Examples of java.security.KeyPair

java.security.KeyPair
This class is a simple holder for a key pair (a public key and a private key). It does not enforce any security, and, when initialized, should be treated like a PrivateKey. @see PublicKey @see PrivateKey @version 1.16 05/11/17 @author Benjamin Renaud

     * 
     * @throws Exception
     */
    public static void generateKeys(String privateKeyFileName,String publicKeyFileName) throws Exception {


        KeyPair keys = SOSKeyGenerator.createKeys();


        if (keys != null) {
            SOSKeyGenerator.saveKeyPair(keys,privateKeyFileName,publicKeyFileName);
        } else {
            throw new Exception("Keys are empty");

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            //initialize(int keysize, SecureRandom random)


            generator.initialize(SOSKeyGenerator.keyLenght, new SecureRandom());
            //generator.initialize(this.keyLenght);


            KeyPair keys = generator.generateKeyPair();


            return keys;
        } catch (NoClassDefFoundError e) {
            throw new Exception("no such Definition : " + e);
        } catch (java.security.NoSuchProviderException e) {

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    System.arraycopy(inputBuffer, clientDHOffset, outgoingPublicKey, 0, KEY_LENGTH);    
    //get the servers dh offset
    int serverDHOffset = getDHOffset(handshakeBytes);
    //create keypair
    KeyPair keys = generateKeyPair();
    //get public key
    incomingPublicKey = getPublicKey(keys);
    //add to handshake bytes
    System.arraycopy(incomingPublicKey, 0, handshakeBytes, serverDHOffset, KEY_LENGTH);
  }

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   * Creates a Diffie-Hellman key pair.
   * 
   * @return dh keypair
   */
  protected KeyPair generateKeyPair() {
    KeyPair keyPair = null;
    DHParameterSpec keySpec = new DHParameterSpec(DH_MODULUS, DH_BASE);
    try {
      KeyPairGenerator keyGen = KeyPairGenerator.getInstance("DH");
      keyGen.initialize(keySpec);
      keyPair = keyGen.generateKeyPair();
      keyAgreement = KeyAgreement.getInstance("DH");
      keyAgreement.init(keyPair.getPrivate());
    } catch (Exception e) {
      JFLog.log("Error generating keypair", e);
    }
    return keyPair;
  }

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        DocumentBuilder builder = XMLUtils.createDocumentBuilder(false);
        Document document = builder.parse(sourceDocument);
        
        // Set up the Key
        KeyPairGenerator rsaKeygen = KeyPairGenerator.getInstance("RSA");
        KeyPair kp = rsaKeygen.generateKeyPair();
        PrivateKey priv = kp.getPrivate();
        PublicKey pub = kp.getPublic();


        // Generate a traffic key
        KeyGenerator keygen = KeyGenerator.getInstance("AES");
        keygen.init(256);
        SecretKey secretKey = keygen.generateKey();

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        DocumentBuilder builder = XMLUtils.createDocumentBuilder(false);
        Document document = builder.parse(sourceDocument);
        
        // Set up the Key
        KeyPairGenerator rsaKeygen = KeyPairGenerator.getInstance("RSA");
        KeyPair kp = rsaKeygen.generateKeyPair();
        PrivateKey priv = kp.getPrivate();
        PublicKey pub = kp.getPublic();


        // Generate a traffic key
        KeyGenerator keygen = KeyGenerator.getInstance("AES");
        keygen.init(256);
        SecretKey secretKey = keygen.generateKey();

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        DocumentBuilder builder = XMLUtils.createDocumentBuilder(false);
        Document document = builder.parse(sourceDocument);


        // Set up the Key
        KeyPairGenerator rsaKeygen = KeyPairGenerator.getInstance("RSA");
        KeyPair kp = rsaKeygen.generateKeyPair();
        PrivateKey priv = kp.getPrivate();
        PublicKey pub = kp.getPublic();


        // Generate a traffic key
        KeyGenerator keygen = KeyGenerator.getInstance("AES");
        keygen.init(256);
        SecretKey secretKey = keygen.generateKey();

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    public OA4MPResponse requestCert(Map additionalParameters) {
        if (additionalParameters == null) {
            additionalParameters = new HashMap();
        }
        try {
            KeyPair keyPair = generateKeyPair();
            PKCS10CertificationRequest certReq = createCertRequest(keyPair);
            OA4MPResponse mpdsResponse = new OA4MPResponse();
            mpdsResponse.setPrivateKey(keyPair.getPrivate());
            additionalParameters.put(ClientEnvironment.CERT_REQUEST_KEY, Base64.encodeBase64String(certReq.getDEREncoded()));


            if (additionalParameters.get(getEnvironment().getConstants().get(CALLBACK_URI_KEY)) == null) {
                additionalParameters.put(getEnvironment().getConstants().get(CALLBACK_URI_KEY), getEnvironment().
                        getCallback().toString());

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                sendSamlRedirect(base64EncodedResponse, signMessage, samlRequestOrResponse, privateKey, endpoint, response);
            } else {
                if (signMessage) {
                    PublicKey publicKey = samlEntityBean.get().getSigningKey().getCertificate().getPublicKey();
                    PrivateKey privateKey = samlEntityBean.get().getSigningKey().getPrivateKey();
                    signatureUtilForPostBinding.sign(message, new KeyPair(publicKey, privateKey));
                }
                byte[] messageBytes = SamlUtils.getDocumentAsString(message).getBytes("UTF-8");


                String base64EncodedMessage = Base64.encodeBytes(messageBytes, Base64.DONT_BREAK_LINES);

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        KeyStore keyStore = KeyStore.getInstance(KeyStore.getDefaultType());
        keyStore.load(keyStoreStream, "store456".toCharArray());
        X509Certificate certificate = (X509Certificate) keyStore.getCertificate("servercert");
        PublicKey publicKey = certificate.getPublicKey();
        PrivateKey privateKey = (PrivateKey) keyStore.getKey("servercert", "pass456".toCharArray());
        keyPair = new KeyPair(publicKey, privateKey);
    }

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