From 871d4095b07cedacb7fbef4c38d64982f539c404 Mon Sep 17 00:00:00 2001
From: fei.wang <wf18701153496@163.com>
Date: 星期四, 09 五月 2024 15:40:15 +0800
Subject: [PATCH] 测试提交
---
src/main/java/com/flow/util/DESUtil.java | 83 +++++++++++++++++++++++++++++++++++++++++
1 files changed, 83 insertions(+), 0 deletions(-)
diff --git a/src/main/java/com/flow/util/DESUtil.java b/src/main/java/com/flow/util/DESUtil.java
new file mode 100644
index 0000000..43bc29a
--- /dev/null
+++ b/src/main/java/com/flow/util/DESUtil.java
@@ -0,0 +1,83 @@
+
+package com.flow.util;
+
+import java.security.SecureRandom;
+import javax.crypto.Cipher;
+import javax.crypto.SecretKey;
+import javax.crypto.SecretKeyFactory;
+import javax.crypto.spec.DESKeySpec;
+import org.apache.commons.codec.binary.Base64;
+
+public class DESUtil {
+ public static final String KEY_ALGORITHM = "DES";
+ public static final String CIPHER_ALGORITHM = "DESede/CBC/PKCS5Padding";
+ public static String key = "FHGT4KHVJKVKV2KHCTBM";
+
+ public DESUtil() {
+ }
+
+ private static SecretKey keyGenerator(String keyStr) throws Exception {
+ byte[] input = HexString2Bytes(keyStr);
+ DESKeySpec desKey = new DESKeySpec(input);
+ SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("DES");
+ SecretKey securekey = keyFactory.generateSecret(desKey);
+ return securekey;
+ }
+
+ private static int parse(char c) {
+ if (c >= 'a') {
+ return c - 97 + 10 & 15;
+ } else {
+ return c >= 'A' ? c - 65 + 10 & 15 : c - 48 & 15;
+ }
+ }
+
+ public static byte[] HexString2Bytes(String hexstr) {
+ byte[] b = new byte[hexstr.length() / 2];
+ int j = 0;
+
+ for(int i = 0; i < b.length; ++i) {
+ char c0 = hexstr.charAt(j++);
+ char c1 = hexstr.charAt(j++);
+ b[i] = (byte)(parse(c0) << 4 | parse(c1));
+ }
+
+ return b;
+ }
+
+ public static String encrypt(String data, String key) throws Exception {
+ SecureRandom sr = new SecureRandom();
+ DESKeySpec dks = new DESKeySpec(key.getBytes());
+ SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("DES");
+ SecretKey securekey = keyFactory.generateSecret(dks);
+ Cipher cipher = Cipher.getInstance("DES");
+ cipher.init(1, securekey, sr);
+ byte[] results = cipher.doFinal(data.getBytes());
+ return Base64.encodeBase64String(results);
+ }
+
+ public static String decrypt(String data, String key) throws Exception {
+ SecureRandom sr = new SecureRandom();
+ DESKeySpec dks = new DESKeySpec(key.getBytes());
+ SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("DES");
+ SecretKey securekey = keyFactory.generateSecret(dks);
+ Cipher cipher = Cipher.getInstance("DES");
+ cipher.init(2, securekey, sr);
+ return new String(cipher.doFinal(Base64.decodeBase64(data)));
+ }
+
+ public static void main(String[] args) throws Exception {
+ String url = "jdbc:mysql://localhost:3306/hxzkflow?useUnicode=true&characterEncoding=UTF-8&useSSL=false&autoReconnect=true";
+ String username = "15210640466";
+ String password = "123456";
+ System.out.println("url: " + url);
+ System.out.println("username: " + username);
+ System.out.println("password: " + password);
+ String e_url = encrypt(url, key);
+ String e_username = encrypt(username, key);
+ String e_password = encrypt(password, key);
+ System.out.println("鍔犲瘑鍚巙rl: " + e_url);
+ System.out.println("鍔犲瘑鍚巙sername: " + e_username);
+ System.out.println("鍔犲瘑鍚巔assword: " + e_password);
+ }
+}
--
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