Config file modified and added detailed description of number_of_digits key. Redme updated.

Author: imrealashu

README.md

@@ -12,6 +12,8 @@ Two Factor Authentication is an extra security layer for your application. Two F
   - Laravel >= 5.3
   - Google Authenticator [Android](https://play.google.com/store/apps/details?id=com.google.android.apps.authenticator2&hl=en) - [iOS](https://itunes.apple.com/in/app/google-authenticator/id388497605?mt=8) (Recommended) or [Authy](https://www.authy.com/) mobile app
 
+Note: Current implementation is buggy using Authy as Google Authenticator uses SHA-1 with 128-bit keys whereas Authy uses SHA-2 with 256-bit keys. SHA-2 with 256-bit key is coming in verion `0.1.0`.
+
 ## Installation
 **1. Composer Install**
 

config/2fa-config.php

@@ -24,10 +24,13 @@
     'digest_algorithm' => 'sha1',
 
     /*
-     * Number of digits can be max 30
-     * To Support Google Authenticator
+     * Size of Base32 encoded secret key.
+     * Default 10.
+     * Note. Keeping Secret key in multiple of
+     * 5 would result secret key not padded
+     * with equal to symbols.
      */
-    'number_of_digits' => 8,
+    'number_of_digits' => 10,
 
     /*
      * Explitcitly Define Table name for the model.