Example usage for java.security KeyStore load

Introduction

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

Prototype

public final void load(InputStream stream, char[] password)
        throws IOException, NoSuchAlgorithmException, CertificateException

Source Link

Document

Loads this KeyStore from the given input stream.

Usage

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);
    in.close();//w ww. ja v  a2 s.c o m
    FileOutputStream output = new FileOutputStream(name);
    ks.store(output, newpass);
    output.close();
}

From source file:MainClass.java

public static void main(String args[]) throws Exception {
    String storename = args[0];/*from   w  ww. j  a  v  a2 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: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);

    Certificate cert = keystore.getCertificate(alias);

    System.out.println(cert);//  ww  w . jav a2 s  . co 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());

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

From source file:MainClass.java

public static void main(String args[]) throws Exception {
    String cacert = "mytest.cer";
    String lfcert = "lf_signed.cer";
    String lfstore = "lfkeystore";
    char[] lfstorepass = "wshr.ut".toCharArray();
    char[] lfkeypass = "wshr.ut".toCharArray();
    CertificateFactory cf = CertificateFactory.getInstance("X.509");
    FileInputStream in1 = new FileInputStream(cacert);
    java.security.cert.Certificate cac = cf.generateCertificate(in1);
    in1.close();/*ww w  . j  av  a2  s .  c o m*/
    FileInputStream in2 = new FileInputStream(lfcert);
    java.security.cert.Certificate lfc = cf.generateCertificate(in2);
    in2.close();
    java.security.cert.Certificate[] cchain = { lfc, cac };
    FileInputStream in3 = new FileInputStream(lfstore);
    KeyStore ks = KeyStore.getInstance("JKS");
    ks.load(in3, lfstorepass);
    PrivateKey prk = (PrivateKey) ks.getKey("lf", lfkeypass);
    ks.setKeyEntry("lf_signed", prk, lfstorepass, cchain);
    FileOutputStream out4 = new FileOutputStream("lfnewstore");
    ks.store(out4, "newpass".toCharArray());
    out4.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";
    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 {
    PdfReader reader;//  w w w .ja  v a2s . co  m
    KeyStore ks = KeyStore.getInstance(KeyStore.getDefaultType());
    ks.load(new FileInputStream(".keystore"), "string".toCharArray());
    PrivateKey key = (PrivateKey) ks.getKey("key", "value".toCharArray());
    Certificate[] chain = ks.getCertificateChain("foobar");
    reader = new PdfReader("2.pdf");
    FileOutputStream os = new FileOutputStream("1.pdf");
    PdfStamper stamper = PdfStamper.createSignature(reader, os, '\0');
    PdfSignatureAppearance appearance = stamper.getSignatureAppearance();
    appearance.setCrypto(key, chain, null, PdfSignatureAppearance.SELF_SIGNED);
    appearance.setReason("personal");
    appearance.setLocation("Foobar");
    appearance.setVisibleSignature("yoursig");
    stamper.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);/*from   w w w.  ja  v a2  s  .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());

    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  w  w  w.j  a v  a  2  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);

    File file = null;//from  ww w.  jav  a 2 s. c o  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();

}