| /* |
| * Copyright (c) 2003, 2013, Oracle and/or its affiliates. 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. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| package java.security.spec; |
| |
| /** |
| * This immutable class specifies an elliptic curve public key with |
| * its associated parameters. |
| * |
| * @see KeySpec |
| * @see ECPoint |
| * @see ECParameterSpec |
| * |
| * @author Valerie Peng |
| * |
| * @since 1.5 |
| */ |
| public class ECPublicKeySpec implements KeySpec { |
| |
| private ECPoint w; |
| private ECParameterSpec params; |
| |
| /** |
| * Creates a new ECPublicKeySpec with the specified |
| * parameter values. |
| * @param w the public point. |
| * @param params the associated elliptic curve domain |
| * parameters. |
| * @exception NullPointerException if {@code w} |
| * or {@code params} is null. |
| * @exception IllegalArgumentException if {@code w} |
| * is point at infinity, i.e. ECPoint.POINT_INFINITY |
| */ |
| public ECPublicKeySpec(ECPoint w, ECParameterSpec params) { |
| if (w == null) { |
| throw new NullPointerException("w is null"); |
| } |
| if (params == null) { |
| throw new NullPointerException("params is null"); |
| } |
| if (w == ECPoint.POINT_INFINITY) { |
| throw new IllegalArgumentException("w is ECPoint.POINT_INFINITY"); |
| } |
| this.w = w; |
| this.params = params; |
| } |
| |
| /** |
| * Returns the public point W. |
| * @return the public point W. |
| */ |
| public ECPoint getW() { |
| return w; |
| } |
| |
| /** |
| * Returns the associated elliptic curve domain |
| * parameters. |
| * @return the EC domain parameters. |
| */ |
| public ECParameterSpec getParams() { |
| return params; |
| } |
| } |