Changeset 2152 for lang/php/Cache/trunk/Handler/PlugIn/Crypt.php

Timestamp:

11/30/07 01:35:15 (6 years ago)

Author:

takuya

Message:

/lang/php/Cache 暗号化してキャッシュをできるようにした

Files:

• lang/php/Cache/trunk/Handler/PlugIn/Crypt.php (modified) (3 diffs)

lang/php/Cache/trunk/Handler/PlugIn/Crypt.php

@@ -6 +6 @@
  * @category    Cache
  * @description crypt cache data to make difficult for reading data
+ * @see http://labs.unoh.net/2007/11/php_de_crypt.html 暗号化はこれを参考
  */
 
-require_once 'Cache/Handler/PlugIn/Interface.php';
+//require_once 'Cache/Handler/PlugIn/Interface.php';
 
-class Cache_Handler_PlugIn_Crypt implements Cache_Handler_PlugIn_Interface {
+class Cache_Handler_PlugIn_Crypt/* implements Cache_Handler_PlugIn_Interface */{
     /** 
     * @access public
@@ -17 +18 @@
     {
         $this->crypt_keyword = $key;
-        $this->crypt_function_name = "undefined";
     }
-    
-    public function encode($data){
-        return $data ;
+    private function initMcrypt(){
+                /**
+                 * 初期化ベクトルを用意する
+                 * Windowsの場合、MCRYPT_DEV_URANDOMの代わりにMCRYPT_RANDを使用する
+                 */
+                $iv = mcrypt_create_iv(mcrypt_get_iv_size(MCRYPT_BLOWFISH, MCRYPT_MODE_CBC), MCRYPT_DEV_URANDOM);
+                // 事前処理
+                $resource = mcrypt_module_open(MCRYPT_BLOWFISH, '',  MCRYPT_MODE_CBC, '');;
     }
-    public function decode($data){
-        return $data ;
+    private function encode($data){
+        return $encrypted_data = mcrypt_cbc(MCRYPT_BLOWFISH, $this->crypt_keyword, $data, MCRYPT_ENCRYPT, $this->iv);
+    }
+    private function decode($data){
+        return $encrypted_data = mcrypt_cbc(MCRYPT_BLOWFISH, $this->crypt_keyword, $data, MCRYPT_DECRYPT, $this->iv);
     }
     /** 
@@ -48 +56 @@
 
 }
+
+/////////test
+//$crypter = new Cache_Handler_PlugIn_Crypt("test");
+//$data = "Googleのエンジニアってすごいよね";
+//echo "------------";
+//echo "\n";
+//echo $data = $crypter->beforeWrite($data);
+//echo "\n";
+//echo "------------";
+//echo "\n";
+//echo $data = $crypter->afterRead($data);
+//echo "\n";