From 2a9bb7f2b68766cbc112a3858ef80ba3a7433826 Mon Sep 17 00:00:00 2001
From: wkc <978997012@qq.com>
Date: Mon, 2 Mar 2026 09:57:48 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20=E6=B7=BB=E5=8A=A0MD5=E5=8A=A0=E5=AF=86?=
 =?UTF-8?q?=E5=B7=A5=E5=85=B7=E7=B1=BB?=
MIME-Version: 1.0
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---
 .../java/com/ruoyi/lsfx/util/MD5Util.java     | 45 +++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 ccdi-lsfx/src/main/java/com/ruoyi/lsfx/util/MD5Util.java

diff --git a/ccdi-lsfx/src/main/java/com/ruoyi/lsfx/util/MD5Util.java b/ccdi-lsfx/src/main/java/com/ruoyi/lsfx/util/MD5Util.java
new file mode 100644
index 0000000..1c832c7
--- /dev/null
+++ b/ccdi-lsfx/src/main/java/com/ruoyi/lsfx/util/MD5Util.java
@@ -0,0 +1,45 @@
+package com.ruoyi.lsfx.util;
+
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+
+/**
+ * MD5加密工具类
+ */
+public class MD5Util {
+
+    /**
+     * MD5加密
+     * @param input 待加密字符串
+     * @return MD5加密后的32位小写字符串
+     */
+    public static String encrypt(String input) {
+        try {
+            MessageDigest md = MessageDigest.getInstance("MD5");
+            byte[] messageDigest = md.digest(input.getBytes());
+            StringBuilder hexString = new StringBuilder();
+            for (byte b : messageDigest) {
+                String hex = Integer.toHexString(0xff & b);
+                if (hex.length() == 1) {
+                    hexString.append('0');
+                }
+                hexString.append(hex);
+            }
+            return hexString.toString();
+        } catch (NoSuchAlgorithmException e) {
+            throw new RuntimeException("MD5加密失败", e);
+        }
+    }
+
+    /**
+     * 生成安全码
+     * @param projectNo 项目编号
+     * @param entityName 项目名称
+     * @param appSecret 应用密钥
+     * @return MD5安全码
+     */
+    public static String generateSecretCode(String projectNo, String entityName, String appSecret) {
+        String raw = projectNo + "_" + entityName + "_" + appSecret;
+        return encrypt(raw);
+    }
+}