From c8bf68ac026d5d9dca28f9d3eb045a712248265c Mon Sep 17 00:00:00 2001
From: terrafrost <terrafrost@php.net>
Date: Sat, 5 Apr 2014 18:07:35 -0500
Subject: [PATCH] ASN1: make it so bit string's can have an optional minimum
 size

---
 phpseclib/File/ASN1.php | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/phpseclib/File/ASN1.php b/phpseclib/File/ASN1.php
index 8627b814..fce33fbd 100644
--- a/phpseclib/File/ASN1.php
+++ b/phpseclib/File/ASN1.php
@@ -972,6 +972,11 @@ class File_ASN1
                         }
                     }
 
+                    if (isset($mapping['min']) && $mapping['min'] >= 1 && $size < $mapping['min'])
+                    {
+                        $size = $mapping['min'] - 1;
+                    }
+
                     $offset = 8 - (($size + 1) & 7);
                     $offset = $offset !== 8 ? $offset : 0;