Module commitment 

Cryptographic commitments for zero-knowledge proofs and challenge-response.

This module provides commitment schemes used in the bandwidth proof protocol:

• Hash-based commitments (Pedersen-style)
• Challenge-response protocols
• Proof-of-possession for chunk data

Structs

BandwidthProofCommitment

Bandwidth proof commitment for challenge-response protocol.

ChunkChallenge

Challenge for requesting proof of chunk possession.

ChunkPossessionProof

Proof of possession for chunk data.

CommitmentOpening

Opening value for a commitment.

KeyPossessionProof

Proof-of-possession for a signing key (proves knowledge of secret key).

Enums

CommitmentError

Commitment error types.

Functions

commit

Create a cryptographic commitment to a value.

generate_challenge

Generate a random challenge nonce.

verify_commitment

Verify a commitment opening.

Type Aliases

Commitment

Commitment value (256 bits).