35c35
<     if len(eancode) < 12 or len(eancode) > 13:
---
>     if len(eancode) <> 13:
40,43c40
<     if len(eancode) == 13:
<         eanvalue = eancode
<     else:
<         eanvalue = '0'+eancode
---
>     eanvalue=eancode
61c58
<     if len(eancode) < 12 or len(eancode) > 13:
---
>     if len(eancode) <> 13:
560c557
<         'ean13': fields.char('UPC-A/EAN13 Barcode', size=13, help="International Article Number used for product identification."),
---
>         'ean13': fields.char('EAN13 Barcode', size=13, help="International Article Number used for product identification."),
825,829c822
<         if len(ean) == 13:
<             eanc = ean
<         else:
<             eanc = '0'+ean
<         for ean_part, salt_part in zip(eanc, salt):
---
>         for ean_part, salt_part in zip(ean, salt):