@pathcheck/bbs-jxt-sdk
v0.1.8
Published
Verifiable QR SDK for BBS+ Vaccination Credentials with JSON-XT
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Verifiable QR SDK for BBS+ on JSON-XT Credentials
JavaScript Implementation of W3C Verifiable QR Credentials with BBS+ and minimization to a QR code with JSON-XT.
Install
npm install @pathcheck/bbs-jxt-sdk --saveUsage
1. Generating Keys
Generate private and public keys with the provided script:
npm explore @pathcheck/bbs-jxt-sdk -- npm run-script keys <YOUR_DOMAIN> <YOUR_KEY_NAME> <YOUR_CONTROLLER_NAME>Example:
npm explore @pathcheck/bbs-jxt-sdk -- npm run-script keys PCF.PW 1A10 WEB1Returns:
/*******************************************************************************
Here are your SECRET keys. Key this private and use it to sign new packages.
*******************************************************************************/
{
id: 'did:web:PCF.PW:1A10#WEB1',
controller: 'did:web:PCF.PW:1A10',
privateKeyBase58: '3AmVDMSEiZ9s79fCrHHhTuYMGSfeHvbZ92NhMh3AqrxW',
publicKeyBase58: 'yX1rjAqqRhUk8BTgVDdFn9buUZ59pmRpJouc8raqAXztwooW3Gs7Fsy8GhDWUdZkdEFjdDbGk925zMSQ6xkrCbwzUrDnzpe8sPLB7gi15Gva4zRN77GiqRgDLtjRDVkXmmv'
}
/***************************************************************************************************
Here are your PUBLIC DID document. Save this part as a .json and upload it to PCF.PW/1A10/did.json
****************************************************************************************************/
{
'@context': 'https://w3id.org/security/v2',
id: 'did:web:PCF.PW:1A10',
assertionMethod: [
{
id: 'did:web:PCF.PW:1A10#WEB1',
controller: 'did:web:PCF.PW:1A10',
publicKeyBase58: 'yX1rjAqqRhUk8BTgVDdFn9buUZ59pmRpJouc8raqAXztwooW3Gs7Fsy8GhDWUdZkdEFjdDbGk925zMSQ6xkrCbwzUrDnzpe8sPLB7gi15Gva4zRN77GiqRgDLtjRDVkXmmv'
}
],
authentication: [
{
id: 'did:web:PCF.PW:1A10#WEB1',
controller: 'did:web:PCF.PW:1A10',
publicKeyBase58: 'yX1rjAqqRhUk8BTgVDdFn9buUZ59pmRpJouc8raqAXztwooW3Gs7Fsy8GhDWUdZkdEFjdDbGk925zMSQ6xkrCbwzUrDnzpe8sPLB7gi15Gva4zRN77GiqRgDLtjRDVkXmmv'
}
]
}2. Uploading Public Keys
Copy the second segment (PUBLIC DID DOCUMENT) as a JSON file to your domain/controllerName/did.json
{
"@context": "https://w3id.org/security/v2",
"id": "did:web:PCF.PW:1A10",
"assertionMethod": [
{
"id": "did:web:PCF.PW:1A10#WEB1",
"controller": "did:web:PCF.PW:1A10",
"publicKeyBase58": "yX1rjAqqRhUk8BTgVDdFn9buUZ59pmRpJouc8raqAXztwooW3Gs7Fsy8GhDWUdZkdEFjdDbGk925zMSQ6xkrCbwzUrDnzpe8sPLB7gi15Gva4zRN77GiqRgDLtjRDVkXmmv"
}
],
"authentication": [
{
"id": "did:web:PCF.PW:1A10#WEB1",
"controller": "did:web:PCF.PW:1A10",
"publicKeyBase58": "yX1rjAqqRhUk8BTgVDdFn9buUZ59pmRpJouc8raqAXztwooW3Gs7Fsy8GhDWUdZkdEFjdDbGk925zMSQ6xkrCbwzUrDnzpe8sPLB7gi15Gva4zRN77GiqRgDLtjRDVkXmmv"
}
]
}The DID:WEB Resolver will point to that address (e.g. http://pcf.pw/1A10/did.json) to download your public keys and verify the package.
3. Preparing to Sign
With the keys:
const keyPair = {
id: 'did:web:PCF.PW:1A10#WEB1',
controller: 'did:web:PCF.PW:1A10',
privateKeyBase58: '3AmVDMSEiZ9s79fCrHHhTuYMGSfeHvbZ92NhMh3AqrxW',
publicKeyBase58: 'yX1rjAqqRhUk8BTgVDdFn9buUZ59pmRpJouc8raqAXztwooW3Gs7Fsy8GhDWUdZkdEFjdDbGk925zMSQ6xkrCbwzUrDnzpe8sPLB7gi15Gva4zRN77GiqRgDLtjRDVkXmmv'
}And a JSON-LD Payload (We are using EU's Digital COVID Certificate, version 1.2.0, as an example)
const TEST_PAYLOAD = {
"@context": ["https://www.w3.org/2018/credentials/v1", "https://w3id.org/dgc/v1", "https://w3id.org/security/bbs/v1"],
"type": ["VerifiableCredential"],
"credentialSubject": {
"@context": ["https://w3id.org/dgc/v1"],
"type": "DGCCertificate",
"personalInformation": {
"@context": ["https://w3id.org/dgc/v1"],
"type": "DGCSubject",
"familyName": "d'Arsøns - van Halen",
"givenName": "François-Joan",
"stdFamilyName": "DARSONS<VAN<HALEN",
"stdGivenName": "FRANCOIS<JOAN",
"birthDate": "2009-02-28"
},
"proofOfRecovery": [{
"@context": ["https://w3id.org/dgc/v1"],
"type": "DGCProofOfRecovery",
"id": "urn:uvci:01:NL:LSP/REC/1289821",
"issuerName": "Ministry of VWS",
"countryOfTest": "NL",
"infectionInformation": {
"@context": ["https://w3id.org/dgc/v1"],
"type": "DGCInfectionInformation",
"diseaseRecoveredFrom": "840539006",
"dateFirstPositive": "2021-04-21",
"validFrom": "2021-05-01",
"validUntil": "2021-10-21"
}
}],
"proofOfVaccination": [{
"@context": ["https://w3id.org/dgc/v1"],
"type": "DGCProofOfVaccination",
"id": "urn:uvci:01:NL:PlA8UWS60Z4RZXVALl6GAZ",
"issuerName": "Ministry of VWS",
"countryOfVaccination": "NL",
"vaccinationInformation": {
"@context": ["https://w3id.org/dgc/v1"],
"type": "DGCVaccinationInformation",
"diseaseProtectedFrom": "840539006",
"prophylaxis": "1119349007",
"dateOfVaccination": "2021-05-05",
"dose": 1,
"totalDoses": 2,
"marketingAuthHolder": "ORG-100030215",
"medicinalProductName": "EU/1/20/1528"
}
}, {
"@context": ["https://w3id.org/dgc/v1"],
"type": "DGCProofOfVaccination",
"id": "urn:uvci:01:NL:ATS342XDYS358FDFH3GTK5",
"issuerName": "Ministry of VWS",
"countryOfVaccination": "NL",
"vaccinationInformation": {
"@context": ["https://w3id.org/dgc/v1"],
"type": "DGCVaccinationInformation",
"diseaseProtectedFrom": "840539006",
"prophylaxis": "1119349007",
"dateOfVaccination": "2021-05-25",
"dose": 2,
"totalDoses": 2,
"marketingAuthHolder": "ORG-100030215",
"medicinalProductName": "EU/1/20/1528"
}
}],
"proofOfCovidTest": [{
"@context": ["https://w3id.org/dgc/v1"],
"type": "DGCProofOfCovidTest",
"id": "urn:uvci:01:NL:GGD/81AAH16AZ",
"issuerName": "Ministry of VWS",
"countryOfTestAdminstration": "NL",
"testInformation": {
"@context": ["https://w3id.org/dgc/v1"],
"type": "DGCTestInformation",
"diseaseTestedFrom": "840539006",
"testName": "COVID PCR",
"testManufacturer": "1232",
"testType": "LP217198-3",
"sampleCollectionDateTime": "2021-02-13T14:20:00Z",
"testResult": "260415000",
"testCenter": "GGD Fryslân, L-Heliconweg"
}
}, {
"@context": ["https://w3id.org/dgc/v1"],
"type": "DGCProofOfCovidTest",
"id": "urn:uvci:01:NL:GGD/23BBS36BC",
"issuerName": "Ministry of VWS",
"countryOfTestAdminstration": "NL",
"testInformation": {
"@context": ["https://w3id.org/dgc/v1"],
"type": "DGCTestInformation",
"diseaseTestedFrom": "840539006",
"testName": "NAAT TEST",
"testManufacturer": "1343",
"testType": "LP6464-4",
"sampleCollectionDateTime": "2021-04-13T14:20:00Z",
"testResult": "260373001",
"testCenter": "GGD Fryslân, L-Heliconweg"
}
}]
}
};Call the signAndPack function to create the URI for the QR Code:
const {signAndPack, unpackAndVerify} = require('@pathcheck/bbs-jxt-sdk');
const qrUri = await signAndPack(TEST_PAYLOAD, keyPair);And call the unpack and verify to convert the URI into the payload:
const jsonld = await unpackAndVerify(qrUri);Development
npm installTest
npm test