Example usage for java.security.spec X509EncodedKeySpec getEncoded

Introduction

In this page you can find the example usage for java.security.spec X509EncodedKeySpec getEncoded.

Prototype

public byte[] getEncoded() 

Source Link

Document

Returns the key bytes, encoded according to the X.509 standard.

Usage

From source file:com.completetrsst.crypto.Common.java

/**
 * Converts an EC PublicKey to an X509-encoded string.
 *//*from w  ww . j  a  v a 2  s .c o  m*/
public static String toX509FromPublicKey(PublicKey publicKey) throws GeneralSecurityException {
    KeyFactory factory = KeyFactory.getInstance("EC");
    X509EncodedKeySpec spec = factory.getKeySpec(publicKey, X509EncodedKeySpec.class);
    return new Base64(0, null, true).encodeToString(spec.getEncoded());
}

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From source file:net.nicholaswilliams.java.licensing.encryption.KeyFileUtilities.java

protected static byte[] writeEncryptedPublicKey(PublicKey publicKey, char[] passphrase) {
    X509EncodedKeySpec x509EncodedKeySpec = new X509EncodedKeySpec(publicKey.getEncoded());
    return Encryptor.encryptRaw(x509EncodedKeySpec.getEncoded(), passphrase);
}

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From source file:Main.java

/**
 * save private key and public key of a keypair in the directory
 *
 * @param dir/* w  w  w.j ava 2 s.c  o m*/
 * @param keyPair
 * @param name keys will be stored as name_private.key and name_public.key
 * @throws IOException
 */
public static void saveKeyPair(File dir, KeyPair keyPair, String name) throws IOException {

    // Store Public Key.
    X509EncodedKeySpec x509EncodedKeySpec = new X509EncodedKeySpec(keyPair.getPublic().getEncoded());
    FileOutputStream fos = new FileOutputStream(new File(dir, name + "_public.key"));
    fos.write(x509EncodedKeySpec.getEncoded());
    fos.close();

    // Store Private Key.
    PKCS8EncodedKeySpec pkcs8EncodedKeySpec = new PKCS8EncodedKeySpec(keyPair.getPrivate().getEncoded());
    fos = new FileOutputStream(new File(dir, name + "_private.key"));
    fos.write(pkcs8EncodedKeySpec.getEncoded());
    fos.close();
}

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From source file:com.joyent.manta.client.crypto.SecretKeyUtils.java

/**
 * Writes the specified key in X509 encoding to a stream. Note: This method
 * doesn't close the supplied stream./*from w w  w  . j  a va2 s  .c o  m*/
 *
 * @param key key to write
 * @param out output stream to write to
 * @throws IOException thrown when there is a problem writing the key
 */
public static void writeKey(final SecretKey key, final OutputStream out) throws IOException {
    Validate.notNull(key, "Key must not be null");
    Validate.notNull(out, "OutputStream must not be null");
    X509EncodedKeySpec x509EncodedKeySpec = new X509EncodedKeySpec(key.getEncoded());
    out.write(x509EncodedKeySpec.getEncoded());
}

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From source file:com.vexsoftware.votifier.crypto.RSAIO.java

/**
 * Saves the key pair to the disk.//  ww  w  . j  a  v a2  s. co m
 * 
 * @param directory
 *            The directory to save to
 * @param keyPair
 *            The key pair to save
 * @throws Exception
 *             If an error occurs
 */
public static void save(File directory, KeyPair keyPair) throws Exception {
    PrivateKey privateKey = keyPair.getPrivate();
    PublicKey publicKey = keyPair.getPublic();

    // Store the public key.
    X509EncodedKeySpec publicSpec = new X509EncodedKeySpec(publicKey.getEncoded());
    FileOutputStream out = new FileOutputStream(directory + "/public.key");
    out.write(DatatypeConverter.printBase64Binary(publicSpec.getEncoded()).getBytes());
    out.close();

    // Store the private key.
    PKCS8EncodedKeySpec privateSpec = new PKCS8EncodedKeySpec(privateKey.getEncoded());
    out = new FileOutputStream(directory + "/private.key");
    out.write(DatatypeConverter.printBase64Binary(privateSpec.getEncoded()).getBytes());
    out.close();
}

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From source file:com.vexsoftware.votifier.util.rsa.RSAIO.java

/**
 * Saves the key pair to the disk./* w ww  .java  2s.  c om*/
 * 
 * @param directory
 *            The directory to save to
 * @param keyPair
 *            The key pair to save
 * @throws Exception
 *            If an error occurs
 */
public static void save(File directory, KeyPair keyPair) throws Exception {
    PrivateKey privateKey = keyPair.getPrivate();
    PublicKey publicKey = keyPair.getPublic();

    // Store the public key.
    X509EncodedKeySpec publicSpec = new X509EncodedKeySpec(publicKey.getEncoded());
    FileOutputStream out = null;
    try {
        out = new FileOutputStream(directory + "/public.key");
        out.write(DatatypeConverter.printBase64Binary(publicSpec.getEncoded()).getBytes());
    } finally {
        try {
            out.close();
        } catch (Exception exception) {
            // ignore
        }
    }

    // Store the private key.
    PKCS8EncodedKeySpec privateSpec = new PKCS8EncodedKeySpec(privateKey.getEncoded());
    try {
        out = new FileOutputStream(directory + "/private.key");
        out.write(DatatypeConverter.printBase64Binary(privateSpec.getEncoded()).getBytes());
    } finally {
        try {
            out.close();
        } catch (Exception exception) {
            // ignore
        }
    }
}

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From source file:com.intuit.s3encrypt.S3Encrypt.java

public static void saveKeyPair(String filename, KeyPair keyPair) throws IOException {
    PublicKey publicKey = keyPair.getPublic();
    PrivateKey privateKey = keyPair.getPrivate();

    // Save public key to file.
    X509EncodedKeySpec x509EncodedKeySpec = new X509EncodedKeySpec(publicKey.getEncoded());
    FileOutputStream keyfos = new FileOutputStream(filename + ".pub");
    keyfos.write(x509EncodedKeySpec.getEncoded());
    keyfos.close();/*from   w w  w.  j  av  a2  s  .c om*/

    // Save private key to file.
    PKCS8EncodedKeySpec pkcs8EncodedKeySpec = new PKCS8EncodedKeySpec(privateKey.getEncoded());
    keyfos = new FileOutputStream(filename);
    keyfos.write(pkcs8EncodedKeySpec.getEncoded());
    keyfos.close();

}

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From source file:net.arccotangent.pacchat.filesystem.KeyManager.java

private static void saveKeys(PrivateKey privkey, PublicKey pubkey) {
    km_log.i("Saving keys to disk.");

    X509EncodedKeySpec pubSpec = new X509EncodedKeySpec(pubkey.getEncoded());
    PKCS8EncodedKeySpec privSpec = new PKCS8EncodedKeySpec(privkey.getEncoded());

    try {/*  w  ww  .  jav  a 2 s  . co  m*/
        km_log.i(pubkeyFile.createNewFile() ? "Creation of public key file successful."
                : "Creation of public key file failed!");

        FileOutputStream pubOut = new FileOutputStream(pubkeyFile);
        pubOut.write(Base64.encodeBase64(pubSpec.getEncoded()));
        pubOut.flush();
        pubOut.close();

    } catch (IOException e) {
        km_log.e("Error while saving public key!");
        e.printStackTrace();
    }

    try {
        km_log.i(privkeyFile.createNewFile() ? "Creation of private key file successful."
                : "Creation of private key file failed!");

        FileOutputStream privOut = new FileOutputStream(privkeyFile);
        privOut.write(Base64.encodeBase64(privSpec.getEncoded()));
        privOut.flush();
        privOut.close();

    } catch (IOException e) {
        km_log.e("Error while saving private key!");
        e.printStackTrace();
    }

    km_log.i("Finished saving keys to disk. Operation appears successful.");
}

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From source file:net.arccotangent.pacchat.filesystem.KeyManager.java

@SuppressWarnings("ResultOfMethodCallIgnored")
public static void saveKeyByIP(String ip_address, PublicKey publicKey) {
    km_log.i("Saving public key for " + ip_address);
    X509EncodedKeySpec pubSpec = new X509EncodedKeySpec(publicKey.getEncoded());
    File pubFile = new File(installationPath + File.separator + ip_address + ".pub");

    km_log.i("Deleting old key if it exists.");
    if (pubFile.exists())
        pubFile.delete();/*from w w  w . j  a  v a  2 s .c  o m*/

    try {
        km_log.i(pubFile.createNewFile() ? "Creation of public key file successful."
                : "Creation of public key file failed!");

        FileOutputStream pubOut = new FileOutputStream(pubFile);
        pubOut.write(Base64.encodeBase64(pubSpec.getEncoded()));
        pubOut.flush();
        pubOut.close();

    } catch (IOException e) {
        km_log.e("Error while saving public key for " + ip_address + "!");
        e.printStackTrace();
    }
}

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From source file:ee.ria.xroad.common.util.CryptoUtils.java

/**
 * Generates X509 encoded public key bytes from a given public key.
 * @param publicKey the public key/*from  w  w w  . ja  v a2  s .  com*/
 * @return generated public key bytes
 * @throws Exception if any errors occur
 */
public static byte[] generateX509PublicKey(PublicKey publicKey) throws Exception {
    X509EncodedKeySpec x509EncodedPublicKey = KEY_FACTORY.getKeySpec(publicKey, X509EncodedKeySpec.class);
    return x509EncodedPublicKey.getEncoded();
}

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