MsgEncryptKit.html
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<h2 title="类 MsgEncryptKit" class="title">类 MsgEncryptKit</h2>
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<pre>public class <span class="typeNameLabel">MsgEncryptKit</span>
extends <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="java.lang中的类或接口">Object</a></pre>
<div class="block">对微信平台官方给出的加密解析代码进行再次封装
异常java.security.InvalidKeyException:illegal Key Size的解决方案：
1：在官方网站下载JCE无限制权限策略文件（JDK7的下载地址：
http://www.oracle.com/technetwork/java/javase/downloads/jce-7-download-432124.html
2：下载后解压，可以看到local_policy.jar和US_export_policy.jar以及readme.txt
3：如果安装了JRE，将两个jar文件放到%JRE_HOME%\lib\security目录下覆盖原来的文件
4：如果安装了JDK，将两个jar文件放到%JDK_HOME%\jre\lib\security目录下覆盖原来文件
设置为消息加密模式后 JFinal Action Report 中有如下参数：
timestamp=1417610658
encrypt_type=aes
nonce=132155339
msg_signature=8ed2a14146c924153743162ab2c0d28eaf30a323
signature=1a3fad9a528869b1a73faf4c8054b7eeda2463d3</div>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../com/jfinal/weixin/sdk/kit/MsgEncryptKit.html#MsgEncryptKit--">MsgEncryptKit</a></span>()</code> </td>
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<caption><span id="t0" class="activeTableTab"><span>所有方法</span><span class="tabEnd"> </span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">静态方法</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">具体方法</a></span><span class="tabEnd"> </span></span></caption>
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<td class="colFirst"><code>static <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../com/jfinal/weixin/sdk/kit/MsgEncryptKit.html#decrypt-java.lang.String-java.lang.String-java.lang.String-java.lang.String-">decrypt</a></span>(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a> encryptedMsg,
<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a> timestamp,
<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a> nonce,
<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a> msgSignature)</code> </td>
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<td class="colFirst"><code>static <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../com/jfinal/weixin/sdk/kit/MsgEncryptKit.html#encrypt-java.lang.String-java.lang.String-java.lang.String-">encrypt</a></span>(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a> msg,
<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a> timestamp,
<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a> nonce)</code> </td>
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<code><a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#clone--" title="java.lang中的类或接口">clone</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="java.lang中的类或接口">equals</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#finalize--" title="java.lang中的类或接口">finalize</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#getClass--" title="java.lang中的类或接口">getClass</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="java.lang中的类或接口">hashCode</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notify--" title="java.lang中的类或接口">notify</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="java.lang中的类或接口">notifyAll</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#toString--" title="java.lang中的类或接口">toString</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait--" title="java.lang中的类或接口">wait</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="java.lang中的类或接口">wait</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="java.lang中的类或接口">wait</a></code></li>
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<h4>MsgEncryptKit</h4>
<pre>public MsgEncryptKit()</pre>
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<h4>encrypt</h4>
<pre>public static <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a> encrypt(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a> msg,
<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a> timestamp,
<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a> nonce)</pre>
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<pre>public static <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a> decrypt(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a> encryptedMsg,
<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a> timestamp,
<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a> nonce,
<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a> msgSignature)</pre>
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