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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 the set of parameters used for | ||
| 29 | * generating elliptic curve (EC) domain parameters. | ||
| 30 | * | ||
| 31 | * @see AlgorithmParameterSpec | ||
| 32 | * | ||
| 33 | * @author Valerie Peng | ||
| 34 | * | ||
| 35 | * @since 1.5 | ||
| 36 | */ | ||
| 37 | public class ECGenParameterSpec implements AlgorithmParameterSpec { | ||
| 38 | |||
| 39 | private String name; | ||
| 40 | |||
| 41 | /** | ||
| 42 | * Creates a parameter specification for EC parameter | ||
| 43 | * generation using a standard (or predefined) name | ||
| 44 | * <code>stdName</code> in order to generate the corresponding | ||
| 45 | * (precomputed) elliptic curve domain parameters. For the | ||
| 46 | * list of supported names, please consult the documentation | ||
| 47 | * of provider whose implementation will be used. | ||
| 48 | * @param stdName the standard name of the to-be-generated EC | ||
| 49 | * domain parameters. | ||
| 50 | * @exception NullPointerException if <code>stdName</code> | ||
| 51 | * is null. | ||
| 52 | */ | ||
| 53 | public ECGenParameterSpec(String stdName) { | ||
| 54 | if (stdName == null) { | ||
| 55 | throw new NullPointerException("stdName is null"); | ||
| 56 | } | ||
| 57 | this.name = stdName; | ||
| 58 | } | ||
| 59 | |||
| 60 | /** | ||
| 61 | * Returns the standard or predefined name of the | ||
| 62 | * to-be-generated EC domain parameters. | ||
| 63 | * @return the standard or predefined name. | ||
| 64 | */ | ||
| 65 | public String getName() { | ||
| 66 | return name; | ||
| 67 | } | ||
| 68 | } | ||