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diff --git a/libjava/classpath/javax/crypto/spec/IvParameterSpec.java b/libjava/classpath/javax/crypto/spec/IvParameterSpec.java
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+/* IvParameterSpec.java -- A simple wrapper for initialization vectors.
+   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 an initialization vector. An initialization vector is
+ * necessary for any cipher in any <i>feedback mode</i>, e.g. CBC.
+ *
+ * @author Casey Marshall (csm@gnu.org)
+ */
+public class IvParameterSpec implements AlgorithmParameterSpec
+{
+
+  // Fields.
+  // ------------------------------------------------------------------------
+
+  /** The IV. */
+  private byte[] iv;
+
+  // Constructors.
+  // ------------------------------------------------------------------------
+
+  /**
+   * Create a new initialization vector spec from an entire byte array.
+   *
+   * @param iv The IV bytes.
+   */
+  public IvParameterSpec(byte[] iv)
+  {
+    this(iv, 0, iv.length);
+  }
+
+  /**
+   * Create a new initialization vector spec from part of a byte array.
+   *
+   * @param iv  The IV bytes.
+   * @param off The offset into the IV bytes.
+   * @param len The number of IV bytes.
+   */
+  public IvParameterSpec(byte[] iv, int off, int len)
+  {
+    this.iv = new byte[len];
+    System.arraycopy(iv, off, this.iv, 0, len);
+  }
+
+  // Instance methods.
+  // ------------------------------------------------------------------------
+
+  /**
+   * Returns the IV. This method does not copy the byte array.
+   *
+   * @return The IV.
+   */
+  public byte[] getIV()
+  {
+    return iv;
+  }
+}