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diff --git a/gcc-4.4.3/libjava/classpath/gnu/javax/crypto/kwa/IKeyWrappingAlgorithm.java b/gcc-4.4.3/libjava/classpath/gnu/javax/crypto/kwa/IKeyWrappingAlgorithm.java
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+++ b/gcc-4.4.3/libjava/classpath/gnu/javax/crypto/kwa/IKeyWrappingAlgorithm.java
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+/* IKeyWrappingAlgorithm.java -- FIXME: briefly describe file purpose
+   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 gnu.javax.crypto.kwa;
+
+import java.security.InvalidKeyException;
+import java.security.SecureRandom;
+import java.util.Map;
+
+import javax.crypto.ShortBufferException;
+
+/**
+ * Constants and visible methods available to all GNU Key Wrapping Algorithm
+ * implementations.
+ */
+public interface IKeyWrappingAlgorithm
+{
+  /**
+   * Name of the property, in the attributes map, that references the Key
+   * Wrapping Algorithm KEK (Key Encryption Key) material. The object referenced
+   * by this property is a byte array containing the keying material for the
+   * underlying block cipher.
+   */
+  String KEY_ENCRYPTION_KEY_MATERIAL = "gnu.crypto.kwa.kek";
+  /**
+   * Name of the property, in the attributes map, that references the Initial
+   * Value (IV) material. The object referenced by this property is a byte array
+   * containing the initial integrity check register value.
+   */
+  String INITIAL_VALUE = "gnu.crypto.kwa.iv";
+  /**
+   * Property name of an optional {@link SecureRandom} instance to use. The
+   * default is to use a {@link gnu.java.security.util.PRNG} instance.
+   */
+  String SOURCE_OF_RANDOMNESS = "gnu.crypto.kwa.prng";
+
+  /**
+   * Returns the canonical name of this Key Wrapping Algorithm.
+   * 
+   * @return the canonical name of this Key Wrapping Algorithm.
+   */
+  String name();
+
+  /**
+   * Initializes this instance with the designated algorithm specific
+   * attributes.
+   * 
+   * @param attributes a map of name-to-value pairs the Key Wrapping Algorithm
+   *          must use for its setup.
+   * @throws InvalidKeyException if an exception is encountered while seting up
+   *           the Key Wrapping Algorithm keying material (KEK).
+   */
+  void init(Map attributes) throws InvalidKeyException;
+
+  /**
+   * Wraps the designated plain text bytes.
+   * 
+   * @param in the input byte array containing the plain text.
+   * @param inOffset the offset into <code>in</code> where the first byte of
+   *          the plain text (key material) to wrap is located.
+   * @param length the number of bytes to wrap.
+   * @param out the output byte array where the wrapped key material will be
+   *          stored.
+   * @param outOffset the offset into <code>out</code> of the first wrapped
+   *          byte.
+   * @return the number of bytes of the wrapped key material; i.e. the length,
+   *         in <code>out</code>, starting from <code>outOffset</code>
+   *         where the cipher text (wrapped key material) are stored.
+   * @throws ShortBufferException if the output buffer is not long enough to
+   *           accomodate the number of bytes resulting from wrapping the plain
+   *           text.
+   */
+  int wrap(byte[] in, int inOffset, int length, byte[] out, int outOffset)
+      throws ShortBufferException;
+
+  /**
+   * Wraps the designated plain text bytes.
+   * 
+   * @param in the input byte array containing the plain text.
+   * @param inOffset the offset into <code>in</code> where the first byte of
+   *          the plain text (key material) to wrap is located.
+   * @param length the number of bytes to wrap.
+   * @return a newly allocated byte array containing the cipher text.
+   */
+  byte[] wrap(byte[] in, int inOffset, int length);
+
+  /**
+   * Unwraps the designated cipher text bytes.
+   * 
+   * @param in the input byte array containing the cipher text.
+   * @param inOffset the offset into <code>in</code> where the first byte of
+   *          the cipher text (already wrapped key material) to unwrap is
+   *          located.
+   * @param length the number of bytes to unwrap.
+   * @param out the output byte array where the unwrapped key material will be
+   *          stored.
+   * @param outOffset the offset into <code>out</code> of the first unwrapped
+   *          byte.
+   * @return the number of bytes of the unwrapped key material; i.e. the length,
+   *         in <code>out</code>, starting from <code>outOffset</code>
+   *         where the plain text (unwrapped key material) are stored.
+   * @throws ShortBufferException if the output buffer is not long enough to
+   *           accomodate the number of bytes resulting from unwrapping the
+   *           cipher text.
+   * @throws KeyUnwrappingException if after unwrapping the cipher text, the
+   *           bytes at the begining did not match the initial value.
+   */
+  int unwrap(byte[] in, int inOffset, int length, byte[] out, int outOffset)
+      throws ShortBufferException, KeyUnwrappingException;
+
+  /**
+   * Unwraps the designated cipher text bytes.
+   * 
+   * @param in the input byte array containing the cipher text.
+   * @param inOffset the offset into <code>in</code> where the first byte of
+   *          the cipher text (already wrapped key material) to unwrap is
+   *          located.
+   * @param length the number of bytes to unwrap.
+   * @return a newly allocated byte array containing the plain text.
+   * @throws KeyUnwrappingException if after unwrapping the cipher text, the
+   *           bytes at the begining did not match the initial value.
+   */
+  byte[] unwrap(byte[] in, int inOffset, int length)
+      throws KeyUnwrappingException;
+}