Add test-vectors from vc-di-eddsa spec.

package.json

@@ -25,7 +25,7 @@
     "@digitalbazaar/ed25519-verification-key-2018": "^4.0.0",
     "@digitalbazaar/ed25519-verification-key-2020": "^4.1.0",
     "@digitalbazaar/multikey-context": "^2.0.1",
-    "@digitalbazaar/security-document-loader": "^2.0.0",
+    "@digitalbazaar/security-document-loader": "^3.0.0",
     "c8": "^7.11.3",
     "chai": "^4.3.6",
     "cross-env": "^7.0.3",

test/documentLoader.js

@@ -1,5 +1,5 @@
 /*!
- * Copyright (c) 2023 Digital Bazaar, Inc. All rights reserved.
+ * Copyright (c) 2023-2024 Digital Bazaar, Inc. All rights reserved.
  */
 import {
   controllerDocEd25519Multikey,
@@ -30,3 +30,40 @@ loader.addStatic(
   multikeyContext.constants.CONTEXT_URL,
   multikeyContext.contexts.get(multikeyContext.constants.CONTEXT_URL)
 );
+
+loader.addStatic(
+  'https://www.w3.org/ns/credentials/examples/v2',
+  {
+    '@context': {
+      '@vocab': 'https://www.w3.org/ns/credentials/examples#'
+    }
+  }
+);
+
+// controller document for test vectors
+loader.addStatic(
+  'https://vc.example/issuers/5678',
+  {
+    '@context': [
+      'https://www.w3.org/ns/did/v1',
+      'https://w3id.org/security/multikey/v1'
+    ],
+    id: 'https://vc.example/issuers/5678',
+    assertionMethod: {
+      id: 'https://vc.example/issuers/5678#z6MkrJVnaZkeFzdQyMZu1cgjg7k1pZZ6pvBQ7XJPt4swbTQ2',
+      type: 'Multikey',
+      controller: 'https://vc.example/issuers/5678',
+      publicKeyMultibase: 'z6MkrJVnaZkeFzdQyMZu1cgjg7k1pZZ6pvBQ7XJPt4swbTQ2'
+    }
+  }
+);
+loader.addStatic(
+  'https://vc.example/issuers/5678#z6MkrJVnaZkeFzdQyMZu1cgjg7k1pZZ6pvBQ7XJPt4swbTQ2',
+  {
+    '@context': 'https://w3id.org/security/multikey/v1',
+    id: 'https://vc.example/issuers/5678#z6MkrJVnaZkeFzdQyMZu1cgjg7k1pZZ6pvBQ7XJPt4swbTQ2',
+    type: 'Multikey',
+    controller: 'https://vc.example/issuers/5678',
+    publicKeyMultibase: 'z6MkrJVnaZkeFzdQyMZu1cgjg7k1pZZ6pvBQ7XJPt4swbTQ2'
+  }
+);

test/test-vectors.js

@@ -0,0 +1,61 @@
+/*!
+ * Copyright (c) 2023-2024 Digital Bazaar, Inc. All rights reserved.
+ */
+/* Note: This file contains data generated from the vc-di-eddsa specification
+test vectors. */
+
+/* eslint-disable max-len */
+/* eslint-disable quote-props */
+/* eslint-disable quotes */
+export const keyMaterial = {
+  "publicKeyMultibase": "z6MkrJVnaZkeFzdQyMZu1cgjg7k1pZZ6pvBQ7XJPt4swbTQ2",
+  "secretKeyMultibase": "z3u2en7t5LR2WtQH5PfFqMqwVHBeXouLzo6haApm8XHqvjxq"
+};
+
+// public key above converted to multikey format + controller doc:
+export const publicKey = {
+  '@context': 'https://w3id.org/security/multikey/v1',
+  id: 'did:key:z6MkrJVnaZkeFzdQyMZu1cgjg7k1pZZ6pvBQ7XJPt4swbTQ2#z6MkrJVnaZkeFzdQyMZu1cgjg7k1pZZ6pvBQ7XJPt4swbTQ2',
+  type: 'Multikey',
+  controller: 'did:key:z6MkrJVnaZkeFzdQyMZu1cgjg7k1pZZ6pvBQ7XJPt4swbTQ2',
+  publicKeyMultibase: 'z6MkrJVnaZkeFzdQyMZu1cgjg7k1pZZ6pvBQ7XJPt4swbTQ2'
+};
+export const controllerDoc = {
+  '@context': [
+    'https://www.w3.org/ns/did/v1',
+    'https://w3id.org/security/multikey/v1'
+  ],
+  id: publicKey.controller,
+  assertionMethod: [publicKey]
+};
+
+export const signedFixture = {
+  "@context": [
+    "https://www.w3.org/ns/credentials/v2",
+    "https://www.w3.org/ns/credentials/examples/v2"
+  ],
+  "id": "urn:uuid:58172aac-d8ba-11ed-83dd-0b3aef56cc33",
+  "type": [
+    "VerifiableCredential",
+    "AlumniCredential"
+  ],
+  "name": "Alumni Credential",
+  "description": "A minimum viable example of an Alumni Credential.",
+  "issuer": "https://vc.example/issuers/5678",
+  "validFrom": "2023-01-01T00:00:00Z",
+  "credentialSubject": {
+    "id": "did:example:abcdefgh",
+    "alumniOf": "The School of Examples"
+  },
+  "proof": {
+    "type": "DataIntegrityProof",
+    "cryptosuite": "eddsa-rdfc-2022",
+    "created": "2023-02-24T23:36:38Z",
+    "verificationMethod": "https://vc.example/issuers/5678#z6MkrJVnaZkeFzdQyMZu1cgjg7k1pZZ6pvBQ7XJPt4swbTQ2",
+    "proofPurpose": "assertionMethod",
+    "proofValue": "z21EVs3eXERqTn4acNHT9viboqgzUaQ3kTmhPT3eA8qrVPE7CrQq78WkzctnMX5W4CrzcKnHw8V6dvy5pgWYCU5e9"
+  }
+};
+/* eslint-enable quotes */
+/* eslint-enable quote-props */
+/* eslint-enable max-len */

test/test-vectors.spec.js

@@ -0,0 +1,66 @@
+/*!
+ * Copyright (c) 2023-2024 Digital Bazaar, Inc. All rights reserved.
+ */
+import * as Ed25519Multikey from '@digitalbazaar/ed25519-multikey';
+import {cryptosuite} from '../lib/index.js';
+import {DataIntegrityProof} from '@digitalbazaar/data-integrity';
+import {expect} from 'chai';
+import jsigs from 'jsonld-signatures';
+import {loader} from './documentLoader.js';
+
+import * as testVectors from './test-vectors.js';
+
+const {purposes: {AssertionProofPurpose}} = jsigs;
+
+const documentLoader = loader.build();
+
+describe('test vectors', () => {
+  let keyPair;
+  before(async () => {
+    const {keyMaterial} = testVectors;
+    keyPair = await Ed25519Multikey.from(keyMaterial);
+    keyPair.controller = `did:key:${keyPair.publicKeyMultibase}`;
+    keyPair.id = `${keyPair.controller}#${keyPair.publicKeyMultibase}`;
+
+    // FIXME: test fixture should be updated to use `did:key`
+    keyPair.controller = 'https://vc.example/issuers/5678';
+    keyPair.id = keyPair.controller +
+      '#z6MkrJVnaZkeFzdQyMZu1cgjg7k1pZZ6pvBQ7XJPt4swbTQ2';
+  });
+
+  it('should create proof', async () => {
+    const {signedFixture} = testVectors;
+    const unsigned = {...signedFixture};
+    delete unsigned.proof;
+
+    const signer = keyPair.signer();
+    const date = new Date(signedFixture.proof.created);
+
+    let error;
+    let signed;
+    try {
+      signed = await jsigs.sign(unsigned, {
+        suite: new DataIntegrityProof({cryptosuite, signer, date}),
+        purpose: new AssertionProofPurpose(),
+        documentLoader
+      });
+    } catch(e) {
+      error = e;
+    }
+
+    expect(error).to.not.exist;
+    expect(signed).to.deep.equal(signedFixture);
+  });
+
+  it('should verify signed fixture', async () => {
+    const {signedFixture} = testVectors;
+
+    const result = await jsigs.verify(signedFixture, {
+      suite: new DataIntegrityProof({cryptosuite}),
+      purpose: new AssertionProofPurpose(),
+      documentLoader
+    });
+
+    expect(result.verified).to.be.true;
+  });
+});