chore: 重写初始提交(清空历史,整理后全量提交)

ywxapp/utils/AesUtil.php

@@ -0,0 +1,60 @@
+<?php
+// +----------------------------------------------------------------------
+// | YwxApp [ WE CAN DO IT JUST THINK ]
+// +----------------------------------------------------------------------
+// | Copyright (c) 2026-2036 http://ywxapp.cn All rights reserved.
+// +----------------------------------------------------------------------
+// | Author: ywxapp<admin@ywxapp.cn>
+// +----------------------------------------------------------------------
+// server/utils/AesUtil.php
+
+namespace ywxapp\utils;
+
+/**
+ * AesUtil 类
+ *
+ * @author ywxapp <admin@ywxapp.cn>
+ */
+class AesUtil
+{
+    private const METHOD = 'aes-256-cbc';
+    private static $key;
+    private static $iv;
+
+    
+    public static function setKeyAndIv(string $key, string $iv)
+    {
+        if (strlen($key) !== 32) throw new \Exception("AES Key 必须为32字节");
+        if (strlen($iv) !== 16) throw new \Exception("AES IV 必须为16字节");
+        self::$key = $key;
+        self::$iv = $iv;
+    }
+
+    
+    public static function encrypt(string $plaintext): string
+    {
+        $encrypted = openssl_encrypt(
+            $plaintext,
+            self::METHOD,
+            self::$key,
+            OPENSSL_RAW_DATA,
+            self::$iv
+        );
+        return base64_encode($encrypted);
+    }
+
+    
+    public static function decrypt(string $ciphertext): string
+    {
+        $data = base64_decode($ciphertext);
+        $result = openssl_decrypt(
+            $data,
+            self::METHOD,
+            self::$key,
+            OPENSSL_RAW_DATA,
+            self::$iv
+        );
+        if ($result === false) throw new \Exception("AES 解密失败");
+        return $result;
+    }
+}