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diff --git a/libjava/classpath/gnu/javax/net/ssl/provider/Extensions.java b/libjava/classpath/gnu/javax/net/ssl/provider/Extensions.java
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+++ b/libjava/classpath/gnu/javax/net/ssl/provider/Extensions.java
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+/* Extensions.java -- various static extension utilities.
+   Copyright (C) 2006  Free Software Foundation, Inc.
+
+This file is a 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 of the License, 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; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, 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.net.ssl.provider;
+
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.io.UnsupportedEncodingException;
+import java.util.Collections;
+import java.util.LinkedList;
+import java.util.List;
+
+import javax.security.auth.x500.X500Principal;
+
+import gnu.java.security.x509.X500DistinguishedName;
+
+final class Extensions
+{
+
+  // Constants.
+  // -------------------------------------------------------------------------
+
+  private static final Integer _512  = new Integer(512),
+    _1024 = new Integer(1024), _2048 = new Integer(2048),
+    _4096 = new Integer(4096);
+
+  // Class methods only.
+  private Extensions() { }
+
+  // Class methods.
+  // -------------------------------------------------------------------------
+
+  static List getServerName(Extension ex)
+  {
+    LinkedList l = new LinkedList();
+    byte[] buf = ex.getValue();
+    int pos = 0;
+    try
+      {
+        while (pos < buf.length)
+          {
+            if (buf[pos++] != 0)
+              break;
+            int len = (buf[pos++] & 0xFF) << 8;
+            len |= buf[pos++] & 0xFF;
+            l.add(new String(buf, pos, len, "UTF-8"));
+            pos += len;
+          }
+      }
+    catch (Exception x)
+      {
+      }
+    return Collections.unmodifiableList(l);
+  }
+
+  static List getClientCertTypes(Extension ex) throws IOException
+  {
+    List l = new LinkedList();
+    ByteArrayInputStream in = new ByteArrayInputStream(ex.getValue());
+    final int len = in.read() & 0xFF;
+    for (int i = 0; i < len; i++)
+      {
+        l.add(CertificateType.read(in));
+      }
+    return Collections.unmodifiableList(l);
+  }
+
+  static CertificateType getServerCertType(Extension ex) throws IOException
+  {
+    return CertificateType.read(new ByteArrayInputStream(ex.getValue()));
+  }
+
+  static Integer getMaxFragmentLength(Extension ex)
+  {
+    switch (ex.getValue()[0] & 0xFF)
+      {
+      case 1: return _512;
+      case 2: return _1024;
+      case 3: return _2048;
+      case 4: return _4096;
+      }
+    throw new IllegalArgumentException();
+  }
+
+  static Object[] getTrustedCA(Extension ex)
+  {
+    byte[] buf = ex.getValue();
+    int type = buf[0] & 0xFF;
+    try
+      {
+        switch (type)
+          {
+          case 0:
+            return new Object[] { new Integer(type), null };
+          case 1:
+          case 3:
+            return new Object[] { new Integer(type),
+                                  Util.trim(buf, 1, 20) };
+          case 2:
+            return new Object[] { new Integer(type),
+                                  new X500Principal(Util.trim(buf, 1, 20)) };
+          }
+      }
+    catch (Exception x)
+      {
+      }
+    throw new IllegalArgumentException();
+  }
+
+  static String getSRPUsername(Extension ex)
+  {
+    int len = ex.getValue()[0] & 0xFF;
+    if (len > ex.getValue().length - 1)
+      throw new IllegalArgumentException();
+    try
+      {
+        return new String(ex.getValue(), 1, len, "UTF-8");
+      }
+    catch (UnsupportedEncodingException uee)
+      {
+        throw new Error(uee.toString());
+      }
+  }
+}