Struct halo2_backend::transcript::Keccak256Write

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pub struct Keccak256Write<W: Write, C: CurveAffine, E: EncodedChallenge<C>> { /* private fields */ }
Expand description

Keccak256 hash function writer for EVM compatibility

Trait Implementations§

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impl<W: Clone + Write, C: Clone + CurveAffine, E: Clone + EncodedChallenge<C>> Clone for Keccak256Write<W, C, E>

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fn clone(&self) -> Keccak256Write<W, C, E>

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl<W: Debug + Write, C: Debug + CurveAffine, E: Debug + EncodedChallenge<C>> Debug for Keccak256Write<W, C, 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<W: Write, C: CurveAffine> Transcript<C, Challenge255<C>> for Keccak256Write<W, C, Challenge255<C>>
where C::Scalar: FromUniformBytes<64>,

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fn squeeze_challenge(&mut self) -> Challenge255<C>

Squeeze an encoded verifier challenge from the transcript.
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fn common_point(&mut self, point: C) -> Result<()>

Writing the point to the transcript without writing it to the proof, treating it as a common input.
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fn common_scalar(&mut self, scalar: C::Scalar) -> Result<()>

Writing the scalar to the transcript without writing it to the proof, treating it as a common input.
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fn squeeze_challenge_scalar<T>(&mut self) -> ChallengeScalar<C, T>

Squeeze a typed challenge (in the scalar field) from the transcript.
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impl<W: Write, C: CurveAffine> TranscriptWrite<C, Challenge255<C>> for Keccak256Write<W, C, Challenge255<C>>
where C::Scalar: FromUniformBytes<64>,

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fn write_point(&mut self, point: C) -> Result<()>

Write a curve point to the proof and the transcript.
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fn write_scalar(&mut self, scalar: C::Scalar) -> Result<()>

Write a scalar to the proof and the transcript.
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impl<W: Write, C: CurveAffine> TranscriptWriterBuffer<W, C, Challenge255<C>> for Keccak256Write<W, C, Challenge255<C>>
where C::Scalar: FromUniformBytes<64>,

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fn init(writer: W) -> Self

Initialize a transcript given an output buffer.

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fn finalize(self) -> W

Conclude the interaction and return the output buffer (writer).

Auto Trait Implementations§

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impl<W, C, E> Freeze for Keccak256Write<W, C, E>
where W: Freeze,

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impl<W, C, E> RefUnwindSafe for Keccak256Write<W, C, E>
where W: RefUnwindSafe, C: RefUnwindSafe, E: RefUnwindSafe,

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impl<W, C, E> Send for Keccak256Write<W, C, E>
where W: Send, E: Send,

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impl<W, C, E> Sync for Keccak256Write<W, C, E>
where W: Sync, E: Sync,

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impl<W, C, E> Unpin for Keccak256Write<W, C, E>
where W: Unpin, C: Unpin, E: Unpin,

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impl<W, C, E> UnwindSafe for Keccak256Write<W, C, E>
where W: UnwindSafe, C: UnwindSafe, E: UnwindSafe,

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where T: 'static + ?Sized,

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