That's a different question. Create the PdfReader with the open password and use it with a PdfStamper that is not open in append mode. You can reapply the encryption setting in PdfStamper.
> -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On > Behalf Of Wahaj > Sent: Tuesday, December 21, 2004 6:44 AM > To: Paulo Soares; [EMAIL PROTECTED] > Subject: Re: [iText-questions] Signing a pdf document which > is originally encrypted > > Well my original question was whether we can sign a pdf > document which is > not signed but encrypted which is not possible using iText. > > My next question is can it be possible to remove the password > based security > from a pdf document using iText ?. If its possible then we > can first remove > the password based security from pdf using iText then sign > and then again > apply the security again. > > Note: Yes in acrobat if a document is signed & encrypted, we > can't sign it > again but if a document is only encrypted then we can remove > the encryption, > apply signatures and then encrypt the pdf document. > > Regards, > Wahaj > ----- Original Message ----- > From: "Paulo Soares" <[EMAIL PROTECTED]> > To: "Leonard Rosenthol" <[EMAIL PROTECTED]>; "Wahaj" > <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]> > Sent: Monday, December 20, 2004 9:01 PM > Subject: RE: [iText-questions] Signing a pdf document which > is originally > encrypted > > > > The question here was how to append another signature to an already > > signed and encrypted document. I can't do it in Acrobat so, > I suppose > > that it's not to be done. > > > > Best Regards, > > Paulo Soares > > > > > -----Original Message----- > > > From: Leonard Rosenthol [mailto:[EMAIL PROTECTED] > > > Sent: Monday, December 20, 2004 3:48 PM > > > To: Wahaj; Paulo Soares; [EMAIL PROTECTED] > > > Subject: Re: [iText-questions] Signing a pdf document which > > > is originally encrypted > > > > > > At 10:19 AM 12/20/2004, Wahaj wrote: > > > >Ok then what is the purpose of the provided password > > > (whether owner's or > > > >user's) in the PDFReader constructor > > > > > > In order to allow you to read a document that has been > > > encrypted. For example, to retrieve metadata. > > > > > > > > > >if we can't sign a pdf document. > > > > > > Modifications on encrypted document, esp. something > > > as complex as > > > signing, requires a LOT more internal mechanics inside of > iText than > > > currently exist. In addition, there are a variety of legal and > > > philosophical issues involved when done as TWO processes. > > > > > > Normally, you'd want to have encrypted and signing > > > done at the > > > same time by the same tool. > > > > > > So if you know the passwords to the documents (and > > > you would have > > > to do make this useful anyway) - just decrypt them all > and then rerun > > > through iText for both crypt and sign. > > > > > > > > > Leonard > > > > > > -------------------------------------------------------------- > > > ------------- > > > Leonard Rosenthol > > > <mailto:[EMAIL PROTECTED]> > > > Chief Technical Officer > <http://www.pdfsages.com> > > > PDF Sages, Inc. 215-938-7080 (voice) > > > 215-938-0880 (fax) > > > > > > > > > > > > ------------------------------------------------------- > SF email is sponsored by - The IT Product Guide > Read honest & candid reviews on hundreds of IT Products from > real users. > Discover which products truly live up to the hype. Start reading now. > http://productguide.itmanagersjournal.com/ > _______________________________________________ > iText-questions mailing list > [EMAIL PROTECTED] > https://lists.sourceforge.net/lists/listinfo/itext-questions > ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://productguide.itmanagersjournal.com/ _______________________________________________ iText-questions mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/itext-questions
