In some Java code of different PDF Signatue framework, I saw the use of the "Perms" dictionnary to certify PDF. Do you have any idea if the "Perms" can help to see the blue ribbon?
2016-10-19 10:48 GMT+02:00 Damien Butaye <[email protected]>: > Yes but in my case my certificate has the authorization to certify > document (the cross is green beside the "Certify Document" in your previous > printscreen). > I wonder me if another information must be present in the PDF to show the > blue ribbon?! > > 2016-10-18 17:40 GMT+02:00 Diego Azevedo <[email protected]>: > >> No, but in my case it would never happen, because my certificate is >> trusted for signing, but not certifying: >> >> Image: http://imgur.com/XYZCB8H >> >> []'s >> >> Diego Azevedo >> >> On 18/10/2016 13:30, Damien Butaye wrote: >> >>> One last question, have you got the "blue ribbon" on the top the pdf >>> when you open it with Acrobat? In my case not, although it is well >>> certified as shown in the Acrobat Signature Panel. >>> >>> >>> >>> 2016-10-18 15:58 GMT+02:00 Damien Butaye <[email protected] >>> <mailto:[email protected]>>: >>> >>> Nice! Thank you very much! >>> >>> (Btw, it could be nice to integrate in a future release a method >>> certify() in the PDSignature object). >>> >>> obrigado! >>> >>> 2016-10-18 15:42 GMT+02:00 Diego Azevedo <[email protected] >>> <mailto:[email protected]>>: >>> >>> Hello Damien, >>> >>> I made a typo: >>> >>> dictionary.setItem("Reference", reference_*s*_); // Add >>> Array to Signature dictionary >>> >>> There is no point in creating the array, add the "SigRef" >>> dictionary to it... and not use the array on the "Sig" >>> dictionary. So... just add the 'S' to the variable and re-run >>> it. Just tested here, and it worked fine =) >>> >>> []'s >>> >>> >>> -- *_______________________________________________ >>> >>> Diego Azevedo >>> Developer >>> E-SEC Segurança Digital >>> www.esec.com.br <http://www.esec.com.br> >>> +55 61 3323-4410 <tel:%2B55%2061%203323-4410>* >>> >>> >>> On 18/10/2016 10:21, Damien Butaye wrote: >>> >>>> Hello Diego, >>>> >>>> Thank you for your help. I just tried your code but it seems >>>> that it doesn't work. The result has nor signature nor >>>> certify element. I'll try again. >>>> If you have any idea, don't hesitate ;) >>>> >>>> Damien. >>>> >>>> 2016-10-18 13:04 GMT+02:00 Diego Azevedo >>>> <[email protected] <mailto:[email protected]>>: >>>> >>>> >>>> From what I'm reading on ISO 32000, the certification >>>> Signature is a normal signature, but with a DocMDP >>>> transform method. So the ou should do something like this: >>>> >>>> PDSignature signature = new PDSignature; >>>> [..] //do your thing >>>> COSDictinary dictionary = signature.getCOSObject(); >>>> >>>> //Create a reference dictionary >>>> COSDictionary reference = new COSDictionary(); >>>> reference.setItem("Type", COSName.getPDFName("SigRef")); >>>> reference.setItem("TransformMethod", >>>> COSName.getPDFName("DocMDP")); >>>> reference.setItem("DigestMethod", >>>> COSName.getPDFName("SHA1")); //Only MD5 or SHA1... Go >>>> with the least worse >>>> >>>> //Now we add DocMDP specific stuff >>>> COSDictionary transformParameters = new COSDictionary(); >>>> transformParameters.setItem("Type", >>>> COSName.getPDFName("TransformParams")); >>>> transformParameters.setInteger("P", <1, 2 or 3>); // >>>> 1- no changes permited; 2- fill forms and signing; 3- >>>> Same as 2 plus annotation creation, deletion an >>>> modification. >>>> transformParameters.setItem("V", >>>> COSName.getPDFName("1.2")); // This is right, it's a >>>> name, not a number. >>>> >>>> // Add everything in order >>>> reference.setItem("TransformParams", >>>> transformParameters ); // Add DocMDP stuff to the >>>> SigRef Dictionary; >>>> COSArray references = new COSArray(); >>>> references.add(reference); // Add SigRef Dictionary >>>> to a Array >>>> dictionary.setItem("Reference", reference); // Add >>>> Array to Signature dictionary >>>> >>>> I didn't try it myself, just wrote based on PdfBox API >>>> and ISO specification. May have errors. >>>> >>>> On 18/10/2016 06:12, Damien Butaye wrote: >>>> >>>>> Hello Tilman, >>>>> >>>>> Here follows two links explaining the difference : >>>>> >>>>> >>>>> 1.http://www.investintech.com/ >>>>> resources/articles/certifyingsigningpdf/ >>>>> <http://www.investintech.com/r >>>>> esources/articles/certifyingsigningpdf/> >>>>> 2. >>>>> http://stackoverflow.com/quest >>>>> ions/16710439/how-to-add-blank-page-in-digitally-signed-pdf- >>>>> using-java/16711745#16711745 >>>>> <http://stackoverflow.com/ques >>>>> tions/16710439/how-to-add-blank-page-in-digitally-signed-pdf >>>>> -using-java/16711745#16711745>Damien. >>>>> 2016-10-18 8:49 GMT+02:00 Tilman Hausherr >>>>> <[email protected]> <mailto:[email protected]>: >>>>> >>>>>> Dear all, >>>>>> >>>>>>> I'm looking for a solution to certify a PDF. >>>>>>> Currently I'm able to >>>>>>> sign a >>>>>>> PDF using PDFBox but I can't certify it. Is-it possible >>>>>>> to do it with >>>>>>> PDFBox? >>>>>>> >>>>>>> >>>>>>> Thank you for your help! >>>>>>> >>>>>>> What's the difference? (See my other answer from today) >>>>>> >>>>>> Tilman >>>>>> >>>>>> >>>>>> >>>>>> ------------------------------ >>>>>> --------------------------------------- >>>>>> To unsubscribe, e-mail:users-unsubscribe@pdfbo >>>>>> x.apache.org >>>>>> <mailto:[email protected]> >>>>>> For additional commands, e-mail:[email protected] >>>>>> e.org >>>>>> <mailto:[email protected]> >>>>>> >>>>>> >>>>>> >
