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

                        "ie/baltimore/merlin-examples/merlin-xmlenc-five/plaintext.xml");
        DocumentBuilder builder = XMLUtils.createDocumentBuilder(false);
        Document document = builder.parse(sourceDocument);


        // Set up the Key
        KeyStore keyStore = KeyStore.getInstance("jks");
        keyStore.load(
                this.getClass().getClassLoader().getResource("transmitter.jks").openStream(),
                "default".toCharArray()
        );
        Key key = keyStore.getKey("transmitter", "default".toCharArray());
        X509Certificate cert = (X509Certificate)keyStore.getCertificate("transmitter");


        // Sign using DOM
        List<String> localNames = new ArrayList<String>();
        localNames.add("PaymentInfo");

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                        "ie/baltimore/merlin-examples/merlin-xmlenc-five/plaintext.xml");
        DocumentBuilder builder = XMLUtils.createDocumentBuilder(false);
        Document document = builder.parse(sourceDocument);


        // Set up the Key
        KeyStore keyStore = KeyStore.getInstance("jks");
        keyStore.load(
                this.getClass().getClassLoader().getResource("transmitter.jks").openStream(),
                "default".toCharArray()
        );
        Key key = keyStore.getKey("transmitter", "default".toCharArray());
        X509Certificate cert = (X509Certificate)keyStore.getCertificate("transmitter");


        // Sign using DOM
        List<String> localNames = new ArrayList<String>();
        localNames.add("PaymentInfo");

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                        "ie/baltimore/merlin-examples/merlin-xmlenc-five/plaintext.xml");
        DocumentBuilder builder = XMLUtils.createDocumentBuilder(false);
        Document document = builder.parse(sourceDocument);


        // Set up the Key
        KeyStore keyStore = KeyStore.getInstance("jks");
        keyStore.load(
                this.getClass().getClassLoader().getResource("transmitter.jks").openStream(),
                "default".toCharArray()
        );
        Key key = keyStore.getKey("transmitter", "default".toCharArray());
        X509Certificate cert = (X509Certificate)keyStore.getCertificate("transmitter");


        // Sign using DOM
        List<String> localNames = new ArrayList<String>();
        localNames.add("PaymentInfo");

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            if (log.isDebugEnabled()) {
                log.debug("Creating KeyStore from given CA certificates" +
                        " in the given directory : " + CACertificateFilesPath);
            }


            KeyStore trustStore = KeyStore.getInstance("JKS");
            trustStore.load(null, null);


            File certsPath = new File(CACertificateFilesPath);


            File[] certs = certsPath.listFiles();


            for (File currentCert : certs) {
                FileInputStream inStream = new FileInputStream(currentCert);
                BufferedInputStream bis = new BufferedInputStream(inStream);


                CertificateFactory certFactory = CertificateFactory.getInstance("X509");
                Certificate cert = certFactory.generateCertificate(bis);


                trustStore.setCertificateEntry(currentCert.getName(), cert);


                bis.close();
                inStream.close();
            }

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            if (log.isDebugEnabled()) {
                log.debug("Loading KeyStore from : " + location + " Store-Type : " +
                        storeType + " Provider : " + provider);
            }
            bis = new BufferedInputStream(new FileInputStream(keyStoreFile));
            KeyStore keyStore;
            if (provider != null) {
                keyStore = KeyStore.getInstance(storeType, provider);
            } else {
                keyStore = KeyStore.getInstance(storeType);
            }
            keyStore.load(bis, storePassword.toCharArray());
            return keyStore;
        } catch (KeyStoreException e) {
            handleException("Error loading keyStore from ' " + location + " ' ", e);
        } catch (IOException e) {
            handleException("IOError loading keyStore from ' " + location + " ' ", e);

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        try {
            if (log.isDebugEnabled()) {
                log.debug("Creating a TrustManagerFactory instance");
            }
            KeyStore trustStore = this.getTrustStore();
            TrustManagerFactory trustManagerFactory = TrustManagerFactory.getInstance(
                    TrustManagerFactory.getDefaultAlgorithm());
            trustManagerFactory.init(trustStore);


            return trustManagerFactory;

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        try {
            if (log.isDebugEnabled()) {
                log.debug("Creating a IdentityKeyManagerFactory instance");
            }


            KeyStore keyStore = this.getIdentityKeyStore();
            KeyManagerFactory keyManagerFactory = KeyManagerFactory.getInstance(
                    KeyManagerFactory.getDefaultAlgorithm());
            keyManagerFactory.init(keyStore, keyPasswordProvider.getResolvedSecret().toCharArray());


            return keyManagerFactory;

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                return hashHost.get(host);
            }
            InputStream in = getCertificate();
            Exception except = null;
            if (in != null) {
                KeyStore ks = null;
                KeyManagerFactory kmf = null;
                SSLContext sslcontext = null;
                try {
                    ks = KeyStore.getInstance(KEYSTORE_TYPE);
                    ks.load(in, KEYSTORE_PASSWORD);
                    kmf = KeyManagerFactory.getInstance(KEYMANAGERFACTORY);
                    kmf.init(ks, KEY_PASSWORD);
                    sslcontext = SSLContext.getInstance(SSLCONTEXT_PROTOCOL);
                    sslcontext.init(kmf.getKeyManagers(), null, null);
                    SSLSocketFactory sslFactory = sslcontext.getSocketFactory();

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        actions.add(XMLSecurityConstants.SIGNATURE);
        actions.add(XMLSecurityConstants.ENCRYPT);
        properties.setActions(actions);


        // Set the key up
        KeyStore keyStore = KeyStore.getInstance("jks");
        keyStore.load(
                this.getClass().getClassLoader().getResource("transmitter.jks").openStream(),
                "default".toCharArray()
        );
        Key key = keyStore.getKey("transmitter", "default".toCharArray());
        properties.setSignatureKey(key);
        X509Certificate cert = (X509Certificate) keyStore.getCertificate("transmitter");
        properties.setSignatureCerts(new X509Certificate[]{cert});


        // Set the key up
        SecretKey encryptionKey = generateDESSecretKey();
        properties.setEncryptionKey(encryptionKey);

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        actions.add(XMLSecurityConstants.SIGNATURE);
        actions.add(XMLSecurityConstants.ENCRYPT);
        properties.setActions(actions);


        // Set the key up
        KeyStore keyStore = KeyStore.getInstance("jks");
        keyStore.load(
                this.getClass().getClassLoader().getResource("transmitter.jks").openStream(),
                "default".toCharArray()
        );
        Key key = keyStore.getKey("transmitter", "default".toCharArray());
        properties.setSignatureKey(key);
        X509Certificate cert = (X509Certificate) keyStore.getCertificate("transmitter");
        properties.setSignatureCerts(new X509Certificate[]{cert});


        // Set the key up
        SecretKey encryptionKey = generateDESSecretKey();
        properties.setEncryptionKey(encryptionKey);

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