Remember that the whole point of having a signature is to DETECT MODIFICATIONS!
So if you are changing the PDF after the fact, you should indeed expect the signature to become invalid. Leonard On Apr 1, 2008, at 3:52 AM, Jose Antonio wrote: > Hi everybody, I'm working with itext 2.0.5 and I hava a problem: I > have a signed pdf and I want to modify this file. The problem is > that if I change this file the signatured becomes invalid. I wonder > if I can create a new revision of this file first using itext and > make all the changes in this new revision. All I've found about > creating new revisions using itext talks about using > stamper.createSignature method. But I don't want to sign the file; > I just want to modify it keeping the signature. > > Thank you > ---------------------------------------------------------------------- > --- > Check out the new SourceForge.net Marketplace. > It's the best place to buy or sell services for > just about anything Open Source. > http://ad.doubleclick.net/clk;164216239;13503038;w?http://sf.net/ > marketplace_______________________________________________ > iText-questions mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/itext-questions > > Do you like iText? > Buy the iText book: http://www.1t3xt.com/docs/book.php > Or leave a tip: https://tipit.to/itexttipjar ------------------------------------------------------------------------- Check out the new SourceForge.net Marketplace. It's the best place to buy or sell services for just about anything Open Source. http://ad.doubleclick.net/clk;164216239;13503038;w?http://sf.net/marketplace _______________________________________________ iText-questions mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/itext-questions Do you like iText? Buy the iText book: http://www.1t3xt.com/docs/book.php Or leave a tip: https://tipit.to/itexttipjar
