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diff --git a/libjava/classpath/gnu/java/security/provider/GnuDSAPrivateKey.java b/libjava/classpath/gnu/java/security/provider/GnuDSAPrivateKey.java
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+++ b/libjava/classpath/gnu/java/security/provider/GnuDSAPrivateKey.java
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+/* GnuDSAPrivateKey.java --- Gnu DSA Private Key
+   Copyright (C) 1999,2003,2004  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 gnu.java.security.provider;
+
+import gnu.java.security.OID;
+import gnu.java.security.der.DER;
+import gnu.java.security.der.DERValue;
+import gnu.java.security.der.DERWriter;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.math.BigInteger;
+import java.security.interfaces.DSAParams;
+import java.security.interfaces.DSAPrivateKey;
+import java.security.spec.DSAParameterSpec;
+import java.util.ArrayList;
+
+public class GnuDSAPrivateKey implements DSAPrivateKey
+{
+  private byte[] encodedKey;
+  BigInteger x;
+  BigInteger p;
+  BigInteger q;
+  BigInteger g;
+
+  public GnuDSAPrivateKey(BigInteger x, BigInteger p, BigInteger q, BigInteger g )
+  {
+    this.x = x;
+    this.p = p;
+    this.q = q;
+    this.g = g;
+  }
+
+  public String getAlgorithm()
+  {
+    return "DSA";
+  }
+
+  public String getFormat()
+  {
+    return "PKCS#8";
+  }
+
+  /**
+   * Encodes this key as a <code>PrivateKeyInfo</code>, as described in
+   * PKCS #8. The ASN.1 specification for this structure is:
+   *
+   * <blockquote><pre>
+   * PrivateKeyInfo ::= SEQUENCE {
+   *   version Version,
+   *   privateKeyAlgorithm PrivateKeyAlgorithmIdentifier,
+   *   privateKey PrivateKey,
+   *   attributes [0] IMPLICIT Attributes OPTIONAL }
+   *
+   * Version ::= INTEGER
+   *
+   * PrivateKeyAlgorithmIdentifier ::= AlgorithmIdentifier
+   *
+   * PrivateKey ::= OCTET STRING
+   *
+   * Attributes ::= SET OF Attribute
+   * </pre></blockquote>
+   *
+   * <p>DSA private keys (in Classpath at least) have no attributes.
+   */
+  public byte[] getEncoded()
+  {
+    if (encodedKey != null)
+      return (byte[]) encodedKey.clone();
+    try
+      {
+        ByteArrayOutputStream out = new ByteArrayOutputStream();
+        ArrayList pki = new ArrayList(3);
+        pki.add(new DERValue(DER.INTEGER, BigInteger.ZERO));
+        ArrayList algId = new ArrayList(2);
+        algId.add(new DERValue(DER.OBJECT_IDENTIFIER,
+                  new OID("1.2.840.10040.4.1")));
+        ArrayList algParams = new ArrayList(3);
+        algParams.add(new DERValue(DER.INTEGER, p));
+        algParams.add(new DERValue(DER.INTEGER, q));
+        algParams.add(new DERValue(DER.INTEGER, g));
+        algId.add(new DERValue(DER.CONSTRUCTED|DER.SEQUENCE, algParams));
+        pki.add(new DERValue(DER.OCTET_STRING, x.toByteArray()));
+        DERWriter.write(out, new DERValue(DER.CONSTRUCTED|DER.SEQUENCE, pki));
+        return (byte[]) (encodedKey = out.toByteArray()).clone();
+      }
+    catch (IOException ioe)
+      {
+        return null;
+      }
+  }
+
+  public DSAParams getParams()
+  {
+    return (DSAParams)(new DSAParameterSpec(p,q,g));
+  }
+
+  public BigInteger getX()
+  {
+    return x;
+  }
+
+  public String toString()
+  {
+    return "GnuDSAPrivateKey: x="
+      + (x != null ? x.toString(16) : "null") + " p="
+      + (p != null ? p.toString(16) : "null") + " q="
+      + (q != null ? q.toString(16) : "null") + " g="
+      + (g != null ? g.toString(16) : "null");
+  }
+}