Examples of JWSSigner

com.nimbusds.jose.JWSSigner
Interface for signing JSON Web Signature (JWS) objects.
Callers can query the signer to determine its algorithm capabilities. @author Vladimir Dzhuvinov @version $version$ (2014-07-08)

Examples of com.nimbusds.jose.JWSSigner

  public void signJwt(SignedJWT jwt) {
    if (getDefaultSignerKeyId() == null) {
      throw new IllegalStateException("Tried to call default signing with no default signer ID set");
    }


    JWSSigner signer = signers.get(getDefaultSignerKeyId());


    try {
      jwt.sign(signer);
    } catch (JOSEException e) {

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Examples of com.nimbusds.jose.JWSSigner

  }


  @Override
  public void signJwt(SignedJWT jwt, JWSAlgorithm alg) {


    JWSSigner signer = null;


    for (JWSSigner s : signers.values()) {
      if (s.supportedAlgorithms().contains(alg)) {
        signer = s;
        break;

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Examples of com.nimbusds.jose.JWSSigner


    // Create JWS object
    JWSObject jwsObject = new JWSObject(header, new Payload(jwtClaims.toJSONObject()));


    // Create HMAC signer
    JWSSigner signer = new MACSigner(SHARED_KEY.getBytes());


    try {
      jwsObject.sign(signer);
    } catch(com.nimbusds.jose.JOSEException e) {
      System.err.println("Error signing JWT: " + e.getMessage());

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Examples of com.nimbusds.jose.JWSSigner

    SecureRandom random = new SecureRandom();
    byte[] sharedSecret = new byte[32];
    random.nextBytes(sharedSecret);


    // Create HMAC signer
    JWSSigner signer = new MACSigner(sharedSecret);


    // Prepare JWS object with "Hello, world!" payload
    JWSObject jwsObject = new JWSObject(new JWSHeader(JWSAlgorithm.HS256), new Payload("Hello, world!"));


    // Apply the HMAC

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Examples of com.nimbusds.jose.JWSSigner

  public void testSignWithReadyVector()
    throws Exception {


    JWSHeader header = JWSHeader.parse(b64header);


    JWSSigner signer = new MACSigner(sharedSecret);


    Base64URL b64sigComputed = signer.sign(header, signable);


    assertEquals("Signature check", b64sig, b64sigComputed);
  }

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Examples of com.nimbusds.jose.JWSSigner

  public void testSignWithReadyVector()
    throws Exception {


    JWSHeader header = JWSHeader.parse(B64_HEADER);


    JWSSigner signer = new RSASSASigner(PRIVATE_KEY);


    Base64URL b64sigComputed = signer.sign(header, SIGNABLE);


    assertEquals("Signature check", B64_SIG, b64sigComputed);
  }

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Examples of com.nimbusds.jose.JWSSigner

    KeyPair kp = keyGenerator.genKeyPair();
    RSAPublicKey publicKey = (RSAPublicKey)kp.getPublic();
    RSAPrivateKey privateKey = (RSAPrivateKey)kp.getPrivate();


    // Create RSA-signer with the private key
    JWSSigner signer = new RSASSASigner(privateKey);


    // Prepare JWS object with simple string as payload
    JWSObject jwsObject = new JWSObject(new JWSHeader(JWSAlgorithm.RS256), new Payload("In RSA we trust!"));


    // Compute the RSA signature

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Examples of com.nimbusds.jose.JWSSigner

    RSAPublicKey rsaPublicKey = (RSAPublicKey)keyPair.getPublic();
    RSAPrivateKey rsaPrivateKey = (RSAPrivateKey)keyPair.getPrivate();


    // Create signer from raw Java RSA key
    JWSObject jwsObject1 = new JWSObject(new JWSHeader(JWSAlgorithm.RS256), new Payload("test123"));
    JWSSigner signer = new RSASSASigner(rsaPrivateKey);
    jwsObject1.sign(signer);
    Base64URL sig1 = jwsObject1.getSignature();


    // Create signer from JWK representation
    RSAKey rsaJWK = new RSAKey.Builder(rsaPublicKey).privateKey(rsaPrivateKey).build();

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Examples of com.nimbusds.jose.JWSSigner


    // Creates initial unsigned JWS object
    JWSObject jwsObject = createInitialJWSObject(JWSAlgorithm.ES256);


    // Initialise signer
    JWSSigner signer = new ECDSASigner(privateKey.getS());


    jwsObject.sign(signer);


    assertEquals(JWSObject.State.SIGNED, jwsObject.getState());

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Examples of com.nimbusds.jose.JWSSigner


    // Creates initial unsigned JWS object
    JWSObject jwsObject = createInitialJWSObject(JWSAlgorithm.ES384);


    // Initialise signer
    JWSSigner signer = new ECDSASigner(privateKey.getS());


    jwsObject.sign(signer);


    assertEquals(JWSObject.State.SIGNED, jwsObject.getState());

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