--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/classes/sun/security/ec/ECPublicKeyImpl.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,121 @@
+/*
+ * Copyright 2006 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * This code 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
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+package sun.security.ec;
+
+import java.io.IOException;
+
+import java.security.*;
+import java.security.interfaces.*;
+import java.security.spec.*;
+
+import sun.security.util.*;
+import sun.security.x509.*;
+
+/**
+ * Key implementation for EC public keys.
+ *
+ * @since   1.6
+ * @author  Andreas Sterbenz
+ */
+public final class ECPublicKeyImpl extends X509Key implements ECPublicKey {
+
+    private static final long serialVersionUID = -2462037275160462289L;
+
+    private ECPoint w;
+    private ECParameterSpec params;
+
+    /**
+     * Construct a key from its components. Used by the
+     * ECKeyFactory and SunPKCS11.
+     */
+    public ECPublicKeyImpl(ECPoint w, ECParameterSpec params)
+            throws InvalidKeyException {
+        this.w = w;
+        this.params = params;
+        // generate the encoding
+        algid = new AlgorithmId
+            (AlgorithmId.EC_oid, ECParameters.getAlgorithmParameters(params));
+        key = ECParameters.encodePoint(w, params.getCurve());
+    }
+
+    /**
+     * Construct a key from its encoding. Used by RSAKeyFactory.
+     */
+    public ECPublicKeyImpl(byte[] encoded) throws InvalidKeyException {
+        decode(encoded);
+    }
+
+    // see JCA doc
+    public String getAlgorithm() {
+        return "EC";
+    }
+
+    // see JCA doc
+    public ECPoint getW() {
+        return w;
+    }
+
+    // see JCA doc
+    public ECParameterSpec getParams() {
+        return params;
+    }
+
+    // Internal API to get the encoded point. Currently used by SunPKCS11.
+    // This may change/go away depending on what we do with the public API.
+    public byte[] getEncodedPublicValue() {
+        return key.clone();
+    }
+
+    /**
+     * Parse the key. Called by X509Key.
+     */
+    protected void parseKeyBits() throws InvalidKeyException {
+        try {
+            AlgorithmParameters algParams = this.algid.getParameters();
+            params = algParams.getParameterSpec(ECParameterSpec.class);
+            w = ECParameters.decodePoint(key, params.getCurve());
+        } catch (IOException e) {
+            throw new InvalidKeyException("Invalid EC key", e);
+        } catch (InvalidParameterSpecException e) {
+            throw new InvalidKeyException("Invalid EC key", e);
+        }
+    }
+
+    // return a string representation of this key for debugging
+    public String toString() {
+        return "Sun EC public key, " + params.getCurve().getField().getFieldSize()
+            + " bits\n  public x coord: " + w.getAffineX()
+            + "\n  public y coord: " + w.getAffineY()
+            + "\n  parameters: " + params;
+    }
+
+    protected Object writeReplace() throws java.io.ObjectStreamException {
+        return new KeyRep(KeyRep.Type.PUBLIC,
+                        getAlgorithm(),
+                        getFormat(),
+                        getEncoded());
+    }
+}