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Merge pull request #320 from docknetwork/feat/bbs-jsonld
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,134 @@ | ||
| import VerifiableCredential from '../src/verifiable-credential'; | ||
| import { MultiResolver } from '../src/resolver'; | ||
| import Bls12381G2KeyPairDock2022 from '../src/utils/vc/crypto/Bls12381G2KeyPairDock2022'; | ||
|
|
||
| const keypairOpts = { | ||
| "id": "did:example:489398593#keys-1", | ||
| "controller": "did:example:489398593", | ||
| "privateKeyBase58": "23fKPbbSJ7tCJVDYynRZQ1wPs6GannD2dEMjKZnFtKxy", | ||
| "publicKeyBase58": "GzJYyMYXQyAdmRK3JcfQnHJtz5TyRiYyYtfj6SZD9LQ4zDapQ3qeC1AaBwCtzhQ8En6EGiLe7ke2RaeLNTxJ9GVompK6j6kHB8e5m2ya5qdCB2bbNMVii99QfmYsbj36J3B" | ||
| }; | ||
|
|
||
| class ExampleDIDResolver { | ||
| async resolve(did) { | ||
| if (did.indexOf('#keys-1') !== -1) { | ||
| return { | ||
| ...keypairOpts, | ||
| privateKeyBase58: undefined, | ||
| }; | ||
| } | ||
| return { | ||
| "@context": "https://w3id.org/security/v2", | ||
| "id": did, | ||
| "assertionMethod": [`${did}#keys-1`] | ||
| }; | ||
| } | ||
| } | ||
|
|
||
| const resolver = new MultiResolver({ | ||
| example: new ExampleDIDResolver(), | ||
| }); | ||
|
|
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| const residentCardSchema = { | ||
| "$schema": "http://json-schema.org/draft-07/schema#", | ||
| "$id": "https://ld.dock.io/examples/resident-card-schema.json", | ||
| "title": "Resident Card Example", | ||
| "type": "object", | ||
| "properties": { | ||
| "credentialSubject": { | ||
| "type": "object", | ||
| "properties": { | ||
| "givenName": { | ||
| "title": "Given Name", | ||
| "type": "string" | ||
| }, | ||
| "familyName": { | ||
| "title": "Family Name", | ||
| "type": "string" | ||
| }, | ||
| "lprNumber": { | ||
| "title": "LPR Number", | ||
| "type": "integer", | ||
| "minimum": 0 | ||
| } | ||
| }, | ||
| "required": [] | ||
| } | ||
| } | ||
| }; | ||
|
|
||
| const embeddedSchema = { | ||
| id: `data:application/json;charset=utf-8,${encodeURIComponent(JSON.stringify(residentCardSchema))}`, | ||
| type: 'JsonSchemaValidator2018', | ||
| }; | ||
|
|
||
| // Defining schema allows to specify custom encoding | ||
| const example = { | ||
| "@context": [ | ||
| "https://www.w3.org/2018/credentials/v1", | ||
| "https://w3id.org/citizenship/v1", | ||
| "https://ld.dock.io/security/bbs/v1" | ||
| ], | ||
| "id": "https://issuer.oidp.uscis.gov/credentials/83627465", | ||
| "type": ["VerifiableCredential", "PermanentResidentCard"], | ||
| "issuer": { | ||
| "id": "did:example:489398593" | ||
| }, | ||
| "credentialSchema": embeddedSchema, | ||
| "identifier": "83627465", | ||
| "name": "Permanent Resident Card", | ||
| "description": "Government of Example Permanent Resident Card.", | ||
| "issuanceDate": "2019-12-03T12:19:52Z", | ||
| "expirationDate": "2029-12-03T12:19:52Z", | ||
| "credentialSubject": { | ||
| "id": "did:example:b34ca6cd37bbf23", | ||
| "type": ["PermanentResident", "Person"], | ||
| "givenName": "JOHN", | ||
| "familyName": "SMITH", | ||
| "lprNumber": 1234, | ||
| } | ||
| }; | ||
|
|
||
| async function signAndVerify(credentialJSON) { | ||
| // Incrementally build a verifiable credential | ||
| const credential = new VerifiableCredential(); | ||
| credential.setFromJSON(credentialJSON); | ||
| credential.setIssuer(keypairOpts.controller); | ||
|
|
||
| // Create the keypair | ||
| const keyPair = new Bls12381G2KeyPairDock2022(keypairOpts); | ||
|
|
||
| // Sign and print the results | ||
| console.log('Signing credential:', JSON.stringify(credential.toJSON(), null, 2)); | ||
| await credential.sign({ keypair: keyPair, type: keyPair.type }); | ||
| console.log('Signed credential:', JSON.stringify(credential.toJSON(), null, 2)); | ||
|
|
||
| // Verify the credential | ||
| const verifyResult = await credential.verify({ | ||
| resolver, | ||
| forceRevocationCheck: false, | ||
| }); | ||
|
|
||
| if (verifyResult.verified) { | ||
| console.log('Credential has been verified!', verifyResult.results); | ||
| } else { | ||
| throw verifyResult.error; | ||
| } | ||
|
|
||
| return credential.toJSON(); | ||
| } | ||
|
|
||
| async function main() { | ||
| let exitCode = 0; | ||
| try { | ||
| await signAndVerify(example); | ||
| } catch (e) { | ||
| console.error(e); | ||
| exitCode = 1; | ||
| } | ||
|
|
||
| // Exit | ||
| process.exit(exitCode); | ||
| } | ||
|
|
||
| main(); |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,129 @@ | ||
| { | ||
| "@context": { | ||
| "@version": 1.1, | ||
| "id": "@id", | ||
| "type": "@type", | ||
| "BbsBlsSignature2020": { | ||
| "@id": "https://w3id.org/security#BbsBlsSignature2020", | ||
| "@context": { | ||
| "@version": 1.1, | ||
| "@protected": true, | ||
| "id": "@id", | ||
| "type": "@type", | ||
| "challenge": "https://w3id.org/security#challenge", | ||
| "created": { | ||
| "@id": "http://purl.org/dc/terms/created", | ||
| "@type": "http://www.w3.org/2001/XMLSchema#dateTime" | ||
| }, | ||
| "domain": "https://w3id.org/security#domain", | ||
| "proofValue": "https://w3id.org/security#proofValue", | ||
| "nonce": "https://w3id.org/security#nonce", | ||
| "proofPurpose": { | ||
| "@id": "https://w3id.org/security#proofPurpose", | ||
| "@type": "@vocab", | ||
| "@context": { | ||
| "@version": 1.1, | ||
| "@protected": true, | ||
| "id": "@id", | ||
| "type": "@type", | ||
| "assertionMethod": { | ||
| "@id": "https://w3id.org/security#assertionMethod", | ||
| "@type": "@id", | ||
| "@container": "@set" | ||
| }, | ||
| "authentication": { | ||
| "@id": "https://w3id.org/security#authenticationMethod", | ||
| "@type": "@id", | ||
| "@container": "@set" | ||
| } | ||
| } | ||
| }, | ||
| "verificationMethod": { | ||
| "@id": "https://w3id.org/security#verificationMethod", | ||
| "@type": "@id" | ||
| } | ||
| } | ||
| }, | ||
| "BbsBlsSignatureProof2020": { | ||
| "@id": "https://w3id.org/security#BbsBlsSignatureProof2020", | ||
| "@context": { | ||
| "@version": 1.1, | ||
| "@protected": true, | ||
| "id": "@id", | ||
| "type": "@type", | ||
|
|
||
| "challenge": "https://w3id.org/security#challenge", | ||
| "created": { | ||
| "@id": "http://purl.org/dc/terms/created", | ||
| "@type": "http://www.w3.org/2001/XMLSchema#dateTime" | ||
| }, | ||
| "domain": "https://w3id.org/security#domain", | ||
| "nonce": "https://w3id.org/security#nonce", | ||
| "proofPurpose": { | ||
| "@id": "https://w3id.org/security#proofPurpose", | ||
| "@type": "@vocab", | ||
| "@context": { | ||
| "@version": 1.1, | ||
| "@protected": true, | ||
| "id": "@id", | ||
| "type": "@type", | ||
| "sec": "https://w3id.org/security#", | ||
| "assertionMethod": { | ||
| "@id": "https://w3id.org/security#assertionMethod", | ||
| "@type": "@id", | ||
| "@container": "@set" | ||
| }, | ||
| "authentication": { | ||
| "@id": "https://w3id.org/security#authenticationMethod", | ||
| "@type": "@id", | ||
| "@container": "@set" | ||
| } | ||
| } | ||
| }, | ||
| "proofValue": "https://w3id.org/security#proofValue", | ||
| "verificationMethod": { | ||
| "@id": "https://w3id.org/security#verificationMethod", | ||
| "@type": "@id" | ||
| } | ||
| } | ||
| }, | ||
| "Bls12381G1Key2020": { | ||
| "@id": "https://w3id.org/security#Bls12381G1Key2020", | ||
| "@context": { | ||
| "@protected": true, | ||
| "id": "@id", | ||
| "type": "@type", | ||
| "controller": { | ||
| "@id": "https://w3id.org/security#controller", | ||
| "@type": "@id" | ||
| }, | ||
| "revoked": { | ||
| "@id": "https://w3id.org/security#revoked", | ||
| "@type": "http://www.w3.org/2001/XMLSchema#dateTime" | ||
| }, | ||
| "publicKeyBase58": { | ||
| "@id": "https://w3id.org/security#publicKeyBase58" | ||
| } | ||
| } | ||
| }, | ||
| "Bls12381G2Key2020": { | ||
| "@id": "https://w3id.org/security#Bls12381G2Key2020", | ||
| "@context": { | ||
| "@protected": true, | ||
| "id": "@id", | ||
| "type": "@type", | ||
| "controller": { | ||
| "@id": "https://w3id.org/security#controller", | ||
| "@type": "@id" | ||
| }, | ||
| "revoked": { | ||
| "@id": "https://w3id.org/security#revoked", | ||
| "@type": "http://www.w3.org/2001/XMLSchema#dateTime" | ||
| }, | ||
| "publicKeyBase58": { | ||
| "@id": "https://w3id.org/security#publicKeyBase58" | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } |
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