APP安全双十二促销活动

import javax.crypto.Cipher;
import javax.crypto.spec.SecretKeySpec;
import java.util.Base64;

public class DataEncryptor {
    private static final String ALGORITHM = "AES";
    private static final byte[] keyValue = new byte[]{'T', 'h', 'e', 'B', 'e', 's', 't', 'S', 'e', 'c', 'r', 'e', 't', 'K', 'e', 'y'};

    public static String encrypt(String data) throws Exception {
        SecretKeySpec key = new SecretKeySpec(keyValue, ALGORITHM);
        Cipher cipher = Cipher.getInstance(ALGORITHM);
        cipher.init(Cipher.ENCRYPT_MODE, key);
        byte[] encryptedValue = cipher.doFinal(data.getBytes());
        return Base64.getEncoder().encodeToString(encryptedValue);
    }

    public static String decrypt(String encryptedData) throws Exception {
        SecretKeySpec key = new SecretKeySpec(keyValue, ALGORITHM);
        Cipher cipher = Cipher.getInstance(ALGORITHM);
        cipher.init(Cipher.DECRYPT_MODE, key);
        byte[] decodedValue = Base64.getDecoder().decode(encryptedData);
        byte[] decryptedValue = cipher.doFinal(decodedValue);
        return new String(decryptedValue);
    }
}