参数加密规则

无论是请求数据还是返回的数据，都需要对data的内容进行AES对称加密

方  式: AES/CBC/PKCS5Padding

示例代码

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import sun.misc.BASE64Decoder;
import sun.misc.BASE64Encoder;

import javax.crypto.Cipher;
import javax.crypto.SecretKey;
import javax.crypto.spec.IvParameterSpec;
import javax.crypto.spec.SecretKeySpec;
public class AESUtil {

    private static final Logger logger = LoggerFactory.getLogger(AESUtil.class);
    static final String KEY_ALGORITHM = "AES";
    static final String CIPHER_ALGORITHM_CBC = "AES/CBC/PKCS5Padding";

    //加密
    /* str 源字符串
     * key 秘钥
     * iv 向量秘钥
     */

    public static String Encrypt(String str, String key, String iv) {
        String resultObj = null;
        try {
            Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
            SecretKey secretKey = new SecretKeySpec(key.getBytes("UTF-8"), "AES");
            //使用加密模式初始化 密钥
            cipher.init(Cipher.ENCRYPT_MODE, secretKey, new IvParameterSpec(iv.getBytes("UTF-8")));
            //按单部分操作加密或解密数据，或者结束一个多部分操作。
            byte[] encode = cipher.doFinal(str.getBytes("UTF-8"));
            resultObj = new BASE64Encoder().encode(encode);
        } catch (Exception e) {
            logger.error("AESUtil Encrypt1 : " , e);
        }
        return resultObj;
    }

    // 解密
    /* sSrc 源字符串
     * sKey 秘钥
     * ivStr 向量秘钥
     */
    public static String Decrypt(String sSrc, String sKey, String ivStr) throws Exception {
        try {
            // 判断Key是否正确
            if (sKey == null) {
                logger.error("AES解密的key为空");
                return null;
            }
            // 判断Key是否为16位
            if (sKey.length() != 16) {
                logger.error("AES解密的key长度不是16位");
                return null;
            }
            byte[] raw = sKey.getBytes("UTF-8");
            SecretKeySpec skeySpec = new SecretKeySpec(raw, "AES");
            Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
            IvParameterSpec iv = new IvParameterSpec(ivStr.getBytes());
            cipher.init(Cipher.DECRYPT_MODE, skeySpec, iv);
            byte[] encrypted1 = new BASE64Decoder().decodeBuffer(sSrc);//先用base64解密
            try {
                byte[] original = cipher.doFinal(encrypted1);
                String originalString = new String(original, "UTF-8");
                // originalString= unEscapeChar(originalString);
                return originalString;
            } catch (Exception e) {
                logger.error("base64解密错误", e);
                return null;
            }
        } catch (Exception ex) {
            logger.error("AES解密错误", ex);
            return null;
        }
    }
}

示例秘钥(dataSecret): 1234567890abcdef

示例向量秘钥(dataSecretIV): 1234567890abcdef

加密示例

• 加密前

    {"province": "山东","pageNo": "1","pageSize": "2"}

• 加密后

d08PaSsa08TqWRluKtxXAxqVg20gcZFlrD/Fp5nQz9ZdnEh6tHIhDyTGnUBTvS46C/FY8x5KJ3drIBOObsblBg==

解密示例

• 解密前

ffNySaPT0qQG9/TSxApnHgEq74DDaLc0dkgxR8AxHULaNw8unwi2hLN3+4bEzVu1yqG/fjO4y7r2J74Fh/ocrg==

• 解密后

[{"districtCode": "330106"},{"districtCode": "330102"}]

参考

• PHP：http://www.cnblogs.com/grimm/p/7233050.html