'params, KZGCommitmentScheme<E>, V> for SingleStrategy<'params, E>
where E::G1Affine: SerdeCurveAffine<ScalarExt = E::Fr, CurveExt = E::G1>, E::G2Affine: SerdeCurveAffine,

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type Output = ()

The output type of this verification strategy after processing a proof.
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fn new(params: &'params ParamsKZG<E>) -> Self

Creates new verification strategy instance
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fn process( self, f: impl FnOnce(V::MSMAccumulator) -> Result<V::Guard, Error>, ) -> Result<Self::Output, Error>

Obtains an MSM from the verifier strategy and yields back the strategy’s output.
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fn finalize(self) -> bool

Finalizes the batch and checks its validity. Read more
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impl<'params, E> Verifier<'params, KZGCommitmentScheme<E>> for VerifierGWC<'params, E>
where E: MultiMillerLoop + Debug, E::G1Affine: SerdeCurveAffine<ScalarExt = E::Fr, CurveExt = E::G1>, E::G2Affine: SerdeCurveAffine,

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const QUERY_INSTANCE: bool = false

Query instance or not
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type Guard = GuardKZG<'params, E>

Unfinalized verification result. This is returned in verification to allow developer to compress or combined verification results
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type MSMAccumulator = DualMSM<'params, E>

Accumulator fot comressed verification
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fn new(params: &'params ParamsKZG<E>) -> Self

Creates new verifier instance
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fn verify_proof<'com, Ch: EncodedChallenge<E::G1Affine>, T: TranscriptRead<E::G1Affine, Ch>, I>( &self, transcript: &mut T, queries: I, msm_accumulator: DualMSM<'params, E>, ) -> Result<Self::Guard, Error>
where I: IntoIterator<Item = VerifierQuery<'com, E::G1Affine, MSMKZG<E>>> + Clone,

Process the proof and returns unfinished result named Guard
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impl<'params, E> Verifier<'params, KZGCommitmentScheme<E>> for VerifierSHPLONK<'params, E>
where E: MultiMillerLoop + Debug, E::G1Affine: SerdeCurveAffine<ScalarExt = E::Fr, CurveExt = E::G1>, E::G2Affine: SerdeCurveAffine, E::Fr: Hash,

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fn verify_proof<'com, Ch: EncodedChallenge<E::G1Affine>, T: TranscriptRead<E::G1Affine, Ch>, I>( &self, transcript: &mut T, queries: I, msm_accumulator: DualMSM<'params, E>, ) -> Result<Self::Guard, Error>
where I: IntoIterator<Item = VerifierQuery<'com, E::G1Affine, MSMKZG<E>>> + Clone,

Verify a multi-opening proof

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const QUERY_INSTANCE: bool = false

Query instance or not
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type Guard = GuardKZG<'params, E>

Unfinalized verification result. This is returned in verification to allow developer to compress or combined verification results
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type MSMAccumulator = DualMSM<'params, E>

Accumulator fot comressed verification
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fn new(params: &'params ParamsKZG<E>) -> Self

Creates new verifier instance

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