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/*

 * @test

 * @bug 4856966

 * @summary

 * @author Andreas Sterbenz

 * @key randomness

 * @modules jdk.crypto.cryptoki

 * @run main/othervm ReinitMac

 * @run main/othervm ReinitMac sm

 */

import java.security.Provider;

import java.util.Random;

import javax.crypto.Mac;

import javax.crypto.spec.SecretKeySpec;

public class ReinitMac extends PKCS11Test {

    public static void main(String[] args) throws Exception {

        main(new ReinitMac(), args);

    }

    @Override

    public void main(Provider p) throws Exception {

        if (p.getService("Mac", "HmacMD5") == null) {

            System.out.println(p + " does not support HmacMD5, skipping");

            return;

        }

        Random random = new Random();

        byte[] data1 = new byte[10 * 1024];

        random.nextBytes(data1);

        byte[] keyData = new byte[16];

        random.nextBytes(keyData);

        SecretKeySpec key = new SecretKeySpec(keyData, "Hmac");

        Mac mac = Mac.getInstance("HmacMD5", p);

        mac.init(key);

        mac.init(key);

        mac.update(data1);

        mac.init(key);

        mac.doFinal();

        mac.doFinal();

        mac.update(data1);

        mac.doFinal();

        mac.reset();

        mac.reset();

        mac.init(key);

        mac.reset();

        mac.update(data1);

        mac.reset();

        System.out.println("All tests passed");

    }

}