{"id":29042,"date":"2024-11-25T15:41:47","date_gmt":"2024-11-25T07:41:47","guid":{"rendered":"https:\/\/fwq.ai\/blog\/29042\/"},"modified":"2024-11-25T15:41:47","modified_gmt":"2024-11-25T07:41:47","slug":"%e8%af%a6%e8%a7%a3java%e5%be%ae%e4%bf%a1%e4%bc%81%e4%b8%9a%e5%8f%b7%e5%bc%80%e5%8f%91%e4%b9%8b%e5%bc%80%e5%8f%91%e6%a8%a1%e5%bc%8f%e7%9a%84%e5%bc%80%e5%90%af%e6%ad%a5%e9%aa%a4","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/29042\/","title":{"rendered":"\u8be6\u89e3java\u5fae\u4fe1\u4f01\u4e1a\u53f7\u5f00\u53d1\u4e4b\u5f00\u53d1\u6a21\u5f0f\u7684\u5f00\u542f\u6b65\u9aa4"},"content":{"rendered":"

\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4e3a\u5927\u5bb6\u8be6\u7ec6\u4ecb\u7ecd\u4e86java\u5fae\u4fe1\u4f01\u4e1a\u53f7\u5f00\u53d1\u4e4b\u5f00\u53d1\u6a21\u5f0f\u7684\u5f00\u542f\u65b9\u6cd5\uff0c\u611f\u5174\u8da3\u7684\u5c0f\u4f19\u4f34\u4eec\u53ef\u4ee5\u53c2\u8003\u4e00\u4e0b<\/p>\n

\u9996\u5148\u8bf4\u5fae\u4fe1\u4f01\u4e1a\u53f7\u7684\u5f00\u53d1\u6a21\u5f0f\u5206\u4e3a\uff1a\uff08\u666e\u901a\u6a21\u5f0f\uff09<\/strong>\u548c\u5f00\u53d1\u6a21\u5f0f\uff08\u56de\u8c03\u6a21\u5f0f\uff09<\/strong> \uff0c\u5728\u7f16\u8f91\u6a21\u5f0f\u4e0b\uff0c\u53ea\u80fd\u505a\u7b80\u5355\u7684\u548c\u81ea\u52a8\u56de\u590d\u6d88\u606f\uff0c\u8981\u60f3\u5b9e\u73b0\u5176\u4ed6\u529f\u80fd\u8fd8\u5f97\u5f00\u542f\u5f00\u53d1\u8005\u6a21\u5f0f\u3002<\/p>\n

\u4e00\u3001\u7f16\u8f91\u6a21\u5f0f\u548c\u5f00\u53d1\u6a21\u5f0f\u5bf9\u6d88\u606f\u7684\u5904\u7406\u6d41\u7a0b<\/strong><\/p>\n

 1.\u7f16\u8f91\u6a21\u5f0f\u4e0b\uff0c\u6240\u6709\u7684\u4e1a\u52a1\u6d41\u7a0b\u90fd\u914d\u7f6e\u5728\u5fae\u4fe1\u670d\u52a1\u5668\u4e0a\uff0c\u7531\u5b83\u5904\u7406<\/p>\n

  \"\u8be6\u89e3java\u5fae\u4fe1\u4f01\u4e1a\u53f7\u5f00\u53d1\u4e4b\u5f00\u53d1\u6a21\u5f0f\u7684\u5f00\u542f\u6b65\u9aa4\u63d2\u56fe\"<\/p>\n

2.\u5f00\u53d1\u6a21\u5f0f\uff0c\u6d88\u606f\u901a\u8fc7\u7b2c\u4e09\u65b9\u670d\u52a1\u5668\u5904\u7406\uff0c\u6700\u540e\u7ecf\u8fc7\u5fae\u4fe1\u670d\u52a1\u5668\u628a\u6d88\u606f\u53d1\u9001\u7ed9\u7528\u6237<\/p>\n

\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n

  \"\u8be6\u89e3java\u5fae\u4fe1\u4f01\u4e1a\u53f7\u5f00\u53d1\u4e4b\u5f00\u53d1\u6a21\u5f0f\u7684\u5f00\u542f\u6b65\u9aa4\u63d2\u56fe1\"<\/p>\n

\u5f00\u53d1\u6a21\u5f0f\u80fd\u5904\u7406\u7684\u6d88\u606f\u6bd4\u7f16\u8f91\u6a21\u5f0f\u591a\uff0c\u6240\u4ee5\u8981\u5148\u5f00\u542f\u5f00\u53d1\u6a21\u5f0f\u624d\u80fd\u5f00\u53d1\u66f4\u591a\u529f\u80fd\u3002<\/p>\n

\u4e8c\u3001\u5f00\u53d1\u6a21\u5f0f\u7684\u5f00\u542f<\/strong><\/p>\n

     \u5728\u56de\u8c03\u6a21\u5f0f\u4e0b\uff0c\u4f01\u4e1a\u4e0d\u4ec5\u53ef\u4ee5\u4e3b\u52a8\u8c03\u7528\u4f01\u4e1a\u53f7\uff0c\u8fd8\u53ef\u4ee5\u63a5\u6536\u7528\u6237\u7684\u6d88\u606f\u6216\u3002\u63a5\u6536\u7684\u4fe1\u606f\u4f7f\u7528\u6570\u636e\u683c\u5f0f\u3001UTF8\u7f16\u7801\uff0c\u5e76\u4ee5AES\u65b9\u5f0f\u52a0\u5bc6<\/strong>\u3002<\/p>\n

1.\u5f00\u542f\u56de\u8c03\u6a21\u5f0f\u540e\u8981\u914d\u7f6e\u53c2\u6570\u5982\u4e0b\uff1a<\/p>\n

  \"\u8be6\u89e3java\u5fae\u4fe1\u4f01\u4e1a\u53f7\u5f00\u53d1\u4e4b\u5f00\u53d1\u6a21\u5f0f\u7684\u5f00\u542f\u6b65\u9aa4\u63d2\u56fe2\"<\/p>\n

\u5176\u4e2durl\u662f\u8981\u8bbf\u95ee\u7684\uff0ctoken\u548cEncodingAES\u662f\u968f\u673a\u83b7\u53d6\u7684\uff0c\u4f46\u8981\u548c\u9879\u76ee\u4e2d\u4fdd\u6301\u4e00\u81f4\u3002<\/p>\n

2.\u9a8c\u8bc1URL\u7684\u6709\u6548\u6027<\/p>\n

\u5f53\u4f60\u63d0\u4ea4\u4ee5\u4e0a\u4fe1\u606f\u65f6\uff0c\u4f01\u4e1a\u53f7\u5c06\u53d1\u9001GET\u8bf7\u6c42\u5230\u586b\u5199\u7684URL\u4e0a\uff0cGET\u8bf7\u6c42\u643a\u5e26\u56db\u4e2a\u53c2\u6570\uff0c\u4f01\u4e1a\u5728\u83b7\u53d6\u65f6\u9700\u8981\u505aurldecode\u5904\u7406<\/strong>\uff0c\u5426\u5219\u4f1a\u9a8c\u8bc1\u4e0d\u6210\u529f\u3002<\/p>\n

\"\u8be6\u89e3java\u5fae\u4fe1\u4f01\u4e1a\u53f7\u5f00\u53d1\u4e4b\u5f00\u53d1\u6a21\u5f0f\u7684\u5f00\u542f\u6b65\u9aa4\u63d2\u56fe3\"<\/p>\n

3.\u4ee3\u7801<\/p>\n

CoreServlet1\u7c7b <\/p>\n<\/p>\n

public class CoreServlet1 extends HttpServlet {\r\n private static final long serialVersionUID = 4440739483644821986L;\r\n String sToken = \"weixinCourse\";\r\n String sCorpID = \"wxe510946434680dab\";\r\n String sEncodingAESKey = \"DjlyZxgKiWRESIW2VnV9dSr7HsS7usWDfnwA8Q1ove1\";\r\n \r\n public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {\r\n \r\n  WXBizMsgCrypt wxcpt;\r\n \r\n   try {\r\n wxcpt = new WXBizMsgCrypt(sToken, sEncodingAESKey, sCorpID); \r\n \r\n String sVerifyMsgSig = request.getParameter(\"msg_signature\");\r\n \r\n String sVerifyTimeStamp = request.getParameter(\"timestamp\"); \r\n \r\n String sVerifyNonce = request.getParameter(\"nonce\"); \r\n \r\n String sVerifyEchoStr = request.getParameter(\"echostr\");  \r\n String sEchoStr;\r\n \r\n sEchoStr = wxcpt.VerifyURL(sVerifyMsgSig, sVerifyTimeStamp,\r\n   sVerifyNonce, sVerifyEchoStr);\r\n System.out.println(\"verifyurl echostr: \" + sEchoStr);\r\n PrintWriter out = response.getWriter();\r\n out.print(sEchoStr); \r\n out.close();\r\n out = null;\r\n \r\n } catch (AesException e1) {\r\n \r\n e1.printStackTrace();\r\n }\r\n \r\n  }\r\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5de5\u5177\u7c7b\uff1a<\/p>\n<\/p>\n
\r\n \/**\r\n * \u5bf9\u516c\u4f17\u5e73\u53f0\u53d1\u9001\u7ed9\u516c\u4f17\u8d26\u53f7\u7684\u6d88\u606f\u52a0\u89e3\u5bc6\u793a\u4f8b\u4ee3\u7801.\r\n * \r\n * @copyright Copyright (c) 1998-2014 Tencent Inc.\r\n *\/\r\n\r\n\/\/ ------------------------------------------------------------------------\r\n\r\n\/**\r\n * \u9488\u5bf9org.apache.commons.codec.binary.Base64\uff0c\r\n * \u9700\u8981\u5bfc\u5165\u67b6\u5305commons-codec-1.9\uff08\u6216commons-codec-1.8\u7b49\u5176\u4ed6\u7248\u672c\uff09\r\n * \u5b98\u65b9\u4e0b\u8f7d\u5730\u5740\uff1ahttp:\/\/www.php.cn\/\r\n *\/\r\npackage com.qq.weixin.mp.aes;\r\n\r\nimport java.nio.charset.Charset;\r\nimport java.util.Arrays;\r\nimport java.util.Random;\r\n\r\nimport javax.crypto.Cipher;\r\nimport javax.crypto.spec.IvParameterSpec;\r\nimport javax.crypto.spec.SecretKeySpec;\r\n\r\nimport org.apache.commons.codec.binary.Base64;\r\n\r\n\/**\r\n * \u63d0\u4f9b\u63a5\u6536\u548c\u63a8\u9001\u7ed9\u516c\u4f17\u5e73\u53f0\u6d88\u606f\u7684\u52a0\u89e3\u5bc6\u63a5\u53e3(UTF8\u7f16\u7801\u7684\u5b57\u7b26\u4e32).\r\n * <ol>\r\n * <li>\u7b2c\u4e09\u65b9\u56de\u590d\u52a0\u5bc6\u6d88\u606f\u7ed9\u516c\u4f17\u5e73\u53f0<\/li>\r\n * <li>\u7b2c\u4e09\u65b9\u6536\u5230\u516c\u4f17\u5e73\u53f0\u53d1\u9001\u7684\u6d88\u606f\uff0c\u9a8c\u8bc1\u6d88\u606f\u7684\u5b89\u5168\u6027\uff0c\u5e76\u5bf9\u6d88\u606f\u8fdb\u884c\u89e3\u5bc6\u3002<\/li>\r\n * <\/ol>\r\n * \u8bf4\u660e\uff1a\u5f02\u5e38java.security.InvalidKeyException:illegal Key Size\u7684\u89e3\u51b3\u65b9\u6848\r\n * <ol>\r\n * <li>\u5728\u5b98\u65b9\u7f51\u7ad9\u4e0b\u8f7dJCE\u65e0\u9650\u5236\u6743\u9650\u7b56\u7565\u6587\u4ef6\uff08JDK7\u7684\u4e0b\u8f7d\u5730\u5740\uff1a\r\n *   http:\/\/www.php.cn\/;\/li&gt;\r\n * <\/li>\n<li>\u4e0b\u8f7d\u540e\u89e3\u538b\uff0c\u53ef\u4ee5\u770b\u5230local_policy.jar\u548cUS_export_policy.jar\u4ee5\u53careadme.txt<\/li>\r\n * <li>\u5982\u679c\u5b89\u88c5\u4e86JRE\uff0c\u5c06\u4e24\u4e2ajar\u6587\u4ef6\u653e\u5230%JRE_HOME%libsecurity\u76ee\u5f55\u4e0b\u8986\u76d6\u539f\u6765\u7684\u6587\u4ef6<\/li>\r\n * <li>\u5982\u679c\u5b89\u88c5\u4e86JDK\uff0c\u5c06\u4e24\u4e2ajar\u6587\u4ef6\u653e\u5230%JDK_HOME%jrelibsecurity\u76ee\u5f55\u4e0b\u8986\u76d6\u539f\u6765\u6587\u4ef6<\/li>\r\n * <\/ol>\r\n *\/\r\npublic class WXBizMsgCrypt {\r\n static Charset CHARSET = Charset.forName(\"utf-8\");\r\n Base64 base64 = new Base64();\r\n byte[] aesKey;\r\n String token;\r\n String corpId;\r\n\r\n \/**\r\n * \u6784\u9020\u51fd\u6570\r\n * @param token \u516c\u4f17\u5e73\u53f0\u4e0a\uff0c\u5f00\u53d1\u8005\u8bbe\u7f6e\u7684token\r\n * @param encodingAesKey \u516c\u4f17\u5e73\u53f0\u4e0a\uff0c\u5f00\u53d1\u8005\u8bbe\u7f6e\u7684EncodingAESKey\r\n * @param corpId \u4f01\u4e1a\u7684corpid\r\n * \r\n * @throws AesException \u6267\u884c\u5931\u8d25\uff0c\u8bf7\u67e5\u770b\u8be5\u5f02\u5e38\u7684\u9519\u8bef\u7801\u548c\u5177\u4f53\u7684\u9519\u8bef\u4fe1\u606f\r\n *\/\r\n public WXBizMsgCrypt(String token, String encodingAesKey, String corpId) throws AesException {\r\n if (encodingAesKey.length() != 43) {\r\n  throw new AesException(AesException.IllegalAesKey);\r\n }\r\n\r\n this.token = token;\r\n this.corpId = corpId;\r\n aesKey = Base64.decodeBase64(encodingAesKey + \"=\");\r\n }\r\n\r\n \r\n \r\n\r\n \/**\r\n * \u5bf9\u5bc6\u6587\u8fdb\u884c\u89e3\u5bc6.\r\n * \r\n * @param text \u9700\u8981\u89e3\u5bc6\u7684\u5bc6\u6587\r\n * @return \u89e3\u5bc6\u5f97\u5230\u7684\u660e\u6587\r\n * @throws AesException aes\u89e3\u5bc6\u5931\u8d25\r\n *\/\r\n String decrypt(String text) throws AesException {\r\n byte[] original;\r\n try {\r\n  \/\/ \u8bbe\u7f6e\u89e3\u5bc6\u6a21\u5f0f\u4e3aAES\u7684CBC\u6a21\u5f0f\r\n  Cipher cipher = Cipher.getInstance(\"AES\/CBC\/NoPadding\");\r\n  SecretKeySpec key_spec = new SecretKeySpec(aesKey, \"AES\");\r\n  IvParameterSpec iv = new IvParameterSpec(Arrays.copyOfRange(aesKey, 0, 16));\r\n  cipher.init(Cipher.DECRYPT_MODE, key_spec, iv);\r\n\r\n  \/\/ \u4f7f\u7528BASE64\u5bf9\u5bc6\u6587\u8fdb\u884c\u89e3\u7801\r\n  byte[] encrypted = Base64.decodeBase64(text);\r\n\r\n  \/\/ \u89e3\u5bc6\r\n  original = cipher.doFinal(encrypted);\r\n } catch (Exception e) {\r\n  e.printStackTrace();\r\n  throw new AesException(AesException.DecryptAESError);\r\n }\r\n\r\n String xmlContent, from_corpid;\r\n try {\r\n  \/\/ \u53bb\u9664\u8865\u4f4d\u5b57\u7b26\r\n  byte[] bytes = PKCS7Encoder.decode(original);\r\n\r\n  \/\/ \u5206\u79bb16\u4f4d\u968f\u673a\u5b57\u7b26\u4e32,\u7f51\u7edc\u5b57\u8282\u5e8f\u548ccorpId\r\n  byte[] networkOrder = Arrays.copyOfRange(bytes, 16, 20);\r\n\r\n  int xmlLength = recoverNetworkBytesOrder(networkOrder);\r\n\r\n  xmlContent = new String(Arrays.copyOfRange(bytes, 20, 20 + xmlLength), CHARSET);\r\n  from_corpid = new String(Arrays.copyOfRange(bytes, 20 + xmlLength, bytes.length),\r\n   CHARSET);\r\n } catch (Exception e) {\r\n  e.printStackTrace();\r\n  throw new AesException(AesException.IllegalBuffer);\r\n }\r\n\r\n \/\/ corpid\u4e0d\u76f8\u540c\u7684\u60c5\u51b5\r\n if (!from_corpid.equals(corpId)) {\r\n  throw new AesException(AesException.ValidateCorpidError);\r\n }\r\n return xmlContent;\r\n\r\n }\r\n\r\n\r\n \/**\r\n * \u9a8c\u8bc1URL\r\n * @param msgSignature \u7b7e\u540d\u4e32\uff0c\u5bf9\u5e94URL\u53c2\u6570\u7684msg_signature\r\n * @param timeStamp \u65f6\u95f4\u6233\uff0c\u5bf9\u5e94URL\u53c2\u6570\u7684timestamp\r\n * @param nonce \u968f\u673a\u4e32\uff0c\u5bf9\u5e94URL\u53c2\u6570\u7684nonce\r\n * @param echoStr \u968f\u673a\u4e32\uff0c\u5bf9\u5e94URL\u53c2\u6570\u7684echostr\r\n * \r\n * @return \u89e3\u5bc6\u4e4b\u540e\u7684echostr\r\n * @throws AesException \u6267\u884c\u5931\u8d25\uff0c\u8bf7\u67e5\u770b\u8be5\u5f02\u5e38\u7684\u9519\u8bef\u7801\u548c\u5177\u4f53\u7684\u9519\u8bef\u4fe1\u606f\r\n *\/\r\n public String VerifyURL(String msgSignature, String timeStamp, String nonce, String echoStr)\r\n  throws AesException {\r\n String signature = SHA1.getSHA1(token, timeStamp, nonce, echoStr);\r\n\r\n if (!signature.equals(msgSignature)) {\r\n  throw new AesException(AesException.ValidateSignatureError);\r\n }\r\n\r\n String result = decrypt(echoStr);\r\n return result;\r\n }\r\n\r\n}\r\n \/**\r\n * \u5bf9\u516c\u4f17\u5e73\u53f0\u53d1\u9001\u7ed9\u516c\u4f17\u8d26\u53f7\u7684\u6d88\u606f\u52a0\u89e3\u5bc6\u793a\u4f8b\u4ee3\u7801.\r\n * \r\n * @copyright Copyright (c) 1998-2014 Tencent Inc.\r\n *\/\r\n\r\n\/\/ ------------------------------------------------------------------------\r\n\r\npackage com.qq.weixin.mp.aes;\r\n\r\nimport java.security.MessageDigest;\r\nimport java.util.Arrays;\r\n\r\n\/**\r\n * SHA1 class\r\n *\r\n * \u8ba1\u7b97\u516c\u4f17\u5e73\u53f0\u7684\u6d88\u606f\u7b7e\u540d\u63a5\u53e3.\r\n *\/\r\nclass SHA1 {\r\n\r\n \/**\r\n * \u7528SHA1\u7b97\u6cd5\u751f\u6210\u5b89\u5168\u7b7e\u540d\r\n * @param token \u7968\u636e\r\n * @param timestamp \u65f6\u95f4\u6233\r\n * @param nonce \u968f\u673a\u5b57\u7b26\u4e32\r\n * @param encrypt \u5bc6\u6587\r\n * @return \u5b89\u5168\u7b7e\u540d\r\n * @throws AesException \r\n *\/\r\n public static String getSHA1(String token, String timestamp, String nonce, String encrypt) throws AesException\r\n   {\r\n try {\r\n  String[] array = new String[] { token, timestamp, nonce, encrypt };\r\n  StringBuffer sb = new StringBuffer();\r\n  \/\/ \u5b57\u7b26\u4e32\u6392\u5e8f\r\n  Arrays.sort(array);\r\n  for (int i = 0; i  32) {\r\n  pad = 0;\r\n }\r\n return Arrays.copyOfRange(decrypted, 0, decrypted.length - pad);\r\n }\r\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4e09\u3001\u603b\u7ed3
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