--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/jdk.snmp/share/classes/com/sun/jmx/snmp/SnmpUsmKeyHandler.java	Sun Aug 17 15:54:13 2014 +0100
@@ -0,0 +1,98 @@
+/*
+ * Copyright (c) 2002, 2003, 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.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * 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.
+ */
+package com.sun.jmx.snmp;
+
+/**
+ * This interface allows you to compute key localization and delta generation. It is useful when adding user in USM MIB. An instance of <CODE> SnmpUsmKeyHandler </CODE> is associated to each <CODE> SnmpEngine </CODE> object.
+ * When computing key, an authentication algorithm is needed. The supported ones are : usmHMACMD5AuthProtocol and usmHMACSHAAuthProtocol.
+ * <p><b>This API is a Sun Microsystems internal API  and is subject
+ * to change without notice.</b></p>
+ * @since 1.5
+ */
+public interface SnmpUsmKeyHandler {
+
+    /**
+     * DES privacy algorithm key size. To be used when localizing privacy key
+     */
+    public static int DES_KEY_SIZE = 16;
+
+    /**
+     * DES privacy algorithm delta size. To be used when calculing privacy key delta.
+     */
+    public static int DES_DELTA_SIZE = 16;
+
+    /**
+     * Translate a password to a key. It MUST be compliant to RFC 2574 description.
+     * @param algoName The authentication algorithm to use.
+     * @param password Password to convert.
+     * @return The key.
+     * @exception IllegalArgumentException If the algorithm is unknown.
+     */
+    public byte[] password_to_key(String algoName, String password) throws IllegalArgumentException;
+    /**
+     * Localize the passed key using the passed <CODE>SnmpEngineId</CODE>. It MUST be compliant to RFC 2574 description.
+     * @param algoName The authentication algorithm to use.
+     * @param key The key to localize;
+     * @param engineId The Id used to localize the key.
+     * @return The localized key.
+     * @exception IllegalArgumentException If the algorithm is unknown.
+     */
+    public byte[] localizeAuthKey(String algoName, byte[] key, SnmpEngineId engineId) throws IllegalArgumentException;
+
+    /**
+     * Localize the passed privacy key using the passed <CODE>SnmpEngineId</CODE>. It MUST be compliant to RFC 2574 description.
+     * @param algoName The authentication algorithm to use.
+     * @param key The key to localize;
+     * @param engineId The Id used to localize the key.
+     * @param keysize The privacy algorithm key size.
+     * @return The localized key.
+     * @exception IllegalArgumentException If the algorithm is unknown.
+     */
+    public byte[] localizePrivKey(String algoName, byte[] key, SnmpEngineId engineId,int keysize) throws IllegalArgumentException;
+
+    /**
+     * Calculate the delta parameter needed when processing key change. This computation is done by the key change initiator. It MUST be compliant to RFC 2574 description.
+     * @param algoName The authentication algorithm to use.
+     * @param oldKey The old key.
+     * @param newKey The new key.
+     * @param random The random value.
+     * @return The delta.
+     * @exception IllegalArgumentException If the algorithm is unknown.
+     */
+    public byte[] calculateAuthDelta(String algoName, byte[] oldKey, byte[] newKey, byte[] random) throws IllegalArgumentException;
+
+    /**
+     * Calculate the delta parameter needed when processing key change for a privacy algorithm. This computation is done by the key change initiator. It MUST be compliant to RFC 2574 description.
+     * @param algoName The authentication algorithm to use.
+     * @param oldKey The old key.
+     * @param newKey The new key.
+     * @param random The random value.
+     * @param deltaSize The algo delta size.
+     * @return The delta.
+     * @exception IllegalArgumentException If the algorithm is unknown.
+     */
+    public byte[] calculatePrivDelta(String algoName, byte[] oldKey, byte[] newKey, byte[] random, int deltaSize) throws IllegalArgumentException;
+
+}