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| 1 | /* | ||
| 2 | * Copyright (c) 2003, Oracle and/or its affiliates. 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. Oracle designates this | ||
| 8 | * particular file as subject to the "Classpath" exception as provided | ||
| 9 | * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| 22 | * or visit www.oracle.com if you need additional information or have any | ||
| 23 | * questions. | ||
| 24 | */ | ||
| 25 | package java.security.spec; | ||
| 26 | |||
| 27 | /** | ||
| 28 | * This immutable class specifies an elliptic curve public key with | ||
| 29 | * its associated parameters. | ||
| 30 | * | ||
| 31 | * @see KeySpec | ||
| 32 | * @see ECPoint | ||
| 33 | * @see ECParameterSpec | ||
| 34 | * | ||
| 35 | * @author Valerie Peng | ||
| 36 | * | ||
| 37 | * @since 1.5 | ||
| 38 | */ | ||
| 39 | public class ECPublicKeySpec implements KeySpec { | ||
| 40 | |||
| 41 | private ECPoint w; | ||
| 42 | private ECParameterSpec params; | ||
| 43 | |||
| 44 | /** | ||
| 45 | * Creates a new ECPublicKeySpec with the specified | ||
| 46 | * parameter values. | ||
| 47 | * @param w the public point. | ||
| 48 | * @param params the associated elliptic curve domain | ||
| 49 | * parameters. | ||
| 50 | * @exception NullPointerException if <code>w</code> | ||
| 51 | * or <code>params</code> is null. | ||
| 52 | * @exception IllegalArgumentException if <code>w</code> | ||
| 53 | * is point at infinity, i.e. ECPoint.POINT_INFINITY | ||
| 54 | */ | ||
| 55 | public ECPublicKeySpec(ECPoint w, ECParameterSpec params) { | ||
| 56 | if (w == null) { | ||
| 57 | throw new NullPointerException("w is null"); | ||
| 58 | } | ||
| 59 | if (params == null) { | ||
| 60 | throw new NullPointerException("params is null"); | ||
| 61 | } | ||
| 62 | if (w == ECPoint.POINT_INFINITY) { | ||
| 63 | throw new IllegalArgumentException("w is ECPoint.POINT_INFINITY"); | ||
| 64 | } | ||
| 65 | this.w = w; | ||
| 66 | this.params = params; | ||
| 67 | } | ||
| 68 | |||
| 69 | /** | ||
| 70 | * Returns the public point W. | ||
| 71 | * @return the public point W. | ||
| 72 | */ | ||
| 73 | public ECPoint getW() { | ||
| 74 | return w; | ||
| 75 | } | ||
| 76 | |||
| 77 | /** | ||
| 78 | * Returns the associated elliptic curve domain | ||
| 79 | * parameters. | ||
| 80 | * @return the EC domain parameters. | ||
| 81 | */ | ||
| 82 | public ECParameterSpec getParams() { | ||
| 83 | return params; | ||
| 84 | } | ||
| 85 | } | ||