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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} 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}
51      * is null.
52      */
ECGenParameterSpec(String stdName)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      */
getName()65     public String getName() {
66         return name;
67     }
68 }
69