0N/A/*
4589N/A * Copyright (c) 2005, 2012, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
2362N/A * published by the Free Software Foundation. Oracle designates this
0N/A * particular file as subject to the "Classpath" exception as provided
2362N/A * by Oracle in the LICENSE file that accompanied this code.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2362N/A * or visit www.oracle.com if you need additional information or have any
2362N/A * questions.
0N/A */
0N/A
0N/Apackage sun.security.mscapi;
0N/A
4589N/Aimport sun.security.util.Length;
4589N/A
0N/A/**
0N/A * The handle for an RSA or DSA key using the Microsoft Crypto API.
0N/A *
0N/A * @see DSAPrivateKey
0N/A * @see RSAPrivateKey
0N/A * @see RSAPublicKey
0N/A *
0N/A * @since 1.6
0N/A * @author Stanley Man-Kit Ho
0N/A */
4589N/Aabstract class Key implements java.security.Key, Length
0N/A{
0N/A
0N/A // Native handle
0N/A protected long hCryptProv = 0;
0N/A protected long hCryptKey = 0;
0N/A
0N/A // Key length
0N/A protected int keyLength = 0;
0N/A
0N/A /**
0N/A * Construct a Key object.
0N/A */
0N/A protected Key(long hCryptProv, long hCryptKey, int keyLength)
0N/A {
0N/A this.hCryptProv = hCryptProv;
0N/A this.hCryptKey = hCryptKey;
0N/A this.keyLength = keyLength;
0N/A }
0N/A
0N/A /**
0N/A * Finalization method
0N/A */
0N/A protected void finalize() throws Throwable
0N/A {
0N/A try {
0N/A synchronized(this)
0N/A {
0N/A cleanUp(hCryptProv, hCryptKey);
0N/A hCryptProv = 0;
0N/A hCryptKey = 0;
0N/A }
0N/A
0N/A } finally {
0N/A super.finalize();
0N/A }
0N/A }
0N/A
0N/A /**
0N/A * Native method to cleanup the key handle.
0N/A */
0N/A private native static void cleanUp(long hCryptProv, long hCryptKey);
0N/A
0N/A /**
0N/A * Return bit length of the key.
0N/A */
4589N/A @Override
4589N/A public int length()
0N/A {
0N/A return keyLength;
0N/A }
0N/A
0N/A
0N/A /**
0N/A * Return native HCRYPTKEY handle.
0N/A */
0N/A public long getHCryptKey()
0N/A {
0N/A return hCryptKey;
0N/A }
0N/A
0N/A /**
0N/A * Return native HCRYPTPROV handle.
0N/A */
0N/A public long getHCryptProvider()
0N/A {
0N/A return hCryptProv;
0N/A }
0N/A
0N/A /**
0N/A * Returns the standard algorithm name for this key. For
0N/A * example, "DSA" would indicate that this key is a DSA key.
0N/A * See Appendix A in the <a href=
0N/A * "../../../guide/security/CryptoSpec.html#AppA">
0N/A * Java Cryptography Architecture API Specification &amp; Reference </a>
0N/A * for information about standard algorithm names.
0N/A *
0N/A * @return the name of the algorithm associated with this key.
0N/A */
0N/A public abstract String getAlgorithm();
0N/A
0N/A /**
0N/A * Returns the name of the primary encoding format of this key,
0N/A * or null if this key does not support encoding.
0N/A * The primary encoding format is
0N/A * named in terms of the appropriate ASN.1 data format, if an
0N/A * ASN.1 specification for this key exists.
0N/A * For example, the name of the ASN.1 data format for public
0N/A * keys is <I>SubjectPublicKeyInfo</I>, as
0N/A * defined by the X.509 standard; in this case, the returned format is
0N/A * <code>"X.509"</code>. Similarly,
0N/A * the name of the ASN.1 data format for private keys is
0N/A * <I>PrivateKeyInfo</I>,
0N/A * as defined by the PKCS #8 standard; in this case, the returned format is
0N/A * <code>"PKCS#8"</code>.
0N/A *
0N/A * @return the primary encoding format of the key.
0N/A */
0N/A public String getFormat()
0N/A {
0N/A return null;
0N/A }
0N/A
0N/A /**
0N/A * Returns the key in its primary encoding format, or null
0N/A * if this key does not support encoding.
0N/A *
0N/A * @return the encoded key, or null if the key does not support
0N/A * encoding.
0N/A */
0N/A public byte[] getEncoded()
0N/A {
0N/A return null;
0N/A }
0N/A
0N/A protected native static String getContainerName(long hCryptProv);
0N/A
0N/A protected native static String getKeyType(long hCryptKey);
0N/A}