Examples of java.security.KeyStore

java.security.KeyStore
user password and file input stream char[] password = getPassword(); java.io.FileInputStream fis = null; try { fis = new java.io.FileInputStream("keyStoreName"); ks.load(fis, password); } finally { if (fis != null) { fis.close(); } } To create an empty keystore using the above load method, pass null as the InputStream argument.
Once the keystore has been loaded, it is possible to read existing entries from the keystore, or to write new entries into the keystore:
```
 // get my private key KeyStore.PrivateKeyEntry pkEntry = (KeyStore.PrivateKeyEntry) ks.getEntry("privateKeyAlias", password); PrivateKey myPrivateKey = pkEntry.getPrivateKey(); // save my secret key javax.crypto.SecretKey mySecretKey; KeyStore.SecretKeyEntry skEntry = new KeyStore.SecretKeyEntry(mySecretKey); ks.setEntry("secretKeyAlias", skEntry,  new KeyStore.PasswordProtection(password)); // store away the keystore java.io.FileOutputStream fos = null; try { fos = new java.io.FileOutputStream("newKeyStoreName"); ks.store(fos, password); } finally { if (fos != null) { fos.close(); } } 
```
Note that although the same password may be used to load the keystore, to protect the private key entry, to protect the secret key entry, and to store the keystore (as is shown in the sample code above), different passwords or other protection parameters may also be used. @author Jan Luehe @version 1.53, 07/28/06 @see java.security.PrivateKey @see javax.crypto.SecretKey @see java.security.cert.Certificate @since 1.2

    if (socketFactory == null) {
      try {
        char[] pass =  AgentServer.getProperty(PASS, "changeit").toCharArray();
        String keyFile = AgentServer.getProperty(KEYFILE, ".keystore");
 
        KeyStore ks = KeyStore.getInstance("JKS");
        ks.load(new FileInputStream(keyFile), pass);


        TrustManagerFactory tmf = TrustManagerFactory.getInstance("SunX509");
        tmf.init(ks);


        SSLContext ctx = SSLContext.getInstance("TLS");

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    if (serverSocketFactory == null) {
      try {
        char[] pass =  AgentServer.getProperty(PASS, "changeit").toCharArray();
        String keyFile = AgentServer.getProperty(KEYFILE, ".keystore");
 
        KeyStore ks = KeyStore.getInstance("JKS");
        ks.load(new FileInputStream(keyFile), pass);


        KeyManagerFactory kmf = KeyManagerFactory.getInstance("SunX509");
        kmf.init(ks, pass);


        SSLContext ctx = SSLContext.getInstance("TLS");

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    if (logger.isLoggable(BasicLevel.DEBUG))
      logger.log(BasicLevel.DEBUG,
                 "SSLTcpProxyService.createSocketFactory : keystoreFile=" + keystoreFile);
    
    KeyStore keystore = KeyStore.getInstance(ksType);
    keystore.load(new FileInputStream(keystoreFile),keyStorePass);
    
    KeyManagerFactory kmf = KeyManagerFactory.getInstance("SunX509");
    kmf.init(keystore,keyStorePass);
    
    TrustManagerFactory tmf = TrustManagerFactory.getInstance("SunX509");

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        }


        InputStream keystoreInputStream = null;


        KeyManager[] keyManagers=null;
        KeyStore keyStore = null;
        try
        {
            if (_keystore!=null)
            {
                keystoreInputStream=Resource.newResource(_keystore).getInputStream();
                keyStore = KeyStore.getInstance(_keystoreType);
                keyStore.load(keystoreInputStream,_password==null?null:_password.toString().toCharArray());
            }
        }
        finally
        {
            if (keystoreInputStream != null)
                keystoreInputStream.close();
        }


        KeyManagerFactory keyManagerFactory=KeyManagerFactory.getInstance(_sslKeyManagerFactoryAlgorithm);
        keyManagerFactory.init(keyStore,_keyPassword==null?(_password==null?null:_password.toString().toCharArray()):_keyPassword.toString().toCharArray());
        keyManagers=keyManagerFactory.getKeyManagers();




        TrustManager[] trustManagers=null;
        InputStream truststoreInputStream = null;
        KeyStore trustStore = null;
        try
        {
            if (_truststore!=null)
            {
                truststoreInputStream = Resource.newResource(_truststore).getInputStream();
                trustStore=KeyStore.getInstance(_truststoreType);
                trustStore.load(truststoreInputStream,_trustPassword==null?null:_trustPassword.toString().toCharArray());
            }
        }
        finally
        {
            if (truststoreInputStream != null)

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    name = "SSLNetwork#" + AgentServer.getServerId();


    char[] pass =  AgentServer.getProperty(PASS, "changeit").toCharArray();
    String keyFile = AgentServer.getProperty(KEYFILE, ".keystore");


    KeyStore keystore = KeyStore.getInstance(AgentServer.getProperty(KTYPE, "JKS"));
    keystore.load(new FileInputStream(keyFile), pass);


    KeyManagerFactory kmf = KeyManagerFactory.getInstance("SunX509");
    kmf.init(keystore, pass);


    TrustManagerFactory tmf = TrustManagerFactory.getInstance("SunX509");

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    if (logger.isLoggable(BasicLevel.DEBUG))
      logger.log(BasicLevel.DEBUG,
                 "SSLTcpProxyService.createServerSocketFactory:" + keystoreFile + ':' + new String(keyStorePass));


    KeyStore keystore = KeyStore.getInstance(ksType);
    keystore.load(new FileInputStream(keystoreFile), keyStorePass);


    KeyManagerFactory kmf = KeyManagerFactory.getInstance("SunX509");
    kmf.init(keystore,keyStorePass);


    TrustManagerFactory tmf = TrustManagerFactory.getInstance("SunX509");

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    if (!f.exists()) {
      throw new IllegalStateException("The keystore file named '" + f + "' was not found.");
    }


    // Gets the keystore instance
    KeyStore keyStore = null;
    try {
      keyStore = KeyStore.getInstance(KeyStore.getDefaultType());
    } catch (KeyStoreException e) {
      throw new IllegalStateException("Error while getting a keystore ':" + e.getMessage());
    }


    // Load the keystore file
    try {
      keyStore.load(new BufferedInputStream(new FileInputStream(f)), keystorePass.toCharArray());
    } catch (NoSuchAlgorithmException e) {
      throw new IllegalStateException("Error while loading the keystore file '" + f + "'." + e.getMessage());
    } catch (CertificateException e) {
      throw new IllegalStateException("Error while loading the keystore file '" + f + "'." + e.getMessage());
    } catch (FileNotFoundException e) {
      throw new IllegalStateException("Error while loading the keystore file '" + f + "'." + e.getMessage());
    } catch (IOException e) {
      throw new IllegalStateException("Error while loading the keystore file '" + f + "'." + e.getMessage());
    }


    // Get certificate
    Certificate cert;
    try {
      cert = keyStore.getCertificate(alias);
    } catch (KeyStoreException e) {
      throw new IllegalStateException("Error while getting the alias '" + alias + "' in the keystore file '" + keystoreFile + "':" + e.getMessage());
    }


    // set the public key

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     */
    public static SymmetricCryptor getSymmectricCryptor(URL keyResource) throws CryptoException, IOException {
    ArgCheck.isNotNull(keyResource);
    InputStream stream = keyResource.openStream();
    try {
        KeyStore store = KeyStore.getInstance("JCEKS"); //$NON-NLS-1$
        store.load(stream, DEFAULT_STORE_PASSWORD.toCharArray());
        Key key = store.getKey(DEFAULT_ALIAS, DEFAULT_STORE_PASSWORD.toCharArray());
        return new SymmetricCryptor(key);
        } catch (GeneralSecurityException e) {
            throw new CryptoException(e);
    } finally {
      stream.close();

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    private static void saveKey(String file, SecretKey key) throws CryptoException, IOException {
      ArgCheck.isNotNull(file);
      FileOutputStream fos = new FileOutputStream(file);
      try {
          KeyStore store = KeyStore.getInstance("JCEKS"); //$NON-NLS-1$
          store.load(null,null);
        store.setKeyEntry(DEFAULT_ALIAS, key, DEFAULT_STORE_PASSWORD.toCharArray(),null);
        store.store(fos, DEFAULT_STORE_PASSWORD.toCharArray());
      } catch (GeneralSecurityException e) {
        throw new CryptoException(e);
      } finally {
        fos.close();
      }

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          // doesn't look very empty, bail!
        
        return;
      }
      
      KeyStore keystore = getTrustStore();
      
      if ( keystore.size() == 0 ){
        
        File cacerts = new File( new File( new File( System.getProperty( "java.home" ), "lib" ), "security" ), "cacerts" );
        
        if ( cacerts.exists()){

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