1. package com.xiong;
    3. import sun.misc.BASE64Decoder;
    4. import sun.misc.BASE64Encoder;
    6. import javax.crypto.Cipher;
    7. import javax.crypto.spec.SecretKeySpec;
    10. public class AESUtil {
    12.     private static String TRANSFORMAT = "AES/ECB/PKCS5Padding";   // jdk默认只支持PKCS5Padding填充
    13.     private String key = "B@#deCC%ejk569^5";
    16.     public AESUtil(String key) {
    17.         this.key = key;
    18.     }
    20.     public static void main(String[] args) throws Exception {
    21.         AESUtil aesUtil = new AESUtil("B@#deCC%ejk569^5B@#deCC%ejk569^e");
    22.         String xiong = aesUtil.encrypt("{\"mobile\": \"15680935251\"}");
    23.         String decrypt = aesUtil.decrypt(xiong);
    24.         System.out.println(decrypt);
    25.         System.out.println(xiong);
    26.     }
    28.     public String encrypt(String sSrc) throws Exception { // 加密
    29.         SecretKeySpec skeySpec = new SecretKeySpec(this.key.getBytes(), "AES");
    30.         Cipher cipher = Cipher.getInstance(TRANSFORMAT);
    31.         cipher.init(Cipher.ENCRYPT_MODE, skeySpec);
    32.         byte[] encrypted = cipher.doFinal(sSrc.getBytes("UTF-8"));
    33.         return new BASE64Encoder().encode(encrypted);
    34.     }
    36.     public String decrypt(String sSrc) // 解密
    37.             throws Exception {
    38.         if ((sSrc == null) || (sSrc.length() == 0)) {
    39.             return "";
    40.         }
    41.         SecretKeySpec skeySpec = new SecretKeySpec(this.key.getBytes(), "AES");
    42.         Cipher cipher = Cipher.getInstance(TRANSFORMAT);
    43.         cipher.init(Cipher.DECRYPT_MODE, skeySpec);
    44.         byte[] encrypted = new BASE64Decoder().decodeBuffer(sSrc);
    45.         byte[] original = cipher.doFinal(encrypted);
    46.         return new String(original, "UTF-8");
    47.     }
    48. }