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:MainClass.java

public static void main(String[] args) throws Exception {
    PdfReader reader;//from www .ja va 2 s.c o  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();
}

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From source file:MainClass.java

public static void main(String[] args) throws Exception {

    char[] passphrase = "sasquatch".toCharArray();
    KeyStore keystore = KeyStore.getInstance("JKS");
    keystore.load(new FileInputStream(".keystore"), passphrase);

    TrustManagerFactory tmf = TrustManagerFactory.getInstance("SunX509");
    tmf.init(keystore);//from   w w  w.  ja  v  a 2  s  .  co m

    SSLContext context = SSLContext.getInstance("TLS");
    TrustManager[] trustManagers = tmf.getTrustManagers();

    context.init(null, trustManagers, null);

    SSLSocketFactory sf = context.getSocketFactory();

    Socket s = sf.createSocket(HOST, PORT);
    OutputStream out = s.getOutputStream();
    out.write("\nConnection established.\n\n".getBytes());

    int theCharacter = 0;
    theCharacter = System.in.read();
    while (theCharacter != '~') // The '~' is an escape character to exit
    {
        out.write(theCharacter);
        out.flush();
        theCharacter = System.in.read();
    }

    out.close();
    s.close();
}

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From source file:Main.java

public static void main(String[] argv) throws Exception {
    String filename = System.getProperty("java.home")
            + "/lib/security/cacerts".replace('/', File.separatorChar);
    FileInputStream is = new FileInputStream(filename);
    KeyStore keystore = KeyStore.getInstance(KeyStore.getDefaultType());
    String password = "password";
    keystore.load(is, password.toCharArray());

    PKIXParameters params = new PKIXParameters(keystore);

    params.setRevocationEnabled(false);//from  w  w  w  .j  av a 2s  . c o m

    CertPathValidator certPathValidator = CertPathValidator.getInstance(CertPathValidator.getDefaultType());
    CertPath certPath = null;
    CertPathValidatorResult result = certPathValidator.validate(certPath, params);

    PKIXCertPathValidatorResult pkixResult = (PKIXCertPathValidatorResult) result;
    TrustAnchor ta = pkixResult.getTrustAnchor();
    X509Certificate cert = ta.getTrustedCert();
}

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From source file:MainClass.java

public static void main(String args[]) throws Exception {
    SSLContext context;/*from www .  j ava 2s . c  om*/
    KeyManagerFactory kmf;
    KeyStore ks;
    char[] storepass = "newpass".toCharArray();
    char[] keypass = "wshr.ut".toCharArray();
    String storename = "newstore";

    context = SSLContext.getInstance("TLS");
    kmf = KeyManagerFactory.getInstance("SunX509");
    FileInputStream fin = new FileInputStream(storename);
    ks = KeyStore.getInstance("JKS");
    ks.load(fin, storepass);

    kmf.init(ks, keypass);
    context.init(kmf.getKeyManagers(), null, null);
    SSLServerSocketFactory ssf = context.getServerSocketFactory();

    ServerSocket ss = ssf.createServerSocket(5432);
    while (true) {
        Socket s = ss.accept();
        PrintStream out = new PrintStream(s.getOutputStream());
        out.println("Hi");
        out.close();
        s.close();
    }

}

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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();/*  w  w  w .j a v a  2s  .co  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();
}

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From source file:MainClass.java

public static void main(String args[]) throws Exception {
    CertificateFactory cf = CertificateFactory.getInstance("X.509");

    List mylist = new ArrayList();

    FileInputStream in = new FileInputStream(args[0]);
    Certificate c = cf.generateCertificate(in);
    mylist.add(c);//from   ww  w  .  ja va 2 s  . c om

    CertPath cp = cf.generateCertPath(mylist);

    FileInputStream kin = new FileInputStream(args[0]);
    KeyStore ks = KeyStore.getInstance("JKS");
    ks.load(kin, args[1].toCharArray());

    PKIXParameters params = new PKIXParameters(ks);
    params.setRevocationEnabled(false);

    CertPathValidator cpv = CertPathValidator.getInstance("PKIX");

    PKIXCertPathValidatorResult result = (PKIXCertPathValidatorResult) cpv.validate(cp, params);

    PublicKey pbk = result.getPublicKey();
    byte[] pkenc = pbk.getEncoded();
    BigInteger pk = new BigInteger(pkenc);
    System.out.println(pk.toString(16));

    TrustAnchor anc = result.getTrustAnchor();
    X509Certificate xc = anc.getTrustedCert();
    System.out.println(xc.getSubjectDN());
    System.out.println(xc.getIssuerDN());

}

---

From source file:MainClass.java

public static void main(String[] args) throws Exception {
    String keystoreFile = "keyStoreFile.bin";
    String caAlias = "caAlias";
    String certToSignAlias = "cert";
    String newAlias = "newAlias";

    char[] password = new char[] { 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h' };
    char[] caPassword = new char[] { 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h' };
    char[] certPassword = new char[] { 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h' };

    FileInputStream input = new FileInputStream(keystoreFile);
    KeyStore keyStore = KeyStore.getInstance("JKS");
    keyStore.load(input, password);/*from   w  w w.java 2  s .c o  m*/
    input.close();

    PrivateKey caPrivateKey = (PrivateKey) keyStore.getKey(caAlias, caPassword);
    java.security.cert.Certificate caCert = keyStore.getCertificate(caAlias);

    byte[] encoded = caCert.getEncoded();
    X509CertImpl caCertImpl = new X509CertImpl(encoded);

    X509CertInfo caCertInfo = (X509CertInfo) caCertImpl.get(X509CertImpl.NAME + "." + X509CertImpl.INFO);

    X500Name issuer = (X500Name) caCertInfo.get(X509CertInfo.SUBJECT + "." + CertificateIssuerName.DN_NAME);

    java.security.cert.Certificate cert = keyStore.getCertificate(certToSignAlias);
    PrivateKey privateKey = (PrivateKey) keyStore.getKey(certToSignAlias, certPassword);
    encoded = cert.getEncoded();
    X509CertImpl certImpl = new X509CertImpl(encoded);
    X509CertInfo certInfo = (X509CertInfo) certImpl.get(X509CertImpl.NAME + "." + X509CertImpl.INFO);

    Date firstDate = new Date();
    Date lastDate = new Date(firstDate.getTime() + 365 * 24 * 60 * 60 * 1000L);
    CertificateValidity interval = new CertificateValidity(firstDate, lastDate);

    certInfo.set(X509CertInfo.VALIDITY, interval);

    certInfo.set(X509CertInfo.SERIAL_NUMBER, new CertificateSerialNumber((int) (firstDate.getTime() / 1000)));

    certInfo.set(X509CertInfo.ISSUER + "." + CertificateSubjectName.DN_NAME, issuer);

    AlgorithmId algorithm = new AlgorithmId(AlgorithmId.md5WithRSAEncryption_oid);
    certInfo.set(CertificateAlgorithmId.NAME + "." + CertificateAlgorithmId.ALGORITHM, algorithm);
    X509CertImpl newCert = new X509CertImpl(certInfo);

    newCert.sign(caPrivateKey, "MD5WithRSA");

    keyStore.setKeyEntry(newAlias, privateKey, certPassword, new java.security.cert.Certificate[] { newCert });

    FileOutputStream output = new FileOutputStream(keystoreFile);
    keyStore.store(output, password);
    output.close();

}

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From source file:com.threerings.getdown.tools.AppletParamSigner.java

public static void main(String[] args) {
    try {//from w  w  w  . j  av a2s  .  c  o  m
        if (args.length != 7) {
            System.err
                    .println("AppletParamSigner keystore storepass alias keypass " + "appbase appname imgpath");
            System.exit(255);
        }

        String keystore = args[0];
        String storepass = args[1];
        String alias = args[2];
        String keypass = args[3];
        String appbase = args[4];
        String appname = args[5];
        String imgpath = args[6];
        String params = appbase + appname + imgpath;

        KeyStore store = KeyStore.getInstance("JKS");
        store.load(new BufferedInputStream(new FileInputStream(keystore)), storepass.toCharArray());
        PrivateKey key = (PrivateKey) store.getKey(alias, keypass.toCharArray());
        Signature sig = Signature.getInstance("SHA1withRSA");
        sig.initSign(key);
        sig.update(params.getBytes());
        String signed = new String(Base64.encodeBase64(sig.sign()));
        System.out.println("<param name=\"appbase\" value=\"" + appbase + "\" />");
        System.out.println("<param name=\"appname\" value=\"" + appname + "\" />");
        System.out.println("<param name=\"bgimage\" value=\"" + imgpath + "\" />");
        System.out.println("<param name=\"signature\" value=\"" + signed + "\" />");

    } catch (Exception e) {
        System.err.println("Failed to produce signature.");
        e.printStackTrace();
    }
}

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From source file:com.vimukti.accounter.developer.api.PublicKeyGenerator.java

/**
 * @param args/*from www  . java  2 s . c  o  m*/
 * @throws NoSuchProviderException
 * @throws NoSuchAlgorithmException
 * @throws InvalidKeySpecException
 * @throws IOException
 * @throws CertificateException
 * @throws KeyStoreException
 * @throws UnrecoverableEntryException
 * @throws URISyntaxException
 */
public static void main(String[] args) throws KeyStoreException, NoSuchAlgorithmException, CertificateException,
        IOException, UnrecoverableEntryException {
    FileInputStream is = new FileInputStream(
            ServerConfiguration.getConfig() + File.separator + "license.keystore");
    KeyStore keystore = KeyStore.getInstance(KeyStore.getDefaultType());
    String password = "liceseStorePassword";
    keystore.load(is, password.toCharArray());
    PrivateKeyEntry entry = (PrivateKeyEntry) keystore.getEntry("licenseAlias",
            new PasswordProtection(ServerConfiguration.getLicenseKeystorePWD().toCharArray()));
    Key key = entry.getPrivateKey();
    System.out.println((PrivateKey) key);
    PublicKey publicKey = entry.getCertificate().getPublicKey();
    System.out.println(publicKey);

    byte[] encoded = publicKey.getEncoded();
    byte[] encodeBase64 = Base64.encodeBase64(encoded);
    System.out.println("Public Key:" + new String(encodeBase64));

}

---

From source file:com.streamreduce.util.CAGenerator.java

public static void main(String[] args) throws Exception {

    KeyStore store = KeyStore.getInstance("JKS");
    //        store.load(CAGenerator.class.getResourceAsStream("/mmc-keystore.jks"), "ion-mmc".toCharArray());
    store.load(null);//from  w w  w. ja va2  s  .  co m

    KeyPair keypair = generateKeyPair();

    X509Certificate cert = generateCACert(keypair);

    char[] password = "nodeable-agent".toCharArray();
    store.setKeyEntry("nodeable", keypair.getPrivate(), password, new Certificate[] { cert });
    store.store(new FileOutputStream("nodeable-keystore.jks"), password);
    byte[] certBytes = getCertificateAsBytes(cert);
    FileOutputStream output = new FileOutputStream("nodeable.crt");
    IOUtils.copy(new ByteArrayInputStream(certBytes), output);
    output.close();
}

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