| /* |
| * Copyright (c) 2018, 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; |
| |
| import java.util.Objects; |
| |
| /** |
| * This class is used to specify any algorithm parameters that are determined |
| * by a standard name. This class also holds constants for standard parameter |
| * set names. The names of these constants exactly match the corresponding |
| * parameter set name. For example, NamedParameterSpec.X25519 represents the |
| * parameter set identified by the string "X25519". These strings are defined |
| * in the <a href= |
| * "{@docRoot}/../specs/security/standard-names.html#parameter-spec-names"> |
| * Java Security Standard Algorithm Names Specification</a>. |
| * |
| * @since 11 |
| * |
| */ |
| public class NamedParameterSpec implements AlgorithmParameterSpec { |
| |
| /** |
| * The X25519 parameters |
| */ |
| public static final NamedParameterSpec X25519 |
| = new NamedParameterSpec("X25519"); |
| /** |
| * The X448 parameters |
| */ |
| public static final NamedParameterSpec X448 |
| = new NamedParameterSpec("X448"); |
| |
| private String name; |
| |
| /** |
| * Creates a parameter specification using a standard (or predefined) |
| * name {@code stdName}. For the |
| * list of supported names, please consult the documentation |
| * of the provider whose implementation will be used. |
| * |
| * @param stdName the standard name of the algorithm parameters |
| * |
| * @throws NullPointerException if {@code stdName} |
| * is null. |
| */ |
| public NamedParameterSpec(String stdName) { |
| Objects.requireNonNull(stdName, "stdName must not be null"); |
| |
| this.name = stdName; |
| } |
| |
| /** |
| * Returns the standard name that determines the algorithm parameters. |
| * @return the standard name. |
| */ |
| public String getName() { |
| return name; |
| } |
| } |