On 31.08.2007, at 11:01, Paulo Soares wrote:
> You don't need iText for that but you must add the signature in
> append mode.
> Extract the original PDF by starting at the end and looking for the
> second
> "%%EOF".
Yes. Thanks - this is the answer I needed. I'll shape my experiment
into a
r questions about iText here"
Sent: Friday, August 31, 2007 8:33 AM
Subject: Re: [iText-questions] Embedding external signatures inside PDF
files
> OK, maybe I did stress the payload embedding part whereas the
> operation I don't know how to do is:
>
> Given a PDF file, whe
This is a question:
Martin Paljak wrote:
> Given a PDF file, when I add a signature to that PDF file with iText
> and save it, is it possible to open the saved PDF file and revert all
> modifications done to the file when adding the signature?
As far as I understand, this is the answer to thi
TED]>
> To: "Post all your questions about iText here"
>
> Sent: Tuesday, August 28, 2007 2:07 PM
> Subject: Re: [iText-questions] Embedding external signatures inside
> PDF
> files
>
>
>>
>> On 28.08.2007, at 15:53, Paulo Soares wrote:
>>
>>&
On 28.08.2007, at 17:29, Leonard Rosenthol wrote:
> So why not simply write a Digital Signature Handler plugin for
> Acrobat/Reader? That's what they are for...
Because there might be a chance I could do this with pipeline (take
some data -> put it into a PDF as a fake signature -> extract t
a signature with itext tools and get the 13072 PDF file I
originally opened with itext and into what I embedded my stuff.
>
> Paulo
>
> - Original Message -
> From: "Martin Paljak" <[EMAIL PROTECTED]>
> To: "Post all your questions about iText here"
>
So why not simply write a Digital Signature Handler plugin for
Acrobat/Reader? That's what they are for...
Leonard
On Aug 28, 2007, at 3:07 PM, Martin Paljak wrote:
>
> On 28.08.2007, at 15:53, Paulo Soares wrote:
>
>> Each time a signature is applied new ids are created. Signing the
>> same
AIL PROTECTED]>
To: "Post all your questions about iText here"
Sent: Tuesday, August 28, 2007 2:07 PM
Subject: Re: [iText-questions] Embedding external signatures inside PDF
files
>
> On 28.08.2007, at 15:53, Paulo Soares wrote:
>
>> Each time a signature is applie
On 28.08.2007, at 15:53, Paulo Soares wrote:
> Each time a signature is applied new ids are created. Signing the
> same PDF
> twice will never have the same hash.
That's not a requirement. The only requirement is to have a single
PDF and a single signature that should be verifiable only with
Each time a signature is applied new ids are created. Signing the same PDF
twice will never have the same hash.
Paulo
- Original Message -
From: "Martin Paljak" <[EMAIL PROTECTED]>
To:
Sent: Tuesday, August 28, 2007 1:26 PM
Subject: [iText-questions] Embedding external signatures insid
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