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package spring.turbo.module.security.jwt;

import com.auth0.jwt.algorithms.Algorithm;
import spring.turbo.util.RandomStringUtils;
import spring.turbo.util.RandomUtils;

/**
 * @author 应卓
 * @since 1.0.1
 */
final class RandomAlgorithmFactory implements AlgorithmFactory {

    RandomAlgorithmFactory() {
        super();
    }

    @Override
    public Algorithm create() {
        final String uuid = RandomStringUtils.randomUUID(RandomUtils.nextBoolean());
        final int n = RandomUtils.nextInt(0, 3);
        switch (n) {
            case 0:
                return Algorithm.HMAC256(uuid);
            case 1:
                return Algorithm.HMAC384(uuid);
            default:
                return Algorithm.HMAC512(uuid);
        }
    }

}