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diff --git a/libjava/classpath/javax/crypto/spec/RC2ParameterSpec.java b/libjava/classpath/javax/crypto/spec/RC2ParameterSpec.java
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+/* RC2ParameterSpec.java -- Wrapper for RC2 parameters.
+   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.AlgorithmParameterSpec;
+
+/**
+ * A wrapper for parameters for the <a
+ * href="http://www.rsasecurity.com/rsalabs/faq/3-6-2.html">RC2</a>
+ * block cipher ("RC" means either "Rivest Cipher" or "Ron's Code",
+ * depending upon who you ask and when).
+ *
+ * @author Casey Marshall (csm@gnu.org)
+ * @since 1.4
+ */
+public class RC2ParameterSpec implements AlgorithmParameterSpec
+{
+
+  // Constants and fields.
+  // ------------------------------------------------------------------------
+
+  /** The length of an RC2 IV, in bytes. */
+  private static final int RC2_IV_LENGTH = 8;
+
+  /** The effective key length, in bits. */
+  private int effectiveKeyBits;
+
+  /** The initialization vector. */
+  private byte[] iv;
+
+  // Constructors.
+  // ------------------------------------------------------------------------
+
+  /**
+   * Create RC2 parameters without an IV.
+   *
+   * @param effectiveKeyBits The number of effective key bits.
+   */
+  public RC2ParameterSpec(int effectiveKeyBits)
+  {
+    this.effectiveKeyBits = effectiveKeyBits;
+  }
+
+  /**
+   * Create RC2 parameters with an IV.
+   *
+   * @param effectiveKeyBits The number of effective key bits.
+   * @param iv               The IV; the first eight bytes of this array
+   *                         are used.
+   */
+  public RC2ParameterSpec(int effectiveKeyBits, byte[] iv)
+  {
+    this(effectiveKeyBits, iv, 0);
+  }
+
+  /**
+   * Create RC2 parameters with an IV.
+   *
+   * @param effectiveKeyBits The number of effective key bits.
+   * @param iv               The IV; the first eight bytes of this array
+   *                         after <code>offset</code> are used.
+   * @param offset           From whence to start in the array.
+   */
+  public RC2ParameterSpec(int effectiveKeyBits, byte[] iv, int offset)
+  {
+    if (iv.length - offset < RC2_IV_LENGTH)
+      {
+        throw new IllegalArgumentException("IV too short");
+      }
+    this.effectiveKeyBits = effectiveKeyBits;
+    this.iv = new byte[RC2_IV_LENGTH];
+    System.arraycopy(iv, offset, this.iv, 0, RC2_IV_LENGTH);
+  }
+
+  // Instance methods.
+  // ------------------------------------------------------------------------
+
+  /**
+   * Get the number of effective key bits.
+   *
+   * @return The numer of effective key bits.
+   */
+  public int getEffectiveKeyBits()
+  {
+    return effectiveKeyBits;
+  }
+
+  /**
+   * Return the initialization vector, or <code>null</code> if none was
+   * specified.
+   *
+   * @return The IV, or null.
+   */
+  public byte[] getIV()
+  {
+    return iv;
+  }
+
+  public boolean equals(Object o)
+  {
+    if (this == o) return true;
+    byte[] oiv = ((RC2ParameterSpec) o).getIV();
+    if (iv != oiv)
+      {
+        if (iv == null || oiv == null) return false;
+        if (iv.length != oiv.length) return false;
+        for (int i = 0; i < iv.length; i++)
+          {
+            if (iv[i] != oiv[i])
+              {
+                return false;
+              }
+          }
+      }
+    return effectiveKeyBits == ((RC2ParameterSpec) o).getEffectiveKeyBits();
+  }
+
+  public int hashCode()
+  {
+    int code = effectiveKeyBits;
+    if (iv != null)
+      {
+        for (int i = 0; i < RC2_IV_LENGTH; i++)
+          {
+            code += iv[i];
+          }
+      }
+    return code;
+  }
+}