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23 
24 /*
25  * @test
26  * @bug 8182999
27  * @summary Ensure that SunEC behaves correctly for unsupported curves.
28  * @run main InvalidCurve
29  */
30 
31 import java.security.*;
32 import java.security.spec.*;
33 import java.math.*;
34 
35 public class InvalidCurve {
36 
main(String[] args)37     public static void main(String[] args) {
38 
39         KeyPairGenerator keyGen;
40         try {
41             keyGen = KeyPairGenerator.getInstance("EC", "SunEC");
42             ECGenParameterSpec brainpoolSpec =
43                 new ECGenParameterSpec("brainpoolP160r1");
44             keyGen.initialize(brainpoolSpec);
45         } catch (InvalidAlgorithmParameterException ex) {
46             System.out.println(ex.getMessage());
47             // this is expected
48             return;
49         } catch (NoSuchAlgorithmException | NoSuchProviderException ex) {
50             throw new RuntimeException(ex);
51         }
52 
53         keyGen.generateKeyPair();
54 
55         // If we make it to here, then the test is not working correctly.
56         throw new RuntimeException("The expected exception was not thrown.");
57 
58     }
59 
60 }
61 
62