1 files changed, 189 insertions, 0 deletions
diff --git a/base/util/src/netscape/security/x509/CertificateAlgorithmId.java b/base/util/src/netscape/security/x509/CertificateAlgorithmId.java
new file mode 100644
index 000000000..41610844e
--- /dev/null
+++ b/base/util/src/netscape/security/x509/CertificateAlgorithmId.java
@@ -0,0 +1,189 @@
+// --- 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 java.io.InputStream;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+import java.io.OutputStream;
+import java.io.Serializable;
+import java.util.Enumeration;
+import java.util.Vector;
+
+import netscape.security.util.DerInputStream;
+import netscape.security.util.DerOutputStream;
+import netscape.security.util.DerValue;
+
+/**
+ * This class defines the AlgorithmId for the Certificate.
+ * 
+ * @author Amit Kapoor
+ * @author Hemma Prafullchandra
+ * @version 1.7
+ */
+public class CertificateAlgorithmId implements CertAttrSet, Serializable {
+    /**
+     *
+     */
+    private static final long serialVersionUID = 6084780721443376563L;
+
+    private AlgorithmId algId;
+
+    /**
+     * Identifier for this attribute, to be used with the
+     * get, set, delete methods of Certificate, x509 type.
+     */
+    public static final String IDENT = "x509.info.algorithmID";
+    /**
+     * Sub attributes name for this CertAttrSet.
+     */
+    public static final String NAME = "algorithmID";
+    public static final String ALGORITHM = "algorithm";
+
+    /**
+     * Default constructor for the certificate attribute.
+     * 
+     * @param algId the Algorithm identifier
+     */
+    public CertificateAlgorithmId(AlgorithmId algId) {
+        this.algId = algId;
+    }
+
+    /**
+     * Create the object, decoding the values from the passed DER stream.
+     * 
+     * @param in the DerInputStream to read the serial number from.
+     * @exception IOException on decoding errors.
+     */
+    public CertificateAlgorithmId(DerInputStream in) throws IOException {
+        DerValue val = in.getDerValue();
+        algId = AlgorithmId.parse(val);
+    }
+
+    /**
+     * Create the object, decoding the values from the passed stream.
+     * 
+     * @param in the InputStream to read the serial number from.
+     * @exception IOException on decoding errors.
+     */
+    public CertificateAlgorithmId(InputStream in) throws IOException {
+        DerValue val = new DerValue(in);
+        algId = AlgorithmId.parse(val);
+    }
+
+    /**
+     * Return the algorithm identifier as user readable string.
+     */
+    public String toString() {
+        if (algId == null)
+            return "";
+        return (algId.toString() +
+                ", OID = " + (algId.getOID()).toString() + "\n");
+    }
+
+    private synchronized void writeObject(ObjectOutputStream stream)
+            throws IOException {
+        encode(stream);
+    }
+
+    private synchronized void readObject(ObjectInputStream stream)
+            throws IOException {
+        decode(stream);
+    }
+
+    /**
+     * Encode the algorithm identifier in DER form to the stream.
+     * 
+     * @param out the DerOutputStream to marshal the contents to.
+     * @exception IOException on errors.
+     */
+    public void encode(OutputStream out) throws IOException {
+        DerOutputStream tmp = new DerOutputStream();
+        algId.encode(tmp);
+
+        out.write(tmp.toByteArray());
+    }
+
+    /**
+     * Decode the algorithm identifier from the passed stream.
+     * 
+     * @param in the InputStream to unmarshal the contents from.
+     * @exception IOException on errors.
+     */
+    public void decode(InputStream in) throws IOException {
+        DerValue derVal = new DerValue(in);
+        algId = AlgorithmId.parse(derVal);
+    }
+
+    /**
+     * Set the attribute value.
+     */
+    public void set(String name, Object obj) throws IOException {
+        if (!(obj instanceof AlgorithmId)) {
+            throw new IOException("Attribute must be of type AlgorithmId.");
+        }
+        if (name.equalsIgnoreCase(ALGORITHM)) {
+            algId = (AlgorithmId) obj;
+        } else {
+            throw new IOException("Attribute name not recognized by " +
+                              "CertAttrSet:CertificateAlgorithmId.");
+        }
+    }
+
+    /**
+     * Get the attribute value.
+     */
+    public Object get(String name) throws IOException {
+        if (name.equalsIgnoreCase(ALGORITHM)) {
+            return (algId);
+        } else {
+            throw new IOException("Attribute name not recognized by " +
+                               "CertAttrSet:CertificateAlgorithmId.");
+        }
+    }
+
+    /**
+     * Delete the attribute value.
+     */
+    public void delete(String name) throws IOException {
+        if (name.equalsIgnoreCase(ALGORITHM)) {
+            algId = null;
+        } else {
+            throw new IOException("Attribute name not recognized by " +
+                               "CertAttrSet:CertificateAlgorithmId.");
+        }
+    }
+
+    /**
+     * Return an enumeration of names of attributes existing within this
+     * attribute.
+     */
+    public Enumeration<String> getAttributeNames() {
+        Vector<String> elements = new Vector<String>();
+        elements.addElement(ALGORITHM);
+        return (elements.elements());
+    }
+
+    /**
+     * Return the name of this attribute.
+     */
+    public String getName() {
+        return (NAME);
+    }
+}