Merge pull request #52 from AntoineLemaire/openssl-bug-fix

Fix OpenSSL encrypt ZERO_PADDING
PaylineByMonext · Jan 3, 2020 · bdf22f5 · bdf22f5
2 parents 3fb6779 + ac53f39
commit bdf22f5
Showing 1 changed file with 9 additions and 1 deletion.
diff --git a/src/Payline/PaylineSDK.php b/src/Payline/PaylineSDK.php
@@ -2309,7 +2309,15 @@ public function getEncrypt($message, $accessKey)
         $opts = OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING;
 
         $pad = 16;
-        $message .= str_repeat(chr($pad), $pad);
+        $len = strlen($message);
+
+        $padlen = $len + $pad - $len % $pad;
+        $message = str_pad(
+            $message,
+            $padlen,
+            chr($padlen - $len)
+        );
+
         $encrypted = openssl_encrypt($message, $cipher, $accessKey, $opts);
 
         return $this->base64_url_encode($encrypted);