3id-resolver

3ID Resolver

This library is intended to resolve 3ID DID documents. 3ID is a thin identity protocol that uses ipfs and ethereum to publish and rotate the cryptographic keys used by an identity.

It supports the proposed Decentralized Identifiers spec from the W3C Credentials Community Group.

It requires the did-resolver library, which is the primary interface for resolving DIDs.

Resolving a DID document

The resolver presents a simple resolver() function that returns a ES6 Promise returning the DID document.

import resolve from 'did-resolver'
import registerResolver from '3id-resolver'

registerResolver(ipfs)

resolve('did:3:QmRhjfL4HLdB8LovGf1o43NJ8QnbfqmpdnTuBvZTewnuBV').then(doc => console.log)

// You can also use ES7 async/await syntax
const doc = await resolve('did:muport:zdpuAt4qH8ur3vHpVrP1xb7rtJuyVUVbRiGatkkVcJZRgAXDf')

Result:

{
  '@context': 'https://w3id.org/did/v1',
  id: 'did:3:zdpuAt4qH8ur3vHpVrP1xb7rtJuyVUVbRiGatkkVcJZRgAXDf',
  publicKeys: [ {
    id: 'did:3:zdpuAt4qH8ur3vHpVrP1xb7rtJuyVUVbRiGatkkVcJZRgAXDf#signingKey',
    type: 'Secp256k1VerificationKey2018',
    publicKeyHex: '03fdd57adec3d438ea237fe46b33ee1e016eda6b585c3e27ea66686c2ea5358479'
  }, {
    id: 'did:3:zdpuAt4qH8ur3vHpVrP1xb7rtJuyVUVbRiGatkkVcJZRgAXDf#encryptionKey',
    type: 'Curve25519EncryptionPublicKey',
    publicKeyBase64: 'fake encryptionKey'
  }, {
    id: 'did:3:zdpuAt4qH8ur3vHpVrP1xb7rtJuyVUVbRiGatkkVcJZRgAXDf#managementKey',
    type: 'Secp256k1VerificationKey2018',
    ethereumAddress: 'fake eth addr'
  }],
  authentication: [{
    type: 'Secp256k1SignatureAuthentication2018',
    publicKey: 'did:3:zdpuAt4qH8ur3vHpVrP1xb7rtJuyVUVbRiGatkkVcJZRgAXDf#signingKey'
  }]
}