bouncycastle接入android studio

dependencies {
    implementation 'org.bouncycastle:bcprov-jdk15on:1.68'
}

import org.bouncycastle.jce.provider.BouncyCastleProvider;
import javax.crypto.Cipher;
import javax.crypto.spec.SecretKeySpec;
import java.security.Security;

public class MainActivity extends AppCompatActivity {
    static {
        Security.addProvider(new BouncyCastleProvider());
    }

    private static final String ALGORITHM = "AES";
    private static final String KEY = "0123456789abcdef";

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        try {
            Cipher cipher = Cipher.getInstance(ALGORITHM);
            SecretKeySpec keySpec = new SecretKeySpec(KEY.getBytes(), ALGORITHM);
            cipher.init(Cipher.ENCRYPT_MODE, keySpec);
            byte[] encryptedData = cipher.doFinal("Hello, Bouncy Castle!".getBytes());
            Log.d("MainActivity", "Encrypted data: " + Base64.encodeToString(encryptedData, Base64.DEFAULT));
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

<uses-permission android:name="android.permission.INTERNET" />