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package com.yihu.jw.security.utils;
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import org.apache.commons.codec.binary.Base64;
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import javax.crypto.Cipher;
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import javax.crypto.KeyGenerator;
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import javax.crypto.spec.SecretKeySpec;
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/**
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* 前后端数据传输加密工具类
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* @author monkey
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*
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*/
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public class AesEncryptUtils {
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//可配置到Constant中,并读取配置文件注入,16位,自己定义
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private static final String KEY = "46A61629A19AE04C";
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//参数分别代表 算法名称/加密模式/数据填充方式
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private static final String ALGORITHMSTR = "AES/ECB/PKCS5Padding";
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/**
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* 加密
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* @param content 加密的字符串
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* @param encryptKey key值
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* @return
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* @throws Exception
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*/
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public static String encrypt(String content, String encryptKey) throws Exception {
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KeyGenerator kgen = KeyGenerator.getInstance("AES");
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kgen.init(128);
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Cipher cipher = Cipher.getInstance(ALGORITHMSTR);
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cipher.init(Cipher.ENCRYPT_MODE, new SecretKeySpec(encryptKey.getBytes(), "AES"));
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byte[] b = cipher.doFinal(content.getBytes("utf-8"));
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// 采用base64算法进行转码,避免出现中文乱码
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return Base64.encodeBase64String(b);
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}
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/**
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* 解密
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* @param encryptStr 解密的字符串
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* @param decryptKey 解密的key值
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* @return
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* @throws Exception
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*/
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public static String decrypt(String encryptStr, String decryptKey) throws Exception {
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KeyGenerator kgen = KeyGenerator.getInstance("AES");
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kgen.init(128);
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Cipher cipher = Cipher.getInstance(ALGORITHMSTR);
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cipher.init(Cipher.DECRYPT_MODE, new SecretKeySpec(decryptKey.getBytes(), "AES"));
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// 采用base64算法进行转码,避免出现中文乱码
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byte[] encryptBytes = Base64.decodeBase64(encryptStr);
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byte[] decryptBytes = cipher.doFinal(encryptBytes);
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return new String(decryptBytes);
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}
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public static String encrypt(String content) throws Exception {
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return encrypt(content, KEY);
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}
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public static String decrypt(String encryptStr) throws Exception {
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return decrypt(encryptStr, KEY);
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}
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public static void main(String[] args) throws Exception {
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/*Map map=new HashMap<String,String>();
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map.put("idcard","350322198812052545");
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map.put("price","1");
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map.put("type","1");*/
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String content = "{\"data\":{\n" +
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" \"userName\":\"王志南\",\n" +
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"\"userPhone\":\"17602157210\",\n" +
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"\"userIdNo\":\"350524199405230613\",\n" +
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"\"cardNo\":\"12321321\",\n" +
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"\"cardType\":\"321321321\",\n" +
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"\"userSex\":\"1\",\n" +
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"\"dType\":\"1\"\n" +
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"}}";
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System.out.println("加密前:" + content);
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String encrypt = encrypt(content, KEY);
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System.out.println("加密后:" + encrypt);
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String decrypt = decrypt(encrypt, KEY);
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System.out.println("解密后:" + decrypt);
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}
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}
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