Package com.nimbusds.jose

Examples of com.nimbusds.jose.JWSObject

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    KeyPair keyPair = createECKeyPair(EC384SPEC);
    ECPublicKey publicKey = (ECPublicKey) keyPair.getPublic();
    ECPrivateKey privateKey = (ECPrivateKey) keyPair.getPrivate();

    // 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());

    // Initialise verifier
    BigInteger x = publicKey.getW().getAffineX();
    BigInteger y = publicKey.getW().getAffineY();
    JWSVerifier verifier = new ECDSAVerifier(x, y);

    boolean verified = jwsObject.verify(verifier);

    assertTrue("EC384 signature verified", verified);
  }
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    KeyPair keyPair = createECKeyPair(EC512SPEC);
    ECPublicKey publicKey = (ECPublicKey) keyPair.getPublic();
    ECPrivateKey privateKey = (ECPrivateKey) keyPair.getPrivate();

    // Creates initial unsigned JWS object
    JWSObject jwsObject = createInitialJWSObject(JWSAlgorithm.ES512);

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

    jwsObject.sign(signer);

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

    // Initialise verifier
    BigInteger x = publicKey.getW().getAffineX();
    BigInteger y = publicKey.getW().getAffineY();
    JWSVerifier verifier = new ECDSAVerifier(x, y);

    boolean verified = jwsObject.verify(verifier);

    assertTrue("EC512 signature verified", verified);
  }
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    KeyPair keyPair = createECKeyPair(EC512SPEC);
    ECPublicKey publicKey = (ECPublicKey) keyPair.getPublic();
    ECPrivateKey privateKey = (ECPrivateKey) keyPair.getPrivate();

    JWSObject jwsObject = new JWSObject(header, new Payload("Hello world!"));

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

    jwsObject.sign(signer);

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

    BigInteger x = publicKey.getW().getAffineX();
    BigInteger y = publicKey.getW().getAffineY();
    JWSVerifier verifier = new ECDSAVerifier(x, y);
    verifier.getIgnoredCriticalHeaderParameters().add("exp");

    boolean verified = jwsObject.verify(verifier);

    assertTrue("Verified signature", verified);

    assertEquals("State check", JWSObject.State.VERIFIED, jwsObject.getState());
  }
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    KeyPair keyPair = createECKeyPair(EC512SPEC);
    ECPublicKey publicKey = (ECPublicKey) keyPair.getPublic();
    ECPrivateKey privateKey = (ECPrivateKey) keyPair.getPrivate();

    JWSObject jwsObject = new JWSObject(header, new Payload("Hello world!"));

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

    jwsObject.sign(signer);

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

    BigInteger x = publicKey.getW().getAffineX();
    BigInteger y = publicKey.getW().getAffineY();
    JWSVerifier verifier = new ECDSAVerifier(x, y);

    boolean verified = jwsObject.verify(verifier);

    assertFalse("Verified signature", verified);

    assertEquals("State check", JWSObject.State.SIGNED, jwsObject.getState());
  }
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    JWSHeader header = JWSHeader.parse(B64_HEADER);

    assertEquals("RS256 alg check", JWSAlgorithm.RS256, header.getAlgorithm());

    JWSObject jwsObject = new JWSObject(header, PAYLOAD);

    assertEquals("State check", JWSObject.State.UNSIGNED, jwsObject.getState());


    RSASSASigner signer = new RSASSASigner(PRIVATE_KEY);
    assertNotNull("Private key check", signer.getPrivateKey());

    jwsObject.sign(signer);

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


    RSASSAVerifier verifier = new RSASSAVerifier(PUBLIC_KEY);
    assertNotNull("Public key check", verifier.getPublicKey());

    boolean verified = jwsObject.verify(verifier);

    assertTrue("Verified signature", verified);

    assertEquals("State check", JWSObject.State.VERIFIED, jwsObject.getState());
  }
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  public void testParseAndVerify()
    throws Exception {

    String s = B64_HEADER.toString() + "." + PAYLOAD.toBase64URL().toString() + "." + B64_SIG.toString();

    JWSObject jwsObject = JWSObject.parse(s);

    assertEquals(s, jwsObject.getParsedString());

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

    JWSVerifier verifier = new RSASSAVerifier(PUBLIC_KEY);

    boolean verified = jwsObject.verify(verifier);

    assertTrue("Signature check", verified);

    assertEquals("State check", JWSObject.State.VERIFIED, jwsObject.getState());
  }
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  public void testVerifyTruncatedSignature()
    throws Exception {

    String s = B64_HEADER.toString() + "." + PAYLOAD.toBase64URL().toString() + "." + B64_SIG.toString().substring(0, 100);

    JWSObject jwsObject = JWSObject.parse(s);

    assertEquals(s, jwsObject.getParsedString());

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

    JWSVerifier verifier = new RSASSAVerifier(PUBLIC_KEY);

    boolean verified = jwsObject.verify(verifier);

    assertFalse("Signature check", verified);
  }
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  public void testVerifyBadSignatureOfExpectedLength()
    throws Exception {

    String s = B64_HEADER.toString() + "." + PAYLOAD.toBase64URL().toString() + "." + transpose(B64_SIG.toString());

    JWSObject jwsObject = JWSObject.parse(s);

    assertEquals(s, jwsObject.getParsedString());

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

    JWSVerifier verifier = new RSASSAVerifier(PUBLIC_KEY);

    boolean verified = jwsObject.verify(verifier);

    assertFalse("Signature check", verified);
  }
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  public void testSignAndVerifyCycle(final JWSAlgorithm alg, final JWSSigner signer, final JWSVerifier verifier)
    throws Exception {

    JWSHeader header = new JWSHeader(alg);

    JWSObject jwsObject = new JWSObject(header, PAYLOAD);

    assertEquals("State check", JWSObject.State.UNSIGNED, jwsObject.getState());

    jwsObject.sign(signer);

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

    assertTrue("Verify signature", jwsObject.verify(verifier));

    assertEquals("State check", JWSObject.State.VERIFIED, jwsObject.getState());

    // Verify from serialised and then parsed JWS
    jwsObject = JWSObject.parse(jwsObject.serialize());

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

    assertTrue("Verify signature", jwsObject.verify(verifier));

    assertEquals("State check", JWSObject.State.VERIFIED, jwsObject.getState());
  }
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    // 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
    jwsObject.sign(signer);

    assertTrue(jwsObject.getState().equals(JWSObject.State.SIGNED));

    // To serialize to compact form, produces something like
    // eyJhbGciOiJSUzI1NiJ9.SW4gUlNBIHdlIHRydXN0IQ.IRMQENi4nJyp4er2L
    // mZq3ivwoAjqa1uUkSBKFIX7ATndFF5ivnt-m8uApHO4kfIFOrW7w2Ezmlg3Qd
    // maXlS9DhN0nUk_hGI3amEjkKd0BWYCB8vfUbUv0XGjQip78AI4z1PrFRNidm7
    // -jPDm5Iq0SZnjKjCNS5Q15fokXZc8u0A
    String s = jwsObject.serialize();

    // To parse the JWS and verify it, e.g. on client-side
    jwsObject = JWSObject.parse(s);

    JWSVerifier verifier = new RSASSAVerifier(publicKey);

    assertTrue(jwsObject.verify(verifier));

    assertEquals("In RSA we trust!", jwsObject.getPayload().toString());
  }
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  • JWSExample
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