java实现AES加密

来源：互联网发布：淘宝开通直通车多少钱编辑：程序博客网时间：2024/06/08 20:18

前段时间公司项目新起，因此需要用到AES加密，现在回过头来感觉要总结一下，于是自己就搞了一个小demo，可以直接运行的简单java项目，点这里直接下载，大家可以下载下来运行一下，debug一下，一目了然。
这里写图片描述
再具体的详细代码就不赘述了，大家下载后自己看吧，相信有java基础就可以懂得

AES配上过滤器，完美的组合

package com.jeeplus.common.filter;import com.alibaba.fastjson.JSON;import com.alibaba.fastjson.JSONObject;import com.jeeplus.modules.qsyz.encrypt.BackAES;import org.apache.commons.lang3.StringEscapeUtils;import org.apache.http.HttpRequest;import javax.servlet.*;import javax.servlet.http.HttpServletRequest;import java.io.IOException;public class VerifyFilter implements Filter{    public static final String KEY_ENCRYPT = "s";    private BackAES secret;    @Override    public void init(FilterConfig paramFilterConfig) throws ServletException {        secret = new BackAES();    }    @Override    public void doFilter(ServletRequest request, ServletResponse response,            FilterChain chain) throws IOException, ServletException {        String securityString = request.getParameter(KEY_ENCRYPT);        //String securityString = "NcoD6Z2BGvP0u33rs1AQXNtfzjkZ8Nis3nqSi0BINx49yqCw+/jxgOS7w6AQ6Fzq";        System.out.println(securityString+"获取app加密的字符串");        String hexKey = "5de7e29919fad4d5";        HttpServletRequest request1=(HttpServletRequest) request;        String method=request1.getMethod();        if(method.equals("POST")){            if (securityString == null) {                chain.doFilter(request, response);            } else {                try {                    String decryptString = secret.decrypt(securityString, hexKey, 0);                    decryptString = StringEscapeUtils.unescapeHtml4(decryptString);                    if (decryptString != null) {                        System.out.println("获取的加密String为" + decryptString);                        JSONObject requestJson = JSON.parseObject(decryptString);                        for (String key : requestJson.keySet()) {                            request.setAttribute(key, requestJson.get(key));                            System.out.println("取得的数据key----"+key+"----value为"+ requestJson.get(key));                        }                        // 验证通过                        chain.doFilter(request, response);                    } else {                        response.getWriter().println("验证失败");                    }                } catch (Exception e) {                    e.printStackTrace();                }        }        }else {            chain.doFilter(request, response);        }    }    @Override    public void destroy() {    }}

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