You can’t prevent “copy on save” - that’s a feature of browsers (and other UA’s for the web).
Why do you care about the hash? Why does it matter if the file is different? Leonard On 4/24/15, 4:49 AM, "AndreaC." <andrea.c...@gmail.com> wrote: >Hi all, >This is my scenarios: >- an user download a PDF file created by Jasper Report from system >- the user chose to open the PDF file with the reader instead of download it >before, >- the browser download it on the user temporary directory >- when the user try to save this opened PDF to an other directory a copy of >the original file was created > >that is wrong on my scenario because system had recorded the HASH of the >original PDF document on downloading > >To prevent this PDF-copy creation on save I adopt this workaround: > ><pd4ml:permissions password="empty" strongEncryption="false" >rights="34820"/> > >Now I have a new requirement, the user should be able to sign this PDF. >Unfortunately the document so created is unmodifiable and all other tried >rights configurations except then rights="34820" lose the >prevent-PDF-copy-on-save feature. > >My question is: >exists some kind of rights configuration that maintains the >prevent-PDF-copy-on-save feature but permit to sign the PDF document? > >Thanks in advance, >Andrea > > > >-- >View this message in context: >http://itext.2136553.n4.nabble.com/sign-a-prtected-PDF-tp4660802.html >Sent from the iText mailing list archive at Nabble.com. > >------------------------------------------------------------------------------ >One dashboard for servers and applications across Physical-Virtual-Cloud >Widest out-of-the-box monitoring support with 50+ applications >Performance metrics, stats and reports that give you Actionable Insights >Deep dive visibility with transaction tracing using APM Insight. >http://ad.doubleclick.net/ddm/clk/290420510;117567292;y >_______________________________________________ >iText-questions mailing list >iText-questions@lists.sourceforge.net >https://lists.sourceforge.net/lists/listinfo/itext-questions > >iText(R) is a registered trademark of 1T3XT BVBA. >Many questions posted to this list can (and will) be answered with a reference >to the iText book: http://www.itextpdf.com/book/ >Please check the keywords list before you ask for examples: >http://itextpdf.com/themes/keywords.php ------------------------------------------------------------------------------ One dashboard for servers and applications across Physical-Virtual-Cloud Widest out-of-the-box monitoring support with 50+ applications Performance metrics, stats and reports that give you Actionable Insights Deep dive visibility with transaction tracing using APM Insight. http://ad.doubleclick.net/ddm/clk/290420510;117567292;y _______________________________________________ iText-questions mailing list iText-questions@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/itext-questions iText(R) is a registered trademark of 1T3XT BVBA. Many questions posted to this list can (and will) be answered with a reference to the iText book: http://www.itextpdf.com/book/ Please check the keywords list before you ask for examples: http://itextpdf.com/themes/keywords.php