Hi Thomas,

maybe my feedback was not clear - it’s clear that this is in the spec. But in 
the PDFBox sources I couldn’t find this limitation. 

BR
Maruan Sahyoun

Am 25.03.2014 um 12:32 schrieb Thomas Chojecki <[email protected]>:

> Hi Maruan,
> I also take a closer look and find the following part in the PDF32000_2008 
> Spec
> 
> 12.8.1 -> Table 252 on page 467
> Type  name    (Optional) The type of PDF object that this dictionary 
> describes; if present, shall be Sig for a signature dictionary.
> 
> @ Nicolas
> I think this need to be fixed in future versions. Can you please create a 
> JIRA Issue [1]?
> 
> Best regards
> Thomas
> 
> [1] https://issues.apache.org/jira/browse/PDFBOX
> 
> 
> Am 2014-03-25 12:13, schrieb Maruan Sahyoun:
>> Hi,
>> I did a very quick scan of the sources and couldn’t find this
>> limitation - I might be wrong though. Could you let us know how you
>> came to that conclusion e.g. where in the sources did you find that?
>> Which version of PDFBox are you referring to? Would you have a sample
>> PDF to validate that?
>> BR
>> Maruan Sahyoun
>> Am 25.03.2014 um 11:48 schrieb Nicolas Kaczmarski
>> <[email protected]>:
>>> Hello,
>>> We have a signed PDF but signature is described without key "Sig".
>>> As you can see in the standard PDF 32000-1:2008 - Table 252 - Entries in a 
>>> signature dictionary, this key is optional :
>>> "(Optional) The type of PDF object that this dictionary describes; if 
>>> present, shall be Sig for a signature dictionary. "
>>> But PDFBox seems to limit its research of signature only if this key "Sig" 
>>> is present.
>>> What is your position about that?
>>> Regards,
>>> Nicolas.

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