1 files changed, 112 insertions, 0 deletions
diff --git a/base/util/src/netscape/security/x509/UniqueIdentity.java b/base/util/src/netscape/security/x509/UniqueIdentity.java
new file mode 100644
index 000000000..5113efeaf
--- /dev/null
+++ b/base/util/src/netscape/security/x509/UniqueIdentity.java
@@ -0,0 +1,112 @@
+// --- 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.x509;
+
+import java.io.IOException;
+
+import netscape.security.util.BitArray;
+import netscape.security.util.DerInputStream;
+import netscape.security.util.DerOutputStream;
+import netscape.security.util.DerValue;
+
+/**
+ * This class defines the UniqueIdentity class used by certificates.
+ * 
+ * @author Amit Kapoor
+ * @author Hemma Prafullchandra
+ * @version 1.6
+ */
+public class UniqueIdentity {
+    // Private data members
+    private BitArray id;
+
+    /**
+     * The default constructor for this class.
+     * 
+     * @param id the byte array containing the unique identifier.
+     */
+    public UniqueIdentity(BitArray id) {
+        this.id = id;
+    }
+
+    /**
+     * The default constructor for this class.
+     * 
+     * @param id the byte array containing the unique identifier.
+     */
+    public UniqueIdentity(byte[] id) {
+        this.id = new BitArray(id.length * 8, id);
+    }
+
+    /**
+     * Create the object, decoding the values from the passed DER stream.
+     * 
+     * @param in the DerInputStream to read the UniqueIdentity from.
+     * @exception IOException on decoding errors.
+     */
+    public UniqueIdentity(DerInputStream in) throws IOException {
+        DerValue derVal = in.getDerValue();
+        id = derVal.getUnalignedBitString(true);
+    }
+
+    /**
+     * Create the object, decoding the values from the passed DER stream.
+     * 
+     * @param derVal the DerValue decoded from the stream.
+     * @param tag the tag the value is encoded under.
+     * @exception IOException on decoding errors.
+     */
+    public UniqueIdentity(DerValue derVal) throws IOException {
+        id = derVal.getUnalignedBitString(true);
+    }
+
+    /**
+     * Return the UniqueIdentity as a printable string.
+     */
+    public String toString() {
+        return ("UniqueIdentity:" + id.toString() + "\n");
+    }
+
+    /**
+     * Encode the UniqueIdentity in DER form to the stream.
+     * 
+     * @param out the DerOutputStream to marshal the contents to.
+     * @param tag enocode it under the following tag.
+     * @exception IOException on errors.
+     */
+    public void encode(DerOutputStream out, byte tag) throws IOException {
+        byte[] bytes = id.toByteArray();
+        int excessBits = bytes.length * 8 - id.length();
+
+        out.write(tag);
+        out.putLength(bytes.length + 1);
+
+        out.write(excessBits);
+        out.write(bytes);
+    }
+
+    /**
+     * Return the unique id.
+     */
+    public boolean[] getId() {
+        if (id == null)
+            return null;
+
+        return id.toBooleanArray();
+    }
+}