Files
zk-kit/packages/protocols
Omar Desogus 105495e009 Merge pull request #13 from appliedzkp/fix/identity_multipart_secret
fix: identity multipart secret updates & nrln tests
Former-commit-id: 5f048bc3bc0101f8502e4a6400ea6e31f391d204 [formerly f0a497122e9f38fb39cbedf608d0e47c41343fdc] [formerly e69985781526c91cf043eaf62e78abc9225c92ff [formerly 7b7280c12e]]
Former-commit-id: e84bf85741fd5289cd309da47cabaa3075d78c9f [formerly be6fc7e9f457419b2336fefa1dca7a105685aec9]
Former-commit-id: 06c1e532152f477de0cba77ec56c6884590ed470
2022-01-20 18:02:05 +01:00
..
2022-01-16 22:01:59 +01:00
2022-01-20 14:05:43 +01:00

ZK protocols

Client library for generating and verifying Semaphore & RLN ZK proofs.

Github license NPM version Downloads npm bundle size (scoped) Linter eslint Code style prettier


🛠 Install

npm or yarn

Install the @zk-kit/protocols package with npm:

npm i @zk-kit/protocols

or yarn:

yarn add @zk-kit/protocols

📜 Usage

Import

import { ZkIdentity, Identity } from "@zk-kit/identity"
import {
  Semaphore,
  MerkleProof,
  IProof,
  generateMerkleProof,
  genExternalNullifier,
  genSignalHash
} from "@zk-kit/protocols"
const { ZkIdentity } = require("@zk-kit/identity")
const { Semaphore, Rln, NRln, generateMerkleProof, genExternalNullifier, genSignalHash } = require("@zk-kit/protocols")

Merkle Proofs Generate merkle proof for your identity given the array of registered identity commitments

const identityCommitments: Array<bigint> = [...];
const identity: ZkIdentity = new ZkIdentity();
const identityCommitment: bigint = identity.genIdentityCommitment();

const merkleProof: MerkleProof = generateMerkleProof(TREE_DEPTH, ZERO_VALUE, NUMBER_OF_LEAVES_PER_NODE, identityCommitments, identityCommitment);

Semaphore

In order to create semaphore proof, make sure to

const witness = Semaphore.genWitness(identity, merkleProof, externalNullifier, signal)
const fullProof = await Semaphore.genProof(witness, wasmFilePath, finalZkeyPath)

📜 Final Note

For full examples of how to integrate with contracts check https://github.com/appliedzkp/semaphore repository.

For additional info check tests directory.