test/jdk/sun/security/ec/InvalidCurve.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * 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).
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 */

/*
 * @test
 * @bug 8182999
 * @summary Ensure that SunEC behaves correctly for unsupported curves.
 * @run main InvalidCurve
 */

import java.security.*;
import java.security.spec.*;
import java.math.*;

public class InvalidCurve {

    public static void main(String[] args) {

        KeyPairGenerator keyGen;
        try {
            keyGen = KeyPairGenerator.getInstance("EC", "SunEC");
            ECGenParameterSpec brainpoolSpec =
                new ECGenParameterSpec("brainpoolP160r1");
            keyGen.initialize(brainpoolSpec);
        } catch (InvalidAlgorithmParameterException ex) {
            System.out.println(ex.getMessage());
            // this is expected
            return;
        } catch (NoSuchAlgorithmException | NoSuchProviderException ex) {
            throw new RuntimeException(ex);
        }

        keyGen.generateKeyPair();

        // If we make it to here, then the test is not working correctly.
        throw new RuntimeException("The expected exception was not thrown.");

    }

}