Skip to content

Latest commit

 

History

History
84 lines (66 loc) · 4.67 KB

examples-jwt.md

File metadata and controls

84 lines (66 loc) · 4.67 KB
Raw

Examples

Verifiable Credentials with JSON Web Tokens:

Example Verifiable Credential

eyJhbGciOiJFZERTQSJ9.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.GDpCOlxiZ2isBQn151i5Pj2e-kUgkNg_wzxCPAfxLxtdOz4fpDimg81mNw3LsnO0G56AOTvD4SuzSQyj1cP3Bg

JWT Payload:

{
  "sub": "did:example:ebfeb1f712ebc6f1c276e12ec21",
  "nbf": 1560711419,
  "iss": "did:example:76e12ec712ebc6f1c221ebfeb1f",
  "exp": 1560797819,
  "vc": {
    "@context": [
      "https://www.w3.org/2018/credentials/v1",
      "https://www.w3.org/2018/credentials/examples/v1"
    ],
    "type": [
      "VerifiableCredential",
      "UniversityDegreeCredential"
    ],
    "credentialSubject": {
      "college": "Test University",
      "degree": {
        "name": "Bachelor of Science and Arts",
        "type": "BachelorDegree"
      }
    }
  },
  "jti": "http://example.edu/credentials/3732"
}

Example code (signing)

Map<String, Object> claims = new LinkedHashMap<>();
Map<String, Object> degree = new LinkedHashMap<String, Object>();
degree.put("name", "Bachelor of Science and Arts");
degree.put("type", "BachelorDegree");
claims.put("college", "Test University");
claims.put("degree", degree);

CredentialSubject credentialSubject = CredentialSubject.builder()
        .id(URI.create("did:example:ebfeb1f712ebc6f1c276e12ec21"))
        .claims(claims)
        .build();

VerifiableCredential verifiableCredential = VerifiableCredential.builder()
        .context(VerifiableCredentialContexts.JSONLD_CONTEXT_W3C_2018_CREDENTIALS_EXAMPLES_V1)
        .type("UniversityDegreeCredential")
        .id(URI.create("http://example.edu/credentials/3732"))
        .issuer(URI.create("did:example:76e12ec712ebc6f1c221ebfeb1f"))
        .issuanceDate(JsonLDUtils.stringToDate("2019-06-16T18:56:59Z"))
        .expirationDate(JsonLDUtils.stringToDate("2019-06-17T18:56:59Z"))
        .credentialSubject(credentialSubject)
        .build();

byte[] testEd25519PrivateKey = Hex.decodeHex("984b589e121040156838303f107e13150be4a80fc5088ccba0b0bdc9b1d89090de8777a28f8da1a74e7a13090ed974d879bf692d001cddee16e4cc9f84b60580".toCharArray());

JwtVerifiableCredential jwtVerifiableCredential = ToJwtConverter.toJwtVerifiableCredential(verifiableCredential);

String jwtPayload = jwtVerifiableCredential.getPayload().toString();
System.out.println(jwtPayload);

String jwtString = jwtVerifiableCredential.sign_Ed25519_EdDSA(testEd25519PrivateKey);
System.out.println(jwtString);

Example code (verifying)

byte[] testEd25519PublicKey = Hex.decodeHex("de8777a28f8da1a74e7a13090ed974d879bf692d001cddee16e4cc9f84b60580".toCharArray());

String jwt = "eyJhbGciOiJFZERTQSJ9.eyJzdWIiOiJkaWQ6ZXhhbXBsZTplYmZlYjFmNzEyZWJjNmYxYzI3NmUxMmVjMjEiLCJuYmYiOjE1NjA3MTE0MTksImlzcyI6ImRpZDpleGFtcGxlOjc2ZTEyZWM3MTJlYmM2ZjFjMjIxZWJmZWIxZiIsImV4cCI6MTU2MDc5NzgxOSwidmMiOnsiQGNvbnRleHQiOlsiaHR0cHM6Ly93d3cudzMub3JnLzIwMTgvY3JlZGVudGlhbHMvdjEiLCJodHRwczovL3d3dy53My5vcmcvMjAxOC9jcmVkZW50aWFscy9leGFtcGxlcy92MSJdLCJ0eXBlIjpbIlZlcmlmaWFibGVDcmVkZW50aWFsIiwiVW5pdmVyc2l0eURlZ3JlZUNyZWRlbnRpYWwiXSwiY3JlZGVudGlhbFN1YmplY3QiOnsiY29sbGVnZSI6IlRlc3QgVW5pdmVyc2l0eSIsImRlZ3JlZSI6eyJuYW1lIjoiQmFjaGVsb3Igb2YgU2NpZW5jZSBhbmQgQXJ0cyIsInR5cGUiOiJCYWNoZWxvckRlZ3JlZSJ9fX0sImp0aSI6Imh0dHA6Ly9leGFtcGxlLmVkdS9jcmVkZW50aWFscy8zNzMyIn0.GDpCOlxiZ2isBQn151i5Pj2e-kUgkNg_wzxCPAfxLxtdOz4fpDimg81mNw3LsnO0G56AOTvD4SuzSQyj1cP3Bg";
JwtVerifiableCredential jwtVerifiableCredential = JwtVerifiableCredential.fromCompactSerialization(jwt);
System.out.println(jwtVerifiableCredential.verify_Ed25519_EdDSA(testEd25519PublicKey));

String jwtPayload = jwtVerifiableCredential.getPayload().toString();
String jwtPayloadVerifiableCredential = jwtVerifiableCredential.getPayloadObject().toJson(true);
System.out.println(jwtPayload);
System.out.println(jwtPayloadVerifiableCredential);

VerifiableCredential verifiableCredential = FromJwtConverter.fromJwtVerifiableCredential(jwtVerifiableCredential);
System.out.println(verifiableCredential.toJson(true));