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diff --git a/libjava/classpath/javax/security/auth/kerberos/KeyImpl.java b/libjava/classpath/javax/security/auth/kerberos/KeyImpl.java
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+++ b/libjava/classpath/javax/security/auth/kerberos/KeyImpl.java
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+/* KeyImpl.java -- kerberos key implementation
+   Copyright (C) 2006 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath 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 for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package javax.security.auth.kerberos;
+
+import java.io.Serializable;
+
+import javax.crypto.SecretKey;
+
+/**
+ * Note that the name of this class is fixed by the serialization
+ * spec, even though the class itself is not public.
+ */
+final class KeyImpl implements Serializable, SecretKey
+{
+  // Enable this when serialization works.
+  // private static final long serialVersionUID = -7889313790214321193L;
+
+  public String algorithm;
+  public int type;
+  public byte[] key;
+
+  public KeyImpl(byte[] key, int type)
+  {
+    // From kerberos spec.
+    if (type == 0)
+      this.algorithm = null;
+    else if (type == 1)
+      this.algorithm = "DES";
+    else
+      this.algorithm = "FIXME";
+    this.type = type;
+    this.key = (byte[]) key.clone();
+  }
+
+  public KeyImpl(char[] passwd, String algo)
+  {
+    this.algorithm = (algo == null) ? "DES" : algo;
+    this.type = 0; // FIXME
+    this.key = null; // double FIXME
+  }
+
+  public String getAlgorithm()
+  {
+    return algorithm;
+  }
+
+  public byte[] getEncoded()
+  {
+    return key;
+  }
+
+  public String getFormat()
+  {
+    // FIXME.
+    return null;
+  }
+
+  public String toString()
+  {
+    return getClass().getName() +
+      "[type=" + type +
+      ",algorithm=" + algorithm +
+      "]";
+  }
+
+}