aes加密 工具类 

 1 package com.skynet.common;
 2 
 3 import java.net.URLDecoder;
 4 import java.net.URLEncoder;
 5 import javax.crypto.Cipher;
 6 import javax.crypto.spec.SecretKeySpec;
 7 import org.apache.commons.codec.binary.Base64;
 8 
 9 /**
10  * 
11  * <p>Title: 天网HIS提供的加密要求实现类</p>
12  * <p>Description: </p>
13  *
14  * @author Torlay
15  * @version 1.00.00
16  * <pre>
17  * 修改记录:
18  * 版本号    修改人        修改日期       修改内容
19  * 
20 *
21  */
22 
23 @SuppressWarnings("restriction")
24 public class EncryptUtil {
25 
26     /**
27      * aes加密
28      * @param str
29      * @param key
30      * @return
31      * @throws Exception
32      */
33     public static String aesEncrypt(String str, String key) throws Exception {
34         if (str == null || key == null) return null;
35         Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding");
36         cipher.init(Cipher.ENCRYPT_MODE, new SecretKeySpec(key.getBytes("utf-8"), "AES"));
37         byte[] bytes = cipher.doFinal(str.getBytes("utf-8"));
38         //注意不要采用，会出现回车换行 new BASE64Encoder().encode(bytes);
39         return Base64.encodeBase64String(bytes);
40     }
41 
42     /**
43      * aes解密
44      * @param str
45      * @param key
46      * @return
47      * @throws Exception
48      */
49     public static String aesDecrypt(String str, String key) throws Exception {
50         if (str == null || key == null) return null;
51         Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding");
52         cipher.init(Cipher.DECRYPT_MODE, new SecretKeySpec(key.getBytes("utf-8"), "AES"));
53         byte[] bytes = Base64.decodeBase64(str);
54         bytes = cipher.doFinal(bytes);
55         return new String(bytes, "utf-8");
56     }
57     
58     
59     public static void main(String[] args) {
60         String content = "{'cardID':'000064755961172','modeType':'1','money':'1000','serialNumber':'1011010000'}";  
61         System.out.println("加密前：" + content);  
62   
63         String key = "YF}+efcaj{+oESb9";  
64         System.out.println("加密密钥和解密密钥：" + key);  
65           
66         try {
67             String encrypt = aesEncrypt(content, key);  
68             System.out.println("加密后：" + encrypt);  
69             
70             System.out.println(URLEncoder.encode(encrypt));
71             
72             System.out.println(URLDecoder.decode(encrypt));
73               
74             String decrypt = aesDecrypt(encrypt, key);  
75             System.out.println("解密后：" + decrypt);
76         } catch (Exception e) {
77             // TODO Auto-generated catch block
78             e.printStackTrace();
79         }  
80     }
81 }

加密工具类

posted @ 2020-03-11 16:25  _情书  阅读(861)  评论(0)  编辑  收藏  举报