diff --git a/crypt.php b/crypt.php
index 80e7dd4b..1aa60dec 100644
--- a/crypt.php
+++ b/crypt.php
@@ -2,57 +2,59 @@
 set_include_path(get_include_path() . PATH_SEPARATOR . dirname(__FILE__) . DIRECTORY_SEPARATOR . 'libpy2php');
 require_once ('libpy2php.php');
 require_once ('AES.class.php');
-function ige_encrypt($message, $key, $iv) {
-    return py2php_kwargs_function_call('_ige', [$message, $key, $iv], ["operation" => 'encrypt']);
-}
-function ige_decrypt($message, $key, $iv) {
-    return py2php_kwargs_function_call('_ige', [$message, $key, $iv], ["operation" => 'decrypt']);
-}
-/**
- * Given a key, given an iv, and message
- * do whatever operation asked in the operation field.
- * Operation will be checked for: "decrypt" and "encrypt" strings.
- * Returns the message encrypted/decrypted.
- * message must be a multiple by 16 bytes (for division in 16 byte blocks)
- * key must be 32 byte
- * iv must be 32 byte (it's not internally used in AES 256 ECB, but it's
- * needed for IGE)
- */
-function _ige($message, $key, $iv, $operation = 'decrypt') {
-    $message = $bytes($message);
-    if ((count($key) != 32)) {
-        throw new $ValueError('key must be 32 bytes long (was ' . pyjslib_str(count($key)) . ' bytes)');
+class crypt {
+    function ige_encrypt($message, $key, $iv) {
+        return _ige($message, $key, $iv, 'encrypt');
     }
-    if ((count($iv) != 32)) {
-        throw new $ValueError('iv must be 32 bytes long (was ' . pyjslib_str(count($iv)) . ' bytes)');
+    function ige_decrypt($message, $key, $iv) {
+        return _ige($message, $key, $iv, 'decrypt');
     }
-    $cipher = new AES($key);
-    $cipher = $cipher->encrypt($iv);
-    $blocksize = $cipher->block_size;
-    if (((count($message) % $blocksize) != 0)) {
-        throw new $ValueError('message must be a multiple of 16 bytes (try adding ' . pyjslib_str((16 - (count($message) % 16))) . ' bytes of padding)');
-    }
-    $ivp = array_slice($iv, 0, $blocksize - 0);
-    $ivp2 = array_slice($iv, $blocksize, null);
-    $ciphered = $bytes();
-    foreach (pyjslib_range(0, count($message), $blocksize) as $i) {
-        $indata = array_slice($message, $i, ($i + $blocksize) - $i);
-        if (($operation == 'decrypt')) {
-            $xored = new strxor($indata, $ivp2);
-            $decrypt_xored = $cipher->decrypt($xored);
-            $outdata = new strxor($decrypt_xored, $ivp);
-            $ivp = $indata;
-            $ivp2 = $outdata;
-        } else if (($operation == 'encrypt')) {
-            $xored = new strxor($indata, $ivp);
-            $encrypt_xored = $cipher->encrypt($xored);
-            $outdata = new strxor($encrypt_xored, $ivp2);
-            $ivp = $outdata;
-            $ivp2 = $indata;
-        } else {
-            throw new $ValueError('operation must be either \'decrypt\' or \'encrypt\'');
+    /**
+    * Given a key, given an iv, and message
+    * do whatever operation asked in the operation field.
+    * Operation will be checked for: "decrypt" and "encrypt" strings.
+    * Returns the message encrypted/decrypted.
+    * message must be a multiple by 16 bytes (for division in 16 byte blocks)
+    * key must be 32 byte
+    * iv must be 32 byte (it's not internally used in AES 256 ECB, but it's
+    * needed for IGE)
+    */
+    function _ige($message, $key, $iv, $operation = 'decrypt') {
+        $message = str_split($message);
+        if ((len($key) != 32)) {
+            throw new Exception('key must be 32 bytes long (was ' . len($key) . ' bytes)');
         }
-        $ciphered+= $outdata;
+        if ((len($iv) != 32)) {
+            throw new Exception('iv must be 32 bytes long (was ' . len($iv) . ' bytes)');
+        }
+        $cipher = new AES($key);
+        $cipher = $cipher->encrypt($iv);
+        $blocksize = $cipher->block_size;
+        if ((len($message) % $blocksize) != 0) {
+            throw new Exception('message must be a multiple of 16 bytes (try adding ' . (16 - (count($message) % 16)) . ' bytes of padding)');
+        }
+        $ivp = substr($iv, 0, $blocksize - 0);
+        $ivp2 = substr($iv, $blocksize, null);
+        $ciphered = null;
+        foreach (pyjslib_range(0, len($message), $blocksize) as $i) {
+            $indata = substr($message, $i, ($i + $blocksize) - $i);
+            if (($operation == 'decrypt')) {
+                $xored = strxor($indata, $ivp2);
+                $decrypt_xored = $cipher->decrypt($xored);
+                $outdata = strxor($decrypt_xored, $ivp);
+                $ivp = $indata;
+                $ivp2 = $outdata;
+            } else if (($operation == 'encrypt')) {
+                $xored = strxor($indata, $ivp);
+                $encrypt_xored = $cipher->encrypt($xored);
+                $outdata = strxor($encrypt_xored, $ivp2);
+                $ivp = $outdata;
+                $ivp2 = $indata;
+            } else {
+                throw new Exception('operation must be either \'decrypt\' or \'encrypt\'');
+            }
+            $ciphered .= $outdata;
+        }
+        return $ciphered;
     }
-    return $ciphered;
-}
+}
\ No newline at end of file
diff --git a/mtproto.php b/mtproto.php
index 3f26db44..982e3964 100755
Binary files a/mtproto.php and b/mtproto.php differ
diff --git a/mtproto.py b/mtproto.py
index db69b89a..869b157d 100644
--- a/mtproto.py
+++ b/mtproto.py
@@ -40,7 +40,7 @@ def vis(bs):
     if not len(bs) % symbols_in_one_line == 0:
         print(str((i+1)*symbols_in_one_line)+" | "+" ".join(["%02X" % b for b in bs[(i+1)*symbols_in_one_line:]])+"\n") # for last line
 
-
+vis(b'ddd')
 class Session:
     """ Manages TCP Transport. encryption and message frames """
     def __init__(self, ip, port, auth_key=None, server_salt=None):