Initial commit: queue workspace

Made-with: Cursor

pro_v3.5.1/crmeb/services/wechat/util/AES.php

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+<?php
+/**
+ *  +----------------------------------------------------------------------
+ *  | CRMEB [ CRMEB赋能开发者，助力企业发展 ]
+ *  +----------------------------------------------------------------------
+ *  | Copyright (c) 2016~2022 https://www.crmeb.com All rights reserved.
+ *  +----------------------------------------------------------------------
+ *  | Licensed CRMEB并不是自由软件，未经许可不能去掉CRMEB相关版权
+ *  +----------------------------------------------------------------------
+ *  | Author: CRMEB Team <admin@crmeb.com>
+ *  +----------------------------------------------------------------------
+ */
+
+namespace crmeb\services\wechat\util;
+
+
+use InvalidArgumentException;
+
+/**
+ * AES 加密解密
+ * Class AES
+ * @author 等风来
+ * @email 136327134@qq.com
+ * @date 2023/9/18
+ * @package crmeb\services\wechat\util
+ */
+class AES
+{
+    /**
+     * 加密
+     * @param string $text
+     * @param string $key
+     * @param string $iv
+     * @param int $option
+     *
+     * @return string
+     */
+    public static function encrypt(string $text, string $key, string $iv, int $option = OPENSSL_RAW_DATA): string
+    {
+        self::validateKey($key);
+        self::validateIv($iv);
+
+        return openssl_encrypt($text, self::getMode($key), $key, $option, $iv);
+    }
+
+    /**
+     * 解密
+     * @param string $cipherText
+     * @param string $key
+     * @param string $iv
+     * @param int $option
+     * @param string|null $method
+     *
+     * @return string
+     */
+    public static function decrypt(string $cipherText, string $key, string $iv, int $option = OPENSSL_RAW_DATA, $method = null): string
+    {
+        self::validateKey($key);
+        self::validateIv($iv);
+
+        return openssl_decrypt($cipherText, $method ?: self::getMode($key), $key, $option, $iv);
+    }
+
+    /**
+     * @param string $key
+     *
+     * @return string
+     */
+    public static function getMode(string $key)
+    {
+        return 'aes-' . (8 * strlen($key)) . '-cbc';
+    }
+
+    /**
+     * @param string $key
+     */
+    public static function validateKey(string $key)
+    {
+        if (!in_array(strlen($key), [16, 24, 32], true)) {
+            throw new InvalidArgumentException(sprintf('Key length must be 16, 24, or 32 bytes; got key len (%s).', strlen($key)));
+        }
+    }
+
+    /**
+     * @param string $iv
+     *
+     * @throws InvalidArgumentException
+     */
+    public static function validateIv(string $iv)
+    {
+        if (!empty($iv) && 16 !== strlen($iv)) {
+            throw new InvalidArgumentException('IV length must be 16 bytes.');
+        }
+    }
+}