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diff --git a/pki/base/util/src/netscape/security/extensions/NSCertTypeExtension.java b/pki/base/util/src/netscape/security/extensions/NSCertTypeExtension.java
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+++ b/pki/base/util/src/netscape/security/extensions/NSCertTypeExtension.java
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+// --- BEGIN COPYRIGHT BLOCK ---
+// This program 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; version 2 of the License.
+//
+// This program 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 this program; if not, write to the Free Software Foundation, Inc.,
+// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+//
+// (C) 2007 Red Hat, Inc.
+// All rights reserved.
+// --- END COPYRIGHT BLOCK ---
+package netscape.security.extensions;
+
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.util.*;
+
+import java.security.cert.CertificateException;
+import netscape.security.x509.*;
+import netscape.security.util.*;
+
+/**
+ * NSCertTypeExtension
+ * Represents Netscape Certificate Type Extension
+ *
+ * <p>This deprecated extension, if present, defines both the purpose
+ * (e.g., encipherment, signature, certificate signing) and the application
+ * (e.g., SSL, S/Mime or Object Signing of the key contained in the
+ * certificate.
+ *
+ * @author galperin
+ * @version $Revision$, $Date$
+ */
+public class NSCertTypeExtension extends Extension implements CertAttrSet {
+
+    // The object identifiers
+    private static final int CertType_data[] = { 2, 16, 840, 1, 113730, 1, 1 };
+
+    /**
+     * Identifies the particular public key used to sign the certificate.
+     */
+    public static final ObjectIdentifier CertType_Id = new
+        ObjectIdentifier(CertType_data);
+
+   /**
+    * Attribute names.
+    */
+   public static final String NAME = "NSCertType";
+   public static final String SSL_CLIENT = "ssl_client";
+   public static final String SSL_SERVER = "ssl_server";
+   public static final String EMAIL = "email";
+   public static final String OBJECT_SIGNING = "object_signing";
+   public static final String SSL_CA = "ssl_ca";
+   public static final String EMAIL_CA = "email_ca";
+   public static final String OBJECT_SIGNING_CA = "object_signing_ca";
+
+   /**
+    * Attribute names.
+    */
+   public static final int SSL_CLIENT_BIT = 0;
+   public static final int SSL_SERVER_BIT = 1;
+   public static final int EMAIL_BIT = 2;
+   public static final int OBJECT_SIGNING_BIT = 3;
+   // 4 is reserved.
+   public static final int SSL_CA_BIT = 5;
+   public static final int EMAIL_CA_BIT = 6;
+   public static final int OBJECT_SIGNING_CA_BIT = 7;
+
+   public static final int NBITS = 8;
+
+    /**
+     * Identifier for this attribute, to be used with the
+     * get, set, delete methods of Certificate, x509 type.
+     */
+    public static final String IDENT = "x509.info.extensions.NSCertType";
+
+    // Private data members
+    private byte[] mBitString;
+
+    private static class MapEntry {
+        String mName;
+        int mPosition;
+
+        MapEntry(String name, int position) {
+            mName = name;
+            mPosition = position;
+        }
+    }
+
+    private static MapEntry[] mMapData =
+        {
+            new MapEntry(SSL_CLIENT, 0),
+            new MapEntry(SSL_SERVER, 1),
+            new MapEntry(EMAIL, 2),
+            new MapEntry(OBJECT_SIGNING, 3),
+            // note that bit 4 is reserved
+            new MapEntry(SSL_CA, 5),
+            new MapEntry(EMAIL_CA, 6),
+            new MapEntry(OBJECT_SIGNING_CA, 7),
+        };
+
+    private static Vector mAttributeNames = new Vector();
+
+    static {
+        for (int i = 0; i < mMapData.length; ++i) {
+            mAttributeNames.addElement(mMapData[i].mName);
+        }
+    }
+
+    private static int getPosition(String name) throws CertificateException {
+        for (int i = 0; i < mMapData.length; ++i) {
+            if (name.equalsIgnoreCase(mMapData[i].mName))
+                return mMapData[i].mPosition;
+        }
+        throw new CertificateException("Attribute name [" + name
+                + "] not recognized by"
+                + " CertAttrSet:NSCertType.");
+    }
+
+    // Encode this extension value
+    private void encodeThis() throws IOException {
+        DerOutputStream os = new DerOutputStream();
+
+        os.putUnalignedBitString(mBitString);
+        this.extensionValue = os.toByteArray();
+    }
+
+    /**
+     * Check if bit is set.
+     *
+     * @param position the position in the bit string to check.
+     */
+    public boolean isSet(int position) {
+        int index = position / 8;
+        byte pos = (byte) (1 << (7 - (position % 8)));
+
+        if (mBitString.length <= index)
+            return false;
+        return ((mBitString[index] & pos) != 0);
+    }
+
+    /**
+     * Set the bit at the specified position.
+     */
+    public void set(int position, boolean val) {
+        int index = position / 8;
+        byte pos = (byte) (1 << (7 - (position % 8)));
+
+        if (index >= mBitString.length) {
+            byte[] tmp = new byte[index + 1];
+
+            System.arraycopy(mBitString, 0, tmp, 0, mBitString.length);
+            mBitString = tmp;
+        }
+        if (val) {
+            mBitString[index] |= pos;
+        } else {
+            mBitString[index] &= ~pos;
+        }
+    }
+
+    /**
+     * Create NSCertTypeExtension from boolean array.
+     * The criticality is set to false.
+     */
+    public NSCertTypeExtension(boolean critical, boolean[] bits) {
+        this.extensionId = CertType_Id;
+        this.critical = critical;
+        this.mBitString = new byte[0];
+
+        for (int i = 0; i < bits.length && i < 8; i++) {
+            set(i, bits[i]);
+        }
+    }
+
+    public NSCertTypeExtension(boolean[] bits) {
+        this.extensionId = CertType_Id;
+        this.critical = false;
+        this.mBitString = new byte[0];
+
+        for (int i = 0; i < bits.length && i < 8; i++) {
+            set(i, bits[i]);
+        }
+    }
+
+    /**
+     * Create a NSCertTypeExtension with the passed bit settings.
+     * The criticality is set to false.
+     *
+     * @param bitString the bits to be set for the extension.
+     */
+    public NSCertTypeExtension(boolean critical, byte[] bitString) throws IOException {
+        this.mBitString = bitString;
+        this.extensionId = CertType_Id;
+        this.critical = critical;
+        encodeThis();
+    }
+
+    public NSCertTypeExtension(byte[] bitString) throws IOException {
+        this.mBitString = bitString;
+        this.extensionId = CertType_Id;
+        this.critical = false;
+        encodeThis();
+    }
+
+    /**
+     * Create the extension from the passed DER encoded value of the same.
+     *
+     * @param critical true if the extension is to be treated as critical.
+     * @param value Array of DER encoded bytes of the actual value.
+     * @exception IOException on error.
+     */
+    public NSCertTypeExtension(Boolean critical, Object value)
+        throws IOException {
+
+        /**
+         Debug.trace("NSCertTypeExtension");
+         this.mBitString = new byte[1];
+         this.mBitString[0] = (byte)0x00;
+         return;
+         **/
+
+        this.extensionId = CertType_Id;
+        this.critical = critical.booleanValue();
+        byte[] extValue = (byte[]) ((byte[]) value).clone();
+
+        this.extensionValue = extValue;
+        DerValue val = new DerValue(extValue);
+
+        this.mBitString = val.getUnalignedBitString().toByteArray();
+    }
+
+    /**
+     * Create a default key usage.
+     */
+    public NSCertTypeExtension() {
+        this.extensionId = CertType_Id;
+        this.critical = false;
+        this.mBitString = new byte[0];
+	try {
+		encodeThis();
+	} catch (Exception e) {
+	}
+    }
+
+    /**
+     * Set the attribute value.
+     */
+    public void set(String name, Object obj) throws CertificateException {
+        if (!(obj instanceof Boolean)) {
+            throw new CertificateException
+                ("Attribute must be of type Boolean.");
+        }
+        boolean val = ((Boolean) obj).booleanValue();
+
+        set(getPosition(name), val);
+    }
+
+    /**
+     * Get the attribute value.
+     */
+    public Object get(String name) throws CertificateException {
+        return new Boolean(isSet(getPosition(name)));
+    }
+
+    /**
+     * Delete the attribute value.
+     */
+    public void delete(String name) throws CertificateException {
+        set(getPosition(name), false);
+    }
+
+    /**
+     * Returns a printable representation of the NSCertType.
+     */
+    public String toString() {
+        String s = super.toString() + "NSCertType [\n";
+
+        try {
+
+            if (isSet(getPosition(SSL_CLIENT))) {
+                s += "   SSL client";
+            }
+            if (isSet(getPosition(SSL_SERVER))) {
+                s += "   SSL server";
+            }
+
+            if (isSet(getPosition(EMAIL))) {
+                s += "   Email";
+            }
+
+            if (isSet(getPosition(OBJECT_SIGNING))) {
+                s += "   Object Signing";
+            }
+
+            if (isSet(getPosition(SSL_CA))) {
+                s += "   SSL CA";
+            }
+
+            if (isSet(getPosition(EMAIL_CA))) {
+                s += "   Email CA";
+            }
+
+            if (isSet(getPosition(OBJECT_SIGNING_CA))) {
+                s += "   Object Signing CA";
+            }
+
+        } catch (Exception e) {
+            // this is reached only if there is a bug
+            throw new IllegalArgumentException(e.getMessage());
+        }
+
+        s += "]\n";
+
+        return (s);
+    }
+
+    /**
+     * Decode the extension from the InputStream.
+     *
+     * @param in the InputStream to unmarshal the contents from.
+     * @exception IOException on decoding or validity errors.
+     */
+    public void decode(InputStream in) throws IOException {
+        throw new IOException("Method not to be called directly.");
+    }
+
+    /**
+     * Write the extension to the DerOutputStream.
+     *
+     * @param out the DerOutputStream to write the extension to.
+     * @exception IOException on encoding errors.
+     */
+    public void encode(OutputStream out) throws IOException {
+        DerOutputStream	tmp = new DerOutputStream();
+
+        encodeThis();
+        if (this.extensionValue == null) {
+            this.extensionId = CertType_Id;
+            this.critical = true;
+        }
+        super.encode(tmp);
+        out.write(tmp.toByteArray());
+    }
+
+    /**
+     * Return an enumeration of names of attributes existing within this
+     * attribute.
+     */
+    public Enumeration getElements() {
+        return mAttributeNames.elements();
+    }
+
+    /**
+     * Return the name of this attribute.
+     */
+    public String getName() {
+        return (NAME);
+    }
+
+    public static void main(String[] argv) {
+    }
+}