Example usage for java.security KeyStore getInstance

Introduction

In this page you can find the example usage for java.security KeyStore getInstance.

Prototype

public static KeyStore getInstance(String type) throws KeyStoreException

Source Link

Document

Returns a keystore object of the specified type.

Usage

From source file:Main.java

public static void main(String[] argv) throws Exception {
    FileInputStream is = new FileInputStream("your.keystore");

    KeyStore keystore = KeyStore.getInstance(KeyStore.getDefaultType());
    keystore.load(is, "my-keystore-password".toCharArray());

    // Get certificate
    java.security.cert.Certificate cert = keystore.getCertificate("myalias");
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    FileInputStream is = new FileInputStream("yourfile" + ".keystore");
    KeyStore keystore = KeyStore.getInstance(KeyStore.getDefaultType());
    String password = "my-keystore-password";
    keystore.load(is, password.toCharArray());

    Enumeration e = keystore.aliases();
    for (; e.hasMoreElements();) {
        String alias = (String) e.nextElement();

        boolean b = keystore.isKeyEntry(alias);

        b = keystore.isCertificateEntry(alias);
    }/* w ww .  j a  v  a2 s .  c o  m*/
    is.close();
}

From source file:MainClass.java

public static void main(String[] args) throws Exception {
    char[] passphrase = "password".toCharArray();
    KeyStore keystore = KeyStore.getInstance("JKS");
    keystore.load(new FileInputStream(".keystore"), passphrase);
    KeyManagerFactory kmf = KeyManagerFactory.getInstance("SunX509");
    kmf.init(keystore, passphrase);// w  ww .  ja v  a2s  .c o m
    SSLContext context = SSLContext.getInstance("TLS");
    KeyManager[] keyManagers = kmf.getKeyManagers();

    context.init(keyManagers, null, null);

    SSLServerSocketFactory ssf = context.getServerSocketFactory();
    ServerSocket ss = ssf.createServerSocket(PORT);

    Socket s = ss.accept();

    BufferedReader in = new BufferedReader(new InputStreamReader(s.getInputStream()));

    String line = null;
    while (((line = in.readLine()) != null)) {
        System.out.println(line);
    }
    in.close();
    s.close();
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    FileInputStream is = new FileInputStream("your.keystore");

    KeyStore keystore = KeyStore.getInstance(KeyStore.getDefaultType());
    keystore.load(is, "my-keystore-password".toCharArray());

    Enumeration e = keystore.aliases();
    for (; e.hasMoreElements();) {
        String alias = (String) e.nextElement();

        java.security.cert.Certificate cert = keystore.getCertificate(alias);
        if (cert instanceof X509Certificate) {
            X509Certificate x509cert = (X509Certificate) cert;

            // Get subject
            Principal principal = x509cert.getSubjectDN();
            String subjectDn = principal.getName();

            // Get issuer
            principal = x509cert.getIssuerDN();
            String issuerDn = principal.getName();
        }/* www  .ja va2  s . c o m*/
    }
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    FileInputStream is = new FileInputStream("your.keystore");

    KeyStore keystore = KeyStore.getInstance(KeyStore.getDefaultType());
    keystore.load(is, "my-keystore-password".toCharArray());

    String alias = "myalias";
    Certificate cert = keystore.getCertificate(alias);

    CertificateFactory certFact = CertificateFactory.getInstance("X.509");
    CertPath path = certFact.generateCertPath(Arrays.asList(new Certificate[] { cert }));

}

From source file:MainClass.java

public static void main(String args[]) throws Exception {
    char[] oldpass = args[0].toCharArray();
    char[] newpass = args[1].toCharArray();
    String name = "mykeystore";
    FileInputStream in = new FileInputStream(name);
    KeyStore ks = KeyStore.getInstance("JKS");
    ks.load(in, oldpass);//w w w .  j av  a 2  s . c o m
    in.close();
    FileOutputStream output = new FileOutputStream(name);
    ks.store(output, newpass);
    output.close();
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    FileInputStream is = new FileInputStream("your.keystore");

    KeyStore keystore = KeyStore.getInstance(KeyStore.getDefaultType());
    keystore.load(is, "my-keystore-password".toCharArray());

    String alias = "myalias";

    Key key = keystore.getKey(alias, "password".toCharArray());
    if (key instanceof PrivateKey) {
        // Get certificate of public key
        Certificate cert = keystore.getCertificate(alias);

        // Get public key
        PublicKey publicKey = cert.getPublicKey();

        // Return a key pair
        new KeyPair(publicKey, (PrivateKey) key);
    }/*from ww w  . j  av  a 2s  . c o m*/
}

From source file:MainClass.java

public static void main(String[] args) throws Exception {
    String keystoreFilename = "my.keystore";

    char[] password = "password".toCharArray();
    String alias = "alias";

    FileInputStream fIn = new FileInputStream(keystoreFilename);
    KeyStore keystore = KeyStore.getInstance("JKS");

    keystore.load(fIn, password);/*from  ww  w .j a va 2s . co  m*/

    Certificate cert = keystore.getCertificate(alias);

    System.out.println(cert);
}

From source file:MainClass.java

public static void main(String args[]) throws Exception {
    String storename = args[0];/*from   w  ww  .java 2  s . c o m*/
    char[] storepass = args[1].toCharArray();
    String alias = args[2];
    KeyStore ks = KeyStore.getInstance("JKS");
    ks.load(new FileInputStream(storename), storepass);
    java.security.cert.Certificate[] cchain = ks.getCertificateChain(alias);
    List mylist = new ArrayList();
    for (int i = 0; i < cchain.length; i++) {
        mylist.add(cchain[i]);
    }
    CertificateFactory cf = CertificateFactory.getInstance("X.509");
    CertPath cp = cf.generateCertPath(mylist);
    System.out.println(cp);
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    FileInputStream is = new FileInputStream("your.keystore");

    KeyStore keystore = KeyStore.getInstance(KeyStore.getDefaultType());
    keystore.load(is, "my-keystore-password".toCharArray());

    String alias = "myalias";
    Certificate cert = keystore.getCertificate(alias);

    File file = null;//  w ww. ja  v  a  2 s.  co m
    byte[] buf = cert.getEncoded();

    FileOutputStream os = new FileOutputStream(file);
    os.write(buf);
    os.close();

    Writer wr = new OutputStreamWriter(os, Charset.forName("UTF-8"));
    wr.write(new sun.misc.BASE64Encoder().encode(buf));
    wr.flush();

}