充电桩互联互通 AES 参数加解密（Hutool实现） PileSignUtils 充电桩互联互通 AES 参数加解密import cn.hutool.crypto.digest.HMac; import cn.hutool.crypto.digest.HmacAlgorithm; import cn.hutool.crypto.symmetric.AES; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import java.util.Date; public class PileSignUtils { private static Logger logger = LoggerFactory.getLogger(PileSignUtils.class); /** * aes 加密 * @param params 待加密参数 * @param dataSecret 密钥 * @param dataSecretIV 密钥向量 * @return 解密结果 */ public static String signParams(String params,String dataSecret,String dataSecretIV){ AES aes = new AES("CBC","PKCS5Padding",dataSecret.getBytes(),dataSecretIV.getBytes()); return aes.encryptBase64(params); } /** * aes 加密 * @param params 待加密参数 * @param dataSecret 密钥 * @param dataSecretIV 密钥向量 * @return 解密结果 */ public static String decryptParams(String params,String dataSecret,String dataSecretIV){ AES aes = new AES("CBC","PKCS5Padding",dataSecret.getBytes(),dataSecretIV.getBytes()); return aes.decryptStr(params); } public static String getSign(String data,String signSecret,String platformId){ long timeStamp = new Date().getTime(); int nextSequence = SequenceGenerator.getNextSequence(); int len = 64-signSecret.length(); if (signSecret.length()<64){ for (int i = 0; i < len; i++) { signSecret = signSecret + "0"; } } logger.info(signSecret); byte[] key = signSecret.getBytes(); HMac mac = new HMac(HmacAlgorithm.HmacMD5, key); String str = mac.digestHex(data); return str; }