The byte range excludes the signature itself. It's also possible to define other exclusions as it's done in http://itextpdf.sourceforge.net/howtosign.html#signextdic.
> -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On > Behalf Of Tiago Epifanio > Sent: Friday, May 20, 2005 12:17 PM > To: [email protected] > Subject: [iText-questions] PDF Signatures and ByteRange > > Hi. > I've been using iText to sign PDF files. I've learned how to > do that with > the help of the examples in > http://itextpdf.sourceforge.net/howtosign.html. > > My problem is: I need the signature to be calculated from the > bytes of the > original file only. When using the examples in the site > above, the signature > is calculated from the original file plus the bytes of the signature > dictionary. I don't want to include the signature dictionary in the > calculation of the digest and signature. So, what I need is a > way to set the > ByteRange field to the number bytes in the original file. > > Any ideas on how to do this? Is it possible? From what I've > read in the PDF > Reference, I think it is. I just need some help on how to do > it using iText. > > Thanks in advance. > > -- > Tiago Epifânio > LEIC @ Insituto Superior Técnico > > _________________________________________________________________ > Express yourself instantly with MSN Messenger! Download today > - it's FREE! > http://messenger.msn.click-url.com/go/onm00200471ave/direct/01/ > > > > ------------------------------------------------------- > This SF.Net email is sponsored by Oracle Space Sweepstakes > Want to be the first software developer in space? > Enter now for the Oracle Space Sweepstakes! > http://ads.osdn.com/?ad_id=7412&alloc_id=16344&op=click > _______________________________________________ > iText-questions mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/itext-questions > ------------------------------------------------------- This SF.Net email is sponsored by Oracle Space Sweepstakes Want to be the first software developer in space? Enter now for the Oracle Space Sweepstakes! http://ads.osdn.com/?ad_idt12&alloc_id344&op=click _______________________________________________ iText-questions mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/itext-questions
