/*

 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

import java.security.*;

/*

 * Export a private key from the named keychain entry without supplying a

 * password. See JDK-8062264.

 *

 * NOTE: Keychain access controls must already have been lowered to permit

 *       the target entry to be accessed.

 */

public class ExportPrivateKeyNoPwd {

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

        if (args.length != 1) {

            throw new Exception(

                "ExportPrivateKeyNoPwd: must supply name of a keystore entry");

        }

        String alias = args[0];

        KeyStore ks = KeyStore.getInstance("KeychainStore");

        System.out.println("ExportPrivateKeyNoPwd: loading keychains...");

        ks.load(null, null);

        System.out.println("ExportPrivateKeyNoPwd: exporting key...");

        Key key = ks.getKey(alias, null);

        if (key instanceof PrivateKey) {

            System.out.println("ExportPrivateKeyNoPwd: exported " +

                key.getAlgorithm() + " private key from '" + alias + "'");

        } else {

            throw new Exception("Error exporting private key from keychain");

        }

    }

}