Yes, you would need to modify the source code.

From: Juraj Majer [mailto:juraj.ma...@gmail.com]
Sent: Tuesday, June 22, 2010 9:14 PM
To: Post all your questions about iText here
Subject: Re: [iText-questions] [SPAM] Re: PAdES

Thanks for the answers.

Do you know, if I need to change (extend) IText source code to implement PAdES 
Part 3 and Part 4? Or just use existing IText API (PdfSignature, PdfDictionary 
etc.) in some way like the guy in the sample I already stated: 
http://comments.gmane.org/gmane.comp.java.lib.itext.general/50888. Actually the 
specs for Part 3 and 4 are just less than 20 pages long so it shouldn't be so 
difficult. Problem is as Michael wrote, I didn't find any test tool to check 
the implementation - only Adobe Acrobat for LTV/DSS as Leonard stated and this 
is commercial product - 
http://web.cryptolog.com/web/display/en/Serenity+-+Technical+sheet. If I 
implement anything, I will definitely come back to you.

Thanks!
Juraj.

On 21 June 2010 18:32, Leonard Rosenthol 
<lrose...@adobe.com<mailto:lrose...@adobe.com>> wrote:
LTV/DSS - the new dictionary for storing changed Certs, OCSPs, etc.

Leonard

-----Original Message-----
From: mkl [mailto:m...@wir-sind-cool.org<mailto:m...@wir-sind-cool.org>]
Sent: Monday, June 21, 2010 5:48 PM
To: 
itext-questions@lists.sourceforge.net<mailto:itext-questions@lists.sourceforge.net>
Subject: Re: [iText-questions] [SPAM] Re: PAdES


Leonard,

Leonard Rosenthol-3 wrote:
> Adobe Acrobat/Reader 9.x support all of PAdES part 2 and part of PAdES
> part 4 (LTV/DSS).

Part2 for obvious reasons, but which part of Part4?

Regards,   Michael.
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