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diff --git a/libjava/classpath/java/security/cert/CertificateFactory.java b/libjava/classpath/java/security/cert/CertificateFactory.java
new file mode 100644
index 000000000..4fd5b3965
--- /dev/null
+++ b/libjava/classpath/java/security/cert/CertificateFactory.java
@@ -0,0 +1,355 @@
+/* CertificateFactory.java -- Certificate Factory Class
+   Copyright (C) 1999, 2002, 2003, 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 java.security.cert;
+
+import gnu.java.security.Engine;
+
+import java.io.InputStream;
+import java.lang.reflect.InvocationTargetException;
+import java.security.NoSuchAlgorithmException;
+import java.security.NoSuchProviderException;
+import java.security.Provider;
+import java.security.Security;
+import java.util.Collection;
+import java.util.Iterator;
+import java.util.List;
+
+/**
+ * This class implements the CertificateFactory class interface used to
+ * generate certificates, certificate revocation lists (CRLs), and certificate
+ * paths objects from their encoded forms.
+ *
+ * @author Mark Benvenuto
+ * @author Casey Marshall
+ * @since 1.2
+ * @status Fully compatible with JDK 1.4.
+ */
+public class CertificateFactory
+{
+
+  /** The service name for certificate factories. */
+  private static final String CERTIFICATE_FACTORY = "CertificateFactory";
+
+  private CertificateFactorySpi certFacSpi;
+  private Provider provider;
+  private String type;
+
+  /**
+   * Creates an instance of CertificateFactory.
+   *
+   * @param certFacSpi The underlying CertificateFactory engine.
+   * @param provider   The provider of this implementation.
+   * @param type       The type of Certificate this factory creates.
+   */
+  protected CertificateFactory(CertificateFactorySpi certFacSpi,
+                               Provider provider, String type)
+  {
+    this.certFacSpi = certFacSpi;
+    this.provider = provider;
+    this.type = type;
+  }
+
+  /**
+   * Returns an instance of a <code>CertificateFactory</code> representing the
+   * specified certificate factory type.
+   *
+   * @param type The type of certificate factory to create.
+   * @return A <code>CertificateFactory</code> of the desired type.
+   * @throws CertificateException If the type of certificate factory is not
+   *           implemented by any installed provider.
+   * @throws IllegalArgumentException if <code>type</code> is
+   *           <code>null</code> or is an empty string.
+   */
+  public static final CertificateFactory getInstance(String type)
+      throws CertificateException
+  {
+    Provider[] p = Security.getProviders();
+    CertificateException lastException = null;
+    for (int i = 0; i < p.length; i++)
+      try
+        {
+          return getInstance(type, p[i]);
+        }
+      catch (CertificateException x)
+        {
+          lastException = x;
+        }
+    if (lastException != null)
+      throw lastException;
+    throw new CertificateException(type);
+  }
+
+  /**
+   * Returns an instance of a <code>CertificateFactory</code> representing the
+   * specified certificate factory type from the named provider.
+   *
+   * @param type The type of certificate factory to create.
+   * @param provider The name of the provider to use.
+   * @return A <code>CertificateFactory</code> for the desired type.
+   * @throws CertificateException If the type of certificate is not implemented
+   *           by the named provider.
+   * @throws NoSuchProviderException If the named provider is not installed.
+   * @throws IllegalArgumentException if either <code>type</code> or
+   *           <code>provider</code> is <code>null</code>, or if
+   *           <code>type</code> is an empty string.
+   */
+  public static final CertificateFactory getInstance(String type,
+                                                     String provider)
+    throws CertificateException, NoSuchProviderException
+  {
+    if (provider == null)
+      throw new IllegalArgumentException("provider MUST NOT be null");
+    Provider p = Security.getProvider(provider);
+    if (p == null)
+      throw new NoSuchProviderException(provider);
+    return getInstance(type, p);
+  }
+
+  /**
+   * Returns an instance of a <code>CertificateFactory</code> representing the
+   * specified certificate factory type from the designated provider.
+   *
+   * @param type The type of certificate factory to create.
+   * @param provider The provider from which to get the implementation.
+   * @return A <code>CertificateFactory</code> for the desired type.
+   * @throws CertificateException If the type of certificate is not implemented
+   *           by the provider.
+   * @throws IllegalArgumentException if either <code>type</code> or
+   *           <code>provider</code> is <code>null</code>, or if
+   *           <code>type</code> is an empty string.
+   */
+  public static final CertificateFactory getInstance(String type,
+                                                     Provider provider)
+      throws CertificateException
+  {
+    Throwable cause;
+    try
+      {
+        Object spi = Engine.getInstance(CERTIFICATE_FACTORY, type, provider);
+        return new CertificateFactory((CertificateFactorySpi) spi, provider, type);
+      }
+    catch (ClassCastException x)
+      {
+        cause = x;
+      }
+    catch (InvocationTargetException x)
+      {
+        cause = x.getCause() != null ? x.getCause() : x;
+      }
+    catch (NoSuchAlgorithmException x)
+      {
+        cause = x;
+      }
+    CertificateException x = new CertificateException(type);
+    x.initCause(cause);
+    throw x;
+  }
+
+  /**
+   * Gets the provider of this implementation.
+   *
+   * @return The provider of this implementation.
+   */
+  public final Provider getProvider()
+  {
+    return provider;
+  }
+
+  /**
+   * Returns the type of the certificate this factory creates.
+   *
+   * @return A string with the type of certificate
+   */
+  public final String getType()
+  {
+    return type;
+  }
+
+  /**
+   * Generates a Certificate from the encoded data read
+   * from an InputStream.
+   *
+   * <p>The input stream must contain only one certificate.
+   *
+   * <p>If there exists a specialized certificate class for the
+   * certificate format handled by the certificate factory
+   * then the return Ceritificate should be a typecast of it.
+   * Ex: A X.509 CertificateFactory should return X509Certificate.
+   *
+   * <p>For X.509 certificates, the certificate in inStream must be
+   * DER encoded and supplied in binary or printable (Base64)
+   * encoding. If the certificate is in Base64 encoding, it must be
+   * bounded by -----BEGINCERTIFICATE-----, and
+   * -----END CERTIFICATE-----.
+   *
+   * @param inStream An input stream containing the certificate data.
+   * @return A certificate initialized from the decoded InputStream data.
+   * @throws CertificateException If an error occurs decoding the
+   *   certificate.
+   */
+  public final Certificate generateCertificate(InputStream inStream)
+    throws CertificateException
+  {
+    return certFacSpi.engineGenerateCertificate(inStream);
+  }
+
+  /**
+   * Returns a collection of certificates that were read from the
+   * input stream. It may be empty, have only one, or have
+   * multiple certificates.
+   *
+   * For a X.509 certificate factory, the stream may contain a
+   * single DER encoded certificate or a PKCS#7 certificate
+   * chain. This is a PKCS#7 <I>SignedData</I> object with the
+   * most significant field being <I>certificates</I>. If no
+   * CRLs are present, then an empty collection is returned.
+         *
+   * @param inStream An input stream containing the certificate data.
+   * @return A collection of certificates initialized from the decoded
+   *   InputStream data.
+   * @throws CertificateException If an error occurs decoding the
+   *   certificates.
+   */
+  public final Collection<? extends Certificate> generateCertificates(InputStream inStream)
+    throws CertificateException
+  {
+    return certFacSpi.engineGenerateCertificates(inStream);
+  }
+
+  /**
+   * Generates a CRL based on the encoded data read
+   * from the InputStream.
+   *
+   * <p>The input stream must contain only one CRL.
+   *
+   * <p>If there exists a specialized CRL class for the
+   * CRL format handled by the certificate factory
+   * then the return CRL should be a typecast of it.
+   * Ex: A X.509 CertificateFactory should return X509CRL.
+   *
+   * @param inStream An input stream containing the CRL data.
+   * @return A CRL initialized from the decoded InputStream data.
+   * @throws CRLException If an error occurs decoding the CRL.
+   */
+  public final CRL generateCRL(InputStream inStream)
+    throws CRLException
+  {
+    return certFacSpi.engineGenerateCRL(inStream);
+  }
+
+  /**
+   * <p>Generates CRLs based on the encoded data read
+   * from the InputStream.
+   *
+   * <p>For a X.509 certificate factory, the stream may contain a
+   * single DER encoded CRL or a PKCS#7 CRL set. This is a
+   * PKCS#7 <I>SignedData</I> object with the most significant
+   * field being <I>crls</I>. If no CRLs are present, then an
+   * empty collection is returned.
+   *
+   * @param inStream an input stream containing the CRLs.
+   * @return a collection of CRLs initialized from the decoded
+   *    InputStream data.
+   * @throws CRLException If an error occurs decoding the CRLs.
+   */
+  public final Collection<? extends CRL> generateCRLs(InputStream inStream)
+    throws CRLException
+  {
+    return certFacSpi.engineGenerateCRLs( inStream );
+  }
+
+  /**
+   * Generate a {@link CertPath} and initialize it with data parsed from
+   * the input stream. The default encoding of this factory is used.
+   *
+   * @param inStream The InputStream containing the CertPath data.
+   * @return A CertPath initialized from the input stream data.
+   * @throws CertificateException If an error occurs decoding the
+   * CertPath.
+   */
+  public final CertPath generateCertPath(InputStream inStream)
+    throws CertificateException
+  {
+    return certFacSpi.engineGenerateCertPath(inStream);
+  }
+
+  /**
+   * Generate a {@link CertPath} and initialize it with data parsed from
+   * the input stream, using the specified encoding.
+   *
+   * @param inStream The InputStream containing the CertPath data.
+   * @param encoding The encoding of the InputStream data.
+   * @return A CertPath initialized from the input stream data.
+   * @throws CertificateException If an error occurs decoding the
+   *   CertPath.
+   */
+  public final CertPath generateCertPath(InputStream inStream, String encoding)
+    throws CertificateException
+  {
+    return certFacSpi.engineGenerateCertPath(inStream, encoding);
+  }
+
+  /**
+   * Generate a {@link CertPath} and initialize it with the certificates
+   * in the {@link java.util.List} argument.
+   *
+   * @param certificates The list of certificates with which to create
+   *   the CertPath.
+   * @return A CertPath initialized from the certificates.
+   * @throws CertificateException If an error occurs generating the
+   *   CertPath.
+   */
+  public final CertPath generateCertPath(List<? extends Certificate> certificates)
+    throws CertificateException
+  {
+    return certFacSpi.engineGenerateCertPath(certificates);
+  }
+
+  /**
+   * Returns an Iterator of CertPath encodings supported by this
+   * factory, with the default encoding first. The returned Iterator
+   * cannot be modified.
+   *
+   * @return The Iterator of supported encodings.
+   */
+  public final Iterator<String> getCertPathEncodings()
+  {
+    return certFacSpi.engineGetCertPathEncodings();
+  }
+} // class CertificateFactory