SunJCE_BC_LoadOrdering.java

/*
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 * 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).
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 * 2 along with this work; if not, write to the Free Software Foundation,
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/*
 * @test
 * @bug 6377058 7055362
 * @library ../../../java/security/testlibrary
 * @summary SunJCE depends on sun.security.provider.SignatureImpl
 * behaviour, BC can't load into 1st slot.
 * @author Brad R. Wetmore
 * @key randomness
 */

import java.security.*;
import javax.crypto.*;
import java.io.*;

public class SunJCE_BC_LoadOrdering {

    public static void main(String[] args) throws Exception {
        ProvidersSnapshot snapshot = ProvidersSnapshot.create();
        try {
            main0(args);
        } finally {
            snapshot.restore();
        }
    }

    public static void main0(String[] args) throws Exception {
        /*
         * Generate a random key, and encrypt the data
         */
        Security.insertProviderAt(new MyProvider(), 1);
        KeyGenerator keyGen = KeyGenerator.getInstance("DES");
        keyGen.init(new SecureRandom());

        Key key = keyGen.generateKey();

        Cipher cipher = Cipher.getInstance("DES/CBC/PKCS5Padding");
        cipher.init(Cipher.ENCRYPT_MODE, key);

        cipher.doFinal("some string".getBytes());
    }
}