secp256k1 key did provider

This is a DID Provider which implements EIP2844 for did:key: using secp256k1. It does not support encryption / JWE. It is based on key-did-provider-ed25519 and was designed to be used with Ceramic.

Installation

npm install --save key-did-provider-secp256k1

Usage

import { Secp256k1Provider } from 'key-did-provider-secp256k1'
import KeyResolver from 'key-did-resolver'
import { DID } from 'dids'

const seed = new Uint8Array(...) //  32 bytes with high entropy
const provider = new Secp256k1Provider(seed)
const did = new DID({ provider, resolver: KeyResolver.getResolver() })
await did.authenticate()

// log the DID
console.log(did.id)

// create JWS
const { jws, linkedBlock } = await did.createDagJWS({ hello: 'world' })

// verify JWS
await did.verifyJWS(jws)

License

Apache-2.0 OR MIT