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diff --git a/gcc-4.4.3/libjava/classpath/gnu/java/security/sig/rsa/RSASignatureFactory.java b/gcc-4.4.3/libjava/classpath/gnu/java/security/sig/rsa/RSASignatureFactory.java
new file mode 100644
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+++ b/gcc-4.4.3/libjava/classpath/gnu/java/security/sig/rsa/RSASignatureFactory.java
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+/* RSASignatureFactory.java -- A Factory class to instantiate RSA Signatures
+   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.java.security.sig.rsa;
+
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.Set;
+
+import gnu.java.security.Registry;
+import gnu.java.security.hash.HashFactory;
+import gnu.java.security.hash.IMessageDigest;
+import gnu.java.security.sig.ISignature;
+
+/**
+ * A Factory class to instantiate RSA Signature classes.
+ */
+public class RSASignatureFactory
+{
+  private static Set names;
+
+  /**
+   * Private constructor to enforce usage through Factory (class) methods.
+   */
+  private RSASignatureFactory()
+  {
+    super();
+  }
+
+  /**
+   * Returns a new instance of an RSA Signature given its name. The name of an
+   * RSA Signature always starts with <code>rsa-</code>, followed by either
+   * <code>pss</code> or <code>pkcs1_v1.5</code>. An optional message digest
+   * name, to be used with the RSA signature may be specified by appending the
+   * hyphen chanaracter <code>-</code> followed by the canonical message digest
+   * algorithm name. When no message digest algorithm name is given, SHA-160 is
+   * used.
+   *  
+   * @param name the composite RSA signature name.
+   * @return a new instance of an RSA Signature algorithm implementation.
+   * Returns <code>null</code> if the given name does not correspond to any
+   * supported RSA Signature encoding and message digest combination.
+   */
+  public static final ISignature getInstance(String name)
+  {
+    if (name == null)
+      return null;
+
+    name = name.trim();
+    if (name.length() == 0)
+      return null;
+
+    name = name.toLowerCase();
+    if (! name.startsWith(Registry.RSA_SIG_PREFIX))
+      return null;
+
+    name = name.substring(Registry.RSA_SIG_PREFIX.length()).trim();
+    if (name.startsWith(Registry.RSA_PSS_ENCODING))
+      return getPSSSignature(name);
+    else if (name.startsWith(Registry.RSA_PKCS1_V1_5_ENCODING))
+      return getPKCS1Signature(name);
+    else
+      return null;
+  }
+
+  /**
+   * Returns a {@link Set} of names of <i>RSA</i> signatures supported by this
+   * <i>Factory</i>.
+   * 
+   * @return a {@link Set} of RSA Signature algorithm names (Strings).
+   */
+  public static synchronized final Set getNames()
+  {
+    if (names == null)
+      {
+        Set hashNames = HashFactory.getNames();
+        HashSet hs = new HashSet();
+        for (Iterator it = hashNames.iterator(); it.hasNext();)
+          {
+            String mdName = (String) it.next();
+            hs.add(Registry.RSA_PSS_SIG + "-" + mdName);
+          }
+
+        hs.add(Registry.RSA_PKCS1_V1_5_SIG + "-" + Registry.MD2_HASH);
+        hs.add(Registry.RSA_PKCS1_V1_5_SIG + "-" + Registry.MD5_HASH);
+        hs.add(Registry.RSA_PKCS1_V1_5_SIG + "-" + Registry.SHA160_HASH);
+        hs.add(Registry.RSA_PKCS1_V1_5_SIG + "-" + Registry.SHA256_HASH);
+        hs.add(Registry.RSA_PKCS1_V1_5_SIG + "-" + Registry.SHA384_HASH);
+        hs.add(Registry.RSA_PKCS1_V1_5_SIG + "-" + Registry.SHA512_HASH);
+
+        names = Collections.unmodifiableSet(hs);
+      }
+
+    return names;
+  }
+
+  private static final ISignature getPSSSignature(String name)
+  {
+    name = name.substring(Registry.RSA_PSS_ENCODING.length()).trim();
+    // remove the hyphen if found at the beginning
+    if (name.startsWith("-"))
+      name = name.substring(1).trim();
+
+    IMessageDigest md;
+    if (name.length() == 0)
+      md = HashFactory.getInstance(Registry.SHA160_HASH);
+    else
+      {
+        // check if there is such a hash
+        md = HashFactory.getInstance(name);
+        if (md == null)
+          return null;
+      }
+
+    ISignature result = new RSAPSSSignature(md, 0);
+    return result;
+  }
+
+  private static final ISignature getPKCS1Signature(String name)
+  {
+    name = name.substring(Registry.RSA_PKCS1_V1_5_ENCODING.length()).trim();
+    // remove the hyphen if found at the beginning
+    if (name.startsWith("-"))
+      name = name.substring(1).trim();
+
+    IMessageDigest md;
+    if (name.length() == 0)
+      md = HashFactory.getInstance(Registry.SHA160_HASH);
+    else
+      {
+        // check if there is such a hash
+        md = HashFactory.getInstance(name);
+        if (md == null)
+          return null;
+      }
+
+    ISignature result = new RSAPKCS1V1_5Signature(md);
+    return result;
+  }
+}