author | weijun |
Thu, 13 Dec 2018 17:28:19 +0800 | |
changeset 53006 | 4debb3321e65 |
parent 47216 | src/jdk.crypto.mscapi/windows/classes/sun/security/mscapi/Key.java@71c04702a3d5 |
child 53007 | e2798bf6318a |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2005, 2018, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package sun.security.mscapi; |
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import sun.security.util.Length; |
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import java.security.Key; |
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/** |
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* The handle for a key using the Microsoft Crypto API. |
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* |
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* @see CPrivateKey |
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* @see CPublicKey |
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* |
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* @since 1.6 |
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* @author Stanley Man-Kit Ho |
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*/ |
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abstract class CKey implements Key, Length { |
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private static final long serialVersionUID = -1088859394025049194L; |
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static class NativeHandles { |
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long hCryptProv = 0; |
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long hCryptKey = 0; |
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public NativeHandles(long hCryptProv, long hCryptKey) { |
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this.hCryptProv = hCryptProv; |
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this.hCryptKey = hCryptKey; |
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} |
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@SuppressWarnings("deprecation") |
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protected void finalize() throws Throwable { |
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try { |
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synchronized(this) { |
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cleanUp(hCryptProv, hCryptKey); |
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hCryptProv = 0; |
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hCryptKey = 0; |
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} |
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} finally { |
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super.finalize(); |
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} |
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} |
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} |
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protected final NativeHandles handles; |
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protected final int keyLength; |
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protected final String algorithm; |
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protected CKey(String algorithm, long hCryptProv, long hCryptKey, int keyLength) { |
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this.algorithm = algorithm; |
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this.handles = new NativeHandles(hCryptProv, hCryptKey); |
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this.keyLength = keyLength; |
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} |
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// Native method to cleanup the key handle. |
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private native static void cleanUp(long hCryptProv, long hCryptKey); |
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@Override |
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public int length() { |
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return keyLength; |
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} |
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public long getHCryptKey() { |
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return handles.hCryptKey; |
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} |
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public long getHCryptProvider() { |
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return handles.hCryptProv; |
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} |
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public String getAlgorithm() { |
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return algorithm; |
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} |
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protected native static String getContainerName(long hCryptProv); |
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protected native static String getKeyType(long hCryptKey); |
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} |