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diff --git a/libjava/classpath/javax/crypto/CipherOutputStream.java b/libjava/classpath/javax/crypto/CipherOutputStream.java
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-/* CipherOutputStream.java -- Filters output through a cipher.
- 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;
-
-import java.io.FilterOutputStream;
-import java.io.IOException;
-import java.io.OutputStream;
-
-/**
- * A filtered output stream that transforms data written to it with a
- * {@link Cipher} before sending it to the underlying output stream.
- *
- * @author Casey Marshall (csm@gnu.org)
- */
-public class CipherOutputStream extends FilterOutputStream
-{
- /** The underlying cipher. */
- private Cipher cipher;
-
- /**
- * Create a new cipher output stream. The cipher argument must have already
- * been initialized.
- *
- * @param out The sink for transformed data.
- * @param cipher The cipher to transform data with.
- */
- public CipherOutputStream(OutputStream out, Cipher cipher)
- {
- super(out);
- this.cipher = (cipher != null) ? cipher : new NullCipher();
- }
-
- /**
- * Create a cipher output stream with no cipher.
- *
- * @param out The sink for transformed data.
- */
- protected CipherOutputStream(OutputStream out)
- {
- super(out);
- }
-
- /**
- * Close this output stream, and the sink output stream.
- * <p>
- * This method will first invoke the {@link Cipher#doFinal()} method of the
- * underlying {@link Cipher}, and writes the output of that method to the
- * sink output stream.
- *
- * @throws IOException If an I/O error occurs, or if an error is caused by
- * finalizing the transformation.
- */
- public void close() throws IOException
- {
- try
- {
- out.write(cipher.doFinal());
- out.flush();
- out.close();
- }
- catch (Exception cause)
- {
- IOException ioex = new IOException(String.valueOf(cause));
- ioex.initCause(cause);
- throw ioex;
- }
- }
-
- /**
- * Flush any pending output.
- *
- * @throws IOException If an I/O error occurs.
- */
- public void flush() throws IOException
- {
- out.flush();
- }
-
- /**
- * Write a single byte to the output stream.
- *
- * @param b The next byte.
- * @throws IOException If an I/O error occurs, or if the underlying cipher is
- * not in the correct state to transform data.
- */
- public void write(int b) throws IOException
- {
- write(new byte[] { (byte) b }, 0, 1);
- }
-
- /**
- * Write a byte array to the output stream.
- *
- * @param buf The next bytes.
- * @throws IOException If an I/O error occurs, or if the underlying cipher is
- * not in the correct state to transform data.
- */
- public void write(byte[] buf) throws IOException
- {
- write(buf, 0, buf.length);
- }
-
- /**
- * Write a portion of a byte array to the output stream.
- *
- * @param buf The next bytes.
- * @param off The offset in the byte array to start.
- * @param len The number of bytes to write.
- * @throws IOException If an I/O error occurs, or if the underlying cipher is
- * not in the correct state to transform data.
- */
- public void write(byte[] buf, int off, int len) throws IOException
- {
- byte[] b = cipher.update(buf, off, len);
- if (b != null)
- out.write(b);
- }
-}