Showing the changes to java/pkg/java/security/spec/ECPublicKeySpec.java (1 of 18352 files). Show all
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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 | +} | |