hello again! so you have a pdf and a signature file, but how do you add the signature to the pdf, do you have any code example for this?
i got as far as creating a X-PKCS7-SIGNATURE (at least i think so :-) but don't know how to apply it to the pdf. regards randolph On Fri, 14 May 2004, Luis Pascual Forner wrote: > Hello Randolph, > > Finally I did it. Peter's help was very useful to > do it. But, at the moment, I don't know how to validate > the state of revocation of the certificate (to validate it > with CRL or with OCSP). > > regards, > > Luis > > DI Randolph Kepplinger escribi�: > > hello! > > > > i saw that you have been posting on the subject digitally signing pdf. > > did you finally succeed and do you have a working example for this? > > > > regards > > > > randolph > > > > On Tue, 2 Mar 2004, [ISO-8859-1] "S?lter, Peter" wrote: > > > > > >>Hi Luis, > >>you need to calculate the signature over the whole PDF (without the > >>contents-data). > >> > >>Therefore it's the best to > >>- fill the contents-field with a placeholder > >>- write out the whole PDF to a ByteArray > >>- calculate the hash-value and signature > >>- replace the /Contents-Data with the new data in the byte array > >> > >>It's useful to do the same procedure (set placeholder-data / write out / > >>replace) > >>with the /ByteRange value, too. > >> > >>Regards, > >> Peter > >> > >>-----Urspr?ngliche Nachricht----- > >>Von: Luis Pascual Forner [mailto:[EMAIL PROTECTED] > >>Gesendet: Montag, 1. M?rz 2004 13:10 > >>An: [EMAIL PROTECTED] > >>Betreff: [iText-questions] How to modify a signature dictionary > >> > >> > >>Hi, > >> > >> I need to modify the "/Contents" field from a signature dictionary after > >>"addToBody" it. How can I do?. > >> > >>thanks in advance, > >> > >> Luis Pascual > >> > >> > >>-- > >>Si su programa de correo le informa de que la firma no > >>es v?lida, se puede deber a que no tiene instalado el certificado de la > >>Autoridad Certificadora (CA). Lo puede obtener en http://www.pki.gva.es. > >> > >> > >> > >>------------------------------------------------------- > >>SF.Net is sponsored by: Speed Start Your Linux Apps Now. > >>Build and deploy apps & Web services for Linux with > >>a free DVD software kit from IBM. Click Now! > >>http://ads.osdn.com/?ad_id56&alloc_id438&op=click > >>_______________________________________________ > >>iText-questions mailing list [EMAIL PROTECTED] > >>https://lists.sourceforge.net/lists/listinfo/itext-questions > >> > >> > >> > >>------------------------------------------------------- > >>SF.Net is sponsored by: Speed Start Your Linux Apps Now. > >>Build and deploy apps & Web services for Linux with > >>a free DVD software kit from IBM. Click Now! > >>http://ads.osdn.com/?ad_id56&alloc_id438&op?k > >>_______________________________________________ > >>iText-questions mailing list > >>[EMAIL PROTECTED] > >>https://lists.sourceforge.net/lists/listinfo/itext-questions > >> > > > > > > > > > > ------------------------------------------------------- > > This SF.Net email is sponsored by: SourceForge.net Broadband > > Sign-up now for SourceForge Broadband and get the fastest > > 6.0/768 connection for only $19.95/mo for the first 3 months! > > http://ads.osdn.com/?ad_id%62&alloc_ida84&op=click > > _______________________________________________ > > iText-questions mailing list > > [EMAIL PROTECTED] > > https://lists.sourceforge.net/lists/listinfo/itext-questions > > > > . > > > > -- > Si su programa de correo le informa de que la firma no > es v�lida, se puede deber a que no tiene instalado el > certificado de la Autoridad Certificadora (CA). > Lo puede obtener en http://www.pki.gva.es. > ------------------------------------------------------- This SF.Net email is sponsored by: SourceForge.net Broadband Sign-up now for SourceForge Broadband and get the fastest 6.0/768 connection for only $19.95/mo for the first 3 months! http://ads.osdn.com/?ad_id%62&alloc_ida84&op=click _______________________________________________ iText-questions mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/itext-questions
