1 /*
2 * Copyright 1997-2007 Sun Microsystems, Inc. All Rights Reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Sun designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Sun in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
22 * CA 95054 USA or visit www.sun.com if you need additional information or
23 * have any questions.
24 */
25
26 package javax.crypto.interfaces;
27
28 import java.math.BigInteger;
29
30 /**
31 * The interface to a Diffie-Hellman public key.
32 *
33 * @author Jan Luehe
34 *
35 * @see DHKey
36 * @see DHPrivateKey
37 * @since 1.4
38 */
39 public interface DHPublicKey extends DHKey, java.security.PublicKey {
40
41 /**
42 * The class fingerprint that is set to indicate serialization
43 * compatibility since J2SE 1.4.
44 */
45 static final long serialVersionUID = -6628103563352519193L;
46
47 /**
48 * Returns the public value, <code>y</code>.
49 *
50 * @return the public value, <code>y</code>
51 */
52 BigInteger getY();
53 }
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