load Key Store - Java Security

Java examples for Security:Key

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Description

load Key Store

Demo Code

/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1/*from w  w  w . ja va  2  s. c o  m*/
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is part of dcm4che, an implementation of DICOM(TM) in
 * Java(TM), available at http://sourceforge.net/projects/dcm4che.
 *
 * The Initial Developer of the Original Code is
 * Agfa-Gevaert Group.
 * Portions created by the Initial Developer are Copyright (C) 2003-2005
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 * See @authors listed below.
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */
//package com.java2s;
import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;

import java.security.KeyStore;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;

import java.security.cert.CertificateException;

public class Main {
    public static KeyStore loadKeyStore(String fileName, char[] password,
            String type) throws KeyStoreException,
            NoSuchAlgorithmException, CertificateException, IOException {
        return loadKeyStore(new File(fileName), password, type);
    }

    public static KeyStore loadKeyStore(File file, char[] password,
            String type) throws KeyStoreException,
            NoSuchAlgorithmException, CertificateException, IOException {
        InputStream in = new BufferedInputStream(new FileInputStream(file));
        try {
            return loadKeyStore(in, password, type);
        } finally {
            in.close();
        }
    }

    public static KeyStore loadKeyStore(InputStream in, char[] password,
            String type) throws KeyStoreException,
            NoSuchAlgorithmException, CertificateException, IOException {
        KeyStore ks = KeyStore.getInstance(type);
        ks.load(in, password);
        return ks;
    }
}

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