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diff --git a/libjava/classpath/javax/crypto/spec/SecretKeySpec.java b/libjava/classpath/javax/crypto/spec/SecretKeySpec.java
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+/* SecretKeySpec.java -- Wrapper for secret keys.
+   Copyright (C) 2004  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.crypto.spec;
+
+import java.security.spec.KeySpec;
+
+import javax.crypto.SecretKey;
+
+/**
+ * This is a simple wrapper around a raw byte array, for ciphers that do
+ * not require any key parameters other than the bytes themselves.
+ *
+ * <p>Since this class implements {@link javax.crypto.SecretKey}, which
+ * in turn extends {@link java.security.Key}, so instances of this class
+ * may be passed directly to the <code>init()</code> methods of {@link
+ * javax.crypto.Cipher}.
+ *
+ * @see javax.crypto.SecretKey
+ * @see javax.crypto.SecretKeyFactory
+ */
+public class SecretKeySpec implements KeySpec, SecretKey
+{
+
+  // Constants and fields.
+  // ------------------------------------------------------------------------
+
+  /** Compatible with JDK1.4. */
+  private static final long serialVersionUID = 6577238317307289933L;
+
+  /** The key bytes. */
+  private byte[] key;
+
+  /** The algorithm's name. */
+  private String algorithm;
+
+  // Constructors.
+  // ------------------------------------------------------------------------
+
+  /**
+   * Create a new secret key spec from an entire byte array.
+   *
+   * @param key       The key material.
+   * @param algorithm The name of the algorithm using this key.
+   */
+  public SecretKeySpec(byte[] key, String algorithm)
+  {
+    this(key, 0, key.length, algorithm);
+  }
+
+  /**
+   * Create a new secret key spec from part of a byte array.
+   *
+   * @param key       The key material.
+   * @param off       The offset at which key material begins.
+   * @param len       The length of key material.
+   * @param algorithm The name of the algorithm using this key.
+   */
+  public SecretKeySpec(byte[] key, int off, int len, String algorithm)
+  {
+    this.key = new byte[len];
+    this.algorithm = algorithm;
+    System.arraycopy(key, off, this.key, 0, len);
+  }
+
+  // Instance methods.
+  // ------------------------------------------------------------------------
+
+  /**
+   * Return the name of the algorithm associated with this secret key.
+   *
+   * @return The algorithm's name.
+   */
+  public String getAlgorithm()
+  {
+    return algorithm;
+  }
+
+  /**
+   * Return the key as a byte array.
+   *
+   * @return The key material.
+   */
+  public byte[] getEncoded()
+  {
+    return key;
+  }
+
+  /**
+   * This key's format, which is always "RAW".
+   *
+   * @return "RAW"
+   */
+  public String getFormat()
+  {
+    return "RAW";
+  }
+
+  public boolean equals(Object o)
+  {
+    byte[] okey = ((SecretKeySpec) o).getEncoded();
+    if (key.length != okey.length) return false;
+    for (int i = 0; i < key.length; i++)
+      {
+        if (key[i] != okey[i])
+          return false;
+      }
+    return algorithm.equals(((SecretKeySpec) o).getAlgorithm());
+  }
+
+  public int hashCode()
+  {
+    int code = 0;
+    for (int i = 0; i < key.length; i++)
+      {
+        code ^= (key[i] & 0xff) << (i << 3 & 31);
+      }
+    return code ^ algorithm.hashCode();
+  }
+}