Module transcript

This module contains utilities and traits for dealing with Fiat-Shamir transcripts.

Structs

Blake2bRead

We will replace BLAKE2b with an algebraic hash function in a later version.

Blake2bWrite

We will replace BLAKE2b with an algebraic hash function in a later version.

Challenge255

A 255-bit challenge.

ChallengeScalar

The scalar representation of a verifier challenge.

Keccak256Read

Keccak256 hash function reader for EVM compatibility

Keccak256Write

Keccak256 hash function writer for EVM compatibility

Traits

EncodedChallenge

EncodedChallenge<C> defines a challenge encoding with a Self::Input that is used to derive the challenge encoding and get_challenge obtains the real C::Scalar that the challenge encoding represents.

Transcript

Generic transcript view (from either the prover or verifier’s perspective)

TranscriptRead

Transcript view from the perspective of a verifier that has access to an input stream of data from the prover to the verifier.

TranscriptReadBuffer

Initializes transcript at verifier side.

TranscriptWrite

Transcript view from the perspective of a prover that has access to an output stream of messages from the prover to the verifier.

TranscriptWriterBuffer

Manages begining and finising of transcript pipeline.