1 /*
2  * Copyright (c) 2003, 2019, 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 // Android-added: implements AlgorithmParameterSpec in order to maintain backwards compatibility.
38 public class ECGenParameterSpec extends NamedParameterSpec implements AlgorithmParameterSpec {
39 
40     /**
41      * Creates a parameter specification for EC parameter
42      * generation using a standard (or predefined) name
43      * {@code stdName} in order to generate the corresponding
44      * (precomputed) elliptic curve domain parameters. For the
45      * list of supported names, please consult the documentation
46      * of the provider whose implementation will be used.
47      *
48      * @param stdName the standard name of the to-be-generated EC
49      *        domain parameters. See the ParameterSpec Names section in the
50      *        <a href=
51      *        "{@docRoot}/../specs/security/standard-names.html#parameterspec-names">
52      *        Java Security Standard Algorithm Names Specification</a> for
53      *        information about standard names.
54      * @throws NullPointerException if {@code stdName} is null.
55      */
ECGenParameterSpec(String stdName)56     public ECGenParameterSpec(String stdName) {
57         super(stdName);
58     }
59 
60 
61     /**
62      * Returns the standard or predefined name of the
63      * to-be-generated EC domain parameters.
64      * @return the standard or predefined name.
65      */
66     // Android-added: function overridden in order to maintain backwards compatibility.
67     @Override
getName()68     public String getName() {
69       return super.getName();
70     }
71 }
72 
73