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app/Support/AES.php

@@ -0,0 +1,64 @@
+<?php namespace App\Support;
+
+/**
+ * openssl AES加密解密
+ *
+ * @author Hawind <hawind@qq.com>
+ *
+ * @version 1.0
+ */
+class AES
+{
+    /**
+     * openssl aes 加密
+     */
+    public static function crypto_encrypt($data, $key, $options = OPENSSL_RAW_DATA)
+    {
+        $iv = substr($key, 0, -16);
+        $encrypted = openssl_encrypt($data, 'aes-256-cbc', $key, $options, $iv);
+        return $encrypted;
+    }
+
+    /**
+     * openssl aes 解密
+     */
+    public static function crypto_decrypt($data, $key, $options = OPENSSL_RAW_DATA)
+    {
+        $iv = substr($key, 0, -16);
+        return openssl_decrypt($data, 'aes-256-cbc', $key, $options, $iv);
+    }
+
+    /**
+     * 加密.
+     *
+     * @param mixed  $contents   要加密的内容
+     * @param string $encryptKey 加密的Key，长度为14，24，32
+     *
+     * @return string 已加密的内容
+     */
+    public static function encrypt($data, $key)
+    {
+        $iv   = openssl_random_pseudo_bytes(16);
+        $encrypted = [
+            base64_encode($iv),
+            openssl_encrypt($data, 'aes-256-cbc', $key, 0, $iv)
+        ];
+        return base64_encode(json_encode($encrypted));
+    }
+
+    /**
+     * 解密.
+     *
+     * @param string $data 已加密的内容
+     * @param string $key  解密Key
+     *
+     * @return string 已解密的内容
+     */
+    public static function decrypt($data, $key)
+    {
+        $encrypt   = json_decode(base64_decode($data), true);
+        $iv        = base64_decode($encrypt[0]);
+        $decrypted = openssl_decrypt($encrypt[1], 'aes-256-cbc', $key, 0, $iv);
+        return $decrypted;
+    }
+}