From 1a9d4ff1f946b3427c9c0ee4eb577a4c120ae1a6 Mon Sep 17 00:00:00 2001
From: jinyu <foxinmy@gmail.com>
Date: Sun, 9 Aug 2015 11:47:49 +0800
Subject: [PATCH] =?UTF-8?q?=E5=88=A0=E9=99=A4PKCS7Encoder=E7=B1=BB?=
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---
 .../foxinmy/weixin4j/util/PKCS7Encoder.java   | 72 -------------------
 1 file changed, 72 deletions(-)
 delete mode 100644 weixin4j-base/src/main/java/com/foxinmy/weixin4j/util/PKCS7Encoder.java

diff --git a/weixin4j-base/src/main/java/com/foxinmy/weixin4j/util/PKCS7Encoder.java b/weixin4j-base/src/main/java/com/foxinmy/weixin4j/util/PKCS7Encoder.java
deleted file mode 100644
index 5f2beb20..00000000
--- a/weixin4j-base/src/main/java/com/foxinmy/weixin4j/util/PKCS7Encoder.java
+++ /dev/null
@@ -1,72 +0,0 @@
-/**
- * 对公众平台发送给公众账号的消息加解密示例代码.
- * 
- * @copyright Copyright (c) 1998-2014 Tencent Inc.
- */
-
-// ------------------------------------------------------------------------
-
-package com.foxinmy.weixin4j.util;
-
-import java.util.Arrays;
-
-import com.foxinmy.weixin4j.model.Consts;
-
-/**
- * 提供基于PKCS7算法的加解密接口</br>
- * 提供接收和推送给公众平台消息的加解密接口(UTF8编码的字符串).
- * <ol>
- * <li>第三方回复加密消息给公众平台</li>
- * <li>第三方收到公众平台发送的消息，验证消息的安全性，并对消息进行解密。</li>
- * </ol>
- * 说明：异常java.security.InvalidKeyException:illegal Key Size的解决方案
- * <ol>
- * <li>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</li>
- * <li>下载后解压，可以看到local_policy.jar和US_export_policy.jar以及readme.txt</li>
- * <li>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</li>
- * <li>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</li>
- * </ol>
- */
-public class PKCS7Encoder {
-	private final static int BLOCK_SIZE = 32;
-
-	/**
-	 * 获得对明文进行补位填充的字节.
-	 * 
-	 * @param count
-	 *            需要进行填充补位操作的明文字节个数
-	 * @return 补齐用的字节数组
-	 */
-	public static byte[] encode(int count) {
-		// 计算需要填充的位数
-		int amountToPad = BLOCK_SIZE - (count % BLOCK_SIZE);
-		if (amountToPad == 0) {
-			amountToPad = BLOCK_SIZE;
-		}
-		// 获得补位所用的字符
-		byte target = (byte) (amountToPad & 0xFF);
-		char padChr = (char) target;
-		StringBuilder tmp = new StringBuilder();
-		for (int index = 0; index < amountToPad; index++) {
-			tmp.append(padChr);
-		}
-		return tmp.toString().getBytes(Consts.UTF_8);
-	}
-
-	/**
-	 * 删除解密后明文的补位字符
-	 * 
-	 * @param decrypted
-	 *            解密后的明文
-	 * @return 删除补位字符后的明文
-	 */
-	public static byte[] decode(byte[] decrypted) {
-		int pad = (int) decrypted[decrypted.length - 1];
-		if (pad < 1 || pad > 32) {
-			pad = 0;
-		}
-		return Arrays.copyOfRange(decrypted, 0, decrypted.length - pad);
-	}
-}
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