From 68b5e8673ad55421d0a7c8fbfafe65fefade1eff Mon Sep 17 00:00:00 2001
From: hploetz <hploetz@f711b948-2313-0410-aaa9-d29f33439f0b>
Date: Sun, 26 Nov 2006 05:16:23 +0000
Subject: [PATCH] small bug regarding filler bytes

git-svn-id: svn+ssh://localhost/home/henryk/svn/cyberflex-shell/trunk@149 f711b948-2313-0410-aaa9-d29f33439f0b
---
 cards/tcos_card.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cards/tcos_card.py b/cards/tcos_card.py
index 9bddf10..35c2fd8 100644
--- a/cards/tcos_card.py
+++ b/cards/tcos_card.py
@@ -196,7 +196,7 @@ class TCOS_Security_Environment(object):
                 value_ = TLV_utils.pack( (data, ), recalculate_length=True )
                 
                 block.append( value_ )
-            elif tag in (0xff, 0x00):
+            elif tag in (0xff, 0x00) and len(block) > 0:
                 block.append( chr(tag) )
             else:
                 if len(block) > 0: